Carbon Management –A Contractor's PerspectivePeter JonesDesign Director

Skanska UK - Scotlandwww.skanska.com

Peter.jones3@skanska.co.uk

UK's Greenest Construction Company (The Sunday

Times Best Green Companies Awards 2010)

Johan Karlström, President and CEOSkanska AB

“We are determined to be the leading green project developer and contractor.

The demand is in the market place.

It is:- A great business opportunity- Right for the planet- Attractive for our people”October 2010

What we are doing at Business level?

Green Products and Services

226

450

117

47

238

149

101

30

0 100 200 300 400 500

Renewable energy sources

Energy efficient design solutions

Low carbon solutions

Carbon monitoring of projects

Eco design evaluation and certification

Refurbishment / retrofitting of infrastructure

Factory engineered / prefabricated solutions

Others

Number of Responses

Listening to our Clients - What 'green' products or services would you like us to focus on in the next 2-4 years?

Carbon as a currency

− Evolving client requirements− Increasing interest in carbon foot printing− Supply chain reporting− Low carbon solutions

− Driving force behind green business− Quantifiable− Linked to financial benefit− Tradable

− CRC / Greenhouse Gas Reporting Regulations

Skanska Achievements− CRC is worth around £200,000 to Skanska UK

− Developed a bespoke reporting system to address CRC legislation

− Since 2008 our total emissions have dropped by 7.5%

− Green Car policy and vehicle tracking on commercial fleet represent bulk of this 7.5% reduction− 60% of staff car fleet now 130gCO2 or below− Average emission from Skanska vehicle down from 9.9TCO2 per

year to 8.53TCO2 per year

− Since 2005 CO2 emissions at head office reduced by 18% and continuing to drop

What are we doing at Project level?

Zero−Waste (to landfill)

−Unsustainablematerials

−Net primary energy

−Carbon construction

−Water discharge

−Haz Materials

Color PaletteTM – Our Journey to Deep Green

Energy

Carbon

Materials

Water

Vanilla Deep GreenGreen

−Rules

−Regulations

−Standards

−Codes

Compliance Future proofBeyond compliance

Energy

Carbon

Materials

Water

25 % better thanlocal code

Net ZeroPrimary Energy50 % better than

local code75 % better than

local code

Near Zero CarbonConstruction

Carbonconstruction

footprintestablished

Over 25 % reductionin footprint

Over 50 % reduction in

footprint

Potable water consumption reduced

by 10%.

Potable waterconsumption reduced by >

25% .

Potable water consumption

reduced by by >50%.

< than 10% waste to landfill

< than 5% waste to landfill

< than 2.5% waste to landfill

Net ZeroWater

Zero UnsustainableMaterials

Zero Waste

Future Proofing DesignContinuous Improvement to Net Zero

Com

plia

nce

with

loca

l cod

es

CO2 analysis supporting early decision making

Skanska BIM template set-up:CO2 data & formulas

Producing BIM by using Skanska template & guidelines

Automated reporting from BIM: Listing of materials/ structures and multiplying their quantities with corresponding CO2 factors

Comparative data for decision making

EmbodiedCO2 footprint for the design alternative

11

Nyhamn, Gävle, SwedenSkanska Sweden

Comparison with the help of BIM-analysis

Concrete wall72107,6 kg CO2eq

Brick wall60010,9 kg CO2eq

Project Cast Studies

Green Solutions

Green Project Case Studies

CO2 measurement and reduction

Carbon CalculationCambridge STW, UK

CO2 calculation demonstrating, Operations 80%,Production and materials 20%.One Kingdom Street, London, UK

CO2 calculation testing on building project.Blå Jungfrun, Stockholm, SWE

New Client Demands –Calculation of CO2 footprint

One Kingdom Street, LondonClient: Development Securities

Understanding CO2 Emissions from Construction Operations

End of life2%

Piling4%

Concreteworks18%

Steel 35%

Roofing &cladding9%

Raised floors, walls & partitions 7%

Lifts, M&E & Fitout 12%

Onsiteworks13%

Carbon Footprint: One Kingdom Street, London

Carbon Measurement

− Operation ~ 80%

− Embodied ~ 20%

New Client Demands:

loca

lcod

es, s

tand

ards

and

regu

latio

nsin

pla

ce59 % energy reduction in comparison with local regulations

Code Compliant

Preliminary Carbon Footprint made

Prefabricated form work

Blå Jungfrun, Sweden

Net ZeroPrimary Energy

Net Zero Water

Near ZeroCarbon Construction

Zero UnsustainableMaterials4)

Zero HazardousMaterials 5)

Zero Waste

Renewable EnergySaving 1,700 t of CO2£120k in energy p.a.Kings Mill Hospital, Nott's, UK

50MW wind farmLos Vilos, Chile for SN Power

100% renewables for heating and coolingUN House, Oslo, Norway

EnergyKingsmill Hospital: Zero Net Primary Energy

• 5,400kW cooling (all the cooling for the site)

• 5,000kW heating (large proportion for the site)

• Saving 9,600MWh of Gas & Elec. annually

• Saving 1700 Tonnes of CO2 annually

• Saving £120,000 in Energy Bills annually (based on 2006 prices)

• Pay for itself in 10 years (based on 2006 prices)

Lake Source Heat Pump Solution

Our approach to Sustainable Development can be seen at

http://www.skanska.com/en/Sustainability/

Or check out projects with Sustainability Aspects at http://skanska-sustainability-case-studies.com/

Further Information