Future Proofing Our Bridges
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Future-proofing our bridges
Bridge Design & Construction ExchangeColin Courtney, Skanska15th – 17th May 2011Amsterdam
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Skanska in short
− Founded 1887 in Sweden− International business since 1897− Listed on the Stockholm Stock Exchange− 2010 revenues: SEK 122 billion− 52,000 employees − Member of UN Global Compact
Älvsborgsbron, Gothenburg, Sweden
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− Skanska’s Sustainability Agenda
− Bridges surviving the test of time
− Innovation with the future in mind
− Future-proofing our bridges - a check list of some things we can do to safeguard society and the environment, making our bridges more sustainable.
Content
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Skanska’sSustainabilityAgenda
Social Element
CommunityInvolvement
Human Resources
Business Ethics
Local Impacts
Carbon
Project Selection Supply Chain Value Added
Skanska Color Palette TM
Health & Safety
Energy WaterEnvironmentalElement
EconomicElement
Skanska’s Sustainability Agenda
Materials
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Skanska’sSustainabilityAgenda
Social Element
CommunityInvolvement
Human Resources
Business Ethics
Local Impacts
Carbon
Project Selection Supply Chain Value Added
Skanska Color Palette TM
Health & Safety
Energy WaterEnvironmentalElement
EconomicElement
Skanska’s Sustainability Agenda
Materials
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Øresund bridge
Collaboration - nature reserve - sensitive lighting reduced air pollution - easier commuting - job opportunities
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Cooper River Bridge (Arthur Ravenel Jr)
Public participation - local employment - safer - environmental protectionand enhancement - reduced commuting time - boost to tourism
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Cooper River Bridge (Arthur Ravenel Jr)
Going for … a stroll … a jog … a chat … along the bridge
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St Larsbron Linköping
Client open to alternatives - reuse of materials - reduced environmental impact - local sourcing - safer solution
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St Larsbron Linköping
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Grudziadz bridge
Design change to facilitate migration and movement of birds and mammals
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Sustainability Project Case Studies http://skanska-sustainability-case-studies.com
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Innovation with the future in mind …..
Recycled material Gabion stone for facing to bridge abutment – crushed concrete recycled on site
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Use of Site Won Structural Fill
Introduction of a compressible filler board allowed use of 4000t of recycled ‘selected granular fill’ behind integral abutment . This would have been too stiff with out the filler board.
Innovation with the future in mind …..
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100% FSC timber certified for footbridge
Recycled anti slip plastic another option
Innovation with the future in mind …..
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Durakerb®
Recycled plastic, light,easy to transport, handleand install
Innovation with the future in mind …..
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Bat boxes Careful orientationand siting required
Innovation with the future in mind …..
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Checklist for a sustainable bridge
− Enlightened clients
− Attention to health and safety
− Collaboration with the local community
− Address local economic issues
− Protection and enhancement of the environment− Energy − Carbon− Materials− Water− Local impacts
− Consider the complete life cycle
− Local supply chain involvement.
− Enlightened engineers - design to last
Future proofing – safeguarding society and the environment
Deep Green solutions