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Sustainable Construction : UK perspective and West coast experience

Sustainable Construction : UK perspective and West coast experience. UK perspective 1 Since 1970s UK sustainability focussed on energy issues – future availability, cost Progress driven by legislation to practical limits Latterly, carbon is driver – global warming

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Sustainable Construction : UK perspective and West coast experience

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  1. Sustainable Construction : UK perspective and West coast experience

  2. UK perspective 1 • Since 1970s UK sustainability focussed on energy issues – future availability, cost • Progress driven by legislation to practical limits • Latterly, carbon is driver – global warming • Sustainability now more broadly defined

  3. UK perspective 2 • Lesser concerns around materials • Embodied energy / protecting resources • Progressive greening often client driven • Utilisation of ‘indicators’ e.g. BREEAM

  4. Issues for UK architects • Concerns about material use / wastage • Costs of disposal • Contractor issue? • Egan and Rethinking Construction • Reduction in waste – not reduction in resources?

  5. Sustainable Construction : West coast experience

  6. West coast experience • Energy a lesser issue – hydro power, low carbon • Conservation of resources is cultural issue • Preservation of natural habitat – lumber, water

  7. West coast experience– Koo’s Corner • High plot ratio - 0.95 • Existing garage structure re-used • 50% timber frame recovered timber. Floors reclaimed glu-lam beams • Concrete with 50% fly-ash cement replacement

  8. West coast experience– Koo’s Corner • Exterior cladding composite of cement/wood waste • Floor tiles re-cycled porcelain • Rain water recovery, permeable surfaces

  9. West coast experience – REI Store • Re-use of site – re-cycled 76% materials • Stone used involved no active quarrying • Extensive use of timber in structure and finishes • Early use of fly-ash in cement for concrete

  10. West coast experience – REI Store • No new timber greater than 75 x 200 • Extensive use of glu-lam in structure • Wall sheathing uses oriented stand board • No finishes or low VOC

  11. Sustainable Construction : • Lessons for UK Architects • Potential for greater use of timber and timber products • Use of materials and components with re-cycled content • Choice of finishes

  12. Sustainable Construction : • UK Architects need • The case for sustainable construction • A clear focus – what are the key sustainability criteria? • Better information about materials and products and the impact of their use on the environment

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