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Site Waste Management Plans and the Code

Site Waste Management Plans and the Code. Dr Mervyn Jones, WRAP. WRAP’s construction focus:. WRAP’s seven programmes. Waste minimisation and management Materials recycling Procurement - (Recycled Content). Materials resource efficiency.

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Site Waste Management Plans and the Code

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  1. Site Waste Management Plans and the Code Dr Mervyn Jones, WRAP

  2. WRAP’s construction focus: WRAP’s seven programmes • Waste minimisation and management • Materials recycling • Procurement - (Recycled Content)

  3. Materials resource efficiency Overall material consumption by construction industry (>400 Mt per year) M tonnes Overall waste generated (>150 Mt per year) Quantity of construction and demolition waste generated (~100 Mt per year inerts) controlled waste (~20 Mt per year) Waste construction materials that are recycled / re-used (~60 Mt per year)

  4. Materials efficiency as part of sustainable construction Sustainability goals Green Guide Demolition Protocol Energy Materials Water Material selection Waste management Ecopoints Use less material Waste avoidance and minimisation Efficient use of finite natural materials Return surplus materials Use local C&D waste / reclaimed products Segregate, recover, reclaim and recycle Use products with higher recycled content Minimising environmental damage DTI Site Waste Management Plans Specification of materials with low enviro. impact RC Toolkit

  5. Code for Sustainable Homes (2006) • 'Where the site waste management plan includes procedures and commitments that minimise waste generated on site in accordance with WRAP/Envirowise guidance'

  6. Waste Management Hierarchy • Reduce the generation of waste • Reuse materials for the same or a different purpose • Recycle the materials to recover value • Dispose, using the best practical environmental option

  7. True Cost of Waste • e.g. 8 cu yd skip • Skip hire £120 • Labour to fill skip £163 • Cost of materials put in skip £1095 • TOTAL TRUE COST £1378 • (Source: AMEC)

  8. Example – Concrete Block True cost of waste Extraction of raw material for block Delivered to point of fix Energy for block manufacture Broken whilst being laid Stored for transport Taken to waste container Delivered to site Disposed of Stored on site Embodied energy at all stages!

  9. Potential savings • Case studies have shown savings of: • 3% of build costs • 20% of materials on site • 0.2% of total project costs saved through segregation (Source: Taylor Woodrow)

  10. Residential Waste Streams • The top five waste streams for residential, in terms of arisings are: • Concrete & bricks • Packaging • Timber • Plasterboard • Miscellaneous

  11. Waste per average newbuild house • Typical 80m2 housing unit = • 15.36m3 waste • Approx 5 skips • 9.6 tonnes • £6,715

  12. Waste Segregation • Basic waste segregation into: • General Waste (Non-hazardous) • Inert Waste • Mixed Metals • (+ Hazardous waste separated out)

  13. £90 £90 £0 £258 £90

  14. Waste Segregation • Housing development (30 skips /week): • Mixed waste system = £4,970 • Segregated waste = £1,935 • Ca 60% saving

  15. SWMP format • 3 elements: Guidance Checklist (35 questions) Data recording sheet • Guidance covers: Waste and legislation Duty of care Waste minimisation Training materials Reporting requirements www.wrap.org.uk/construction/on_site

  16. Message of SWMP • Pre design stages Part of early project planning process as a framework introducing other tool & requirements such as demolition protocol, duty of care etc • Design stages The design is a key factor in influencing waste arising during construction. Encourage design team to reduce waste at source. • Construction stages Implement on site at all levels of construction activity. Communication and training to all site staff, where necessary.

  17. Site Waste Management Plans: Current Practice

  18. Housing Sector SWMP Support • Sector specific suite of tools, requirements and guidance • Provides model templates, requirements and clauses for incorporating into new and existing SWMPs based on: • Standard practice • Good practice • Best practice

  19. Housing Sector SWMP Support • Specific elements include: • Guidance for commissioning clients and housebuilders • Template for developing a waste strategy • Model clauses for • Trade contractors • Waste service providers • Requirements for good and best practice implementation of SWMPs

  20. Materials Resource Efficiency in Construction www.wrap.org.uk/construction

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