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
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