TO BUILD Publication - Issue 5

Issue 5 • March 2012

To Build HandbookIssue 5 • M

arch 2012

issue 5

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FORE

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Dissue 5

www.mediaxpose.co.za2

TO BUILD | ISSUE 5

Now that the holidays, that threw our work environments into disarray, are behind us, it is with great excitement that we bring you issue 5 of TO BUILD, the first issue to boast the ABC certification of the handbook.

TO BUILD is officially ABC certified as from this issue and, therefore, we guarantee our advertisers peace of mind with regards to circulation and circulation figures.

The year has started off very well and we are looking forward to keep it that way. We would, once again, like to thank all our advertisers and editorial contributors for their constant support and interest in TO BUILD.

We are looking forward to seeing all our advertisers on board our next issue, which is due out in July 2012, and which will also be distributed at Decorex Johannesburg in August 2012.

We trust that you will enjoy reading this issue of TO BUILD.

Warm Regards

Elroy

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TO BUILD | ISSUE 5

Issue 5 • March 2012

To Build HandbookIssue 5 • M

arch 2012

issue 5

PUBLISHERS

MEDIA XPOSEExcellence in exposure

Shaun MaysElroy van HeerdenCell: +27 72 365 [email protected]

Tel: +27 21 433 1349 / 2309Fax: +27 86 516 7277PO Box 27337, Rhine Road, 8050

EDITORPeter MullerCell: +27 76 155 [email protected]

SUB-EDITORMelinda [email protected]

EDITORIAL CONTRIBUTORSNonhlanhla MashegoRethabile MogakiDavid BeerStephanie ForbesLisa TaylorFred WagenaarBina Morar

DESIGN & LAYOUTCDC DesignTel: +27 21 704 [email protected]

ADVERTISINGRene van [email protected] [email protected]

CONTENT CO-ORDINATORMelanie TaylorTel: +27 21 433 1349 / 2309Fax: +27 21 433 [email protected]

ACCOUNTSShaun MaysTel: +27 21 434 5222 [email protected]

PRINTED BY Tandym Printwww.tandym.co.za

Disclaimer: The views expressed in this publication are not necessarily those of the publisher or its agents. While every effort has been made to ensure the accuracy of the information published, the publisher does not accept responsibility for any error or omission contained herein. Consequently, no person connected with the publication of this journal will be liable for any loss or damage sustained by any reader as a result of action following statements or opinions expressed herein. The publisher will give consideration to all material submitted, but does not take responsibility for damage or its safe return.

issue 5

COVER ART:

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www.mediaxpose.co.za

CONTENTS

6TO BUILD | ISSUE 5

Foreword 2Editor’s Note 8News & Reviews 10Interview: Rudolf Opperman 16Project Focus: Jabulani Theatre 20Out & About 174Student Work: BHC School of Design 178Listing: Architects 182Listing: Interior Designers 183Listing: Building Contractors 184Advertisers Index 187

DivisionsARCHiTECTs 23inTERioR & EXTERioR DÉCoR & DEsiGn 31LAnDsCAPE ARCHiTECTs 35EnGinEERs 41RooFs 47FLooRs 53WALLs 59WinDoWs & DooRs 65CEiLinG & PARTiTions 71HoME AUToMATion 75ELECTRiCAL, LiGHTinG & AiR ConDiTioninG 79BLinDs, sHUTTERs & AWninGs 87FiRE PLACEs AnD BRAAis 91KiTCHEns & ACCEssoRiEs 95TiMBER DECKinG 101BATHRooMs & ACCEssoRiEs 111MARBLE & GRAniTE 115PAinT & DECoRATivE CoATinGs 121sECURiTY 127FURniTURE 131ConsTRUCTion & ConTRACToRs 135BRiCKs AnD PAvinG 141CEMEnT & ConCRETE 147GREEn BUiLDinG 153CoRPoRATE PRoFiLEs 163

issue 5FEATUREs

Inside Outside Spaces 32

A Mommy’s Approach to Going Green 37

Mother [Nature] knows best 43

Roofs and the Environment 50

A nostalgic look at cow dung floors 55

Vinyl Industry commits to Product Stewardship Programme 57

Vertical Gardens – Evolution of the wall creeper 62

Making your building more energy efficient 67

Lafarge commitment to sustainability extended to transportation 73

Can building automation affect sustainability? 77

Appliances, you and your kitchen 97

Timber Floors 103

Laminated beams for structural applications 105

Getting back to nature 113

An early understanding of colour is essential to design 123

Recycling furniture & antiques 133

CMA adopts fresh approach to awards for excellence 144

Free user-friendly, architect-designed, subsidy-housing building plans 149

Benefits of Sustainable Design: Environment 156

NHBRC 164

ArcelorMittal 168

06-08_ContentsEd'sNote2.indd 6 3/19/12 10:15:01 PM

Design.

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Editor’s NotE

8TO BUILD | ISSUE 5 www.mediaxpose.co.za

More and more developments are implementing sustainable design interventions. It is, however, concerning that the majority of these are through legislation or client interventions, rather than based on guidance from built environment professionals.

A colleague who serves with me on a SABS sub-committee, made a profound statement a while ago. Even though this statement was refering to the building regulations, it is as applicable to sustainable design, as it is to building regulations.

I paraphrase, “Good design will comply with the regulations!” This statement is profound as it implies that, if you are a good designer and do a good design, you will take into consideration all the design elements, ensuring safety, accessibility, waterproofing, and all other items that would make a good building. Therefore, not requiring one to consider the specific requirements of regulations and guides, to measure your design against.

Similarly, if you create a good design, you would not need to consider whether or not your design is sustainable. It would be automatically sustainable as you would have already considered location, climatic conditions, materials, indoor environmental quality, and all the other areas considered to contribute to sustainable design as part of your design process.

With this in mind, we have to accept that not all clients and all budgets are looking for, or can afford, good design at this time. To this effect, we interviewed the National Regulator and asked some pertinent questions. I trust this issue will provide some further insight into the environmental benefits of sustainable design, as well as some answers on the tough questions regarding the building regulations.

Good design is not a set of tick boxes. Good design is just that, good design!

Peter MullerEditor

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News & Reviews

A MEGA COLLABORATION PROJECT – BUILDING CONSTRUCTION STANDARDS BOOKAfter several years of research and preparation, more than twenty reputable

academia and professionals from various universities and institutions have

contributed toward the much-needed and long-awaited Building Construction

Standards book.

A fundamental resource for practicing architectural, engineering, and

construction professionals as well as students, Architective interprets the

unique blend of South African architecture, interior architecture, and building

construction methodologies through visual language.

Due for release later this year “Architective - Building Construction Standards

for South Africa” promises to be the number one reference manual on every

one’s desk.

NCS COLOUR TRENDS 2012NCS teamed up with Global Colour Research and Mix Publications to compile NCS

Insight – showcasing 30 of the most important colours for 2012. The 2012 colours

represent a level of respect and sincerity. They include a strong coverage of red and

pink, developing into sumptuous browns, and range of golden yellows. Green remains

dominant colour in the palette, with a range of crisp shades and some more nautical

accents blurring into a range of blues and soothing lighter hues. Darker, smoky purples

and blues reflect a more mature feeling contrasting well with the dusty grey scale tones

in the palette.

A small fan consisting of 30 colours is available at R300.00 – all proceeds of the

sale will go to the Animal Anti-Cruelty League. If you want a copy of the new

trend selection, or just want to know what colours are included, contact Lisa Taylor:

e-mail: [email protected], Tel: 0114863190, www.ncscolour.co.za

MORE DETAILS ON PAGE 177

BUILDINGSAREVIEW ANNUAL ARCHITECTURAL RESOURCE HANDBOOK

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11ISSUE 5 | TO BUILD www.mediaxpose.co.za

News & Reviews

PERSPEX ENTERS THE GLAZING MARKET IN A BIG WAYPerspex South Africa has long been associated

with premium cast acrylic Perspex sheeting,

and has recently acquired the exclusive rights to

market and distribute the Polygal brand of multiwall

polycarbonate. This product is an ideal roofing,

cladding and glazing solution for the construction

industry, and is becoming more relevant in line with

the SANS 10400 regulations, based on its energy

efficient properties. To illustrate this point, a 10mm

thick standard profile Polygal sheet has a superior

U Value when compared to double glazing, and

is fraction of the cost, and it has vastly superior U

Values to all its rival sheeting materials.

Furthermore, due to the lightweight, yet virtually

unbreakable, nature of the product, the cost of

installation and reduced structural steel load bearing

requirement offers significant cost savings. Perspex

South Africa will be carrying stock of all the fast

moving Polygal products and accessories, including

sheet connectors, edge profiles and sealing tapes.

For more information, or to arrange a presentation on

the solutions offered, please contact Kyle Watkins,

Business Manager at Perspex South Africa on 082

370 9899 or [email protected].

ENERGY EFFICIENCY IN BULDINGSThe Drawing Studio has developed an Energy Efficiency in Buildings: Supplemental

Guide to SANS 10400-XA & SANS 204, in light of the recent promulgation of

the Energy Efficiency Regulations and related SANS. The Supplemental Guide is

intended to assist Architectural Professionals with the calculations contained in SANS

10400-XA & SANS 204. For more information visit http://www.arcdirectory.co.za/

drawing_studio_download.html or contact the Drawing Studio on tel 031-764 2401

or email [email protected]

BOOK NOW AND PAY IN 2013For further Information please contact Shaun on:021-433 1349 / 072 365 [email protected]

MORE DETAILS ON PAGE 177

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News & ReviewsGREEN BUILDING COUNCIL SOUTH AFRICA WITHDRAWS PVC MINIMISATION CREDITIn response to a query from To Build, Brian Wilkinson, CEO of GBCSA, confirmed after

an extensive review, that, the Mat-7 PVC Minimisation credit is being withdrawn from the

Green Star SA rating system. They indicated the process to be as follows:

The Mat-7 PVC Minimisation credit would be omitted from the Green Star SA rating

system in the following manner;

• NEW TOOLS: The credit is to be deleted from the Green Star SA – Multi Unit

Residential Version 1 and Green Star SA – Public Assembly & Education Version 1 rating

tools, AND all future tools to be developed by the GBCSA;

AND

• EXISTING TOOLS: The credit is to be retained in the Green Star SA – Office v1 and

Green Star SA – Retail Centre v1 rating tools UNTIL SUCH TIME as they are updated and

released as Version 2. The GBCSA does not have a fixed date for the launch of either tool

in Version 2; however it is anticipated, that for the Green Star SA – Office rating tool, this

will be in the next two years. If a project is registered for a Green Star SA – Office Version

1 certification, the Mat-7 credit is available to target as per the current technical manual.

Due to the structure of the Green Star SA rating system, and to ensure past certified

projects are not disadvantaged, it is not possible to remove the Mat-7 PVC Minimisation

credit from existing tools until they are upgraded to Version 2.

“In late 2011 the Green Building Council of South Africa (GBCSA) completed a

comprehensive credit review process for the Mat-7 PVC Minimisation credit which is one

out of 69 total credits in the Green Star SA green building rating system. The GBCSA

Technical Steering Committee (TSC) resolved to withdraw the credit after considering the

outcomes of the credit review which involved stakeholder engagement through a PVC

Expert Reference Panel and precedents set by other green building councils surrounding

the treatment of PVC in green building rating tools. The withdrawal of the PVC Minimisation

credit does not imply that PVC is or is not a “green” building material, nor that the GBCSA

has endorsed, or given “the green light” to PVC. Statements implying that the GBCSA has

endorsed a material by its exclusion from the Green Star SA rating system are inaccurate

and considered misleading.” comments Brian Wilkinson, CEO of GBCSA.

For further information contact the Green Building Council of South Africa,

www.gbcsa.org.za. Also see the SAVA article on page 57 of this issue of To Build.

RETIREMENT VILLAGE REPLACES ASPHALT WITH CONCRETE BLOCK PAVINGLoraine Williamson, a resident of St Michaels Retirement Village in Weltevreden Park,

Johannesburg, gives the thumbs up, from her motorised shoprider, for the concrete block

paving (CBP) recently installed on some of the village’s roads and

parking areas. She says it’s a much better surface to ride on than

the old tarred roads which were cracking-up and pothole prone.

Other residents agree, and say that the paving provides a much

safer surface both for walking and for wheelchairs.

Over 4 000m² of CBP was laid in two phases, the first having

been completed in 2009 and the second in September 2011. The

project used 60mm multi-blend interlocking pavers, supplied by

Cast Industries and Aveng Manufacturing Infraset, and was laid by

Mondo Paving and Retaining Walls – all members of the Concrete

Manufacturers Association (CMA).

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News & ReviewsFI

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DT

HIR

DEVOLO 2012 WINNERS ANNOUNCED:For more information on the winners or the Evolo competition, visit http://www.evolo.us/category/2012/

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IntervIew


The new National Building Regulations affect you!As editor of to BuIld, I recently had a long discussion with rudolf opperman, technical Advisor from the national regulator for Compulsory Specifications (nrCS). our discussions both confirmed what many already realise, as far as the new regulations are concerned, and will be an eye opener for the rest in the built environment. A lot of the discussions were focused on SAnS 10400 XA, as the focus of this issue of to BuIld is on sustainability and its environmental benefits, but we did cover various other parts where questions are still being asked in the industry. we bring you the general discussions in interview format as the information is pertinent to the industry. we also include some extracts from letters issued by the nrCS in recent times for reference.

ED: The new National Building Regulations’ deemed to satisfy functional requirements (SANS 10400

series) came into effect over the last year or two. In a letter issued by your offices, you indicated the

dates on which each of the SANS 10400 parts came into effect. These dates were the deadlines

by which consultants could apply to their local council to have their design assessed under the old

SABS 0400 requirements.

With the exception of part XA, all these deadlines have passed. Part XA was given a two month

period by the minister, does the six months, as allowed for by legislation, apply to part XA, or was

the two month period that grace period?

RO: The National Building Regulations were rewritten and published by the Minister in 2008. Traditionally,

the regulations and the standards were published at the same time. The old SABS 0400 had the regulations

printed on a blue background and the standard on a white background, but published simultaneously.

In 2007, a decision was taken to separate these two parts. This means that the regulations will now be

published and regulated separately, while the standards will be published and managed independently.

The regulations were promulgated and published in 2008, and effectively came into effect on that date.

The SANS 10400 series was also announced at that stage, but one of the professional institutions made

objections to it. But instead of objecting to the regulations, which are law, they did so to the standards, which

caused the standards to grind to a halt. This meant that the regulations were in place and applicable and, for

the first time, we were in a position where we had regulations without deemed to satisfy rules.

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INTERVIEW


The saving grace was that the regulator announced a name change, from the SABS 0400 document to the

SANS 10400 series. This meant that there was a set of half measure deemed to satisfy rules in place, which

came from the old SABS 0400 document, with which we could carry on, but this was not ideal. This led to a

process whereby all the relevant SANS 10400 documents were developed and published. This also meant

that each document was published on a different date, for example SANS 10400 part S, was published in

2011, and this works.

There are still three parts, which have not been published. Part B – Structure, Part H – Foundations and Part

R – Stormwater. Those three parts have not been published for the simple reason that, during this period,

the Minister of Agriculture and Land Affairs announced that geology must form part of the National Building

Regulations, and it will fall under part B. As part B, which deals with structure, is closely linked to part H and

part R, as storm water is dangerous when it comes to dolomite land, they were also held back. This means

that dolomite land falls under the control of the National Building Regulations now.

The standards for dolomite land, the SANS 1936 series, were not fi nished until December 2011. They are

now being incorporated into part B of SANS 10400 and then it will have a domino effect on the other parts.

The sub-committees indicated that the last three parts will be published within the next 3 months. This

should clarify the process up until now.

|

Extract from letter addressed to all professionals

18

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INTERVIEW


Even though the regulations came into effect, there is a six month grace period, but because there were no

changes to the deemed to satisfy rules, the grace period was not necessary. When the publication of the

SANS 10400 series of documents began, in December 2010, they immediately came into effect, because

the regulations had already been in effect for some time. Effectively, no grace period was applicable. The

only time the grace period came into effect again, was with the publication of part X.

Regulation X, when it was published, as detailed in Part A clause A2.6(c) became applicable. This means

that, with the publication of Part X, which included part XA, published on 9 September 2011, even though it

was already announced by the minister in 2010, asking for public comments, he further indicated that this

regulation would come into effect within 2 months. The publication date was 9 September 2011, but the

effective date was only 11 November 2011.

26

Extract from Government Gazette with publication of part XA

As soon as the regulation was published, on 9 September 2011, the industry has been warned, and they

could use Part A clause A2.6(c), which states that, if you are busy with a design, and the regulations change,

there should be a way to ask to be assessed under the old regulations, as it is impossible to change the

design at a late stage to comply with the new regulations. Accordingly, you must inform the local authority of

this, including a copy of your letter of appointment indicating the date on which the project commenced. This

should state that you had been appointed before 9 September 2011, that you request exemption from the

new regulations, and that your project should be assessed under the old regulations.

They can then scrutinise your plans under the old regulations, if applied for within that period of six months

from the time the act came into effect. After the six month grace period expires, you must comply. This

provided, effectively, an eight month period to complete the work and submit the relevant documentation.

The fact that many are only realising this now, is problematic, as you cannot go to the local authority and

say, after it came into effect, that you did not know about it and want to apply under the grace period. This is

not an excuse. You had to be appointed before the proclamation date in September.

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Project Focus


Soweto is one of the areas where more and more developments are taking place. The City of Johannesburg

has earmarked various developments in order to develop a cultural hub within the area around Jabulani

Mall. One of these developments is the Jabulani Theatre, a colourful montage of shapes and forms, creating

one of the most exciting buildings to be erected in Egoli in recent years.

The site, situated next to the historic Jabulani

amphitheatre, was earmarked for this development.

Through a tender process, Afritects, a local architect

firm, was appointed, based on their daring design for

the development of the building complex. The building,

with its large glass entrance, two swooping fortress wing

walls, and three individually coloured boxes, creates an

excitement achieved by very few other buildings.

Jabulani Theatre – Colourful expression in the heart of Soweto

020-022.indd 20 3/19/12 6:01:38 PM

Project Focus


As you approach the building, the curved wing walls are overwhelming, until you get a glimpse of the large

glazed facade, with the expansive tensile structure entrance canopy. This provides an “entrance in the park”,

as it faces onto the historic Jabulani amphitheatre, connecting history with the new developments in Soweto.

The paved outside lobby, with traditional patterning incorporated in the paving, under the tensile structure,

serves as a gathering place before a performance, as well as a venue for impromptu performances while

patrons gather for an event.

The two wing walls, with their finish of segmented sheeting, open up around the entrance, similar to two welcoming

arms. Its finish and curvature makes you look past the welcoming feeling it creates, but rather makes you wonder

what the architects were thinking, and even more, how they planned to achieve this. It was achieved through a

new construction technology, which also assisted with the programme and the training and use of local labour.

The walls are constructed through a sandwich construction method, with an insulated core, double sheet metal

exterior finish, and a plastered interior. The wing walls house the administration offices, public bathroom facilities,

the main stairs and VIP lounge. The latter, with its slanted walls, will surely spark a lot of discussion, especially

when trying to lean against a wall that isn’t quite there.

One of the concerns was that the building might be used as a canvas for graffiti. The approach adopted by the

architects, to alleviate this concern, was to provide another use for the portion of the building that would usually

be affected by graffiti. They turned the lower parts of the two wing walls into a curved area that can be used for

skateboarding. This does not remove the possibility of graffiti, but rather adds to the character of the building.

020-022.indd 21 3/19/12 6:01:51 PM

Project Focus


Housed behind the entrance, and between the two wing walls, lies the heart of the building, the theatre

complex. Consisting of three theatres, each finished in its own unique colour. The main theatre houses a

full stage, tiered seating for 420 patrons and a sound pit; it is finished in red and is the biggest of all three. A

Black box theatre with a capacity of 180, is finished externally in blue. The smallest of the three theatres is

finished in yellow, with a capacity of 90.

Each of these three colour finishes is achieved through a combination of 2 shades of each colour, and a

combination of matt and gloss finishes, creating a quasi-moiré pattern. To further emphasise the theatres,

an effect of ‘floating boxes’ is created, through the use of an illuminated glass floor around them on ground

level, while a glass strip separates the structure from the boxes at the upper levels.

What makes the design of this building exceptional is that all three theatres are served by a single, centrally

located, backstage area. This consists of communal dressing rooms, dedicated dressing rooms, storage

areas for costumes and decor, as well as various other utility rooms.

The result is an exciting building, using new finishes and new construction methods, which forms part of a

new cultural hub in Soweto. The theatre will form part of the Jabulani Business Node, which will be focused

on a zone of public space called the Cultural Heart. It will include the refurbished Jabulani Amphitheatre,

parks, public art and other public amenities.

Design: afritectsDesign Team: Clara d. C. Almeida, Tatenda Mavunga, Sergio DuarteArchitects: afritects

020-022.indd 22 3/19/12 6:02:04 PM

Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects Architects

Louise WiLeman architects ...................................................................24

ama architects .............................................................................................25

sharp shop architects ...................................................................28 & 29

architects

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INTERVIEW


Another thing that is concerning, is that people say that they will have to fi nish construction of the building

in eight months from the date the regulation came into power, this is rubbish. The act clearly states that you

must get your plans approved in that period, and that you must start construction within a year from the date

of approval. This is another part of the act, and has nothing to do with this piece of the regulations. Your

building does not need to be complete, you just need to commence with construction within a year. If you

don’t, the possibility exists that other legislation could come into effect, which could make the building illegal.

That is why you should commence with construction.

TO BUILD | ISSUE 5 www.mediaxpose.co.za

Extract from letter addressed to all professionals

18

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INTERVIEW


ED: As far as existing buildings, and their compliance with part S and part T of the new regulations,

are concerned, from a wholistic point of view, if you do alterations and additions to an existing

building, in part A clause A18(b)(2), it is stated that when alterations cause any existing escape route

to be less effective, all the escape routes need to be altered. Where is the line of responsibility drawn

when it comes to the application of the new regulations, especially relating to fi re regulations and

access for disabled persons regulations?

RO: This is a sticky problem, which has always existed. Not only with part XA, but when the fi rst part S

came into effect years ago, the question was raised, when you do a minor alteration, for example, a partition

layout, and it changes, will you now be forced to change the ablutions to make them disabled accessible?

Consensus was reached at that stage by the review board, that if you touch the bathrooms or the plumbing,

then you will need to upgrade the bathrooms to comply with the relevant requirements. This is not described

in legislation, but was an agreement reached. This leaves us with a rather grey area. If, for example, you

have a 5 000 m2 retail shop and you add a 50 m2 admin offi ce, the admin offi ce must comply with the

regulations, but you do not have to upgrade the whole 5 000 m2 shop to comply with the new regulations.

30

No law in South Africa is retrospectively applicable. In other words, if you have a model T Ford, without

safety belts, it complies without them, unless you turn it into a road dragster, then you must add safety belts

as you are then changing enough on the car, and you must comply with the relevant legislation. A similar

logic applies to changes made to windows in an existing building. If a pane of glass breaks, say, in a school,

you need to replace that pane of glass, and it must comply with the requirements of part N, which indicate

that it must be safety glazing. You must comply with it for that pane of glass. It does not mean that you must

spend millions and change all the other glass panes in the school.

We need to be very careful when it comes to part XA, however, as it deals specifi cally with the building

envelope. If you change any part of the envelope of the building, then the entire envelope of the building

must comply with the regulations. Earlier we referred to a 5 000 m2 shopping centre and you want to change

a small portion in the shop, for example a 100m2 refrigeration unit in the core of the shop, then you do not

need to upgrade the entire building to comply with XA, as you are not touching the envelope. These are

internal alterations only.

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2012-02-01 To Build double page advert final paths.indd 1 2012/02/10 1:23 PM28-29_SHARP SHOP ARCHITECTS.indd 28 3/19/12 6:01:09 PM

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IntervIew


This is not clearly stipulated in part A of the Act, and neither in part A of the standards. This is that grey area

I mentioned earlier. It is almost left to the building control officer to make the call, but that call is open to

interpretation and can be referred to the review board. So there is ‘give and take’ in the process, which will

determine how it is applied.

The same applies to part S. When will we force someone to install ramps? If no ramps are provided in a

building and someone makes a small alteration, must they now install ramps? Yes or no? I don’t know.

But luckily we have an Equality Court ruling(1) that says you are discriminating. Effectively, we hide behind

this ruling now, as the National Building Regulations are not your problem at the moment, the court ruling

mentioned, defines what must be provided and what not. They will hit you harder, and with a bigger stick,

than the Building Regulations. It is best to advise your client of the requirements and if you don’t, you will be

discriminating in terms of the court ruling. And it has nothing to do with the National Building Regulations.

The National Building Regulations talk about the access and use of the building, but you must comply with

the equality court ruling, which says you are discriminating. It is a totally different ball game.

(1) Lettie Hazel Oortman / St Thomas Aquinas Private School and Bernard Langton; Equality Court Case No 1/2010

ED: While we are on alterations and additions and the review board topic. If I alter a house with

steel frame windows, where it is practically impossible to comply with the air infiltration requirements

of part XA, as they cannot be tested, and I have to alter the envelope of the building, must I now

replace all my windows with aluminium or uPVC or timber window with a gasket that comply with the

requirement? Also, Part XA refers to fenestration, defined as any opening with glazing. A wooden

door with a 50mm gap at the bottom and vent bricks is not addressed at all, which means air

infiltration was not sufficiently addressed in the Standard.

RO: If the window area does not exceed 15% of the floor area, you are within the deemed to satisfy

requirements. If it exceeds the 15%, then you are required to do a rational design. You can then go back

to energy usage. You must do the calculations and decide. Is it going to be cheaper to remove all the steel

windows and replace them with windows that comply, or are there other processes you can follow to make

your building comply? Which of these will be the cheapest?

That is only the windows portion. Things like roof insulation is a more difficult one to comply with, windows

are the easy ones. If you don’t comply with the deemed to satisfy requirements, then you must go back and

do a rational design. That rational design must then come up with a solution that complies.

ED: There is currently a lot of confusion between SANS 10400 XA and SANS 204. Can you confirm

that SANS 10400 XA is the minimum deemed to satisfy requirements to comply with the law, while

SANS 204 is almost a best practice guide for energy efficient design?

RO: Let’s take a step backwards. There is an act of parliament, and that act says that the building industry

will be regulated. In other words, it gives empowering legislation, but it does not tell you how to do it. Then

there is a whole set of regulations that are empowered by that act and they say how we will regulate the

building industry. It breaks the building down into its components, or things that need to be regulated. 81

27 30

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INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR DESIGN & DÉCOR INTERIOR & EXTERIOR

LimeLight Design ...........................................................................................33

UniqUe stone anD garDen Décor ...................................................34

interior and exterior design decor

31ISSUE 5 | to BUiLD www.mediaxpose.co.za


EDITORIAL


The concept of inside-outside space is based on the idea of

using and manipulating form, space, material and light to soften

and, to an extent, remove the barrier between the two opposing

environments…

The notion of keeping man connected to nature, both visually

(or rather psychologically), as well as physically, is one of the

most basic and fundamental applications in architectural and

spatial design. As sustainable development has revealed so

far, the approach to, and perception of, the built and natural

environments as two separate entities, is both contradicting and

detrimental to, not only the ecosystem, but also to the health of

man in general. The concept of inside-outside space is based on

the idea of using and manipulating form, space, material and light

to soften and, to an extent, remove the barrier between the two

opposing environments, without compromising either the internal

intimacy of the building, or its weather line. This is achieved

through engaging four of the human senses; sight, smell, touch

and hearing.

Some of the most common methods that can be used to blur the boundary and create these ambiguous

spaces include the use of the following:

• Maximised glazing, allowing for direct visual and audible access to the external, dynamic natural lighting (i.e.,

rhythmic lighting and shadows moving according to time of day), as well as passive ventilation. (Holmes, 2010)

• Cantilevered structures, outcrops, roof overhangs, extended surface beds, decking or outwardly projecting

walls to create intermediate spaces such as garden rooms, courtyards, decks, balconies, patios, terraces

and verandas (Skinner, 2003, 2).

• Continuous floor levels, from inside out, with flattened thresholds to eliminate that defining boundary line.

Ground drainage along the perimeter, however, would need to be extensively detailed. The first thing to consider

is sloping and draining the floor away from the building. A standard for drainage includes a subfloor system,

usually consisting of a channel incorporated into the finish layout, with a slatted strip covering it. A concealed

version, with the channel fitted beneath decking or paving tiles, is also available. (Holmes, 2010)

• Continued materials, from inside out on walls, floors and ceilings, to create a continuous plane with

no defining point of boundary. On floors, specifically, preferably use materials which are also suitable for

external use (such as natural stone, tiles, or timber decking - sized and laid to mimic the internal finish) with

a subtle difference in texture and strength to better suit the external conditions, thus avoiding weathering and

frequent need for maintenance. (Holmes, 2010)

• Internal vegetation, which can generally be applied throughout the building, creating a direct physical

contact with nature. This can be in the form of pot plants, planters or vertical gardens (see page 65).

Aside from improving indoor air quality, internal vegetation has also been proven to enhance occupant

psychological well being.

Inside Outside Spacesdanishdessert.blogspot.com

www.homedsgn.com

References:1. Holmes, M. 2010. Inside Outside Spaces - Design Solutions. Home building and renovating. [Online] Available: http://www.homebuilding.co.uk/feature/inside-outside-spaces-design-solutions 2. Skinner, P.R. 2003. Reflections on Inside-Outside Spaces. [Online] Available: http://espace.library.uq.edu.au/eserv/UQ:3545/insideoutsidetext.pdf

Rethabile Mogaki

032.indd 32 3/19/12 6:03:32 PM

design . manufacture . retail . restoration of crystal chandeliers

tel +27 11 788 9577 fax +86 621 8253 mobile +27 84 821 3489 www.limelightdesign.co.za

LimelightDesignthe focus of attention

LimelightDesign.indd 1 3/19/12 6:04:13 PM

Unique Stone & Garden Decor is a

supplier as well as a manufacturer

of sandstone, wall cladding, cobble

paving, flagstones, stepping stones,

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Living WaLLs – verticaL Landscapes .................................................36

YZ gardens .......................................................................................................38

servest Landscaping..................................................................................40

landscape architects

35ISSUE 5 | tO BUiLd www.mediaxpose.co.za


Living Walls-Vertical Plantscapes

Tel: 011 892 0049Cell: 073 339 8271Fax: 086 274 4599

E-mail:[email protected]/[email protected]

Living Walls-Vertical Plantscapes

Tel: 011 892 0049Cell: 073 339 8271Fax: 086 274 4599

E-mail:[email protected]/[email protected]

ARCHITECTURAL CONCEPT BY RYAN HARBORTH- DURBAN, SOUTH AFRICAARCHITECTURAL CONCEPT BY RYAN HARBORTH- DURBAN, SOUTH AFRICA

36_LIVING WALLS_fcp.indd 1 3/19/12 6:04:49 PM

EDITORIAL


As wafts of the COP17 Climate Change Conference, recently held in Kwa-Zulu Natal, gently sift into the

distance, buzzing around still, are words like solar energy, going green, rainwater harvesting, recycling – and

the list continues. All well and good to throw these words into building presentations but one has to indeed

practice what one preaches.

Having recently moved into a new house, we quickly found the land gradient’s unwillingness to contribute to

sustainable water drainage in critical areas. To make matters worse, the large land patch areas, ideal in size

for vegetable growth, would only receive moisture from the heavens if not serviced by expensive artificial

water supply means. Coupled with this, the location of the waste pipes into the gullies was downstream

from these areas and the rainwater downpipe positions did not lend themselves to contributing to rainwater

harvesting for our family of avid gardeners. So began our mission to channel grey water and harness

rainwater before the wet season began.

The Elder in our family was raised on a farm, so “typical” vegetables, like gourd, fresh legumes, madumbi-

plant, chillies, holy basil and curry leaves were always grown at home. Having this skill has resulted in my

mud-loving 2-year old also taking up the spade and gleefully spending hours collecting water from faucet-

fitted containers at each shortened downpipe and watering new sprouting heads. An old pool pipe now

snakes its way around the courtyard wall to the madumbi-plants’ trough-shaped patch at the boundary, even

further down-land from the gullies. Sharing this trough-garden are, recently acquired, Arum Lily shoots,

graciously given to me by a colleague who has a man-made river running through his property, the previous

home to these lilies.

A Mommy’s Approach to

Going | Green

Bina Morar

037-039.indd 37 3/19/12 6:28:25 PM

Tel: (011) 440 9171/3www.renaldoandyzgardens.co.za

Renaldo and YZ Gardens uses auto cad for designs and offers the following services:• Design – A full spectrum of Landscaping from revamps to layout and installation

of completely new projects, including moine edging and new lawns. • Seasonal planting of annuals • Paved seating areas • Supply of ornamentation

• Consultation • Project Management • Maintenance

In addition to the above services we liaise extensively with specialists in the field of:• Decking • Irrigation • Water features and pools • Lighting

Tel: (011) 440 9171/3E-mail: [email protected]

Website: www.renaldoandyzgardens.co.za

38_YZGardensCC.indd 1 3/19/12 6:05:08 PM

EDITORIAL


We now have a fledgling gourd plant slowly creeping up the boundary wall that has just produced three

large gourds, ranging in length from 40cm to 80cm. Because of the weight and size of these vegetables,

a structure made of unused burglar bars and material scraps forms a lean-to support for the plant. Also

attempting to cover the boundary wall is a black-eyed bean creeper that has produced more than two

handfuls of pod-covered legumes in one collection. Sharing our horizontal vegetable patch are carrots,

beetroot, tomatoes, coriander, peppers, and spinach – all shaded by a much-loved peach tree.

Every mother’s dreaded time of the year was fast approaching – THE BIRTHDAY! Predictably, the thoughts

of cartoon themes, appropriate venues, and, the party norm, plagued my thoughts with no end. Ideally, one

would look at those themes most identifiable to the toddler and base the birthday cake sculpture and décor

on – but what if your toddler is a “Barney” fan one day and a dance diva the next?

Having a party mid-November has the advantages of sunny weather, the start of the count-down to the

festive season, and also the promise of the wet season fast approaching. This was the perfectly conducive

conditions for a garden-themed birthday party. Cupcakes and tea were not the order of the day as the

invitees were tasked to, firstly, choose a seedling to pot and retain as a souvenir. The children then, together

with their parents, each chose a seedling to plant in a soft soil-turned birthday remembrance garden. The

guardian of this floral garden is a ceramic frog named Freddie and the chief gardener is my toddler. Granted

that a few of the seedlings have since ultimately perished due to her constant prodding and smothering –

she now has resolved to keeping a close eye on her garden with minimal finger-interference.

Going green is more than planting fancy indigenous landscaping and prettifying a desert below. Environmental

sustainability requires a mind-set change. As built-environment professionals, we can indeed plant the seed

and initiate the process; however, the maintenance of this process must be cultivated at grass-roots level

– all puns excused.

037-039.indd 39 3/19/12 6:28:36 PM

A landscaped and well-maintained exterior environment where you work, live or play improves

your sense of well-being. Servest Landscaping understands the importance of creating and

maintaining environmentally conscious landscapes for commercial and industrial organisations,

recreational, entertainment and retail establishments and the property development market. We have more than 40 qualified horticulturalists, an in-house design

team and all the equipment and expertise it takes to make your landscape work for you.

Servest Landscaping - A Division of the Servest Group Servest Connect 0860 22 55 84website www.servestlandscaping.co.za Email [email protected]

Keeping your

environment growing.

40_SERVEST.indd 1 3/19/12 6:26:11 PM

EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs EnginEErs

Vital EnginEEring.........................................................................................42

gEnrEc EnginEEring ..................................................................................44

charlEs PEin and PartnErs ................................................................. 46

engineers

41ISSUE 5 | tO BUild www.mediaxpose.co.za


VitalEngineering_fcp.indd 1 3/19/12 6:26:31 PM

EDITORIAL


Structure inspired by

nature

Munich Olympic Stadium

Rethabile Mogaki

BIOmimicry, BIOmimics or BIOmimetic design, is a new discipline in architecture and engineering, offering

diverse potential for increased functionality within non-biological structures and systems, as well as

opportunity for a more cultivated integration between the two environments. The founding principles lie in

the regard of nature as a prototype for advanced, as well as sustainable, innovation and development; from

the selection and processing of materials, to the operation of various structural components as co-operative

and inter-linked systems. This approach does not focus on the extraction of physical matter from the natural

world but rather the extraction of the logic and understanding from studying the forms, processes, systems

and strategies, evident in the very nature of what we are, where we inhabit, as well as co-inhabit.

The idea of looking to nature for inspiration is not new to human innovation and has, over time, been a field

of study within disciplines such as Mathematics, Science, Electronics, and Robotics (Smith 2009: 229). In

building construction, however, nature has almost exclusively been applied as a physical model, mimicked

only in form; aesthetically in architecture, and structurally in engineering (although usually with minimal

comprehension, and limited to a simple physical aspect of an organism (Zari: 033)).

Some of the early applications of Biomimicry in Architecture and Engineering were during the 18th and 19th

centuries, appearing in the works of designers such as Joseph Paxton, with “The Lily House” in Strasbourg, and

the “Crystal Palace” (both inspired by the radial rib structures in the Victoria Lily leaf), as well as Frei Otto, with the

“Munich Olympic Stadium” (inspired by the tensile structural properties of a spider web) (Omondi 2007: 12).

Although the fundamental principles were evident at that stage, the ideas could only be executed to a

small ratio of their overall potential; this being due to technological constraints as well as a still young and

“immature” understanding of the more scientific approach to naturally inspired structures.

Despite the amount of research currently being done globally on Biomimicry in the built environment,

most of the success and progress has been mainly on materials and products (Zari: 033). Very few of

the studies carried out on structure have managed to move past conceptual stage and materialise into

ready-to-apply methods of construction. Nevertheless, the products and materials, together with

For centuries, Mother Nature has maintained the mastery in the invention and engineering of various biological structures and systems, having long ago solved the many problems found in the built environment today.

Mother [Nature] knows best

043,045.indd 43 3/19/12 6:29:04 PM

Genrec Engineering (Pty) Ltd.

Tel: +27 11 876 2300 | Fax: +27 11 827 1722

Cnr Dekema & Niemann Roads, Wadeville, 1428, South Africa

E-mail: [email protected]

Web: www.genreceng.co.za

At Genrec, we know that a company’s products are a reflection of the teamthat creates them. Our people are the underlying force driving the deliveryof your vision with embedded values to deliver beyond our customers’expectations.Working with honesty, accountability and care, our collective team is committed to fabricating innovativesteel solutions to meet your specific needs.

Genrec’s capabilities extend from Total Project Management; Design & Detailing; Light, Medium & HeavyStructural Fabrication; Planning and Programming to Erection. The company also retains the in-housecapacity and competency to conduct precision Heavy Machining.

At Genrec, our team is happy to discuss the value we can add to your projects with our resources, be thata single capability or the entire project offering.

At Genrec At Genrec Our values deliver Our values deliver

Your visionYour visionAt Genrec, we know that a company’s products are a reflection of the teamthat creates them. Our people are the underlying force driving the deliveryof your vision with embedded values to deliver beyond our customers’expectations.

Our Values | Honesty and Integrity | Accountability | Care | Respect | Commitment

GENREC AD CHOSEN FINAL staggere 17/1/12 09:12 Page 1

GENREC ENGINEERING.indd 1 3/19/12 6:47:26 PM

EDITORIAL


References:1. Fox, M. Mesghali, E. Ruthrauff, H. 2011. Bio-structure Bone-inspired Building Frame by TECTONICA. Biomimetic Architecture. [Online] Available: http://biomimeticarchitecture.wordpress.com/2011/05/23/bio-structure-bone-inspired-building-frame-by-tectonica/ [2012, January] 2. Malayeri, S. 2009. Biomimicry in Building. [Online] Available: http://www.kea.dk/uddannelser/kea-byggeriproduktion/om-byggeriproduktion/biblioteket/projects-english/ [2012, January]3. Mahmoud, E. 2010.Biomimicry: A New Approach to Enhancing the Efficiency of Natural Ventilation Systems in Hot Air. [Online] Available: http://www.pa.upc.edu/Varis/altres/arqs/third-international-seminar-arquitectonics-network-tercer-seminario-internacional-arquitectonics-network/comunicacions/elghawaby-mahmoud/at_download/file [2012, January] 4. Omondi, P. 2007. “Shaping the future with bionic buildings”. Construction Review. p. 12.5. Mark, M.C. Kestner, D. 2010. Biomimicry and Structural Design: Past, Present and Future. [Online] Available:ftp.eng.auburn.edu/../304.pdf [2012, January] 6. Smith, I.F.C. 2009. Control Enhancements of a Biomimetic Structure. [Online] Available: http://www.kea.dk/uddannelser/kea-byggeriproduktion/om-byggeriproduktion/biblioteket/projects-english/ [2012, January]7. Zari, M.P. Biomimetic Approaches to Architectural Design for Increased Sustainability. [Online] Available: http://www.cmsl.co.nz/assets/sm/2256/61/033-PEDERSENZARI.pdf8. Munich Olympic Stadium. MIMOA [Online] Available: http://mimoa.eu/projects/Germany/Munich/Olympic%20Stadium%20Munich [2012, January] 9. What is Biomimicy?. Biomimicry Institute [Online] Available: http://biomimicryinstitute.org/about-us/what-is-biomimicry.html [2012, January]

various structural components being researched and developed, could potentially influence, and lead to

breakthrough to, more sophisticated and multifunctional structural systems as those found in nature.

Listed below are a few of the currently pioneering biomimicy research studies that are based on developing

structural performance.

1. Typically, in construction, structural elements and systems are identified by isolated, solid masses,

purposefully designed to serve a sole function. Biomimetic structures should strive to imitate the integrated,

multi-functionalism distinct in natural structural systems, such as the human skeletal system, which serves

both the functions of support and providing protected internal area for the production of blood cells. Mark

C. Waggoner and Dirk Kestner are looking at tensile structures and their ability to mimic this flexibility in

functionalism, through conducting a study based on a combination of the “principles of force-density form

finding method with a series of rules derived from cell growth theory” (Waggoner and Kestner 2010: 2852).

2. TECTONICA Architecture, a Puerto Rican based firm, is also looking to the human skeleton for inspiration,

in this case, to develop an earthquake resistant structural system. Through studying the skeletal structure,

they have identified a possible solution for a structural response to lateral loads produced during an

earthquake. The researchers are mimicking bone formation, based on Wolff’s law, which suggests that the

bone structure’s anatomy reflects the common stresses it encounters. This simply means that the tissue will

grow only where it’s going to be functional. The Stick System (STICK.S), a proposal by the original founder

of the idea, architect Wilfredo Méndez, has experimented with hollow-shaft columns and beams whose

morphology was adapted to its bending moment diagram. (Fox et al 2011)

3. Nano Vent-skin (NVS), by designer Agustin Otego, is a conceptual project based on the development of a

multifunctional facade. The project experiments with using nanotechnology to produce a cladding skin made

out of micro wind turbines, performing various functions such as absorbing and transforming natural energy,

as well as absorbing carbon dioxide from the atmosphere. (Malayeri 2009:37)

Today, with the introduction and movement towards sustainability, together with the advancements in

technology and various fields of study such as Biological Sciences, Nano Engineering and Nano Technology,

Biomimicry now has a more stable ground, with a wider range of possibility for growth and development.

043,045.indd 45 3/19/12 6:29:11 PM

CharlesPein&Partners_fcp.indd 1 3/19/12 6:47:47 PM

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Marley roofing ............................................................................................48

Bluescope steel ..............................................................................................49

Mitek ......................................................................................................................52

roofs

47ISSUE 5 | to BuilD www.mediaxpose.co.za


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MARLEY ROOFING.indd 1 3/19/12 6:48:24 PM

BlueScopeSteel.indd 1 3/19/12 6:49:32 PM

EDITORIAL


Though the three spheres of sustainability are interconnected, intertwined and interchangeable, let’s focus

particularly on roofs and the physical environment. Can we create comfortable indoor environments that are

in harmony with our outdoor environment?

Green and brown roofs have taken to the spotlight recently, as a means of alleviating the carbon footprint

created by the architecture, building and living industries. They come in different types and they are an

adaptation of the conventional roof construction methods, predominately an adaptation of concrete frame

construction, in order to allow for plantation. These, according to The Design Guidelines for Green Roofs,

are beneficial in the following ways: they perform well in both thermal and sound insulation; the vegetation

brings back the ecological balance and encourages the return of wildlife, and provides an aesthetic appeal

that, for example, ‘concrete jungles’ have lost; they reduce the effects of the Urban Heat Island, and they

provide a better means of handling storm water. (Peck. M and Kuhn. M)

Roofs are one of the most important parts of any building, a defence system against the elements, a primary means of providing shelter. However, in the case for roofs, who or what stands in defence of the collective environment? As we sit comfortably (or not so comfortably) in our micro and “sheltered” environments, are we aware of the negative affects we impose on our earth as we go about the construction of these shelters?

Roofs and the Environment Nonhlanhla Mashego

050-051.indd 50 3/19/12 6:29:30 PM

EDITORIAL


Having now mentioned conventional roof construction methods, how do these impact the environment,

and what sort of internal environments do they make? The most common construction methods for roofs

in South Africa is concrete, timber frame construction, and steel frame construction (these methods are

favoured differently according to their cost implications, and depending on the size and type of the project).

These methods do not use only one mentioned/named material. For example, timber frame construction will

also use insulation, a roof covering (clay tiles, concrete tiles, fibre cement or metal sheeting, to name a few),

guttering, ridging, ceilings, and painting materials. When deciding to construct a roof that is environmentally

sound, do we look at each material in isolation, or do we look at all the materials that would make up the

roof system?

Naalamkai Ampofo-Anti, of the CSIR Built Environment, answers the above question beautifully in her

paper. The focus here is LCA (Life Cycle Assessment), which analyses the material, its embodied energy,

and the effects it has on its environment, from its birth till the end of its lifespan. That is to say, we would

study and follow the material through all its life stages, from raw material form, to the manufacturing and

distribution process, to its use and maintenance and, finally, to its disposal. During a post-use analysis, steel

and concrete are said to release and emit a higher level of pollutants and greenhouse gases in comparison

to wood (2009, Ampofo-Anti). One of the fundamental and defining principles of environmental sustainability

is that construction materials should be locally sourced, and the manufacturing and distribution phase of the

Life Cycle Assessment would deal with this issue.

As already mentioned, the steel, the timber, or the concrete are not the only materials that go into roof

construction, therefore one would have to analyse each material according to its LCA. Using the results of

that analysis for each material, the designer would then have to look at the quantities of each material and

work out the performance and the sustainability of the roof construction as a whole.

Roof coverings also have an impact on the effects that roofs have on nature. Thatch is growing increasingly

popular. Because of its green credentials, it proves to be kind to both indoor and outdoor environments. It is

a completely natural material, and so are most of the materials involved in the assembly of thatch roofing. It

is said to provide natural sound and heat insulation and it is much cheaper than tiled roofs using the same

structure as thatch roofs. (The Wood Foundation Brochure, www.thewoodfoundation.co.za)

References:• 2009, Naalamkai Ampofo-Anti, CSIR Built Environment, Green Building Handbook for South Africa

Chapter: The environmental impacts of construction materials use: a life cycle perspective• Specifile – June 2007, Good Roofing Practice and concrete roofing• Robert L. Fulmer, 2006, Tile roofing systems: analysis and inspection techniques for roof

consultants• 1993, Pretoria, Department of Public works: specification of materials methods to be used fourth

revision• Steven P and Monica K., (B.E.S., B. Arch, O.A.A), Design guidelines for green roofs• www.tiasa.org.za• www.solidworks.com• www.biosciencemag.org• www.thewoodfoundation.co.za• www.thatchit.co.za

050-051.indd 51 3/19/12 6:29:41 PM

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MiTek_fcp.indd 1 3/19/12 6:50:04 PM

Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors Floors

Natural Quartz FlooriNg ...................................................................54

Bates access FlooriNg ..............................................................................56

cemcrete ...........................................................................................................58

floors



Tel: 083 608 9850 Steven 082 498 8049 Coenrad

Fax: 0866723417Email: [email protected] [email protected]

NaturalQuartzFlooringSA .indd 1 3/19/12 6:50:34 PM

EDITORIAL


An ancient building component in rural and vernacular construction, cow dung has, for years, been applied

to floors and walls all around world. Externally it operates as a waterproofing layer to huts, and even as a

layer of insulation in some cold regions.

According to my grandmother, M.E. Mphuthi (a retired expert in this rather organic building medium), for

the lining of a compact earth floor, a good mix has the proportions of 2 wheel barrows of soil and half a

wheel barrow of cow dung, as well as enough water to create a sticky paste. Other mixing formulas, such

as those practiced in different parts of the Philippines, consist of cow dung and ground “puso-puso” leaves,

or sometimes dried rice stalks and water (Making Flooring...2011: 1). Generally, the lining takes up to a day

(at most) to dry, resulting in a dark brown, hard and odourless surface. For maintenance, an occasional

reapplication of 2 to 3 layers, depending on the level of weathering, should be enough.

Although far from the aesthetic standards of modern flooring products, benefits such as its insect repellant,

and anti-bacterial properties, make it a considerable organic and sustainable option. Moreover, the process is

fairly easy and cost-effective, with an abundant supply of material for both construction and maintenance.

Researchers at the Michigan State University are currently attempting to develop a flooring particle board

made from dried up and sterilised cow dung, replacing what would typically be saw dust in common fibre

boards. The cow dung fibres are stronger and more self-binding compared to wooden fibres thus requiring

fewer chemical binders to form (Bednar, 2011: 1).

– Talk about useful POO!

A nostalgic look at cow dung floors

References:1. Bednar, D. 2011. Cow dung mud paste. Strawbale Studio NATURAL BUILDING [Online] Available: http://strawbale.pbworks.com/w/page/38537742/Cow%20dung%20%20mud%20paste [2012, January] 2. Pilloton, E. 2010. Eco Floors Made From Cow Poo!. Inhabit [Online] Available: http://m.inhabitat.com/flooring-made-from-cow-patties/ [2012, January]4. Lining the floor with cow dung. Lesedi - Place of Light [Online] Available: http://malisa.viawias.com/lesedi.html [2012, January] 5. Making Flooring out of Carabaro/Cow Dung. Entrepreneur Tips and Advice [Online] Available: http://www.entrephelp.mixph.com/?p=14 [2012, January]

The thought of cow dung brings back childhood memories of when I’d watch my grandmother building low, decorative garden walls from a mixture of cow dung and mud - a mixture I used to look down upon with disgust and disbelief! Why smelly cow dung, of all things?! Lining the floor with cow dung

Rethabile Mogaki

55.indd 55 3/19/12 6:29:59 PM

BatesAccessFlooring.indd 1 3/19/12 6:50:56 PM

AdvertoriAl


“Our Product Stewardship Programme is a series of achievable commitments that address the industry’s

environmental issues and forms the cornerstone of the Association’s focus and activities,” explains Delanie

Bezuidenhout, CEO of SAVA.

The Product Stewardship Programme, which was voluntarily signed by the SAVA members, consists of five

fundamental key areas, namely:

• A commitment to the responsible and sustainable use of additives, including (but not limited to) stabilisers,

plasticisers, pigments and Bisphenol A.

• A commitment to the responsible and sustainable Vinyl recycle programme that quantifies the opportunity

for recycling in post-production and post-consumer waste, and sets realistic and sustainable goals.

• Ensuring open and effective communication with industry role players, the public and government, in order

to correct perceptions about the science, reality and local applicability of PVC.

• Ensuring industry health through product, market, and application opportunities, thereby improving human

capital and overall growth, prosperity, and sustainability of the vinyl industry.

• Ensuring a fully functional industry initiative that adds value to both members, and the industry, by growing

a sustainable membership base with an effective marketing plan.

“PVC has, in recent years, received a bad rap from environmentalists, the public, and the media, who are, in

many cases, unaware of the hard work being done behind the scenes to ensure that vinyls are environmentally

safe and sustainable”, she says. “SAVA aims to raise awareness of the good qualities of PVC”. Being part of

a successful industry, implies accepting a responsibility towards others in that industry, to join forces, to share

ideas, and to turn ideas into action. For this reason, SAVA actively participates in knowledge transfer activities

with the Australian Vinyls Council, The Global Vinyls Council, Vinyls Plus, and other international organisations.

Since its inception a little more than year ago, SAVA has already made significant inroads by convincing the

Green Building Council of SA to withdraw the Mat-7 PVC Minimisation credit from the Green Star SA rating

system, and not to replace it with an alternative version. Says Bezuidenhout: “We are proud of the fact that

the GBCSA acknowledged the progress our industry has made to date, and that they have deemed the

transition in the local vinyls industry to be on par with that of the Australian PVC industry.”

SAVA has set realistic timeframes and goals for the delivery of key undertakings in the production and

storage, the safe and sustainable use of these additives, waste management thereof, and research and

public reporting.

the 24 members of the Southern African vinyls Association (SAvA) have committed themselves to the responsible and sustainable use of PvC, with the signing of the industry’s Product Stewardship Programme (PSP).

Vinyls Industry commits to Product Stewardship Programme

Monique Holtzhausen-Hinds

57.indd 57 3/19/12 6:30:15 PM

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Ergo SyStEmS ....................................................................................................60

minaco ................................................................................................................61

ablE Walling SolutionS ..........................................................................62

walls

59ISSUE 5 | to builD www.mediaxpose.co.za


ERGOSYSTEM_fcp.indd 1 3/19/12 6:51:30 PM

03_Minaco_fcp.indd 1 3/28/11 5:36:13 AMMINACO.indd 1 3/19/12 6:51:53 PM

EDITORIAL


A more detailed and technical approach to the traditional “wall creeper” is fast emerging on the building scene. The typically flat and grounded garden plane has been flipped upright, bringing forth new possibilities, both in design and sustainability.

VERTICAL GARDENS – Evolution of the wall creeper

Rethabile Mogaki

The application of vertical gardens (also known as green walls) poses various advantages to the urban

realm. These include their undeniable aesthetic enhancement to the otherwise dull and hard urban

surface, as well as the natural attributes of vegetation in general; the reduction of air temperature through

transpiration, improvement of air quality through the absorption of air toxins such as carbon dioxide, as

well as the creation of habitat for various species. Depending on the type and position, vertical gardens

can substantially reduce the heat absorption into a building, thus reducing the large cost of energy that

would typically go into cooling and heating systems. Moreover, internally, these natural features provide a

psychological connection to nature which, in turn, can improve occupant comfort, health, and psychological

well-being, leading to improved productivity.

Vertical gardens can be either attached (that is, grown directly on the wall) or freestanding, using either soil

or an inorganic growing medium for root propagation. There are generally two types of vertical gardens;

Green Facades, and Living Walls (Green walls, 2010).

Green Facades - The vegetation in Green Facades maintains a general horizontal plane, using a vertical

surface for support. A common example is that of climbing plants, which are rooted in, and supplemented by,

062-063.indd 62 3/19/12 6:30:35 PM

EDITORIAL


the ground, and then grown on an upright support structure, such as a wall or metal (2D, 3D, or both) grid

structure. Other types include Gabion walls, stacked stone walls with planting recesses, as well as stacked

modular walls (Philips, 2010). Here, the systems create vertical levels on which the plants are hung, planted

or placed (in pots) to create a vertical, vegetated mural.

Living Walls – The growing medium in these systems lies on a vertical

plane, secured and supported on a wall, or freestanding within a

supporting frame structure. Like green roofs (only upright), they exploit

and insulate heat absorbing and under utilised vertical surface areas

in urban regions, thus contributing to the reduction of the Urban Heat

Island effect (Philips, 2010). Living walls can be divided into 3 types

of systems, differing primarily in their growing mediums; Hydroponic

Systems, Vegetation Mats, and Living Fences (Philips, 2010).

• Hydroponics is a soilless method of growing vegetation, using balanced (water-based) mineral nutrient

solutions to supplement the plants. The system generally consists of a wool felt blanket growing medium,

a waterproof layer (e.g. PVC sheeting), and a drip irrigation system to keep the felt blanket moist.

Maintenance is kept at a minimum, requiring only occasional removal of foliage and clipping; however,

establishment costs, as well as its water dependence for both hydration and nutrition during its lifetime,

make it rather an expensive option.

• Similar to green roof construction, vegetated mat systems are grown in advance and are then laid and

fixed onto the wall surface. These usually consist of coir or felt mats, which are generally thin in nature

(Green walls, 2010). This lack of depth ultimately limits plant selection, since it cannot support vibrant

root systems. Another disadvantage caused by this is the inability to hold water, resulting in a need for

constant irrigation which, again, can be quite hefty on the pocket.

• Living Fences, also known as “Fedges”, are free standing green walls, composed of a 3D timber or metal

structural frame with a wire mesh (in some cases and/or a geotextile mat) fixed across all sides. Together,

they contain the growing medium (usually soil) in between them, thus allowing for planting on all sides

and, much like a hedge, creating a 3 dimensional view to the vegetated wall. The fence is neither fixed

to the ground, nor to any other structure, thus is also flexible for repositioning. A drip irrigation system is

usually included in the structure, supplementing the wall during dry periods. (Philips, 2010)

More than anything, vertical gardens have caused a visual stir in architecture and design; approached more

as a display of art, rather than a sustainable solution. Nevertheless, they are sustainable to a notable degree.

However, much is yet to be resolved and developed concerning costs in fabrication and maintenance, as

well as efficiency in their use of resources.

References:1. Philips, A. 2010. Living walls - Confidential. Sustainable Design and Development Blog. [Online] Available: http://sustainableppn.asla.org/2010/05/24/living-walls-confidential/ [accessed 09 February 2012] 2. 2010. Green wall. Wikipedia. [Online] Available: http://en.m.wikipedia.org/wiki/Green_wall [accessed 09 February 2012]3. Smgardener, 2007. LIVING WALL 3. TheGrowSpot.com [Online] Available: http://www.thegrowspot.com/know/f5/vertical-gardens-living-walls-53838.html [accessed 09 February 2012]COVER IMAGE. 2012. Personal digital photograph.GREEN FACADE1, 2, 3. 2011. Personal digital photographs.

Hydroponic wall garden by Patrick Blanc Marché des Halles (smgardner)

062-063.indd 63 3/19/12 6:30:47 PM

Able_fcp.indd 1 3/19/12 6:52:19 PM

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Doortec .............................................................................................................66

Alu GlAss ..................................................................................................... 68, 69

rDA Aluminium ...............................................................................................70

windows and doors



DOORTEC.indd 1 3/19/12 6:52:40 PM

EDITORIAL


One area where heat is lost or gained extensively is through windows, which we will focus on here. To this

effect, SANS 10400 part XA, deals extensively with the requirements of windows in buildings. This only

comes into effect when a new building is built, or if any alterations are made to the building envelope (as

indicated during the discussions with the Regulator, Rudolf Opperman, from the National Regulator for

Compulsory Specifications).

From the requirements contained in part XA, there are some interventions that can be applied to and

existing building, which will reduce the building’s energy consumption. Some steps that can be taken are

listed below:

• Replace existing glazing with high performance glazing or double glazing.

• Fix a solar film to the existing glazing.

• Add shading elements to the windows.

• Provide a sealing strip to opening sections.

These interventions have various benefits, for example, the high performance glazing, solar film and

shading elements reduce the heat build-up in a building by reducing the solar heat gain from direct sunlight.

Double glazed windows (and, to an extent, high performance glazing) reduce the heat gained or lost through

conductance – the transfer of heat through the glass, from hot to cold areas. Lastly, by sealing opening

sections, hot air is prevented from escaping or entering through the gaps.

By preventing unnecessary heat gains or losses, the energy required to heat up or cool down buildings will

be reduced and so reduce your electricity bills.

An ESKOM power increase, of at least 16%, is on the horizon. This is significantly less than the 26% that was previously on the cards. However, it will still have a significant effect on everyday living, with less and less money left over for everyone. Making buildings more energy efficient, will reduce the energy consumption and so, reduce your electricity bills. One of the main focus areas to improve energy efficiency is the heating and cooling of buildings.

Making your building more energy efficient

Images courtesy of www.sagga.co.za

067.indd 67 3/19/12 6:31:05 PM

EnviroScreen.Sustainable solar control: the greener blind.EnviroScreen is a highly reflective, robust, transparent, metallised fabric, which provides visual and thermal comfort. It is woven in a screen-like construction, but with a clear textile appearance, suitable for roller blinds and panel tracks. Thanks to the high reflectivity, EnviroScreen lowers heating-and cooling costs substantially. This results in a reduction of CO2 emissions, and therefore minimises the greenhouse effect. EnviroScreen is available in 2 transparencies, 2% and 10% openness factor (OF). Even with the 2% OF, EnviroScreen allows a very good view through,suitable for all fenestrations and all elevations, worldwide.

variflex mobile acoustic partitionsvarikust acoustic doorsabsorption panelsglassflex glazed architectural productsvarifold wooden folding doors

showerflex shower enclosuresverosol internal sun control

solux sun control blindssolamark range of awnings

seves glassbricks

te l : +27 11 451 8400 fax : +27 11 609 8097mai lbox@alug lass .co .za www.a lug lass .co .za

agents nat ionwide

SilverScreen can also be called a green product!

SilverScreen is produced environmentally friendly, it has the Öko-Tex Standard 100 certificate and is formaldehyde free. This means that SilverScreen does not contain any harm causing elements for our health.Besides, during the summer SilverScreen keeps the warmth outside, due to the reflecting metal layer and it will reduce the loss of warmth during the winter. This results in considerable savings on the costs of energy (airconditioning, heating etc.), but it also reduces the amount of CO²-emissions.Verosol is a worldwide supplier of branded quality solutions for solar control, and AluglassFor more information phone 0861 - ALUGLASS (0861-258 452) or visit www.aluglass.co.za

Verosol is a worldwide supplier of branded quality solutions for solar control, and Aluglass

is the license-holder for these sun-blinds in southern Africa. These sun-blinds ensure

effective protection from heat and reduction of irritating and bright sunlight while retaining

a perfect view of the outside world. Combine the advantages of curtains and external

sun-blinds in a single product, safely fitted to the interior wall, with these sun-blinds.

C

M

Y

CM

MY

CY

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K

DPS advert new.pdf 1 2012/03/19 10:15:54 AM

68-69_ALU GLASS.indd 68 3/19/12 6:53:07 PM

EnviroScreen.Sustainable solar control: the greener blind.EnviroScreen is a highly reflective, robust, transparent, metallised fabric, which provides visual and thermal comfort. It is woven in a screen-like construction, but with a clear textile appearance, suitable for roller blinds and panel tracks. Thanks to the high reflectivity, EnviroScreen lowers heating-and cooling costs substantially. This results in a reduction of CO2 emissions, and therefore minimises the greenhouse effect. EnviroScreen is available in 2 transparencies, 2% and 10% openness factor (OF). Even with the 2% OF, EnviroScreen allows a very good view through,suitable for all fenestrations and all elevations, worldwide.

variflex mobile acoustic partitionsvarikust acoustic doorsabsorption panelsglassflex glazed architectural productsvarifold wooden folding doors

showerflex shower enclosuresverosol internal sun control

solux sun control blindssolamark range of awnings

seves glassbricks

te l : +27 11 451 8400 fax : +27 11 609 8097mai lbox@alug lass .co .za www.a lug lass .co .za

agents nat ionwide

SilverScreen can also be called a green product!

SilverScreen is produced environmentally friendly, it has the Öko-Tex Standard 100 certificate and is formaldehyde free. This means that SilverScreen does not contain any harm causing elements for our health.Besides, during the summer SilverScreen keeps the warmth outside, due to the reflecting metal layer and it will reduce the loss of warmth during the winter. This results in considerable savings on the costs of energy (airconditioning, heating etc.), but it also reduces the amount of CO²-emissions.Verosol is a worldwide supplier of branded quality solutions for solar control, and AluglassFor more information phone 0861 - ALUGLASS (0861-258 452) or visit www.aluglass.co.za

Verosol is a worldwide supplier of branded quality solutions for solar control, and Aluglass

is the license-holder for these sun-blinds in southern Africa. These sun-blinds ensure

effective protection from heat and reduction of irritating and bright sunlight while retaining

a perfect view of the outside world. Combine the advantages of curtains and external

sun-blinds in a single product, safely fitted to the interior wall, with these sun-blinds.

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M

Y

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DPS advert new.pdf 1 2012/03/19 10:15:54 AM

68-69_ALU GLASS.indd 69 3/19/12 6:53:18 PM

Where you get PURPOSE MADE products at Industry STANDARD prices!

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70_RDA ALUMINIUM.indd 1 3/19/12 6:53:40 PM

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71ISSUE 5 | to bUIld www.mediaxpose.co.za


Tel/Fax: (+27) 011 614 5967 Tel: (+27) 011 614 5786 / 9786

Fax2Email: 086 664 1865

Email: [email protected]@telkomsa.net

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AdvertoriAl


The Lafarge Group has embarked on a massive CO2 reduction plan, targeted around its distribution. An

area that, to date, has seen little focus from general industry. The plan, implemented by Lafarge Gypsum

South Africa, in partnership with Don Bur, SA Truck Bodies and MAN Truck & Bus, will set new boundaries

for transportation specifications on the continent, while supporting the environmental values of Lafarge and

its bid to construct a legacy.

The new transportation specifications of Lafarge Gypsum work on innovation and technology, in order to

reduce the environmental impact of the business. Technical developments have embraced creativity to meet

the business core objectives of:

• Introducing one of the safest vehicles operating on South African roads;

• Designing a vehicle specification that would inherently reduce the company’s carbon footprint;

• Increasing payloads to enable fewer vehicle trips.

The new teardrop concept for Lafarge Gypsum’s transportation trailers and rigid vehicles, truly encapsulates the

thought leadership behind this process. The new vehicle transportation specification for Lafarge Gypsum South

Africa will become the benchmark for logistics, right across Africa, with the following constructive features:

✓ Proven technology in Europe, with a new commercial vehicle application (Super-link);

✓ It mimics the perfect aerodynamic lines of a natural teardrop;

✓ It reduces the Coefficient of Drag (CD Value);

✓ An 11.3% average fuel saving.

Aerodynamics, rolling resistance, inertia and gravity, as well as drive line losses are the four major fuel-

consuming culprits of transportation. While the teardrop concept of Lafarge mimics the perfect aerodynamic

properties of a natural teardrop, its attention is on lowering turbulence and drag. The lower drag results in

lower fuel consumption.

Lafarge worldwide has set strict CO2 targets from materials to buildings. Bruno Lafont, Chairman and CEO

of Lafarge, commented: “Lafarge has made the reduction of its CO2 emissions a major objective.” It is,

therefore, no longer a matter of reducing the CO2 emitted in the production of materials for Lafarge, but for

every aspect of the business to develop solutions that will consume less energy.

Finally, and most importantly, Lafarge will also be fitting, as standard, a number of health and safety improvements

to ensure a safe distribution environment, some of which are, yet again, new to the South African marketplace.

Lafarge commitment to sustainability extended to transportationLiezel Niemack

73.indd 73 3/19/12 6:31:22 PM

Gyproc , a Saint-Gobain company, is a leader in the manufacture of lightweight building materials and manufactures energy conserving RhinoBoard for all interior lining applications.

Gyproc’s competitive edge is retained by accessing changing market needs, while pushing boundaries through constant research development. In addition, product testing, flexibility of design and offering the construction industry and end-users peace of mind that all products are tried, tested and backed by 80 years of experience and industry knowledge, adds credibility to their position as market leaders.

Every Gyproc component not only comes with a performance warranty, but all Gyproc proprietary systems benefit from SpecSure®, a 10-year warranty unique to Saint-Gobain effective from specification to installation, guaranteeing performance and recourse in the event of a product fault or defect, which offers customers peace of mind and

reiterates the reputable image of the company and the superior quality of their product range.

SpecSure® is provided with every Gyproc proprietary system designed and installed in accordance with supplied specifications. SpecSure® protects the integrity of drywall and ceiling systems, offering access to technical support and assuring reliable performance warranted for 10 years.

All Gyproc systems are developed using only the highest quality components, which are specifically designed to work together giving customers the confidence that they will meet the most rigorous of building requirements.

The company has four local manufacturing facilities and fully complies to and holds both the ISO 9002 and ISO 14001 quality and environmental system certificates.

Gyproc are entering a new era with a refined business model. Customer and stakeholders can look forward to an improved service offering across all business sectors, where service excellence, value and needs of the customer are priority.

Saint-Gobain Gyproc leaders in innovative and sustainable design solutions

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DnA Logic..........................................................................................................78

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E-HOME AUTOMATION SYSTEMS.indd 1 3/19/12 6:55:22 PM

EDITORIAL


There are two well known automation areas that are regularly referred to in the built environment. The best

known is, probably Home Automation, the other, BMS – Building Management System. A further system

that can be used is individual or independent monitoring.

With corporate, industrial and other business facilities, consuming vast amounts of energy, the installation

of independent monitoring systems or building management systems, will have a significant effect on the

building’s current energy usage.

The Campus, in Bryanston, through the installation of independent sensors that detect the presence of

occupants in the basement parking area and offices, saved approximately 85% on their energy consumption.

This was equivalent to almost R78 000 in 2008.(1) Through the of occupancy sensors, the lights are turned

off, if an office is unoccupied for more than a few minutes, or a parking area is not utilised, automatically

reducing the energy consumption. It further prevents lights left on overnight because of occupants that

forget to turn them off.

As far as the building’s systems are concerned, BMS are able to monitor consumption of energy, equalise

lighting levels, as well as manage the HVAC systems.

• Monitoring consumption provides you with early warnings, when energy consumption levels rise above the

norm, which can then be investigated and corrected.

• By checking lighting levels, it can adjust the artificial lighting levels when there is sufficient day light. By

monitoring specific areas, like close to windows, that allow more light in, artificial lighting could be dimmed

significantly, while those at the core of the building remain bright enough to ensure compliance with the

OHS workplace lighting level requirements.

• Managing the HVAC system, can be done through timers, temperature monitoring as well as occupancy

monitoring, ensuring the system operates at its peak and most efficient, which ensures that conditioned

air is used in the building, where it is needed.

Implementing any of the above systems could be costly, but have a ROI (Return on Investment) which falls

within acceptable norms, especially if you consider the annual increases. And, in a country where energy is

scarce already, with renewed threats of load shedding, it could just make a big difference.

Technology keeps on changing... How can this be used beneficially in the built environment?

Can building automation affect sustainability?

References:(1) 2008, A Case Study of a Retrofit of Power Saving Devices: The Campus; Bryanston; www.greenbuilding.co.za

For more than three decades DNA Logic has offered individual consultation and tailor-made solutions for

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Robotic storage which is custom designed and constructed to

meet the pharmacy’s specifications in view of the given space

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Benefits: Reduce overheads, gain time for counselling, reduced

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DNALogic.indd 1 3/19/12 6:55:38 PM


ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning ElEctrical, lighting & air conditioning

FUTUre LIghT ....................................................................................................80

SOLenT TraDIng .............................................................................................82

PhILIPS ....................................................................................................................83

aMS ..........................................................................................................................86

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Future_light_final_168_240.indd 6 2011/10/12 07:46:45 AMFutureLight.indd 1 3/19/12 6:56:02 PM

INTERVIEW


So, in this case, we talk about energy, and this is why we talk in the Constitution of providing sustainability,

to provide a world for our children. That is why part X is the fi rst level to make sure that we do provide a

component that ensures we will regulate sustainability in our built environment. The fi rst thing that comes

with this is a knee jerk reaction but it is not the only reason. The Kyoto protocol, and all the other items, are

as important as the fact that we do not have electricity, but XA – energy usage is the easier one. It is the

lowest hanging fruit, to ensure that we do not use electricity as ineffi ciently in the future. Because of this, a

regulation was published with three parts.

Firstly, that a building will be designed to be energy effi cient. Secondly, and this one stands alone, that 50%

of all warm water will be produced through a non-electrical resistance means. Lastly, that you will comply

with the regulation, as it is an Act, and it explains how to comply with it. It is not ‘maybe’ you should comply,

you have to! The third section of the regulation states that, if you want to satisfy this regulation, you will use

SANS 10400 XA. So XA becomes the legal component. If you go to XA, it says effectively that your building

will comply with the six points that should be satisfi ed. Face north, etc. If you comply with these points, then

your building automatically complies with the regulations.

Those six points, set the level for performance. So that is the minimum requirement that all buildings in South

Africa should satisfy, come hell or high water. If, however, you cannot satisfy one of these requirements, then

the third section states that you can, in terms of regulation AZ4, look for another solution.

A quick explanation about regulation AZ4 is necessary. AZ4 states that you can comply with the regulations in

three ways. Firstly, to follow the deemed to satisfy rules, and in this case you know that the deemed to satisfy

rules are SANS 10400 XA. That is the fi rst way of complying. The second way of solving that regulation

is by getting a competent person to give you a rational design. In other words, provide a specifi c solution

to a specifi c problem. The third way is by providing a fi t for purpose certifi cate, an Agrément certifi cate.

The simplest example is of a prefabricated concrete boundary wall, which is built based on an Agrément

certifi cate. This means it is built and tested, and, therefore,you know this wall will stand anywhere in South

Africa, under all conditions. You can’t use it for a house though, but only as a garden wall. 81 84

So, in this case, we talk about energy, and this is why we talk in the Constitution of providing sustainability,

VS

30

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SolentTrading_fcp.indd 1 3/19/12 6:57:01 PM

PHILIPS.indd 1 3/19/12 6:57:47 PM

IntervIew


If we go back to SANS 10400 XA and SANS 204, if you use SANS 10400 XA, then you are following

the deemed to satisfy rules. That’s the performance described. If you cannot follow it, or you want to do

better than that, or you want to use another method, you can then go to the second way, which is to get

a competent person, somebody who knows what they are doing, and let them give you a specific solution

to the problem. But there is a provision given, in that it says that if you want to go that route, not only do

you have to perform at the level of the SANS 10400 XA, but you must use the ‘recipe’ given in SANS

204 to advise your rational design. So SANS 204 is then called up to assist you in providing you with the

methodology of how to conclude your rational design.

In this specific scenario, you will look at an Agrément certificate, which only assesses the software that is

used to do the modelling. It isn’t clear, but the people writing the software must get their software accredited

and calibrated according to the Agrément certificate. The current software packages, if you test them all on

the same building, give five different answers. What we did was to say “no, let’s have them all go through the

Agrément process”, and certain protocols were drawn up. These protocols state that all of these packages

must give a similar answer. They closed the gap between the packages, so that the results will be in the

same ball park, with figures close to each other. These are the packages that are currently used to do the

modelling, and that is where Agrément comes in.

Those are the three methods of solving the regulation’s requirements, and they will clearly indicate, if you

understand the levels of legislation, Act, Regulation, Standards, and other documents. SANS 204, although

a very good aspirational document, remains still ‘another document’, even though it has been called up by a

Standard. Maybe, in those levels, you get that the act calls on a regulation, then that regulations becomes part of

the act. The regulation can call up a standard, and then that standard becomes part of the regulation, a standard

calls up, in this case SANS 204, as a part of the SANS10400, but only in terms of a rational design.

That does not change the fact that those levels of performance, as set out in SANS 10400, don’t change in

any way. Those levels are still the minimum levels, they don’t change.

Some people now say that they will follow SANS 204 and come up with a cheaper solution than the

requirements sets by SANS 10400. If it performs thermally the same, yes, but if it does not, no. A comparison

I need to point out is, if you look at the roof truss, which is provided in the national building regulations, a

simple Howe truss, for example. It is old technology, and it uses a lot of wood, and thus it costs a lot, but that

roof truss will satisfy all the wind loads in South Africa, so you can build it anywhere in South Africa and it will

stand. But if you want to save your client money, you go to one of the monoplane roof truss manufacturers

and they will put the wind loads and the weighting of the roof and everything into their calculation software

and will then turn out a roof truss for you that is very light in timber, more competitively priced, and even

better than any other roof truss, but that is a rational design. It is a specific solution for the problem in that

situation. You can’t use that same roof truss in another area, because the wind loads are different, and the

same thing applies to XA.

ED: For clarity, the Johannesburg town planning scheme changes the occupancy of single dwellings,

if a habitable room is added or exists outside the main dwelling on the same stand, they reclassify

the occupancy to multi-unit residential. Does the town planning scheme classification overrule

the building regulations classification? If so, it changes the requirements as far as the building

regulations are concerned, especially part S. Which legislation takes precedence?

81

016, 017, 018, 026, 027, 030, 081, 084, 085, 118, 119, 138, 139.indd 84 3/19/12 10:38:07 PM

INTERVIEW


RO: Act - Regulation - Standards. Then there are other standards, and then there are codes and then there

is training material and these are the levels of jurisdiction, but next to it runs National Legislation, then

Provincial Legislation and then Local Authority Legislation. We have a three tier government system. The

acts of National Legislation always trump Provincial Legislation. Provincial Legislation always trumps Local

Authority Legislation. National Legislation is National Legislation. These are the Acts. If you go to Provincial,

there are ordinances, but this is not an Act, it’s an ordinance of that province. If you now go to Local Authority,

it becomes bylaws. They are all legislation, but at different levels. All the legislation at the lower levels fi lls

holes that the higher levels of legislation do not cover.

For example, the requirements from water affairs, fi lls a hole left by the Water Act, but it cannot overwrite

the Act. They cannot, for example, overrule the piping requirements, by specifying plastic pipes, but it does

not make it any less of a legislation. It remains legislation. With the Johannesburg town planning scheme,

part of their process is to be approved by the province. It gets approved at local metro level. Other, smaller,

local councils, like Upington, will have their town planning scheme approved by their local council, so it

will be closer to a bylaw. Johannesburg’s is an ordinance. If you look at the level of performances, an

ordinance cannot overrule a National Act. So the fact is, the Act stands, always, because that is seen as

uniform legislation throughout South Africa. The ordinances only apply to Johannesburg, so what applies in

Johannesburg cannot be made applicable to the rest of the country, but the Act applies country wide. 118

016, 017, 018, 026, 027, 030, 081, 084, 085, 118, 119, 138, 139.indd 85 3/19/12 10:42:52 PM

AMS_fcp.indd 1 3/19/12 6:58:11 PM

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Southern right ............................................................................................88

Vrede textileS ..................................................................................................89

Cape patio BlindS ..........................................................................................90

blinds, shutters and awnings

87ISSUE 5 | to Build www.mediaxpose.co.za


We supply and install blinds and shutters for the domestic, industrial and commercial markets.

Blinds: Aluminium venetians, wood venetians, vertical blinds, block-out rollers, solar film rollers, patio rollers, romans and bamboo. Service and repair all blinds.Shutters: Aluminium security shutters, Plantation wood and PVC shutters.Contact us:Cape Town: Tel: 021-702 4887Email: [email protected]: Tel: 021- 452 9363Email: [email protected]: www.srblinds.co.za

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Mac D Firehouse ............................................................................................92

Fire & Gas LiFestyLes .....................................................................................93

reaL Fires .............................................................................................................94

fireplaces and braais



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Show CupboardS ........................................................................................96

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plumblinK ........................................................................................................ 100

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ShowCupboards_fcp.indd 1 3/19/12 7:03:04 PM

EDITORIAL


When redoing your kitchen, it is important to plan your kitchen appliances in advance. This will assist the

kitchen designer in incorporating the appliances, features. They will also be able to ensure they have the

correct information at hand regarding installation, and any special features the cabinetry may require to

accommodate your selection.

Making your selection - When selecting your appliances, you must look at your lifestyle. It is important to consider

how much you enjoy cooking, how much you entertain and how big your family is. This will determine the size of

fridge, whether you choose a 60cm or 90cm oven, and whether you need a large or small hob.

You will need to decide whether you prefer to cook with gas or electric. There is a growing trend to combining

an electric oven with a gas hob. This is because gas is so clean and efficient to work with. Cost wise,

there is no longer much of a difference between the two, however, gas does tend to be quicker and more

controllable. If you choose gas, you will have to remember to replace your gas bottles and keep a spare to

ensure you don’t get caught short and run out of gas just before a big dinner party.

When it comes to oven selection, most people still opt for electricity. In an oven, electricity is more controllable,

and can go to a wider range of temperatures. A gas oven tends to offer a hotter, damper heat, and you would

need to adjust your cooking methods for this. If you entertain a lot, or like to bake, a thermofan is the best

option, as it will allow multi layer cooking while ensuring equal heat distribution.

One of the most neglected appliances is the extractor. A lot of people purchase them but make the mistake

of thinking an extractor is just an aesthetic accessory. The biggest mistake you can make is opting for price

over quality. If you want your extractor to be more than a glorified hairdryer, it needs to have a good capacity

of at least 750m3/h.

Kitchen appliances are a major investment in your kitchen. Appliance technology has come along in leaps and bounds, and selecting your appliances has become as much about aesthetics as function.

Appliances, you and your kitchenStephanie Forbes

097-099.indd 97 3/19/12 6:31:57 PM

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EDITORIAL


Another important fact that should feature in your decision is the environment. Conscientious manufacturers

are doing everything possible to reduce the environmental impact of their appliances. Look at how much

electricity and water they use, what the noise levels are, and CFC outputs. This way you can choose

products that will save you money and have minimal environmental impact.

Installation – It is vital that you get this right. Failure to do so will void your guarantee and possibly your

insurance cover. All built in ovens require ventilation in the cabinetry. If this is not done, the oven will over

heat. This could cause damage to your kitchen unit carcasses and doors, as well as burn out your elements

and thermostats.

When installing a hob, it is important to use the sealing and clamping materials supplied by the manufacturer.

These are designed to hold the unit in place while allowing for the natural expansion and contraction of the

hob and the easy removal of the hob for maintenance. It is also important that the cut out sizes given by

the manufacturer are followed. These allow for expansion. If the cut out is too small and the hob cannot

successfully expand, your hob could get damaged, and ceramic hobs could even crack.

If you have opted for a gas unit, it is vital that you get the hob installed by a registered gas installer. He will

be able to do the installation and set the simmer levels of your gas burners. He will also issue you with a

compliance certificate for your insurance. Without this, should you have a fire as a result of the installation,

your insurer will reject the claim.

The incorrect installation of integrated appliances is one of the most common reasons for under guarantee

service calls. If you have opted for integrated appliances of any kind, ensure you are dealing with a kitchen

company experienced in working with integrated goods, and approved by the manufacturer. The incorrect

installation of an integrated fridge, for example, can cause the unit to start freezing up, and cause the

compressors and thermostat to fail.

Your extractor will be completely ineffectual if not installed properly. Wherever possible, duct to the outside in

the most direct route. The longer your duct, the less effective your extractor, and the more bends in your ducting

pipe, the less effective your extraction rate. If you can’t duct, then ensure you use a carbon filter. This should be

replaced after every four hundred hours of use. The metal filters should be washed regularly too, or the unit will

clog up. It is important to note that failure to duct can reduce your extractor performance by over 25%.

It is important to note that, should you place an under guarantee service call, and the problems have arisen

from incorrect installation, the cost of the call and repairs will fall to you.

Conclusion - If you are having a new kitchen installed, try and budget for new appliances. Don’t fool yourself

that making a decision on appliances is an easy, price based one. Take time to ensure the appliances

you choose truly work for your lifestyle, while complementing your kitchen aesthetic. Ensure you provide

your kitchen manufacturer with all the information about your selection so they can stick to the installation

guidelines and protect your warranty. Finally, don’t forget to budget for the installation of the products by a

professional plumber or electrician.

Credits:

Thanks to the following KSA members for their contribution: Eurafican,

BSH and Smeg

097-099.indd 99 3/19/12 6:32:03 PM

Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking Timber & Decking

SwiSSline DeSign ......................................................................................... 102

MerenSky ......................................................................................................... 104

koMatilanD ForeStS ................................................................................ 106

itC-Sa ...................................................................................................... 108 & 109

FreeStyle DeCking ..................................................................................... 110

timber and decking

101ISSUE 5 | to BUilD www.mediaxpose.co.za


EXPOSED ROOF TRUSSES supply manufacture & install

MERCHANT spruce (pinaceae)construction timber (kvh) spruce ceiling boards (t&g) larch timber

TIMBER FRAME HOUSES construct ion of t imber f rame houses in south afr ica

STAIRWAYS & BALUSTRADES t imber & glass

FLOORING & DECKING so l id wo od f lo or ing an d

deck in g ins ta l la t ions

and su pp ly i nc lud i n g

pergo l a’ s

T I M B E R R O O F T R U S S E S s u p p l y • m a n u f a c t u r e • i n s t a l l

contact:

t e l : 0 2 1 9 3 2 3 3 4 2

f a x : 0 2 1 9 3 2 0 5 3 9

[email protected]

www.swisslinedesign.co.za … & beyond

EXPOSED ROOF TRUSSES supply manufacture & install

MERCHANT spruce (pinaceae)construction timber (kvh) spruce ceiling boards (t&g) larch timber

TIMBER FRAME HOUSES construct ion of t imber f rame houses in south afr ica

STAIRWAYS & BALUSTRADES t imber & glass

FLOORING & DECKING so l id wo od f lo or ing an d

deck in g ins ta l la t ions

and su pp ly i nc lud i n g

pergo l a’ s

T I M B E R R O O F T R U S S E S s u p p l y • m a n u f a c t u r e • i n s t a l l

contact:

t e l : 0 2 1 9 3 2 3 3 4 2

f a x : 0 2 1 9 3 2 0 5 3 9

[email protected]

www.swisslinedesign.co.za … & beyond

SwisslineDesign.indd 1 3/19/12 7:03:49 PM

EDITORIAL


Timber, when considered as a material by itself, in isolation, achieves both the greenest, and the most

sustainable results, according to the Life Cycle Analysis studies conducted throughout the world, and

in South Africa, by the CSIR. The studies reveal that timber is both natural, and renewable. It is also

documented to have the lowest Carbon footprint.

Timber flooring can be used in both interior and exterior applications. Timber flooring comes in different

types. In solid wood flooring, the grain of the timber runs throughout the depth of the element, and is

a prominent feature. Veneers are made of thin layers of wood that are bonded together with composite

materials, like plywood or particle board. Similarly, laminates are printed imitations of hardwood surfaces

that are printed onto composites. (www.gardiners.com)

Though the types of flooring differ in their application and composition, they have the same effects on the

environment as they are manufactured from the same materials (assuming that they come from the same

source.) Eva-tech decking, a member of the Green Building Council of South Africa, make composite floors

of wood fibre and recycled polyethylene. These floors are said to be low maintenance, environmentally

friendly, and they are moisture and UV light resistant.

Timber floors also make for healthier indoor environments as the oils in the wood have strong anti-bacterial

qualities. Wood also has natural insulating properties, which should be considered, depending on climatic

conditions and the area in which the building is constructed.

Every type of construction or building method used today should only be considered against the back drop of green and sustainable design. Timber flooring and decking are not exceptions.

Timber Floors Nonhlanhla Mashego

103.indd 103 3/19/12 6:32:20 PM

C

M

Y

CM

MY

CY

CMY

K

To Build Ad.ai 2 2011/12/19 5:17 PM

_Merensky_fcp.indd 1 3/19/12 7:04:29 PM

EDITORIAL


When Abe Stears, a contractor to the ITC (Institute for Timber Construction), and managing director of

South African Timber Auditing Services (SATAS), was asked for his views on the manufacturing and use of

laminated units for structural applications, this was his reply:

“South Africa is a timber-poor country. We need to look after our resources and optimise them as far as possible.

One way of doing this is to make use of laminated timber. Unfortunately, not many people know how to utilise

structural laminated beams properly. In some instances they are used in a structural application for aesthetic

reasons without knowing the load bearing ability or capacity of such units. Random tests conducted at the

University of Pretoria on laminated beams revealed that a large percentage of such beams did not comply with

the strength requirements for grade 5 as published in SANS 10163-1:2003 & SANS 10163-2:2002.

Only a few laminated timber manufacturers in South Africa are certified by an accredited product certification

body for the manufacture of laminated beams to the requirements of SANS 1460:2006. Such product is

manufactured under controlled conditions and processes, and displays information on the stress grade,

Certification mark, trade name and application class. SATAS and SABS are the only SANAS-accredited

certification bodies to carry out certification on structural laminated timber.

The manufacture of structural laminated beams complying with SANS 1460:2006 is a costly process; hence,

many contractors prefer to make use of inferior, imported or “backyard” products. If the cheaper alternative

product is used, failures could result. This would only occur a few years after construction, and, in most instances,

responsibility would revert to the owner for the repair and subsequent costs. A laminated beam is an engineered

product of which the different components have to meet certain requirements prior to assembly.

Timber from the Pinus and Eucalyptus species is normally used as laminated product. Proper drying,

grading/selection and machining are very important, and finger joints in laminated product must comply with

the requirements of SANS 10096:2009. The second component is the adhesive used to bind the laminated

product together. Adhesive systems are specially designed for use under specific application classes, from

exposed exterior, to interior dry. A structural beam manufactured with adhesive designed for interior dry use

will not last long in an exterior application, but the use of the correct adhesive and timber is worthless if not

correctly applied in the manufacturing process.

”… not many people know how to utilise structural laminated beams properly.”

Laminated beams for structural applications Fred Wagenaar

LAMINATED BEAMS FOR STRUCTURAL APPLICATIONS

1. Laminated beams in structural application 2.Testing for grade verification 3.This one didn’t make the grade marking 4. Marking example

1 2 3 4

105,107.indd 105 3/19/12 6:32:34 PM

106_KOMATILAND FORESTS.indd 1 3/19/12 7:04:56 PM

EDITORIAL


Credits: Fred WagenaarInstitute for Timber Construction - SATel: (011) 974 1061 • Fax: (011) 392 6155E-mail: [email protected]: www.itc-sa.org

Important factors and conditions such as, timber moisture content, adhesive application requirements,

(for example, press time, pot life, and spread rate), are vital to ensure a quality end-product, and this is

only possible if proper production control measures are maintained. Once the manufacturing process is

complete, grade compliance needs to be verified or established. This is achieved by means of a proof load

test (see attached picture). Adhesive bond integrity tests are performed on small samples to determine

compliance in the total manufacturing process. The use of laminated beams in a structural application,

without traceability and product certification, is a recipe for disaster. Therefore, engineers, architects and

designers have to insist on graded, certified products when it comes to structural applications.”

Table 1:- SANS Requirements that are applicable to Laminated Beams

Structural Timber Standards

Specification Description

SANS * 1783 Part 2 Structural Timber

SANS * 1783 Part 4 Brandering and battens

SANS 1460 Laminated Product

SANS 1707 Eucalyptus Brandering

*Product needs to carry and reflect the grading mark i.e. S5, Certification Mark, Mill’s Trade Mark and, if

contains a finger joint, the letters FJ at joint. These markings need to be clearly mark on face of product

at 1 metre intervals.

Structural Timber Grading (see attached picture -S 5)

Grade 5

Grade 7

Grade 10

Graded using three different methodology

1. Visually

2. Mechanically

3. By ways of actual proof

105,107.indd 107 3/19/12 6:32:42 PM

ITC – SA.indd 108 3/19/12 7:05:40 PM

ITC – SA.indd 109 3/19/12 7:05:53 PM

FREESTYLE DECKING.indd 1 3/19/12 7:06:12 PM

Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories Bathrooms & accessories

Gerberit ............................................................................................................ 112

iSCA ...................................................................................................................... 114

bathrooms and accessories

111ISSUE 5 | tO bUiLD www.mediaxpose.co.za


Geberit.indd 1 3/19/12 7:06:42 PM

EDITORIAL


If you’ve ever played under a sprinkler in the garden as a child, or stood under a waterfall, you have

experienced an outdoor shower. If you have visited a sea side resort, or one of our public beaches, you

would have also come across one of these novel showers.

Closer to home, outdoor showers are also making their appearance more and more as part of residential

developments. They are provided mostly at pools, to rinse off the pool water, or to rinse off grass and dirt

before jumping into the pool. Furthermore they form part of private courtyards, where the owners can

experience a shower in open air, which is the closest most will come to that ethereal feeling of being one with

nature. It also enhances the Indoor-Outdoor experience as described on page 33 of this issue.

“A shower outdoors is one of those things that seems odd at first, but when people see them at someone

else’s place, they end up wanting them for their own backyard. We also get a lot of people who come home

from a rental where they had one, and it’s the first thing they want at home when they get back,” says

Ross Sicote of Walpole Woodworkers, a firm specialising in custom yard and garden features on

http://www.bobvila.com.

You will need to consider the connection to the sewer system, as current legislation does not allow rain or

storm water, oils or sand into the municipal sewer system, and care must be taken when designing one of

these showers.

Outdoor showers – for some a necessity (reduced maintenance costs); for others a spiritual experience (to

become one with nature), they add to the character and the personal experience within the built environment.

If done well, it can be a feature that many will talk about.

Getting back to nature

113.indd 113 3/19/12 6:32:57 PM

114_ISCA.indd 1 3/19/12 7:07:03 PM

Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite Marble & Granite

Caesar stone ........................................................................................116, 117

rudi’s ChoiCe ................................................................................................ 120

marble and granite

115ISSUE 5 | to BuiLd www.mediaxpose.co.za


+27 (0)83 608 5810 www.caesarstone.co.za

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116-117_Ceasarstone.indd 116 3/19/12 7:07:19 PM

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Quartz is more than beautiful. It is also one of nature’s strongest minerals. We get creative with our quartz developing surfaces that offer you design freedom with almost unlimited application possibilities.So go on, design your dream with Caesarstone.

116-117_Ceasarstone.indd 117 3/19/12 7:07:25 PM

INTERVIEW


Now we sit with a situation where Johannesburg went and said, in their town planning scheme, that we

have a traditional site with a house and the necessary out buildings. This is how the old wording in the

town planning scheme was. Now they came and said that these outbuildings create a problem. These

outbuildings now become subsidiary dwellings, but as soon as they said subsidiary dwellings, the name

changed, but it also changed the defi nition.

In the title deeds, which are another set of legislation, maybe only one dwelling is allowed per stand. With

the town planning scheme changing, those title deeds then kicked in and said you cannot do that, as you are

only allowed one dwelling. They are now promoting second and third dwellings on the same property. You

must fi rst change the title deed, according to legislation. The same thing applies here, you sit with a defi nition

that says a house is a house, but, by the fact that you now change the name to two subsidiary dwellings, it

now becomes multiple units. Therefore, the new legislation kicks in, the National Legislation kicks in.

The house must comply with the legislation. As soon as you add a ‘granny fl at’ (or a subsidiary dwelling), the

‘granny fl at’ must comply with the regulations and, according to Part S, it must be disabled accessible, with a

ramp and disabled toilet. So automatically, it has to comply. The fact is that the existing house does not have

to comply. If it is a new development, either can comply with the legislation, as required through part S.

ED: Can you please expand on Part XB and any further parts that might follow under part X dealing

with sustainability? You previously mentioned possible parts XC and XD.

RO: All these parts will fall under Part X, which deals with sustainability. Water is currently the most critical,

which will be following part XA. XB will deal with water usage, which would deal with how to use water

sustainably in the built environment, dealing with the recycling and harvesting of water. In the next 5 to 10

years, this part would be incorporated into the other parts that deal with water in the building regulations,

similarly, the glazing requirements from XA will be incorporated into part N, as an example.

85

016, 017, 018, 026, 027, 030, 081, 084, 085, 118, 119, 138, 139.indd 118 3/19/12 10:38:54 PM

IntervIew


We will, in future, look at other areas that contribute to the deterioration of the environment, like dealing with

building construction waste, which we envisage as becoming Part XC. The reason why we are considering

construction waste only, and not waste in general, is that there is other legislation that deals with general

waste, but construction waste forms part of the build industry and therefore, it falls within the ambit of the

building regulations. Another possibility is container usage, using containers as part of the built industry, and

so reducing the quantity of virgin materials being used. This could possibly be part XD, but there has been

no decision taken regarding any further parts, other than part XB.

ED: Lastly, can you please elaborate on the professional responsibility relating to forms 1 to 4 of part

A, and the implementation thereof by the local councils.

OR: Forms 1 to 4 are compulsory as they form part of the Act. If you submit a building plan, forms 1 to 4 must

be used. Form 1 - this is simply an expanded version of the submission forms that were always required.

Some people who submitted plans would appear in court and then indicate that they did not know they had

to take responsibility for the compliance with the regulations. The prosecutor then tells them that they have

been contracted as a specialist, and that they automatically become responsible for complying with the

regulations. So, instead of this surprise, we changed the form to warn all upfront, and that they now know

about these responsibilities.

As a qualified architectural professional who submits building plans, it is your responsibility that you take

the legislation and apply it. Basically you are stating, “I have applied my mind regarding Part A”, “I have

applied my mind regarding Part B”, “I have applied my mind regarding Part C” and so forth. If I may state

that part B is an easy one, and XA is another easy one. As far as part B is concerned, when it comes to the

architectural professional, it states that you must use the principles stated in part B to make a house safe,

and the professional is aware that there is a beam, which he stated must be designed by an engineer, then

the architectural professional cannot be held responsible for that portion, as there is someone else who took

that responsibility. The engineer then says that he takes responsibility for that part.

Every part where you don’t indicate that you are complying through the deemed to satisfy rules, must

have a competent person appointed, who will take that responsibility. The competent person then states

automatically that he does the design and accepts the relevant responsibility.

The architectural professional is not taking any additional responsibilities. They always had it. They just

never realised it, until the pawpaw hits the fan, and then the court informed them that they must pay as it

was their responsibility. This also means that they are foolish if they cut their fees, because that is what they

are responsible for.

There is, however, something new that is coming through now with part XA. Through part XA, we, for the first

time, enabled an architectural professional to be a competent person. In other words, he may now break away

from the standards, where previously he had a bunch of tick boxes that he had to go through, now for the first

time he can apply his mind to the solution. It fits completely in his field, as it has to do with orientation, and

shading and screens and all the nice tricks that architects have in their toolbox, they are now forced to use. Those

things that developers always refer to, and say remove, as it costs money, are now put back through legislation.

It is a good reasons to use all these things, to achieve energy efficiency. But this, fortunately, means that the

architectural professional will now be seen as a knowledgeable person in that field, but the jury is still out, as

these professionals will now say that, if they take that responsibility as well, then they need additional payment. 138

016, 017, 018, 026, 027, 030, 081, 084, 085, 118, 119, 138, 139.indd 119 3/19/12 10:43:13 PM

120_INTERNATIONAL SLAB SALES.indd 1 3/19/12 7:07:53 PM

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Medal Paints ................................................................................................. 122

B-earth .............................................................................................................. 124

dekade Paints .............................................................................................. 126

paint and decorative coatings

121ISSUE 5 | tO BUild www.mediaxpose.co.za


LOW

E B

ULL 313973/E

/TW

MEDAL PAINTS_fcp.indd 1 3/19/12 7:08:12 PM

EDITORIAL


The conscious handling of colour, in the early stage of any creative process, is necessary for the colour to

be perceived as an integrated part of the whole. Colour interacts with form, scale and material, to complete

the architectural or design experience. Therefore, an analytical, pragmatic and emotional attitude to colour

is key, when striving towards colour-attuned architecture.

Further, it is essential for a designer or colourist to create a good colour environment for their work by

thinking in colour, to view colour as only one of the appearance factors of what they are trying to achieve,

and to use colour as a means of attaining goals.

Choosing colours for a building is an intricate process which requires both inspiration and knowledge, and

there are many questions which the creative person must ask. How does the colourist get his/her vision?

What ideas and values control the work? How is knowledge about the appearance of the surroundings

documented? What position should a designer adopt towards the unknown, and towards how humans are

mentally influenced by colour? What is colour proportioning? How does one think and communicate about

the appearance of colour in architecture? How does one travel from a colour vision to a colour-determined

reality? How is one’s choice communicated so that a procurement department clearly understands, and so

that the manufacturer reaches exactly the desired appearance?

With NCS[1], it is easy to use intuition and to keep the colour

design process scientific. NCS is a specific notation system

which ensures that sample colours created in Germany, Sydney

or Japan are all identical.

Let’s consider the fabric swatch above

(‘Richmond’, from Fabric Library)

Here, the background fabric colour could be described as S2030-

Y20R (a mustard yellow) meaning that it has 20% blackness, 30%

chromaticness[2], and a hue of 80% towards yellow and only 20%

towards red. If you then had to match the colour background to a

paint swatch, you would get a straight yellow, but what NCS offers

is both the inherent and perceived colours – the colour you would

have chosen after long deliberation and endless paint swatches.

In other words, we could choose different levels of detail for our

vision and establish that the lawn as a whole does not have the

same colour as a single blade of grass.

Choosing colours for a building is an intricate process which requires both inspiration and knowledge…

An early understanding of colour is essential to design Lisa Taylor

123,125.indd 123 3/19/12 6:33:30 PM

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B-Earth.indd 1 3/19/12 7:08:30 PM

EDITORIAL


References:1. The Natural Color System®, The international language of colour communication.2. Chromaticness corresponds to the hue and saturation[6] of a colour. The higher the chromaticness

the more saturated the colour is. 3. Hue describes the relative amount of the two nearest chromatic elementary colours that the colour

is perceived to contain. 4. Opponent Colour Theory formulated by Ewald Hering in the late nineteenth century is the model

on which the NCS System is based. Red-green, blue-yellow and black-white are called opponent pairs. This means that a colour cannot be perceived as both reddish and greenish at the same time. Colours can however be perceived as reddish-yellow or reddish-blue. The transmission of colour signals to the brain is thought to be conducted according to the opponent colour theory.

5. Nuance describes a colour’s relationship to black and to maximum colour intensity or chromaticness. The other element needed to describe a colour would be the hue. Colours that have the same nuance but a different hue will be found in exactly the same location of the NCS Colour Triangle.

6. Saturation is the term used to describe the strength of a hue, or the purity of a colour. Colours with the same saturation are found along a straight line through the black point (S) on the NCS Colour Triangle.

By using the notation S2030-Y20R, we know that all the colours from the Y20R hue[3] range will be harmonious,

and so any of the 63 colours on the hue will work very well. NCS can help the colourist or designer easily

achieve an array of complementary colours in their design, with the help of the complementary scheme, the

monochromatic scheme, and the analogous scheme, and this is only a small portion of what is available.

Here are a few examples to get a clearer picture of exactly how NCS

ensures consistency of colour.

Complementary Scheme:

Choose any direct opposites on the NCS colour circle. Did you know that

if you look at a colour long enough, and then look away, you will see its

complement?[4] We know that the complement of yellow is blue and the

complement of red is green, but NCS takes it one step further by stating

exactly what colour is meant, by saying Y20R is the complement of B20G.

Monochromatic Scheme:

Using any one hue with its nuance[5] will give one a monochromatic

scheme, and so Y50R, with any of the nuances which are blackness and

chromaticness, will achieve this.

Analogous Scheme:

An analogous scheme can be achieved by using any three hues or nuances on the NCS Colour space for

example R80B R70B and R60B.

With the 1,950 NCS sample colours you have the ability to create 400 000 000 different colour combinations

with a simple four colour combination. The scientific approach enhances the creative process and instinctive

selection, and it can be compared against the rules and categories of the NCS system.

To consider that the relationship between colour and architecture is a result of an intentional will to create, it

is necessary for the colours and shapes to have some kind of relationship with each other. Colour reinforces

shape and can be made sub-ordinate to the shape expression. So, to create a harmonious room experience,

it is often a question of balancing uniformity and variation.

123,125.indd 125 3/19/12 6:33:40 PM

126_DEKADE PAINTS.indd 1 3/19/12 7:08:44 PM

Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security Security

Maxidor ............................................................................................... 128 & 129

robo door .................................................................................................... 130

security

127ISSUE 5 | To bUiLd www.mediaxpose.co.za


OUR STRENGTH IS YOUR SECURITYOUR STRENGTH IS YOUR SECURITY

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OUR STRENGTH IS YOUR SECURITYOUR STRENGTH IS YOUR SECURITY

128-129_MAXIDOR.indd 129 3/19/12 7:09:50 PM

Bobby Hayes082 888 1919

130_RoboDoor .indd 1 3/19/12 7:10:16 PM

Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture Furniture

S A WAllbedS ................................................................................................... 132

WoodcreAtionS ........................................................................................ 134

furniture

131ISSUE 5 | to bUild www.mediaxpose.co.za


SAWallbeds_fcp.indd 1 3/19/12 7:10:38 PM

EDITORIAL


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When we consider furniture, we look at colour, style, comfort and practicality. These were not qualities that

one easily found in old furniture. If we think back to those riempies chairs and benches that used to form

part of our grandparents, households. Thoughts of pain, from sitting so upright, come to mind. Old cabinets

and cupboards bring about memories of solid timber furniture, and moving these items was always difficult

because of their weight.

The amazing thing about these old pieces of furniture is twofold. Firstly, they had character, a certain romantic

feel about them. Secondly, these pieces lasted, because of the sturdy way in which they were assembled.

They could take the punishment that came their way.

Thanks to this way of manufacturing, we still have many pieces of furniture from that era, full of character... and

history. They are passed down from generation to generation, and adorn many a lounge and dining room.

Some of these are worse for wear and giving them a fresh coat of varnish, or even touching them up with

a coat of paint, if you don’t prefer the wood look, could turn an old piece of furniture into a unique item that

compliments your style. Especially if it is still in a working condition, or can be refurbished.

“So what does this have to do with sustainable design?” you ask. Not much, but by re-using old furniture

pieces, you reduce the amount of waste to landfill. Inadvertently you also reduce the usage of virgin raw

materials, as well as reduce energy consumption, which would have been required to manufacture new

furniture. Further, there would be a reduction in transportation, which reduces air pollution as well as a

reduction in fuel consumption, which is from a non-renewable resource. And the list carries on.

This gives us a good indication of the domino effect that recycling brings about. With that in mind, maybe

having a second look at Grandma’s antique furniture is necessary, especially from an application point of

view, as we are all looking at it with sentimental eyes already.

The built environment goes much further than just the building itself. A big portion of what enables us to use the buildings we have, is made up by furniture. What about the sustainability of furniture then?

Recycling furniture & antiques

When do you and your colleagues feel at your most productive?

All around the world, people are developing offices that make them feel and work better. If that sounds like the sort of thing you would like for your own offices, the first step is to get in touch with us or our local partners. We‘ll be delighted to discuss with you how Sedus furniture and accessories can help you to achieve your own Place 2.5

www.sedus.com

WOODCREATIONS.indd 1 3/19/12 7:11:10 PM

ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors ConstruCtion & ContraCtors

RoycheR constRuction .......................................................... 136 & 137

sAisc .................................................................................................................... 140

construction and contractors



136-137_ROYCHER CONSTRUCTION.indd 136 3/19/12 7:11:46 PM

136-137_ROYCHER CONSTRUCTION.indd 137 3/19/12 7:11:56 PM

INTERVIEW


Similarly to appointing an engineer for a beam design, they will now appoint a knowledgeable person to

design the energy usage component. In the short term, I think this will be the case, in the long term, however,

architects will be educated at university to comply with this new legislation. Then it will become part of their

toolbox, automatically. I hear everyone say that we now need more fees, maybe they’re entitled to them, and

on the other hand, we did these designs in our fi rst and third year. It was part of our course, you should just

charge the fees that you are supposed to, and that is where it comes in.

Form 2, is the form that you complete to apply to the local council to be acknowledged as a competent

person. This means that, if you’ve never done an energy effi cient design, and the law now says you can be

declared competent, and you are going to submit a building plan that apparently is energy effi cient, then you

must be certifi ed that you can do energy effi cient designs.

Currently SACAP has no way of doing this, neither does any of the voluntary associations, so we, at the

NCRS, were forced to step in and to protect the building control offi cials, state who is competent and who

isn’t. We have people from various VA’s presenting courses that force people to know the legal requirements,

because that is all we are interested in. We cannot go and tell people which bricks to use, or what colour

119

016, 017, 018, 026, 027, 030, 081, 084, 085, 118, 119, 138, 139.indd 138 3/19/12 10:39:13 PM

INTERVIEWpaint to use, we can only ask if you know the law, and if you know the law, then you are on your own. You

then take responsibility for the act.

That is where we are now, in the meantime. We don’t want to be in this position, we will step out as soon

as people take over the responsibility. What is happening now is that SAIAT provides their own training and

they take responsibility for it, PIA is doing the same and so is the CIA. GIfA also now want to do this, and we

are happy with these developments.

The more people who can do this training, and make it their own, the better, but remember that you are now

providing a specialist solution by providing a rational design, that solution can change as the construction

takes place. If you change the solution, then you must do a new rational design, as the rules will have

changed. When the building is fi nished, then you must certify that this building was built in terms of the

calculations of your specialist solution.

Form 3 has always been the engineering form. Before you obtain an occupancy certifi cate, you indicated

there was an engineer on site and the building inspector would ask for the engineering certifi cate. It is now

the same here, you are a competent person and, in that light, will be asked where your certifi cate is.

This does not mean that you have to go through the whole 6 stages of the building process, but that you

must, before issuing of an occupancy certifi cate, ensure that you get back on site, and confi rm that the

client did not change anything, as he contracted you to provide a specialist solution, and if he did change

the solution, then you cannot take responsibility for it. You will get nailed for it. At that stage, it is your

responsibility to inform the local council that you withdraw your rational design as the owner deviated from

the design. He must then get a new person, if you are no longer involved, or you must do a new rational

design that matches the new scenario. The local authority must also be able to apply this.

Form 4 is effectively the engineering form, as previously used, stating that the design complies after

construction.

We at TO BUILD trust that the above provides some clarity regarding the implication and application

of the new National Building Regulations and deemed to satisfy requirements contained in the SANS

10400 series of documents. We will be providing more information in this regard in our next issue.

The sustainable benefi ts from implementing energy effi cient design can be found in our article on

page 156.

Included in an open letter to all professionals,

the following was included as the role of the NRCS:

THE END

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SAISC.indd 1 3/19/12 7:12:16 PM

Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving Bricks & Paving

ClaybriCk assoCiation .......................................................................... 142

Corobrik ......................................................................................................... 143

all briCk .......................................................................................................... 146

bricks and paving

141ISSUE 5 | to bUilD www.mediaxpose.co.za


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142_CLAYBRICK ASSOCIATION.indd 1 3/19/12 7:12:34 PM

Coro000744_To_Build_4.indd 1 2012/02/09 2:42 PM143_Corobrik.indd 1 3/19/12 7:12:55 PM

EDITORIAL


Unlike in the past when the competition categories were product-based, this year the emphasis is on the

core values and standards on which precast concrete products and applications are measured, and the new

award categories reflect this.

These are as follows:

Aesthetics; Sustainability; Community involvement; Technical excellence; Innovation; Vintage

Besides the new categories, the number of awards has been halved from 36 to 18. Moreover, the three-

tiered structure comprising regional awards and ceremonies, national awards and five trophy awards has

been dropped. It is being replaced by a single streamlined ceremony in which trophies are awarded to the

overall winner of each category; in addition three commendation awards per category will be made.

CMA director, Hamish Laing, says that each category is open to entries from any construction project, providing

one or more precast concrete product, manufactured by a CMA member, has been used in its implementation.

Coinciding with its 40th anniversary celebrations, the Concrete Manufacturers Association (CMA) has announced that its 2012 Awards for Excellence competition will be run on an entirely new basis.

Cma adopts fresh approach to awards for excellence David Beer

144-145.indd 144 3/19/12 11:07:17 PM

EDITORIAL


Images from the 2010 entries are depicted, courtesy of

www.cma.org.za

“Entries will be judged on the contribution that precast concrete elements make in one or more of the

competition’s categories. In other words the same project could be entered for more than one competition

category. For example, a township paving project could be entered into several if not all six categories.”

Laing says the standards on which the award entries will be judged this year will be as high if not higher

than they always were, and awards will only be made if the quality of entries meet competition criteria. “In

instances where standards are not sufficiently high, awards will be withheld,” says Laing.

Commenting further, Laing says that an awards entry book won’t be published this year. Instead all entries

will be posted on the CMA’s website and on Facebook. As in previous years a winners’ book will be

published and distributed immediately after the Awards which will be staged jointly with the Association’s

40th anniversary celebrations, on 3 November 2012, at the Indaba Hotel in Johannesburg.

“The event presents an outstanding opportunity for all professionals involved in the manufacture and

application of precast concretes to establish themselves as trendsetters in their specific disciplines and to

gain national recognition for their achievements,” concludes Laing.

The deadline for entry submission is 29 June 2012, and judging by construction-related professionals

will take place in July. Award entry forms together with the competition rules can be downloaded from

www.cma.org.za.

144-145.indd 145 3/19/12 11:07:25 PM

146_ALL BRICK.indd 1 3/19/12 7:13:21 PM

Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete Cement & ConCrete

ConCrete ManufaCtures assoCiation ...................................... 148

roCla ................................................................................................................. 150

CeMent & ConCrete institute .......................................................... 152

saPY ..................................................................................................................... 152

cement and concrete



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148_CMA.indd 1 3/19/12 7:13:37 PM

EDITORIAL


Laing says modular masonry, using concrete blocks, forms the backbone of The CMA House. “The

major difference between modular and non-modular masonry lies in the detail, especially in the plans and

schedules. Besides the walls, doors and other dimensions, the plans detail each and every block used.

This reduces the need for odd-sized units and the associated wastage of time and materials so prevalent in

non-modular masonry.”

The Concrete Manufacturer’s Association (CMA) is offering architect-designed plans for a 40m² subsidy house, at no charge, to anyone wishing to use them. Dubbed ‘The CMA House’, it is an initiative which, if adopted by the construction industry, will improve the quality and building productivity of subsidised housing dramatically. The project was officially launched by CMA director, Hamish Laing, at the South African Housing Foundation Conference in September.

Free user-friendly, architect-designed, subsidy-housing building plans David Beer

Two plan options of The CMA House, both of which are available, at no charge, from the CMA.

149,151.indd 149 3/19/12 6:34:21 PM

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EDITORIAL


The CMA House or, more accurately, two houses, were designed, by an architect, using two different

masonry units, one used largely inland, and the other in coastal regions. The inland set is based on the

290x140x90mm solid block. The coastal set is based on the 390 x140x190mm hollow block. The 140mm

width of both units provides enough structural integrity, based on the SANS 10400-K standard, and is more

economical than the 230mm width of a standard wall.

Each CMA house plan includes; a full set of drawings, a normal raft foundation or an alternative Agrément-

approved precast concrete hollow-core option, modular masonry, and concrete roof tiles. The plans

also include; schedules for block-cutting and for matching door and window frames to masonry units,

recommendations on waterproofi ng external wall surfaces, and some energy-effi ciency options.

Laing says a double storey version of the CMA house is also on the cards, and two experimental houses

have already been erected as part of the Housing and Home Warranty Conference Legacy Project in Cape

Town.

Both sets of drawings on The CMA House are available on the CMA website www.cma.org.za.

Superior strength, one of the facets of the CMA House, is graphically illustrated in this caricature, which is being used to promote the house.

149,151.indd 151 3/19/12 6:34:44 PM

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152_SapyToBuild_fcp.indd 1 3/19/12 7:14:15 PM

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PersPex sA ........................................................................................................ 154

Turf-Ag IrrIgATIon ................................................................................... 155

Archwood ProTecTIon ....................................................................... 158

eTIcon consTrucTIon .............................................................. 160 & 161

rV TechnologIes ........................................................................................ 162

green building

153ISSUE 5 | To BuIld www.mediaxpose.co.za


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154_PERSPEX SA_fcp.indd 1 3/19/12 7:14:44 PM

Turf-AG_fcp.indd 1 3/19/12 7:15:04 PM

EDITORIAL


Our Constitution states, in the Bill of Rights, clause 24(b): “…to have the environment protected, for the

benefit of present and future generations, through reasonable legislative and other measures…” This places

a social responsibility on us, the current generation, to ensure an environment for our children, and their

children, that is the same as we have. To ensure we achieve this, we not only need to change the way we

live, but also need to change the way we build, especially as the built environment has been earmarked as

the industry that could effect this change the fastest.

The environmental benefits of sustainable design are far reaching and we break them down into the various

categories of sustainable interventions here.

Sustainable Siting:

• Through good site selection, especially re-using brownfield sites, the use of virgin resources are decreased,

as well as threatened species and wetlands are protected. This further increases the remediation of the

brownfield sites. This also reduces erosion and flood damage through the re-establishing of these sites.

Stormwater runoff into natural systems is reduced, which further reduces potential damage caused by

flooding and erosion, benefiting the community further away from the site.

• Selecting the best site, that provides you with the best location and condition, and a design that reduces

the energy consumption and emissions, due to optimal orientation. Further, through dealing with the

landscaping in accordance with indigenous and, especially, local plant species, you restore the ecological

value of the site, which will increase the microclimate and eco system in the immediate vicinity of the

development as well as reduce water consumption.

The environment, and its accelerating deterioration, was the trigger that led to the development of sustainable design. With this in mind, we focus on the environmental benefits that sustainable design delivers. The third, and last, of the ‘triple bottom line’, referred to in the first in our series on the Benefits of Sustainable Design, in Issue 3 of TO BuILD.

Benefits of Sustainable Design: Environment

Think about the generations and to say we want to make it a better world for our children and our children’s children. So that they know it’s a better world for them; and think if they can make it a better place. Heal the world – Michael Jackson

EDITORIAL


• Using location as a site selection criterion, for example, near public transport systems, reduces air

pollution and usage of resources, through a reduction in private vehicle use. The need for additional

roads that might need to be built is reduced.

Water Efficiency:

• In our discussion with the NRCS technical advisor, he indicated that regulations regarding water usage

are well under way. The efficient use of water, through waterless urinals, dual flush WCs, reduced flow

nozzles on taps, and other interventions, reduces the use of potable water and the demand on the

current water networks. It further reduces waste water runoff, as well as energy required for waste water

treatment plants, the benefits of which are listed below.

• Recycling grey water and harvesting rain water, will further reduce the demand on the fresh water

resources that are available, increasing the availability of this natural resource for future generations.

Energy Efficiency:

• Part XA of the National Building Regulations deals extensively with energy usage. The benefits of energy

efficient design, however, go much further than just reducing your electricity bill. It also reduces the

use of fossil fuels, which are not a renewable resource, extending the expected period this will remain

available. CO2 emissions are reduced due to the manufacturing process of electricity and reduced

transport requirements of the fossil fuels. This significantly benefits the environment.

• By reducing light pollution through the effective use of lighting, you not only preserve the nocturnal

habitat, but also reduce energy consumption as you do not consume electricity to light up the sky.

Sustainable Materials and Resources:

• Recycling materials, and using sustainable materials, reduce waste that needs to go to landfills, as well

as reducing the strain on virgin natural resources. The effects of landfills are becoming more apparent

as there are indications that rainwater siphoning through the landfill, poisons groundwater, which is often

used for potable water. By reducing the waste to landfill, we not only protect the local ecology, but also

reduce the effect on ground water sources.

• Sourcing materials and resources locally, reduces transportation requirements, which, in effect, reduces

energy consumption, as well as pollution levels, caused by long transportation distances.

• Using “green” products also reduces the pollution, waste, water contamination and energy consumption,

which benefits the environment as listed already.

• Using renewable resources, especially rapidly renewable materials, will reduce the use and depletion of

long-cycle renewable resources, increasing forest management and biodiversity.

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158_ARCH WOOD PROTECTION.indd 1 3/19/12 7:15:29 PM

EDITORIAL


Indoor Environmental Quality:

• Avoidingvolatilecompoundsandformaldehydeinconstructionproducts,willreducetheemissionstothe

atmosphere,whichimprovestheindoorenvironmentandtheatmosphere.

• Daylightingandefficientlightusagereducesenergyconsumptionwiththebenefitsstatedaboveaswell

ascreatinganimprovedworkingenvironment.

Commissioning, Operation & Maintenance:

• EnergyefficientHVACsystems,whichalsodonotuseozonedepletingorglobalwarmingrefrigerants,

contributetotheprotectionoftheozonelayerandreduceglobalwarming.Thesesystemsalsocontribute

tobetterindoorenvironmentalquality.

• Good operation and maintenance of the building, reduces the air pollutant emissions, which also

contributestoabetterindoorenvironmentalquality.

• Usingnaturalcleaningproductsreduces

chemical influx into the environment,

whichcouldleadtopoisoningthenatural

water courses, waste water, and the

indoor environment, because of volatile

compounds.

The above benefits exclude the additional

benefits from sustainable construction

methods,whichreducedustmatterintothe

air,thelossoftopsoilandthesedimentation

of storm water systems. Good site

management also protects trees and other

vegetation,whichensuresthenaturalhabitat

ofthelocalecosystem.

It is ineverybody’s interest to implement sustainabledesign interventionsas faraspossible, especially

to protect the environment for future generations. However, it appears that, generally, the change to

sustainabilityremainsaslowanddifficultoneformostwithintheindustry,whichiswhyweseemoreand

morelegislationbeingimplementedtoensurethatwedoconsidertheenvironment.

Ifwedonotstartthechange,wewillbefacingmoreandmorestringentlegislationcomingin,tocontrolthe

industry.Theresponsibilitylieswitheachandeveryoneinvolvedinthebuildenvironment.

What about sunriseWhat about rainWhat about all the thingsThat you said we were to gain... Earthsong–MichaelJackson

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160-161_EticonConstruction.indd 161 3/19/12 7:16:20 PM

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Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate profiles Corporate

NHBRC ...................................................................................164, 165, 166 & 167

ARCeloR MittAl .............................................168, 169, 170, 171, 172 & 173

corporate profiles

163ISSUE 5 | to BUilD www.mediaxpose.co.za



CORPORATE PROFILE

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CORPORATE PROFILE


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Pictorial


SaFloK 410 launch at Spier Estate

out and about

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Pictorial


out and about KSa affiliate meetings

KSa Year End Function in cape town

Left: Johannesburg

Below: Cape Town

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PO BOX 96, Maitland 7404

Tel/fax: 021 593 8063Mobile: 082 441 4696

email: [email protected]

WATERFRONT POOL RENOVATION

Fibreglass Coatings CC CK91/22955/23

176_WATERFRONT POOL RENOVATIONS.indd 1 3/19/12 7:17:03 PM

SA BUILDING REVIEW is a national annual resource handbook with its central focus on the identity of building products and services within the built environment in South Africa. It allows the supplier and manufacturer the opportunity to be identifi ed and exposed in a more detailed and comprehensive manner to the building, architectural and design industry.

The content is focused on advertorial, therefore giving it a more informative and personal approach to the targeted audiences. “An advertorial is an advertisement that is written and presented in the style of an editorial or journalistic report” This allows the reader more insight and knowledge of the products and services offered.

BOOK NOW AND PAY IN 2013For further Information please contact Shaun on:021-433 1349 / 072 365 [email protected]

BUILDINGREVIEW

SAREVIEW ANNUAL ARCHITECTURAL RESOURCE HANDBOOK

177_SA Building Review.indd 1 3/19/12 7:17:29 PM

Student deSignS


An interesting trend noticed during the student design competitions in recent years, has been the rise of the design standard of the universities of technology as well as independent design schools. BHC School of design in Cape town is an example of this development. they had finalists in both the Pg Bison Student design Competition, and the Ceaserstone Student design Competition.

BHC School of Design, Cape Town

Fio

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field

–

Res

taur

ant +

Coo

king

Sch

ool

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Student deSignS


Hendre Bloem – Restaurant + Cooking School

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Student deSignS


Jenn

i-Jan

e F

udge

– R

esta

uran

t + C

ooki

ng S

choo

l

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Student deSignS


Saskia Bouwer – Caesarstone Competition

Tarquin vd Westhuizen – Caesarstone Competition

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LISTINGS: ArchITecTS


Company Name: VAN BILJON BARNARDO ARCHITECTS

Contact Number: 021 914 4945E-mail Account: [email protected] Address: www.vbba.co.zaCompany Description: We strive for contemporary design

solutions that are client specific, site sensitive and environmentally responsible.

Company Name: FRANCOIS MARAIS ARCHITECTSContact Number: 083 226 7577E-mail Account: [email protected] Address: www.fmarchitects.co.zaCompany Description: Commercial and upmarket residential

Architects.

Company Name: PRISM ARCHITECTSContact Number: 015 296 4570E-mail Account: [email protected] Address: www.prism-arch.co.zaCompany Description: Architects, space planners, interior

designers and project managers

Company Name: LOUISE WILEMAN ARCHITECTURE & INTERIOR DESIGN

Contact Number: 021 913 6200E-mail Account: [email protected] Address: www.lwarch.co.zaCompany Description: Specialist in residential architecture,

exceptional design, project management and service excellence.

Company Name: RICHTER & ASSOCIATES ARCHITECTSContact Number: 012 460 6293E-mail Account: [email protected] Address: www.r-aa.co.zaCompany Description: A dynamic South African architectural firm,

specialising in private, commercial and industrial architecture. Offering architectural design, interior design & decorating as well as landscape design.

Company Name: OSMOND LANGE ARCHITECTSContact Number: 0861 652 643E-mail Account: [email protected] Address: www.o-l.co.zaCompany Description: Mixed-use urban design • Airports •

Corporate and Commercial offices • Retail • Health • Industrial sports facilities • Residential • Multi-modal transport interchanges • Greenstar accredited • Education

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LISTINGS: INTerIor & exTerIor Décor / DeSIGN

Company Name: OBBLIGATOContact Number: 031 701 6565E-mail Account: [email protected] Address: www.obbligato.co.zaCompany Description: Contemporary furniture for retail,

commercial and corporate environments.

Company Name: DSMContact Number: 011 964 2995E-mail Account: [email protected] Address: www.dsm-sa.co.zaCompany Description: DSM Masonry, South Africa’s premium

manufacturer of architectural masonry blocks, retaining walls, building material and landscaping products.

Company Name: UNIQUE STONE & GARDEN DÉCORContact Number: 021 987 2589E-mail Account: [email protected] Address: www.uniquestone.co.zaCompany Description: Supplier and manufacturer of sandstone,

wall cladding, cobble pavings’, flagstones, stepping stones and garden furniture.

Company Name: HEIDI JAGER INTERIOR DESIGN CONSULTANT

Contact Number: 021 447 7288 l 083 269 5087E-mail Account: [email protected] Address: www.heidijager.co.zaCompany Description: Heidi Jager Interior Design Consultant

offer a complete turnkey design service, including all aspects of a contract, such as project analysis, creative design, shop fitting and project management.

Company Name: SILK BY DESIGNContact Number: 031 569 1446E-mail Account: [email protected] Address: www.silkbydesign.co.zaCompany Description: Silk by Design is an importers and

distributors of fake flowers, orchids, trees and shrubs and supply retailers, architects and designers.

Company Name: STYLE DÉCORContact Number: 087 941 3889E-mail Account: [email protected] Address: www.styledecor.co.zaCompany Description: We manufacture, wholesale & retail, a wide

variety of ornamental product for building, garden & interior applications. Products are manufactured using materials such as concrete, fire & textile cement, GRC and fiberglass.

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LISTINGS: CoNTraCTorS


Company Name: Rocon BuildingContact Number: 011 466 0811E-mail Account: [email protected] Address: www.rocon.co.zaCompany Description: Rocon Building is a South African based

construction company, specialising in the construction of luxury housing.

Company Name: cAPE coRE conSTRucTionContact Number: 083 282 9285E-mail Account: [email protected] Address: www.capecore.co.zaCompany Description: Up-market residential and exclusive

commercial development. We keep the environment in mind, whilst building for demanding clients, often in challenging locations.

Company Name: Ego log HomESContact Number: 011 462 0308E-mail Account: [email protected] Address: www.ecologhomes.co.zaCompany Description: Eco Log Homes offers a complete range

of timber construction methods, including timber frame, log profile cladding, Vermont plank, post and beam and interlocking double tongue and groove heavy solid log.

Company Name: 5H conSTRucTion mAinTEnAncEContact Number: 082 040 3502E-mail Account: [email protected] Address: www.5h-cms.comCompany Description: Dry walling, suspended ceilings, home

and office renovations or alterations. turn-key building projects.

Company Name: ucBContact Number: 082 356 1996E-mail Account: [email protected] Address: www.ucbshopfitters.co.zaCompany Description: We specialise in custom made shop fitting,

dry-walling, ceiling and partitioning, timber decking, custom cabinetry and much more.

Company Name: g.E. PRojEcT mAnAgEmEnTContact Number: 021 554 0600E-mail Account: [email protected] Address: www.geprojects.co.zaCompany Description: We undertake construction and/or project

management of new homes, renovations and small to medium sized residential or commercial developments.

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ISSUE 5 | TO BUILD www.mediaxpose.co.za185

NOTE

S

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ISSUE 5 | TO BUILD

ADVE

RTISE

RS’ I

NDEX

A.G. IsmAIl .......................................72Able WAllInG solutIons ..........64All brIck ......................................146Alu GlAss..................................68,69AmA ArchItects ...........................25Ams ...................................................86Arcelor mIttAl .........168,169,170,171,172,173Arch Wood ProtectIon .........158Ash resources ...........................15bAtes Access FloorInG ............56b-eArth .........................................124blue scoPe steel (Pty)ltd ......49cAesAr stone ..................... 116,117cAPe PAtIo blInds .......................90cemcrete ......................................58cement & concrete InstItute ......................................152chArles PeIn & PArtners ........46clAy brIck AssocIAtIon ..........142concrete mAnuFActurers AssocIAtIon ................................148corobrIk .....................................143decorex sA ...................................19dekAde PAInts ............................126dnA loGIc .......................................78doortec .........................................66eGolI GAs .......................................14e-home AutomAtIon systems .........................................76erGo systems ..............................60eskom................................................9etIcon constructIon ......160,161FIre And GAs lIFestyle .............93FIresPec systems ........................3Freestyle deckInG ..................110Future lIGht ................................80GeberIt southern AFrIcA (Pty) ltd ..........................112Genrec enGIneerInG .................44InstItute For tImber constructIon .....................108,109IscA ................................................114khAndA seAtInG .............................7kItchen shoW ...............................98komAtIlAnd Forests (Pty) ltd .....................106lImelIGht desIGn .........................33lIvInG WAlls - vertIcAl PlAntscAPes ................................36louIse WIlemAn ArchItects ....................................24mAc d FIrehouse .........................92

mArley rooFInG .........................48

mAxIdor .................................128,129

medAl PAInts...............................122

merensky ....................................104

mInAco ............................................61

mItek IndustrIes ..................52,188

nAturAl QuArtz FloorInG ........................................54

nhbrc .......................164,165,166,167

PersPex sA ..................................154

PhIlIPs .............................................83

PlumblInk ....................................100

Pool cover sPecIAlIsts sA ............................186

rdA AlumInIum ..............................70

reAl FIres ......................................94

robo door ..................................130

roclA ............................................150

roycher constructIon .....................136,137

rudI’s choIce ..............................120

rv technoloGIes ......................162

sA buIldInG revIeW ...................177

sA WAllbeds ...............................132

sAFAl steel .....................................5

sAInt GobAIn constructIon Products ......................................74

servest lAndscAPInG ...............40

shArP shoP ArchItects ......28,29

shoW cuPboArds ........................96

solent trAdInG ...........................82

south AFrIcAn InstItute For steel constructIon ............................140

south AFrIcAn PolyProPylene yArns ............152

southern rIGht ..........................88

sWIsslIne desIGn ......................102

tIle AFrIcA .......................................1

turF-AG .........................................155

unIQue stone & GArden décor .............................34

vItAl enGIneerInG .......................42

vrede textIles ............................89

WAterFront Pool renovAtIons ...............................176

WoodcreAtIons ........................134

yz GArdens cc .............................38

AG IsmAIl cc ..................................88Alu GlAs .........................................19AmA ArchItects ...........................25Arcelor mIttAl ..........................178AronA rooFInG ............................62AsPAsA ...........................................165bAsF ...............................................154b-eArth .........................................136beAu IdeAl .....................................75blue scoPe steel .......................60buIld It Green ............................175cAesArstone .............................125cAPe PAtIo blInds .....................106chArles PeIn & PArtners ........54cIvIc AutomAtIon systems ......91coIrtex ...........................................71coPPer develoPment AssocIAtIon ...............................202corobrIk ..............................156,157cotect IndustrIAl PAInts .....................................138,139crystAl GAllery .......................104de leeuW GrouP ....................48,49de Wet envIroscAPInG .............46decorex .........................................14desert Pots ................................33desIGn stAInless Products ......................................78dryden doors .............................80dryForce ....................................196dsm .................................................160e-home AutomAtIon ...................94enumerAte consultInG ...........52erGo systems .............................77etIcon constructIon ............171eurAFrIcAn ................................110eurolux ..........................................5FIre & GAs lIFestyles ............. 111FIresPec systems ....................143FrAncoIs mArAIs ArchItects ....................................24Future lIGht ..............................102Gbt GrAnd solAr ...................98,99GlobAl PAct dIstrIbutors .............................112hAndles Inc ................................131IsoFoAm ....................................86,87JohAnnesburG cIty PArks ..........................................44,45lAFArGe GyPsum .......................184lImelIGht desIGn ........................32louIse WIlemAn ArchItecture And InterIor desIGn ..................30

m&r QuAlIty kItchens .............117mArtIn meyer kItchens ..........114merensky ....................................121 mItek IndustrIes ....................64,65nAturAl QuArtz FloorInG .......................................72neWtoWn lAndscAPe ArchItects ...................................41nhbrc ............................................204nIcholAs PleWmAn ArchItects ....................................29nouWens cArPets ........................7osmo ................................................70PAn mIxers sA .............................168PAtIo WArehouse .....................146PeArl PAc ..............................190,191PersPex sA ...........................172,173rAdIAnt lIGhtInG ...................1,104reAl FIres ...................................112rl WoodWorks ............................84robo door ..................................142rudI’s choIce ..............................124sA WAllbeds ...............................148sAFIntrA rooFInG ......................66sAmsunG rAdIAnz QuArtz surFAce ........................127sAPy ..............................................197sArmA ............................................164sAsol homeGAs .............................3schoombIe hArtmAn QuAntIty surveyors .................51securItronIcs sAFety solutIons ....................................144shoWer hAus .............................133shoWer PlAnet .........................134solent trAdInG ...........................96southern rIGht ........................108stonetech .................................115style décor (Pty) ltd ...............36succulent Art .............................38sWIsslIne desIGn ......................120sytech suPPlIes .........................15terrAForce ..................................39the PAver connectIon ...........162tIAsA ..................................................9tImbermAx ...................................122trAnsIt Floor coverInGs ......68tronIscAPe (Pty) ltd ...............150turF–AG .........................................43vItAl enGIneerInG ..................56,58vrede textIles .........................107We FIx It FrAmeless GlAss ......81WIrQuIn .........................................130WItch rooms ..............................152

187_AdIndex.indd 187 3/19/12 6:42:42 PM

advertorialMiTek® Nail-Plated Timber structuresMiTek as the leading Roof Truss System supplier in South Africa and the world, with a network of over 140 licensed prefabricated timber roof truss manufacturers across Southern Africa, provides a competitive and economic solution to even the most complex of roofing problems. This MiTek fabricator network, using MiTek’s state-of-the-art software programs, provides high quality, purpose engineered truss units to satisfy the need of an ever increasingly complex roofing market.

Residential: Ideal for all types of residential roof applications from very small to extremely large. Also especially well-suited for Attic roof applications thereby creating extra living space at a lower overall building cost, a benefit still underutilized in South Africa.

Multi-Purpose: Nail-plated timber framed structures

can be utilized in so many different ways from Form-

work to Seating-stands to simply exposed structures.

This clearly illustrates the simplicity, beauty and

strength of nail-plated timber structures.

Extra-ordinary: With special engineering input from MiTek’s own professional team of engineers it is possible to create some very large and unusual roof structures, as illustrated by these two projects: Sarela View Church using laminated timber and a 40m clear span Sports Hall.

Commercial: Well suited for all types of commercial roof applications up to about 16m span, thereafter transportation can become challenging. Also especially well-suited to steep high pitched roof structures rather than low shallow pitched.

Examples illustrating the diversity of application:

MitekIndustries Advertorial.indd 188 3/19/12 6:45:59 PM

MiTek® Ultra-Span® Light gauge steel structuresThe low mass per m2 (between 2-10kg/m2) of this roofing system ensures both savings on the supporting structure as well as on transportation and erection costs. Large sections of the roof can simply be pre-assembled on the ground and hoisted into position on the walls – making this one of the most viable roof systems in the range of 20m to 40m clear span structures.

Residential (trusses):With savings on trusses due to larger spacings added to further savings on erection due to the light weight (approx. 4kg/m2) and the convenience of no site wastage, these roof structures are ideal for low-cost housing projects with Tiled or Sheeted roofs. The roof trusses are supplied pre-assembled or in Kit-form for site assembly.

Commercial: With a proven track record of many successful applications in large clear spans (Spar-Brighton, Zambezi –Mall), Ultra-Span is one of the most economical roof structure solutions in the range from 16m -35m – this applies especially to low-pitched roofs.

Residential (purlins):The strength and diversity of the Ultra-Span profiles make it an ideal choice for simple purlin roof applications as often found in low-cost housing. Span capabilities vary from 3m -6m with a very low mass of only 2kg/m2 of roof area. With no site wastage and all materials being galvanized, it is ideal in even remote areas.

Community: Even Church projects or other community projects with larger spans (as shown above 28m & 30m spans) for both tiled and sheeted roofs are easily managed with Ultra-Span trusses whilst maintaining the vaulted ceiling effect.

Examples illustrating the scope of applications:

MiTek Industries (Pty) Ltd

Tel: 011 237 8700

E-mail: marketing @ mitek.co.za

Website: www.mitek.co.za

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Documents

TO BUILD Publication - Issue 5