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This is the presentation used for the second of our tensile fabric webinars, a refresher programme for architects. Webinar 2 is called 'Realising your tensile fabric vision' and includes topics such as The procurement route, Specifying tensile fabric and Engineering interfaces. You can also watch recordings of the narrated webinar series, simply visit www.basestructures.com/portal/tensile-fabric-webinars.html. For more information please visit our website www.basestructures.com
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The tensile fabric webinar seriesWebinar 2: Realising your tensile fabric vision
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Kevin Hemmings, Architect
Hello
Over 27 years of tensile fabric experience
Had a hand in some of the most exciting tensile projects in the UK and overseas
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We are Base Structures
Hello
Incorporated in 2001
Key Projects
The London 2012 Games, Lords Cricket Ground, Heathrow Terminal 5, Up at The O2
Based in Bristol, UK
Operating worldwide
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The tensile fabric webinar seriesAn architect’s tensile fabric refresher programme
Webinar 3London 2012 Games – The Basketball Arena & Shooting Ranges
Webinar 2Realising your tensile fabric vision
Webinar 1Getting started – inspiration, tips and tools
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Webinar 2
The procurement route
Specifying tensile fabric
Engineering interfaces
Realising your tensile fabric vision
Top tensile tip Q&A
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The procurement route
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Step 1: Feedback
üü
üû
Our service pro bono
Viability of shape
Budget
Loads
Programme
So you have a design idea, you need to know:
Fabric choice
ü
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Step 2: Tendering
Design & build Two stage tender
The different procurement options
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Step 2: Option A
Request design ideas
Tenderprocess
ü Deferred design costs
Wide range of ideasüû Like for like comparisons difficult
û No early warning of imposed loads
û Limited up-front support
û Potential problems not thought through
Design & build
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Step 2: Option B
Completepreliminary
design
Tender or check prices
• Design development• GA for planning permission• Tender drawings• Specifications• Fixed quotes
ü Viable design
Cost certainty
Imposed loads are known earlyon in project
All interfaces are resolvedü
üü
Two stage tender process
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Do you need a Main Contractor?
Yes – Main Contractor appoints a specialist tensile sub-contractor
90%
10% No – Tensile specialist works as a principle contractor
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Contracts
NEC contract
Purchase order
12 month retention
Warranties and O&M manuals
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Overseas
Local partner takes contract
Base design and manufacture membrane
Local steelwork
Base supervise installation
Scandinavia, Middle East, USA & Brazil
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Choosing a tensile fabric company
Relevant experience
Turnover
Quality
In house or sub-contract?
Finances & insurances
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Specifying tensile fabric
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Fabric criteria
Lifespan
Fire rating
Transparency
Maintenance
Cost
Colour / Printing Translucency
Retractable / relocatable
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Tenara
Silicone coated glass
PTFE coated glass
PVC coated polyester
Exterior fabric choices
-Cost effective-Relocatable-Colours-Printable
-Long life-Easy to clean
-Long life-High translucency-Eco friendly
-Retractable-High translucency
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PTFE coated glass mesh
PVC coated polyester mesh
Exterior mesh choices
Reinforced mesh
Clear PVC coated mesh
-Printable-Range of colours
-Non-printable-White/silver/black-Long life
-Woven steel strand
-Watertight-High translucency
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Sprung sports hall
Sprung structures
Insulated fabric buildings
Insulated cross section
-Temporary or permanent-Relocatable
-ISO 9001 accredited-‘Excellent’ Breeam rating
-230mm fibreglass insulation-U value of 0.18
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Single-skin framed ETFE
ETFE cushion
ETFE choices
Single-skin cable supported ETFE
-Thermal performance -Modular
-Cheaper than glass -Neat appearance
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Silks +Lycra
Cotton / polyester
Coated glass cloth
PVC meshes
Interior fabric choices
-Glass or polyester base cloth-Wide range of openness-Printable
-PTFE or Silicone-Perforated
Stretch fabrics
-Huge range of colours and textures
-Useful stretch characteristic
-Paintable-Huge range of colours and textures
-Unreinforced PVC
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Engineering interfaces
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Form finding & load analysis
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Biaxial fabric testing
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Cutting patterns and nesting
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Fabric boundariesCable edge & membrane cuff
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Fabric boundariesCable edge & membrane cuff
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Fabric boundariesLuff track edge
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Fabric boundariesLuff track edge
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Fabric boundariesLuff track edge
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Fabric boundariesLuff track edge
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Basketball ArenaLuff track framed
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Basketball ArenaLuff track framed
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Ground attatchment
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Building connectionFirst fix brackets
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Building connectionFirst fix brackets
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Building connectionFirst fix brackets
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Building connectionFirst fix brackets
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Building connectionFirst fix brackets
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TEXO overcladdingModular framing system
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TEXO overcladdingModular framing system
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TEXO overcladdingModular framing system
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TEXO overcladdingModular framing system
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The tensile fabric webinar seriesAn architect’s tensile fabric refresher programme
Webinar 3London 2012 Games – The Basketball Arena & Shooting Ranges
Webinar 1Getting started - Inspiration, tips and tools
Webinar 2Realising your tensile fabric vision
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The tensile fabric webinar series
The vision The challenge The solution
Webinar 3 preview: London 2012 Games – The Basketball Arena & Shooting Ranges
Register now! www.basestructures.com/portal/tensile-fabric-webinars.html
