future proofing our bridges

Future-proofing our bridges

Bridge Design & Construction ExchangeColin Courtney, Skanska15th – 17th May 2011Amsterdam

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

− 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

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

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

Øresund bridge

Collaboration - nature reserve - sensitive lighting reduced air pollution - easier commuting - job opportunities

Cooper River Bridge (Arthur Ravenel Jr)

Public participation - local employment - safer - environmental protectionand enhancement - reduced commuting time - boost to tourism

Cooper River Bridge (Arthur Ravenel Jr)

Going for … a stroll … a jog … a chat … along the bridge

St Larsbron Linköping

Client open to alternatives - reuse of materials - reduced environmental impact - local sourcing - safer solution

St Larsbron Linköping

Grudziadz bridge

Design change to facilitate migration and movement of birds and mammals

Sustainability Project Case Studies http://skanska-sustainability-case-studies.com

Innovation with the future in mind …..

Recycled material Gabion stone for facing to bridge abutment – crushed concrete recycled on site

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 …..

100% FSC timber certified for footbridge

Recycled anti slip plastic another option

Innovation with the future in mind …..

Durakerb®

Recycled plastic, light,easy to transport, handleand install

Innovation with the future in mind …..

Bat boxes Careful orientationand siting required

Innovation with the future in mind …..

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