CAT A Developers Specification

CAT ‘A’ Developers Specification

Project: Storage / Distribution Development

Unit 2

Haydock Green

Haydock

Merseyside

Date: February 2018

No Revision Date Auth

1 Draft for discussion 11/01/18 NR

2 Draft for discussion including initial Movianto comments 23/01/18 BH

3 Design Team Comments 26/01/18 BH



6 Client Comments 09/02/18 BH

7 Knight Frank Comments 13/02/18 BH

8 Final review capturing comments 21/02/18 BH

9 Final revision issued for lease 21/08/18 BH

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CAT ‘A’ Developers Specification – Haydock Green R9

Contents

1 Introduction ........................................................................................................................ 3

2 Building Particulars ............................................................................................................. 7

3 Substructure ...................................................................................................................... 13

4 Warehouse Superstructure ............................................................................................... 17

5 Office Superstructure ........................................................................................................ 24

6 External Works .................................................................................................................. 30

7 External Services ............................................................................................................... 35

8 Mechanical Services .......................................................................................................... 37

9 Electrical Services .............................................................................................................. 39

10 Operation and Maintenance Manuals .............................................................................. 41


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1 Introduction

1.1 General

1.1.1 The Developer is to procure the design and construction of the Developer’s Works for a Base

Building on the site which is a detached warehouse unit together with office accommodation,

external site works including hard standings, car parking, landscaping and drainage. Off Site

highway works; estate road and utilities form part of the base build.

1.1.2 The scope and specification of the Developer’s Works to be provided in the Base Building is as

described in this Specification.

1.1.3 It is the responsibility of the in-going occupier to satisfy the requirements of the Local Planning

Authority, Building Control / the local fire service for any fit out works, obtain the necessary

consents/certification and carry out a fire risk assessment.

1.1.4 The approach to design adopts conventional techniques, materials and detailing and endeavors

to provide a flexible “base building” which will be fitted out by the incoming occupier(s)

1.1.5 For avoidance of doubt it is the responsibility of the Building Contractor to comply with the

design and construction requirements of this Specification and to obtain all necessary consents.

1.2 Schedule of Accommodation

1.2.1 The development shall provide the following minimum gross internal floor area (GIFA) to the

RICS Code of Measurement. A tolerance of -0%/+3% is allowable:-

(i) Warehouse 359,802 sq. ft. 33,425 sq. m.

(ii) Grd Flr office 4,035 sq. ft. 375 sq. m.

(iii) 1st Flr Office 3,200 sq. ft. 297 sq. m.

(iv) 2nd Flr Office 3,200 sq. ft. 297 sq. m.

(iiv) Warehouse

Office

2,763 sq. ft. 257 sq. m.

(iii) TOTAL 373,000 sq.

ft.

34,651 sq m.

Site Area 17.0 Acres 6.9 Ha


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1.3 Drawings

1.3.1 The Specification is to be read in conjunction with the following drawings

DRAWING NO.

DESCRIPTION REV NOTES

ARCHITECT

Martin Spencer Architecture

HG-005 Proposed Overall Site Plan P2

HG-020 Primary Coordinates P3

HG-201 Site Layout Finishes P3

HG-210 Unit 2 GA Warehouse Plan P3

HG-215 Unit 2 GA Roof Plan P1

HG-220 Unit 2 GA Elevations P3

HG-230 Unit 2 Ground Floor Office Plan P1

HG-231 Unit 2 First Floor Office Plan P1

HG-232 Unit 2 Second Floor Office Plan P1

HG-233 Unit 2 WH Office Plan P3

HG-260 Unit 2 Typical Cladding P2

ENGINEER

Edge Structural Design Limited

3848-WM-02 Site Sections P1

3848-2-100 Foundation Layout P1

3848-2-120 Foundation Sections P1

3848-2-900 Unit 2 & Access Road Drainage & Layout P1

3848-2-930 Site Formation P2

3848-2-931 Cut & Fill Banding P1


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1.4 Design and Construction Standards

1.4.1 All elements of the Works, materials and workmanship will be designed and constructed in

accordance with all relevant 'Standards' current at the time of commencement of the Works,

not confined to those scheduled below:-

The 17th Edition of the IEE Wiring Regulations with amendments (BS 7671);

Health and Safety at Work Act;

The Water Supply (Water Fittings) Regulations 1999

The Gas Safety Regulation;

The Clean Air Acts;

The Local Authority Building Regulations and subsequent amendments thereto, subject

only to the relaxations sanctioned by the Department of the Environment;

Specific requirements of the Utility Supply Local Authorities and Local Planning

Authorities;

The British Standards and Codes of Practice;

The requirements of the Building Control Officer;

The CIBSE Guides including Technical Memorandum’s;

Local Authority Byelaws;

The Factories Act

The Electricity Supply Act;

Construction (Design and Management) Regulations (CDM) 2015;

HVCA Ductwork Standard DW144;

Disability Discrimination Act.

Site Waste Management Regulations 2008

1.4.2 For the avoidance of doubt it is the responsibility of the contractor to comply with the above

requirements and to obtain any necessary consents.


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1.5 Development Summary

1.5.1 Building Envelope & Frame

Building envelope and frame will typically provide:

(i) 25 year cladding guarantee

(ii) FM Global approved cladding system

(iii) Optimised roof light provision in warehouse (unless specifically referenced)

(iv) The portal frame for the warehouse will be designed having regard to the wide aisle and very narrow aisle racking configurations.

1.5.2 Primary Office

Primary offices will provide:

(i) Main entrance and office to a high-quality office standard.

(ii) Fire separation between the office and warehouse

(iii) Plant space provided to accommodate typical fit out by Tenant

1.5.2 Entrances & Service Yard

(i) Cars and HGV’s to be provided with appropriate separation on site for safe operation.

(ii) Where the development allows, the HGV entrances to be designed to accommodate suitable stacking for inbound and outbound movements in accordance with good practice and the Freight Transport Association Designing for Deliveries’

(iii) Gates will be provided to secure the goods service yard area.

(iv) Paladin security fencing will be provided to the perimeter of the goods service yard.

(v) The service yard will generally be designed to standards set out by the Freight Transport Association ‘Designing for Deliveries’ in respect of yard gradients, trailer parking standards, axle loads and vehicle maneuvering.

(vi) Heavy duty linear drainage channels, manhole covers and road gullies to be adopted.

(vii) Landscaping - 12 month maintenance contract will be provided.


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2 Building Particulars

2.1 Warehouse including Office

The design/performance criteria for the warehouse building is as follows:

BREEAM Rating Not Applicable

EPC Requirement Target “A” rating

Air Permeability 4 cum/hr/sqm @ 50 Pa positive air pressure

Security Provision for Tenant CAT ‘B’ Fit-Out.

Secure by Design not applicable

Intruder alarm – CAT B Fit-Out

Access control system – Excluded - CAT B Fit-Out

CCTV cameras covering external facades and external doors –

Excluded - CAT B Fit-Out

Clear Height to Underside of Haunch 14m

Floor Loading (uniformly distributed imposed

load) including ground floor to office footprint

50 kN/m2 generally

Design Load between Dock Levellers 50 kn/sqm

Fork Lift Truck Wheel Load 65 kN

Warehouse Floor Point Load 110kN (11 tonne) racking leg loads with 300mm back to back spacing

and 100 mm x 100 mm base plate.

Abrasion Resistance AR2

Floor Surface Regularity Classification FM2 TR34 Fourth Edition 2013

Plinths/ Bunding No

Roof Covering Metal cladding system

Nominal Roof Pitch

6 degrees

Roof Lights

10% over the packing areas only. (none over racking)

Roof Loading Service load 0.25 kN/m2 generally plus siphonic drainage with 1Kn

point loads in positions to be agreed

Extra; Photovoltaic Panel Loading 0.1kn/sqm to 15 roof area as defined on the Architects Drawings

Extra; Roof Level Sprinklers]

8kg/sqm to the roof area of the warehouse (included in 0.25kN/m2)

Fire Doors Steel Fire Door Sets


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External Envelope Built up or composite metal cladding system as defined on the

architects Elevation Drawings

External Envelope Aluminium framed windows to office areas and aluminium curtain

walling to entrance and warehouse glazing

Inner Leaf to External Wall Excluded

Loading Doors Level Access 4m wide x 5m high – nr

Loading Docks 3m wide x 3m high – 20nr

Dock Leveller Range 1550mm (rise), 1050mm (fall) trailer bed height

Mechanical Services By tenant – however, power supply to ensure enough of required capacity. Statutory gas supply – capacity for 100% of heating load & hot water including heating to warehouse based on internal temperature of + 16degs.C at an external temperature of -5 degs.C. – should be to achieve set point of 18 degs C.

To Warehouse By Tenant – incoming utility supplies only by Developer.

Electrical Services See above

To Warehouse By Tenant – emergency lighting and power to goods doors only by

Developer

Sprinklers Sprinkler pump house, tank and base and warehouse, only roof level

sprinklers installed by Developer. To meet with tenant requirements

from FM Global insurers. Full details to be confirmed via FM Global.

Bin Store Proprietary Bin Store provision

Warehouse Temperature Requirement:

A HVAC installation to approx. 280,000sqft of

warehouse (Bays 1-32) is to be undertaken

by the tenant as CAT ‘B’ Fit-Out Works.

Temperature Zones will be Cool Room

(+2+8degreesC) and General Warehouse

(Winter+15 degreesC, Summer +25

degreesC). U-value designs to building

envelope within this area to take the above

into consideration. The developers

responsibility for any U-Value enhancements

This must have provision to extend to the full

extent of the warehouse with similar

provisions on the u-value designs and gas

supplies.


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2.2 Office Provision with Warehouse

The further design/performance criteria for the office provision is as follows:

Occupancy (Nett Areas):

General 1 person per 10m2

Escape Stairs 1 person per 6m2

Lifts 1 person per 12m2

Lavatories 1 person per 12m2

Climate Control 1 person per 10m2

Dimension of Finished Floor Level to Finished

Floor Level

3875mm

Dimension of Finished Floor Level to

Underside of Ceiling

2800mm

Minimum Clear Dimension from Top of Ceiling

to Underside of Any Structure

400mm

Raised Access Floor:

Specification MOB-PF2-PSA medium grade; minimum 150mm clear void

Service Distribution Power/data distribution as necessary to suit layout

Floor Boxes Supply and Fix 1 per 10m2 comprising 1 no. 230V twin switched

socket outlet and 2 further empty compartments to accommodate

tenant’s voice and data outlets (to be fitted by tenant) Exact layout to

be agreed.

Specified Imposed Load:

Offices 4.0kN/m2 + 1kN/m2

Plant Area 7.5kN/m2

Raised Floors, Ceilings and Building Services 0.85kN/m2

Lifts: Platform Lift

Capacity 8 person / 800kg

Speed 0.15m/s

Fresh Air Supply 12 l/s/person

Power Load: Where values are unknown, the following maximum values shall be

applied:

Small Power Load (Offices) 25 W/m2


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Lighting Load (Offices)

Power and Lighting Load (Warehouse)

10 W/m2

[30 W/m2]

[to be assessed and included in specification at contract entry]

Internal temperature criteria:

A VRF system will be installed to the office and

reception areas; electric heaters to

stairs/circulation

To be designed for occupancy of 1 person/10m2

Offices 22 °C +1 (-0) winter / 23 °C +/- 1°C summer

Reception Area 22 °C +1 (-0) winter / 23 °C +/- 1°C summer

Toilets 20°C winter / summer not controlled

Circulation Area 20°C winter / summer not controlled

Stores/Cleaners 16°C winter / summer not controlled

Frost Protection (Offices) 12°C

Water storage Packaged tank/booster to support outlets on 3rd level.

Rainwater Harvesting No

Back-up generator Space Allocation Only forms part of CAT B Fit-Out

Tenant’s Plant Space Allocation Only

Lighting levels (Average lux):

General Office 400 Lux, (0.75m working plane)

Uniformity ratio at work station 0.8

WCs 200 Lux at floor level

Reception 300 Lux at floor level

Main Entrance 300 Lux at floor level

Corridors, Staircases and Circulation 100 Lux at floor level

Plantrooms and Risers 200 Lux at floor level to suit plant and riser layout

External Lighting, Plant Areas 100 Lux at floor level to suit plant layout

External lighting, loading bays 50 Lux maintained luminance

External Lighting, Roadways 20 Lux maintained luminance

External Lighting, Main Entrance 50 Lux

External Lighting to Yard and other areas. 25 Lux maintained luminance

External Lighting, Cycle Shelters 20 Lux maintained luminance

Uniformity ratio for External Lighting 0.4

Metering:


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All supplies Meter incoming services to locations shown on the Drawings

Security requirements Not Applicable. Cat B Fit-Out Only


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2.3 External Works

Car Parking Spaces 322 Nr plus 20 Nr accessible

Electric Car Charging Points 10 Nr

Cycle Spaces 67 Nr

Lorry Parking 50 excluding dock locations

Service Yard Maximum 1:80 to dock aprons

Maximum 1:60 to level doors access

Maximum 1:40 to service yard generally

Motor Cycle Spaces 22 Nr

Gatehouse and Barriers Duct Location Only. CAT ‘B’ Fit-out

Footpaths around Office and Car Park 200mm wide gravel margin to the building with timber edging

PCC Paving slabs to footpaths

Perimeter Fencing 2400mm high paladin fencing with paladin gates

Incoming Service Requirements:

Points of termination for incoming services to be as stated on the

Drawings

Water Supply Statutory mains water supply - based on occupancy level stated

above and sanitary ware requirements.

Sprinkler Main TBA by sprinkler appointment

Fire Main and Hydrants

Provided to the requirements of Regulatory Authorities

Gas Supply Statutory gas supply – capacity for 100% of heating load & hot water

including heating to warehouse based on internal temperature of +

15degs.C at an external temperature of -5 degs.C. Gas supply to

provide 50m3/hr

Electrical Supply Substation/transformers to be provided in location(s) shown on the

Drawings

[3 Phase HV supply][Load capacity 1000 KVA]

Telecom and Data Incoming telecom ducts to be terminated in the position(s) shown on

the Drawings

3 Nr ducts for data to be provided as shown on the Drawings

Security Requirements

CAT ‘B’ Fit-Out

2.4 Movianto Further Specific Requirements

Smoke Shelter To be provided. Size and position to be confirmed.


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3 Substructure

3.1 Geotechnical Report

3.1.1 All sub-structure works supporting and servicing the building superstructure shall be designed by

the contractor in accordance with all current codes of Practice/British Standards and taking full

cognisance of the Site Investigation Report provided.

3.2 Ground Preparation, Remediation and Conditioning 3.2.1 Prior to commencement the contractor shall clear the site of all trees, shrubs, undergrowth and

any deleterious materials. The Contractor shall included for removing all above and below ground

obstructions relating to the previous uses of the site and remediate where necessary. Remediation

(where applicable) of the site to be executed in a strategy agreed with the Geo-Technical Engineer

and Local Authority with a validation report is to be developed containing sufficient evidence to

demonstrate to the Local Authority that such works have been done in accordance with good

practice and the occupants of the building are protected by any such site contaminants that are to

remain.

3.2.2 The contractor shall implement ground improvement techniques where required to achieve the

required load bearing capacity to foundation and floors.

3.2.3 All spoil and arisings from sub-structure works to be removed from site or re-modelled into

the site topography in order to achieve the necessary levels.

3.2.4 All approvals relating to services within the site to be obtained by the contractor and engineers.

3.3 Foundations

3.3.1 The Contractor shall design all foundations in accordance with the information contained

within the site investigation and utilise ground improvement techniques as and where necessary.

Guidance in accordance with BS8002 should be adopted to ensure that the designed

foundations serve the building without detriment.

3.3.2 The Contractor shall generate design calculations, drawings and bar bending schedules

necessary to validate the foundation design and shall submit all documentation in support of

the Building Regulation Application. The Contractor shall employ the Structural Engineer

scheduled in the contract documents to produce the information described and whose

appointment shall also be retained in validating the sufficiency of the Building works.


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3.3.3 The whole of the substructure work will be carried out to the Structural Engineer's design and

approved by the Local Authority. Concrete work will comply with BS.8110 'The Structural Use of

Concrete'. All foundations to be complete with holding down bolts for the structural frame.

3.3.4 The Contractors ‘Structural Engineer’ will be required to verify in writing that he has inspected at

least 30% of excavations prior to commencement of construction of the foundations, and that

he is satisfied with the construction of sub-structures.

3.3.5 Foundations to columns in the location of the dock levellers to be designed by Structural

Engineer to accommodate and facilitate installation of dock levellers.

3.3.6 Where required the bases will be designed in accordance with the Steel Construction Institute

Document, Fire and Steel Construction, The Behaviour of Steel Portal Frames in Boundary

Conditions.

3.4 Ground Floor Slab

3.4.1 A reinforced concrete ground slab with a power floated finish will be provided to all ground

floor areas within the building. The slab will be designed in accordance with the

recommendations of TR34, for a maximum loading of 50kN/m² and the rack loadings stipulated

in the following table placed in a back to back situation (with centre line base plates placed a

minimum distance 150mm away from floor joints) anywhere on the floor.

Height to Haunch Height to ridge Rack Leg Load

14m 17m 11.00 tonnes

3.4.2 Loadings based on a rack height of 1.75m level and 1.0 tonne pallet loads.

3.4.3 Where joints are provided in the construction of the floor, they should be generally detailed in

accordance with TR34 and designed so that no vertical movement occurs across the joint.

Where possible the number of joints should be kept to a minimum. Day joints should be tied or

reinforced with “Permaban” type edge plate reinforcement.

3.4.4 The concrete is to be in accordance with BS.5328 and have a minimum compressive strength of

40N/mm² at 28 days and a minimum flexural strength of 5.0N/mm². The concrete will have a

minimum cement content of 325kg/m³ and a maximum cement content of 400kg/m3. The use

of super-plasticisers will be permitted.


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3.4.5 Prior to construction of the slab, the proposed concrete mix is to be tested to show that its

coefficient of drying shrinkage is less than 0.045%. Tests are to be in accordance with ASTM C

157.

3.4.6 The ground floor slab will be constructed so that the top surface is within the tolerances as

defined in Concrete Society Technical Report No. 34 (2003) of FM2 .The floor is to be subject to

an independent survey to prove its compliance with the specification within fourteen days of

construction. This will be at the contractors cost.

3.4.7 The ground floor slab wearing surface shall have a minimum abrasion resistance of AR2 in

accordance with table 2 of BS 8204. One abrasion test is to be carried out for each 2000m² of

slab or part thereof, in accordance with BS 8204 to confirm that appropriate abrasion resistance

has been achieved.

3.4.8 After the final power floating operation, the floor slab is to be sprayed with an acrylic based,

curing, sealing and hardening membrane, with a curing efficiency of 90%. The floor shall not be

trafficked for a minimum of four days following the sealing operation.

3.4.9 The floor slab shall be capable of grinding to form tracks for VNA forklift trucks.

3.4.10 The ground slab is to be constructed on a polythene damp proof membrane laid on a layer of

hardcore with a minimum thickness as stipulated on the engineers drawings.

3.4.11 The hardcore shall be a crushed rock or similar material to be approved by the engineer and

shall be graded in accordance with either DOT type 1, DOT type 2 or 6F2 as described in

table 6.1 of the Specification for Highway Works.

3.4.12 The hardcore is to be laid to the specified minimum thickness in one layer and compacted

using a 10 tonne dead-weight roller with a minimum of 4 passes in each direction perpendicular

to each other. Where necessary the hardcore layer can be blinded with a fine material to close

the surface, sand must not be used. The surface tolerance of the hardcore layer will be +5mm

and –10mm with an average of –5mm.

3.4.13 Prior to concreting the slab, all roof and wall sheeting and loading doors must be fixed to

provide protection from wind and rain. If due to programme restraints thus cannot be

achieved, then temporary sheeting must be used to seal all openings.

3.4.14 All joints are to be sealed prior to practical completion with sealing compounds having a

minimum shore hardness of 50. These joints are to be inspected by the contractor at three

monthly intervals during the defects liability period and checked for arris damage. Any

significant arris damage must be repaired with an epoxy mortar placed in accordance with the

manufacturers recommendations. At the end of defects liability period, the joints in the aisles or


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free movement areas of the floor slab are to be resealed using a sealant with a minimum shore

hardness of 80.

3.4.15 All efforts should be made in the construction and detailing of the floor to reduce the possibility of

random cracking. If cracks do occur, they are to be pressure grouted with a low viscosity epoxy

mortar if they are wider than 0.8mm.

3.4.16 The office ground floor slab shall be a solid concrete floor designed to take an imposed

loading of 10kN/m² (300lbs ft²) with a surface tolerance and finish appropriate to the specified

floor finishes.

3.5 External Steps

3.5.1 Where applicable the external steps to the dock level area will be constructed in galvanised

steel, with a slip resistant finish. Handrails and balustrading will be provided in circular hollow,

hot dipped galvanised mild steel, sections and be self finished.

3.6 Retaining Walls

3.6.1 Pre-cast retaining walls including ‘Prowall’ system, dock leveller pits and tail gate slots with

infill panels, will be provided to the dock area of the building. Buchan Concrete or similar

approved.

3.6.2 External retaining walls to the sides of the dock access will be also be pre-cast concrete,

Buchan Concrete or similar approved.


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4 Warehouse Superstructure

4.1 Steel Frame

4.1.1 The steel frame will be portal frame with a minimum clear height to underside of haunch of

14m designed in accordance with BS.5950: Part 1 with dead plus super loading to BS.6399:

Part 1 and BS.6399: Part 3 and wind loading to BS 6399 Part2 and all relevant Codes of

Practice applicable to the contract in force at the time of erection and generally to the

satisfaction of the Local Authority.

4.1.2 The frame will be capable of supporting a maximum general superimposed service loading

arising from mechanical and electrical installation plant, equipment and fittings of 0.25kN/m²

overall to the portal frame and a purlin load of 0.25kN/m² and/or a point load of 3kN. With

extra loading allowance for PV panels and sprinkler protection TBC

4.1.3 All steelwork will be shotblasted Swedish Sa2.2 and primed prior to delivery to site and will be

touched up where required, warehouse steelwork will receive factory applied coat of 1 pack

epoxy zinc phosphate to a nominal DFT of 75 microns, colour to be agreed (semi gloss finish).

Galvanised surfaces of purlins and sheeting rails will be left un-coated. Where steelwork is to be

encased in masonry, it will receive two coats of bituminous paint.

4.1.4 Where remedial works are required to webs, flanges, beams, columns or other steelwork that is

visible in the completed building the whole area of the affected steelwork, in full elevations, will

be coated to provide a uniform appearance.

4.1.5 The steel frame shall be designated to meet the following standards:-

• all cold rolled steel work shall have the standard Manufacturers galvanised finish to BS EN

10143 (1993) or better;

• all frame bolts are to be zinc plated or galvanised finish;

• the roof and wind loads shall comply with BS 6399:Part 1, 2 and 3 including allowance for

drifting snow on the valley of the structure and against parapets if provided;

• all doors shall be fully framed in steelwork, including all frame extensions necessary to support

sectional door fittings and canopies;

• sag rods and tension wires shall be free from distortion, properly adjusted;


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• the structure must be capable of carrying the tenants future signage and door frames in the

positions shown on the drawings;

• protection bollards to be installed internally to level entry door openings;

• fire protection where required will be provided. Where fire protection of the steel frame is

necessary it must be resistant to impact damage up to 2m above finished floor level.

4.2 Roof Cladding

4.2.1 The roof is to be KINGSPAN or similar approved composite profiled roof panels with Colorcoat

HPS200 Ultra finish to BS EN 10346. The roof cladding will be fixed in accordance with the

Kingspans recommendations, those of Tata Steel Europe Limited and the NRFC Guide to Good

Practice. The roof system is to be constructed in accordance with Kingspans’ technical

recommendations and being designed to meet the following standards and requirements:-

a. The roof system is to be KINGSPAN or similar approved FIREsafe KS1000 RW Insulated

profiled roof panels or similar approved to a minimum designated ‘U’ value of 0.18

W/m2K as required by Approved Document L2A (2006 of the Building Regulations.

b. The designed roof pitch will be 6 degrees finished allowing for all deflections under wind,

service and snow loads. The internal lining to the main roof will be Class O rating for surface

spread of flame as tested to BS 476:Part 7:1987. Roof deflection shall not exceed L/150.

c. The roof system is to be non-fragile in accordance with HSE Materials Standard

ACR[M]001:2000 ‘Test for Fragility of Roofing Assemblies.’

d. The roof system to be an FM Global approved construction.

e. The roof lights will be provided using Kingspan GRP translucent roof lights fixed to the

purlins in accordance with manufacturer’s instructions. The roof light sheets will meet

with the Roof lights to be non-fragile in accordance with HSE Materials Standard

ACR[M]001:2000 ‘Test for Fragility of Roofing Assemblies for the duration of their life. An

area of roof to be left out in accordance with the Architects Drawings.

f. Roof lights are to be over loading and picking areas only. No roof light provision over racked

areas, subject to constraints imposed by any applicable Fire and Boundary Conditions

g. Any minor scratches or scuff marks to the Colorcoat HPS200 Ultra coating of the roof

sheets, shall be made good with Corus HPS200 Ultra touch up paint applied in accordance

with the Tata Steel Europe Ltd recommendations;


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h. Where roof sheets are so deeply scratched that the galvanising is also damaged,

affected panels shall be replaced. Sheets should be protected against indentation

where panels are heavily indented the affected panels shall be replaced;

i. All swarf shall be washed away from the roof before corrosion staining occurs;

j. The Contractor shall ensure that the cladding sub-Contractor attends to and seals any

penetrations through the roof and wall cladding for heater flues or any other penetrations

so as not to invalidate the sub-Contractor’s warranty;

k. The Contractor is to provide a copy of the manufacturer’s warranty covering the entire roof

system to the employer assignable to any Purchaser; (including the Colorcoat HPS200

Ultra coating).

l. The installers of the roofing systems must be approved Kingpsan installers and registered

members of either the Metal Cladding and Roofing Manufacturers Association, Metal

Roof Deck Association, Metal Roofing Contractors Association or National Federation or

Roofing Contractors.

m. Man safe system consisting of Horizontal lifeline system with intermediate anchorage

incorporating PAS system, will be fitted to the roof for safe access for maintenance and

repair purposes. System to comply with European standard EN 795 for Horizontal

Lifeline Systems.

n. Only composite panels listed in the BRE red book will be used.

o. The contractor is to allow for an independent survey of the roof area on completion and prior

to handover. A copy of the completed report is to be handed to the EA and any outstanding

works / defects attended to prior to Practical Completion.

p. U-values may need to be increased in order to comply with SBEM calculation and

also having regard to the tenants proposed HVAC requirements.

4.3 Rainwater Goods

4.3.1 Rainwater disposal systems shall be a combination of gravity to the perimeter gutters and

syphonic drainage to the central vallies. The syphonic system will be by Fulflow or similar

approved, fully in accordance with the Engineers Drawings.

4.3.2 The gravity drainage will be designed in accordance with BS EN 12056 using a rainfall rate for

the appropriate geographical location, precipitation levels and rainfall categories. The gutters

and rainwater system shall be designed and constructed to meet the following standards and

requirements:-


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a. Purpose made, built up gutter systems to be up to 3mm thick steel top sheet hot dipped

galvanised after manufacture, LPCB approved Cellotex polyisocyanurate or man made

mineral fibre insulation, 0.7mm thick steel Brilliant White Lining Enamel internal lining

sheet. Alternatively a built up system can be utilised by approval of the EA, to meet the

same criteria as the composite system;

b. Gutters shall also be designed with adequate provision for accommodating thermal

expansion and contraction;

c. Gutters are to be of sufficient strength to facilitate maintenance access.

d. All gutters to incorporate adequately sized and positioned weir overflows;

e. Construction and sizing or pre-formed proprietary composite gutters are to be to the

Employer’s approval;

f. All joints to be joggled and sealed using PIB cross linked strip sealant and hexagonal

riv-nuts installed into hexagonal punched holes.

g. All gutters to be lined with a PVC membrane Tata Steel Aquatite or similar. The

number of rainwater down pipes should be based on the guidelines set out in BS EN

12056.

h. All rainwater pipes to be square section aluminium, colour as Architects drawings.

There is to be provision for rodding access to each rainwater pipe at maximum 600mm

above finished ground floor level.

4.3.3 Disposal of rainwater to the valley gutter will be by means of specialist designed and installed

two pipe syphonic system designed to the following criteria:-

a. Category 3 based on BSEN12056 – 3:2000

b. Overall rainfall intensity of minimum 200mm per hour.

c. Valley System to be designed as a primary / secondary system with rainfall split 50:50,

100mm per hour secondary.


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4.4 Vertical and Horizontal Cladding

4.4.1 The cladding to be a combination of Kingspan Microrib, Kingpspan FIREsafe Composite Wall

panels and built up trapezoidal cladding, or similar approved in line with Architects elevation

drawing or similar approved, with Colorcoat HPS200 Ultra finish to BS EN 10346. The vertical

and horizontal cladding panels to be fitted in accordance with Kingspans’ technical

recommendations and designed and constructed to meet the following standards and

requirements:-

a. The elevations shall be as indicated on the Architect’s drawings, with feature flashing

details, relief modelling and colour banding to all elevations.

b. The cladding is to be designed to comply with wind loads calculated in accordance with

BS6399. The wall cladding is to be Kingspan FIREsafe Wall System KS1000 RW and

KS1000 PL to a minimum designated ‘U’ value of 0.24w/m2K.

c. Fire wall requirements as defined on the Architects Drawings.

d. The wall system to be FM Global approved.

e. Equivalent production from countries outside the EU will not be accepted.

f. Provision for tenants signage shall be incorporated into the cladding design.

g. U-value may need to be increased in order to comply with SBEM calculation.

4.5 Level Access Doors

4.5.1 The external level access doors indicated on the drawings will be as manufactured by Crawford-

ASSA ABLOY Limited, L20 615 reference 1042P, or similar and approved with

Counterbalance springs, galvanised tracks fixed to steel frame, with button station and internal

sliding shoot bolt. Size as defined on the Architects Drawings, with neutral acrylic double

glazed vision panels, min 3no. per door. Also fitted with sliding bolts electrically interlocked

and anti-fall devices. Size 5m high x 4m wide. These doors are power oprated.

4.5.2 The doors will be of composite construction comprising hardened aluminium sheet inner and

outer faces with nominal 42mm x 500mm deep laminated door panels filled with polyurethane

foam insulation to give minimum ‘U’ value of 1.4W/m2K. The surface finish to the external

face of the doors will be to colour specified on Architects Drawings.


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4.6 Dock Access Doors and Equipment

4.6.1 Where shown on the drawings, doors as manufactured by Crawford-ASSA ABLOY Limited

L20 615, reference 1042P, or similar and approved with counterbalance springs, galvanised

tracks fixed to steel frame, with button station and internal sliding shootbolt. Dock access

doors to be size 3000mm high x 3000mm wide (as defined on the architects drawings) All with

neutral acrylic double glazed vision panels min 2no. per door. All fitted with sliding bolts

electrically interlocked and anti-fall devices. These doors are power oprated.

4.6.2 The doors will be of composite construction comprising hardened aluminium sheet inner and

outer faces with nominal 42mm x 500mm deep door panels filled with polyurethane foam

insulation to give optimum ‘U’ value of 1.4W/m2K. The surface finish to the external face of the

doors will be to the standard range of colours.

4.6.3 To each standard dock access door location will be fitted a Crawford-ASSA ABLOY 6010S

swingdock stationary dock leveller with swing lip, electro hydraulic operation with load bearing

capacity of 60KN, size 2000 x 3000mm.

4.6.4 To each standard dock access door location will be fitted a Crawford-ASSA ABLOY 660SME

Collapsible Curtain Shelter with extruded aluminium frame, 3450mm wide, 3600mm high and

600mm deep. White luminous vertical parking guides, integrated rain channel, tensile strength

longitudinal approx 7000 N/5cm and transverse strength approx 5000 N/5cm. White luminous

vertical parking guides, integrated rain channel, tensile strength longitudinal approx. 7000

N/5cm and transverse strength approx.. 5000 N/5cm.

4.6.5 Each dock leveller will be fitted with Crawford DOK-TEK PRG led traffic lights, ‘M’ led dock

loading light, nylon sliding dock buffers, and electronic wheel chocks for safety.

4.6.6 Doors and dock levellers to be CE marked to meet European Directives.

4.6.7 Tailgate slots with Infill panels will be provided to all dock levellers.

4.6.8 Below each dock access, cast into external floor 1 pair of Crawford galvanised steel tubular

wheel guides from 140 diameter tube, with 5mm thick walls x 2000mm x 300mm above floor

level.

4.6.9 The dock wall construction is to be pre-cast concrete using Buchan Concrete Solutions

Prowall system or similar approved.


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4.7 Fire Exit Doors

4.7.1 Number and size of doors to be provided to ensure compliance with Building Regulations and Fire

Authority requirements and fire strategy prepared by the contractor based upon the agreed layouts

to ensure that it will be capable of acceptance by the Fire Officer. Doors will be Taskmaster S

Series or similar approved to be designed and installed to meet the following requirements:-

a. provided with external landings extending to the internal floor level. Size to

accommodate swing of door plus a 1200mm landing;

b. 1100m high galvanised steel tubular barriers externally to two sides, primed prior to

delivery to site and painted to match feature colour to building where exit provided to

areas where vehicles are present;

c. powder coated mild steel frames;

d. powder coated steel personnel doors (double or single as required);

e. integrated 4 way panic lock, anti vandal hinges and all other associated ironmongery;

f. colour and finish see architects drawings.

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5 Office Superstructure

5.1 Structure

5.1.1 The office block structural frame will be constructed in structural steelwork. The frame designed

to BS.5950: Part l and 2 will be fire protected to achieve a fire resistance as required under the

Building Regulations.

5.1.2 The frame will be designed to accommodate office/amenity accommodation on ground, f i rs t

and second f loor levels

5.1.3 The office superstructure should be designed to accommodate a minimum first and second

floor loading of 2.5KN/m2 plus 1KN/m2 partition load.

5.2 External Walls

5.2.1 The external walls of the building, where indicated, to be metal stud frame fixed back to

heeting rails. Gypsum Classic Gypwall system with GypFrame ‘c’ studs and Gyproc wall

board or similar approved.

5.2.2 The external skin will be horizontal composite panels by Kingspan FIREsafe or similar approved,

Microrib an LPC rated core to test 1182 this cladding is to provide a minimum designed “U”

value of 0.35W/m²K. Mineral wool between sheeting rails may be required to achieve Overall

min u- value of 0.25 w/m2k.

5.2.3 The internal lining to any cladding is to be Class O rating for surface spread of flame as tested to

BS.476: Part 7.

5.3 Windows/ Curtain Walling

5.3.1 A curtain walling system shown to the office block elevations will be a fully thermally broken

system comprising polyester powder coated aluminium mullions and transoms complete with

factory sealed double glazed units and glazed and insulated spandrel panels, where necessary.

The system to be Kawneer Curtain Wall AA®100 50mm to be provided by a glazing

specialist or similar and approved.

5.3.2 Glazing will be Pilkington Suncool glass with Argon filled cavity and Pilkington K Glass or similar

approved in order to comply with SBEM calculation.

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5.3.3 Double glazing units (thermally broken) and spandrel panels (with thermal check) are to be

fitted to facilitate replacement externally.

5.3.4 Security locks to be installed to all ground floor windows to comply with British Standard 3621.

5.3.5 The front entrance lobby to the office will be manufactured using Kawneer Curtain Wall

AA®100 50mm and Kawneer AA®605 TE thermally broken double leaf external swing doors,

polyester powder coated aluminium sections with concealed overhead door closer to match

curtain walling system. The door will be glazed to the recommendation of BS 952 and BS CP

6262 in laminated or safety glass to match windows. Or similar approved.

5.3.6 A letter plate is to be provided in or adjacent to the main entrance door.

5.3.7 The door to be fitted with security locks to comply with British Standard 3621 and five lever

mortice deadlocks.

5.4 Internal Walls 5.4.1 Internal flexi and partition walls to the reception and welfare area are to be built solid in

concrete blockwork to BS.6073: Part l laid in cement mortar and keyed for plaster. The

thicknesses of walls are to be as designed by the Structural Engineer and will be built in blocks

of minimum crushing strength 3.5KN/m² or as otherwise detailed by the Structural Engineer.

5.4.2 Internal division wall on GL 19 to split the HVAC (CAT B) treated warehouse area from the untreated area. 1no run 116.0 metres wide x 17.0 metres high at apex, including a 4.0 metres wide x 5.0 metres high goal post frame to accept a Fast Action door:-

Material FR 630 P Flexiwall fabric.

1no Fastflex Impact Roll door 4.0 metres wide x 5.0 metres high, including push button operation.

3no 1.0 metre wide x 2.0 metre high steel Pedestrian Doors with vision panels and closers. 5.4.3 Where shown on the drawings, compartment walls between the offices, warehouse and

production areas will be minimum 140mm blockwork, flush pointed to provide minimum two

hour fire resistance to ground floor and metal stud fire wall to first floor Any door or window

openings within the wall will be afforded the same degree of fire protection as required for the

wall.

5.4.4 Amenity block to be constructed in 140mm fair faced blockwork.

5.4.5 The warehouse is heated therefore the compartment wall will be insulated with Celotex or equal

approved, to comply with the requirements of Part L2 of the Building Regulations.

5.4.6 Internal lintels across all wall openings will be 'Catnic' or similar prefabricated steel to BS.5977:

Part 2 or pre-stressed precast concrete.

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5.5 Staircase

5.5.1 The main reception feature staircase and landings from upper floor offices will be designed

and constructed in pre-cast concrete to the Structural Engineer's details. The balustrades and

handrails will tubular stainless steel all to the Architect's details and to comply with the Building

Regulations.

5.6 Ceilings

5.6.1 Suspended ceilings will be provided as follows:-

a. generally throughout the offices and ancillary areas, Armstrong Dune Supreme 600 x

600mm Tegular tiles in lay-in grid system with a stove enamelled finish on wire hangers

(Hydroboard to all wet areas such as toilets, shower and kitchen);

b. a 25/50mm shadow edge trim will be included to all office/circulation areas. The

suspended ceiling system is to be earth bonded in accordance with I.E.E. regulations

and the suspended ceiling manufacturers recommendations;

c. the floor to ceiling height to the ground and upper floor office and ancillary areas will be

2.80m and 2.40m in the welfare and toilets areas. A consistent level floor will be

provided throughout the office and ancillary areas;

d. all ceilings shall have a minimum void of 400mm complete with all necessary cavity

barriers and a minimum depth under beams of 200mm.

5.7 Wall Finishes

5.7.1 All internal walls unless specified otherwise throughout the offices, ancillary and circulation

and amenity areas will be plastered/dry lined and fully sealed and then painted with one mist

coat and two coats vinyl matt emulsion paint. Colour to be confirmed and approved by Tenant.

5.7.2 All walls to the toilets will be tiled full height with ceramic tiles using three colours with two

feature bands. Tiles to be in the price range of £30/m2 supply only – the contractors is to price for

installation using the supply only figure. Exact type and colour to be confirmed and approved by

tenant.

5.7.3 The kitchen will have tiled splashbacks with ceramic tiles as above.

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5.8 Floor Finishes

5.8.1 First floor only to have a raised access floor medium grade system as MOB-PF2-PSA medium

grade; minimum 150mm clear void. The standard medium grade 600 x 600mm panels to receive

carpet tile covering. The raised access floor to be earth bonded in accordance with I.E.E.

regulations and the raised floor manufacturers recommendations.

5.8.2 Main entrance, reception area and generally throughout the Ancillary, Amenity and Welfare

areas will be power floated concrete or screed finish to receive carpet tile, vinyl or ceramic

floor coverings – see finishes schedule for details. All finishes to be approved by tenant.

5.8.3 Generally throughout the office areas and unless specified otherwise, Armstrong carpet floor tile

coverings will be provided in the price range of £20/m2 supply only. The contractors is to price

for installation using the supply only figure.

5.8.4 The office toilets, ancillary lobbies, kitchenettes, tea rooms and cleaners store will be finished in

ceramic tiling (tiles to be in the price range of £30/m2 supply only). The contractors is to price

for installation using the supply only figure.

5.8.5 The main entrance reception area will be finished in ceramic tiling to be in the price range of

£35.00/m2 supply only. The contractors is to price for installation using the supply only figure.

5.9 Doors and Joinery

5.9.1 Internal doors throughout the offices will be solid core flush doors with paint finish. Frames and

architraves to be softwood, to match door veneers. All doors are to be compatible with door

access control – mag lock door release or similar.

5.9.2 Where required by the Building Control Officer, doors will have an appropriate fire rating and be

fitted with intumescent strips, smoke seals, door closers and vision panels of size 150mm x

1325mm.

5.9.3 Internal circulation doors will be fitted with swing free self closers linked to the fire alarm in

compliance with Part M of the Building Regulations.

5.9.4 Locks will be suited as follows:-

Master Key to all doors;

Submaster Key for each office floor main doors.

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5.9.5 The ironmongery will be appropriate to the location of the door and will be Grade 316 polished

stainless steel door furniture with ancillary fittings.

5.9.6 Toilet partitions will be manufactured by Venesta Cubicle Systems Limited Equinox V2 Range or

similar and approved, to be fully co-ordinated to solid surface vanity units and laminate faced

boxing. Provide full height IPS systems to all wc’s and urinals. Each cubicle to have toilet roll

holder and coat hook fitted.

5.10 Fire Precautions

5.10.1 The requirements of the Building Control Officer will be incorporated, as indicated on the

drawings, in respect of means of escape, fire resisting doors and partitions, fire exit doors and

fittings and all associated signs and notices.

5.10.2 Signs and notices will comply with Associated Signs and BS.5499 'Fire Safety Signs, Notices

and Graphic Symbols'.

5.10.3 Any other requirements or recommendations of the Local Authority Building Control

Department, incorporating the Fire Prevention Officer with regard to provision of hose reels,

sprinkler systems, heat sensors, smoke ventilators, extinguishers and other fire fighting

equipment are specifically excluded.

5.11 Finishings General

5.11.1 In the main entrance lobby area to the full width of the reception area door a matwell and

frame consisting of an aluminum frame fixed into the concrete sub floor will be provided

together with a barrier mat or good quality proprietary mat consisting of aluminum runners and

brushes, by Gradus or equal approved.

5.11.2 Internal window cill boards to be softwood.

5.11.3 Ex 100 x 25 softwood, splayed skirtings for clear finishing will be provided throughout except

where ceramic or vinyl skirtings have been specified.

5.11.4 1200mm high mirrors (width to match vanity unit width) with concealed fixings to the walls

above the wash hand basins in all toilet areas.

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5.12 Plumbing and Sanitary Ware

5.12.1 All toilet areas and cleaners store will have Armitage Shanks or Ideal Standard (as specified)

white vitreous china sanitary ware. All horizontal and waste pipework within toilet areas is to be

concealed with suitable maintenance access.

5.12.2 Ideal Standard 'Back to Wall' W.C. suites or similar will be provided with plastic seat and cover

and dual flush plastic cistern located behind IPS system, and shall be complete with overflow

indication.

5.12.3 Armitage Shanks china single bowl urinals or similar will be provided with plastic cistern and

flush pipes located behind IPS system.

5.12.4 Washbasins to toilets will be Ideal Standard vessel basin or similar with basin mixer tap, to be

fitted onto solid surface vanity units.

5.12.5 Cleaners sinks, with bucket stand, will be provided with hot and cold water services. A tiled

splash back will be provided.

5.12.6 A toilet compartment will be provided for the use of disabled persons, all in accordance with

the Building Regulations (Doc M), the disabled alarm shall be provided adjacent to the toilet

and will be both visual and audible.

5.13 Kitchenette/Tea Room

5.13.1 The Kitchenette/Tea Room areas will be fitted with Howdens commercial quality or similar

base units with worktops over and wall cupboards. A single drainer stainless steel sink top

with mixer taps will be provided. Exact colours and finish to be approved by tenant.

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6 External Works

6.1 Service Yard Area

6.1.1 The service yard and associated access areas will be excavated to the required formation

level, trimmed and compacted with a layer of hardcore to the engineers details blinded with

fine chippings or clinker ash.

6.1.2 Sand or rock sand will not be an acceptable material for finishing the hardcore layer.

6.1.3 Where the slabs are constructed in phases, the compacted hardcore layer must be constructed

at least 1m beyond the relevant shutter lines to ensure that infill bays can be adequately

compacted and finished.

6.1.4 The surface tolerances to the sub-base layer should be +5mm or –30mm.

6.1.5 A minimum 175mm thick bed of concrete will be laid on polythene or similar using air

entrained concrete with a minimum cube strength of 40N/mm2 at 28 days, reinforced with one

layer of structural fabric to the engineers details or alternatively a concrete with a minimum

cube strength of 35N/ mm2 at 28 days enhanced with 0.9kg/m3 of synthetic polypropylene

fibres may be used. The use of steel fibre reinforcement will not be allowed.

6.1.6 Bay sizes and all longitudinal, contraction, induced, expansion and isolation joints will be

formed in accordance with the recommendations of the structural engineer. The slabs will be

laid to maximum falls of 1:40 (except for level access ramps) and minimum falls of 1:80 with

the gradients generally sloping away from the building.

6.1.7 The surface of the concrete is to be finished using a serrated float or wire brush, to provide

grooves parallel to the slope of the pavement, with 100mm trowelled margins adjacent to the

shutters.

6.1.8 The surface tolerance for the concrete pavement should be +10mm.

6.1.9 As soon as excess moisture has evaporated from the surface of the concrete a resin curing

compound should be sprayed uniformly over the still plastic concrete. During hot sunny

periods a curing compound containing a suspension of fine particles of Aluminium or other

white pigment should be used.

6.1.10 During adverse weather conditions including hot sunny periods, winds in excess of 10mph and

rain, the slabs should be protected with suitable tents of polythene or similar, in addition to the

curing compound.

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6.1.11 Construction will generally comply with the recommendations of the Concrete Society

publication TR34.

6.1.12 Bollard protection will be provided externally to the warehouse level access doors. Bollards are to

be Marshalls Rhino Service Yard Bollards 168mm dia base plate fixed. Galvanised Armco type

protective barriers with bolt down RSJ posts will be provided in the service yard area to protect

vulnerable areas of the building from vehicular or similar impact damage.

6.1.13 Drainage channels with steel gratings will not be used in areas of the service yard where they

can be trafficked by turning vehicles.

6.1.14 To provide access to the easement zone for the UU water main, areas of structural block paving

will be incorporated at intervals along the easement zone to provide access to the main should it

be required.

6.2 Car Parks

6.2.1 The car parking area indicated on the site plans will be permeable concrete block paving car

parking spaces and block paving access and circulation areas designed and constructed to

the following standards and requirements:-

6.2.2 80mm thick coloured concrete block paving laid 90o herringbone, laid on a 50mm bed of sharp

sand, on road base of 70mm dense bit mac, on sub- base of 300mm granular type 1. Joints filled

with dry wash sand.

6.2.3 Thermoplastic white lining to be provided to delineate car parking spaces and road markings.

Disabled parking bays marked out in accordance with Part M Building Regs.

6.3 Kerbs

6.3.1 Where indicated, Marshalls standard and Charnwood textured 255 x 125 half battered precast

concrete kerbs to BS.340 bedded onto a 325 x 150 concrete base and haunches with

concrete, to s.e details. Marshalls Titan kerbs shall be provided to vulnerable areas.

6.4 Footpaths

6.4.1 Footpaths will be excavated to formation level, trimmed and compacted and provided with

minimum 150mm thick stone hardcore base blinded with fine stone sand or clinker ash and

finishes as:-

a. 60mm thick Marshalls contrast colour concrete block paving, to the main entrance

footpath and cycle path, will be laid on a 50mm bed of sand, well vibrated, with joints

filled with dry wash sand. 80mm thick Marshalls colour concrete block paving to the

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office frontage will be laid on 50mm bed of sharp sand, well vibrated, with joints filled

with dry wash sand.

b. 50mm thick Marshalls precast concrete paving slabs and concrete edgings to ancillary

paths and margins around the warehouse will be laid on a 50mm sand lime bed, well

vibrated, with joints filled with dry wash sand.

c. Macadam surfacing, 20mm wearing course on 40mm dense bit mac base course

6.5 Landscaping

6.5.1 The landscape scheme, inclusive of all planting, is to be designed and completed by an

approved contractor and to the approval of the Local Authority, including for:-

a. landscaped areas will have all rubbish removed, subsoil graded to contours, 150mm

topsoil spread and rotavated, stones removed, raked, prepared and turfed;

b. 300mm topsoil will be provided for shrubs and planting beds and 750-1,000mm2 cube

topsoil in tree pits;

c. trees, shrubs and other plants to be detailed and described on a landscape plan and

agreed with LA, will be planted, with bark mulching, watered, staked and supported as

necessary;

d. one-year maintenance of trees, shrubs and landscaped areas will be by the Contractor,

including the replacement of all plants dying within the period. It will be the Contractor’s

responsibility to ensure that grass, shrubs and trees are adequately maintained and

watered during the maintenance period. Notwithstanding that responsibility, the tenant

will be required to water the beds on a reasonable basis;

e. a minimum of 3 No. external landscaping watering points will be provided to agreed

positions within 30m of existing supplies.

6.6 Drainage

6.6.1 General

Connections from the site boundary to main foul and surface water sewers will be made in

accordance with the requirements of the Local Authority.

The drainage system generally will be in accordance with:-

BS.65:1991 Specification for Vitrified Clay Pipes, Fittings and Joints

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BS.6367:1983 Code of Practice for Drainage of Roofs and Paved Areas

BS.8301:1985 Code of Practice for Building Drainage Design to BS EN752;

The general design criteria will be based upon a 1 in 2 year return and a rainfall intensity of 55mm

per hour and no flooding in a 1 in 30 year storm condition.

Undertake a CCTV survey of all drainage two weeks prior to Practical Completion.

6.6.2 Pipework

Foul and surface water drainage will be constructed to the details shown on the drainage

drawings, using E.S.V.C. Hepseal and Supersleve Pipes to BS.65, Hepsleve Pipes to BS.65 or

similar approved on Class B granular stone bed. Drainage pipework internal to the building areas

will have a concrete bed and surround.

Where required, pipework will be protected in accordance with the 'Simplified Tables of External

Loads on Buried Pipelines'.

All necessary bends, junctions and other fittings required to complete the work will be provided.

Flexible joint collars will be provided to drainage pipework when leaving the building areas.

6.6.3 Manholes

Manholes will be constructed to the depths required using either precast concrete rings and

heavy duty cover slabs or in Class B engineering brickwork. The bases of

manholes will incorporate all necessary clayware channels and junction fittings and will be

benched in fine granolithic concrete.

Galvanised step irons will be included in the walls of manholes and the manhole covers will be

of galvanised steel or cast iron of an appropriate load bearing capacity.

6.6.4 Gullies/Drainage Channels to Yard and Roadways

The drainage of the yard areas to be laid falls to heavy duty drainage channels. Polybau,

Decathlon or equivalent approved and standard heavy duty gulley outlets where appropriate.

6.6.5 Petrol Interceptors

A petrol/oil interceptor, required by the Environment Agency, will be installed and ventilated

to serve the surface water drainage system to external paved areas. An additional interceptor may

be needed adjecent to diesel storage area/generator.

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6.7 Ramps

6.7.1 Where ramps are required to be provided for access into the building for disabled persons or for

trolley access, to be in accordance with Approved Document Part M.

6.8 Fencing / Gates

6.8.1 Where indicated on the Hard Landscaping drawing to the perimeter of the site and around the

overflow car park area, 2.40m high, black powder coated Paladin FX fencing or equal approved,

complete with personnel and vehicle access gates. All gates to be lockable and keys to be master

suited.

6.8.2 Yard gates to be generally as fencing type but to be heavy duty automated control with key

pad at gate and intercom control at reception. Induction cable loop control for exit. Including all

cable conduits to building from both gate posts.

6.8.3 Personnel gates to be generally as fencing type, to be heavy duty automated control with key

pad at gate and intercom control at reception. Induction cable loop control for exit. Including all

cable conduits to building from both gate posts.

6.8.4 Where indicated on the Hard Landscaping drawing an internal security fence to be provided, 1.8

high, black powder coated Paladin FX fencing or equal approved, complete with personnel and

vehicle access gates. All gates to be lockable and keys to be master suited.

6.8.5 Where indicated on the Landscaping drawing a Permanent Amphibian Fence to be provided to

meet Ecology requirements

6.8.6 Ducts to be included for tenant requires fast barriers adjacent to main entrance gates.

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7 External Services

7.1 The Mechanical and Electrical Contractor shall carryout all necessary calculations and liaison

with Utility Authorities and Shippers. In order to obtain necessary supplies for the continuation of

the works and the subsequent operation of the entire premises.

7.2 The Mechanical contractor shall be responsible for making applications for the new incoming

water and gas mains, while the Electrical contractor will be responsible for the new incoming

power and to liaise with the telecoms provider to lay ducts for incoming telephone lines.

7.3 Electric

7.3.1 An incoming electric service duct will be provided for the Local Electricity Board to supply the

required capacity.

7.3.2 It is intended that the electrical supply shall come from a proposed sub-station and switch

room located near the service yard entrance.

7.4 Gas

7.4.1 Trenching will be provided to allow gas installer to lay in a service pipe to suit the demand of the

building as determined in conjunction with the Client. The trench will extend from the site

boundary from the proposed GRP meter housing and pulsed gas meter, to the intake position.

The gas supply will be sized to accommodate the future installation of warehouse heating.

7.5 Water

7.5.1 A pulsed water meter and water supply will be provided from the site boundary/public supply to

serve the building requirements. The contractor shall ensure that it is suitably sized to also

allow for a future sprinkler to be located as indicated on the site layout.

7.6 Communications

7.6.1 Three ducts will be provided from the site boundary to a designated intake point to serve the

communications requirements of BT, or other providers and computer modem.

7.6.2 Vacant ducts not less than 75mm diameter will be provided to suit the required wire ways of a

possible future CCTV installation, external signage provision and access control for vehicular

barriers.

7.6.3 Three spare 100mm ducts shall be provided to each corner of the building and taken into soft

landscaping to the perimeter of the site.



7.6.4 All ducts will be left clear with drawcords.



8 Mechanical Services

8.1 Temperature Requirements

Internal

Office and Reception Areas 220C winter (+/- 1.0oc)

23 0C summer (+/- 1.0oc)

Circulation 20oC winter (+/- 1.0oc)

Toilets 20oC winter (+/- 1.0oc

Stores 16oc winter (+/- 1.0oc)

External

Winter -3oc DB Saturated

Summer 28oc DB 20oc WB

8.2 Heating

8.2.1 The office and amenity block shall be heated by a wall mounted gas fired boiler, the boiler shall

circulate low temperature hot water to all associated wall mounted radiators, all radiators shall

have matching LSVs and TRVs, all Disabled WCs will have low surface temperature radiators.

8.2.2 Exposed pipework is generally to be avoided, but where it occurs it will be primed and painted.

8.3 Hot and Cold Water Services

8.3.1 An indirect unvented hot water heater shall provide hot water to all hot water outlets, the hot water

system fed from the gas boiler shall be a pumped return system.

8.4 Ventilation

8.4.1 Fresh air ventilation to the office area shall be provided by local heat recovery units located in the

ceiling void, fresh air shall be delivered at a rate of 12 l/s/person. Ventilation Units will be provided

with a summer by-pass.

8.4.2 Extract from WC areas shall be via a dedicated extract fan providing 6 air changes per hour.



8.5 BMS

8.5.1 A Building Management System shall be provided to control all the above services as well as

monitor all incoming service meters and sub-meters. This should be capable of integrattion of the

proposed tenants HVAC installation to the warehouse areas.

8.6 Passenger Lift

8.6.1 A 8-person/800Kg platform lift will be designed and installed to service the first floor level, Orona

or similar approved.

8.7 Sprinklers

8.7.1 Warehouse roof level sprinkler system with sprinkler pump house, tank and base to meet FM

requirements

Main Warehouse Roof Area (including over racking) The system will be a FM approved wet type sprinkler control valve/s therefore the area must be heated at all times to a minimum of 4ºC throughout. The roof system hydraulic criteria proposed to be designed using FM Global data sheet 8-9 and the clearance between the top of storage and the ceiling sprinklers between 1.5m and 3.0m with Class 4 cartoned unexpanded plastics therefore using Table 13 a roof sprinkler height of 6.0m to be adopted. Using table 3, 12 off K17 (240) ESFR upright sprinklers operating at a minimum pressure of 2.4 bar. Upright sprinklers to be adopted due to the fact the site plan details ‘hip-ends’ on the structure as it is impossible to design this type of structure with pendant sprinklers. Interfaces with other services The following interfaces with other services will be required to be supplied by others. Electrical power supplies to;

trace heating circuits in white wall cold rooms

Non-essential power supply to the pumproom ancillary equipment

Wiring of valve-set limit switches to BMS Panel

Power supply adjacent to the location of the pump monitoring panel

Off-site alarm signalling from each sprinkler control valve to BS EN 16.3.

Builders’ work including;

Fire pump room building erection including fire pump plinths etc.

Tank base for sprinkler water storage tank approximately 8m diameter.

Drainage for fire pump room and externally at sprinkler control valves.

Cable ducts from fire pump room to building.

Holes in walls and making good, including white room areas.

Office ceiling removal and making good.



Water supply to sprinkler tank.

9 Electrical Services

9.1 Mains and Sub Mains Distribution

9.1.1 To comprise of a main ACB/MCCB mains panel located in the warehouse. Local RCBO lighting

and power boards to be provided to each office floor level with associated sub metering. All

distribution to have 25% spare capacity.

9.2 Internal Lighting

9.2.1 Office block to comprise of LED light fittings in compliance with CIBSE interior lighting guidance

for offices. All areas shall have intelligent lighting control incorporating daylight switching and PIR

where practical. Emergency shall be installed in accordance with BS5266.

9.2.2 Feature lighting to be provided to reception area.

9.2.3 Bulkhead emergency fittings to be provided to all fire escape doors the warehouse area.

9.3 External Lighting

9.3.1 Comprise of a combination of high level wall mounted LED floodlights and car park columns with

architectural lantern to achieve average 25lux. Bulkhead emergency fittings to be provided to all

fire exit doors to the warehouse

9.4 Small Power

9.4.1 The office and lab areas will be provided with a three-compartment trunking system either dado

or skirting level floor which will provide 2 twin socket outlets every 3lm.

9.4.2 In the reception area 1no. floor box will be provided to positions agreed on site.

9.4.3 Cleaning sockets to be provided every 10m.

9.5 Fire Alarm

9.5.1 Comprise of smoke detectors and beacons in accordance with BS5389:2013 fire alarm and

BSEN54 for beacons. The system shall be an open protocol addressable system capable of being

programmed to have a minimum of 24zones with provision for loop expander cards.

9.5.2 Automatic fire alarm system to the office accommodation. The system is to be suitable for

expansion to the warehouse area.



9.5.3 Fire alarm call points to warehouse escape doors.

9.6 Lightning Protection

9.6.1 Lighting protection shall be provided in accordance with BSEN 62305.



10 Operation and Maintenance Manuals

10.1 Supply on completion three sets of operation and maintenance manuals including:-

Equipment Manuals;

Record Drawings;

System Description;

Contact Details;

Maintenance Procedures;

Commissioning Data;

Test Certificates.

Documents

CAT A Developers Specification