Sustainable Construction Oxford

Willmott Dixon Construction – Towards Zero Waste

Richard James – Re-Thinking Consultant

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HOUSING

HOMES

PARTNERSHIPS

SUPPORT SERVICESREGENERATION CAPITAL WORKS

Willmott Dixon Group structure

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Zero Waste to Landfill Commitment

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Presentation Structure

•Minimising Waste Through Design

•SWMPs and On-Site Practice

•Engaging Subcontractors

•CD&E Waste Contractors

•‘Closing the Loop’

•Measurement, Reporting and

Performance

•Towards Zero Waste

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Minimising Waste Through Design

Design Review Workshops

Five Key Principles – Designing for:

• Reuse and Recovery

• Off Site Construction

• Material Optimisation

• Waste Efficient Procurement

• Deconstruction

Case Study Results - Savings:

• 245.85 tonnes waste

• £29,879 costs

• 450.61 tonnes embodied carbon

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SWMPs and On-Site Practice

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SWMPs and On-Site Practice

Predicted Waste Waste Management Options

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SWMPs and On-Site Practice

Waste Champions

150+ Trained

Skip SignageSkip Set-Up

• Maintain, update & review SWMP• Storage areas• Develop waste management initiatives• Coordinate subcontractors

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Engaging Subcontractors

UK Government… Willmott Dixon…

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Engaging Subcontractors

Subcontractor Approval• Environmental Policy mandatory at all relationship levels• Signed up to WD Sustainability Strategy• Environmental Management System for Partnered/Preferred

Subcontractor Appointment• Work in accordance with SWMP• WRAP reviewing appointment documents to include waste

minimisation and segregation requirements

Performance Management System• Scored quarterly across all sites – affects relationship category• Specific waste management questions…• Eliminating/Minimising/Segregating/Duty of Care/Housekeeping

• Environmental Management System for Partnered/Preferred

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Environmental Management SystemTraining Workshops

Engaging Subcontractors

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Audit Waste Contractors:

• Duty of Care Documentation

• Segregation Levels

• Service Levels

• Working Environment

• Lower Costs (>25%)

Waste Contractors

PAS 402 / Green Compass

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Demolition Contractors

COLSTON HALL DEMOLITION

METAL RUBBLE SOFT STRIP ASBESTOS

LA MooreSOM/745118

EMR Gloucester SY123

Sim Metals EAWM/26180

JC Thomas ENW/030822

LA MooreSOM/745118

To the marketUsed on site

LA Moore SOM/745118

Southwood Waste Management SOM/745291 ENW/032218 & Viridor

Yanley Landfill AEWLM/26015

3600 Tonnes 4785 Tonnes

Hills MineralsWIL/901112/CB

SITA BKM/051252/CB

Viridor Yanley BT/7272

LA MooreSOM/745118

Viridor Yanley BT/7272 Hills Minerals CP/3035/PF

3 T TO LANDFILL 8.34 T TOLANDFILL

9 T TO LANDFILL57 Tonnes 45 Tonnes 37 Tonnes 190 Tonnes TO LANDFILL

8524 tonnes reused/recycled

210 tonnes to landfill

97.6% DIVERTED FROM LANDFILL

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Groundwork Contractors

127,625m3

33,030m3

INERT WASTE

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Measurement, Reporting and Performance

Waste Composition Chart

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Ceramics Concrete Electrical Furniture Inert

Insulation Metals Office/Canteen Packaging Plaster

Plastics Timber Vegetation Liquids and Oils Other Hazardous

Waste Destination Chart

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Diverted from Landfill

Waste to Landfill

Detailed SWMP Data…

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Measurement, Reporting and Performance

WRAP Standard Reporting Guidelines:

• 72.2% Diverted from Landfill

2009…

• 80%+ Diverted from Landfill

Willmott Dixon Construction 2008 Waste Data:

• 18,305 waste containers

• 213,166m3 total waste

• 65% Excavation, 12% Demolition, 23% Construction

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‘Closing The Loop’

Sub Head Title • Measure RC using WRAP Net Waste Tool

• Implement ‘Quick Wins’

• Encourage and influence designers and architects

‘Closing The Loop’

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Towards Zero Waste

2009

80%+ Diverted from Landfill

Sub Head Title2010 – 2012?

Advanced Waste Treatment

Material specification – eliminate what cannot be recycled

Working with the best Waste Management Contractors

Towards Zero Waste

IMPROVED WASTE INFRASTRUCTURE IS CRUCIAL

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Towards Zero Waste

WORKSHOP