Environmental and health related criteria for buildings - ANEC

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IBO - Environmental and Health related Criteria for Buildings OR d) Build on site with a lot area of less than 1/7 acre, or with housing density for the project that is equal to or greater than 7 units per acre. For multifamily buildings, the average lot size shall be calculated as the total lot size divided by the number of units. Notes: 1. Any “non-disturbance” zones must be protected from parked construction vehicles and building material storage. Soils compacted by vehicles or stored materials can cause major difficulties in establishing any new landscaping. 2. Homes on previously developed lots that disturb the entire lot during construction can earn this credit by meeting the requirements in part c) above.” Social Responsibility Noise or dust attenuation during the construction phase as well as further social criteria taking into account the interests of affected groups (neighbours, operatives, visitors on site, or the public in general) are not part of LEED for Homes rating system. LEED-NC 2009 takes into account air pollution prevention measures with respect to dust and particulate matter. 10.5. DGNB Draft criteria – residential buildings (May 2010) Apart from related issues, the DGNB scheme for residential buildings summarizes all construction-site relevant aspects in one sub-category named “Construction Site – Construction Process (Steckbrief 48)” under the main category “Process Quality” assessing: 1. Low-noise construction sites 2. Low-waste construction sites 3. Low-dust construction sites 4. Avoidance of soil contamination These four issues are weighted equally within the sub-category “Construction Site – Construction Process.” The following analysis assigns these topics to the headings used above to categorise construction-site related effects reverting to resource efficiency (construction waste management), social impacts (noise, dust, safety,..) and environmental impacts (erosion control,…). Construction Waste Management Low-waste construction sites 83 The highest performance level is achieved in case of - the statutory minimal requirements of the Waste Recycling and Management Law 84 are met, 83 Subissue of “Construction Site- Construction Process" 84 Kreislaufwirtschafts- und Abfallgesetz: Gesetz zur Förderung der Kreislaufwirtschaft und Sicherung der umweltverträglichen Beseitigung von Abfällen Final Report 116 31 03 2011
IBO - Environmental and Health related Criteria for Buildings - training of all employees in diverting and reducing construction waste - monitoring of unmixed waste diversion at central waste separation points through construction site management - separation of building materials into at least mineral waste, recyclable fractions, mixed construction debris, dangerous substances und asbestos-containing waste. Life Cycle Assessment Impacts as well as waste disposal from construction site activities are definitely excluded from the scope of Life Cycle Assessment which is required for the following impact and resource criteria GWP; POCP, ODP, AP, NP, non-renewable primary energy and total primary energy demand as the effects of construction site activities are regarded as insignificant and negligible within the whole lifecycle of a building whereas transports will be integrated in one of the next versions 85 . Waste disposal must be assessed for all materials at the end of lifetime of the building and all replaced building materials during use stage (phase of consideration 50 years). Ways of disposal ways are prescriptive for the following product groups as listed below: (1) Metals - recycling (2) Mineral materials – processing of construction rubble (3) Materials with heating value (wood, plastics, etc.) – thermal utilisation (4) Heating generation systems – according to data in Ökobau.dat 86 (5) All other materials disposable to construction waste landfills or household garbage dumps – disposal to landfill Life Cycle Costs Neither waste disposal costs for constructing nor for demolishing the building are taken into account in the calculation method of LCC (Life Cycle Costs) as defined in the draft version of DGNB certification system for residential buildings 87 . Design for reassembly, reuse and recycling is one main criterion within DGNB considering buildings as resources for future building materials. The optimisation and reduction of siterelated construction waste is not dealt with. Environmental Impacts (to soil) Within the sub-category “Construction Site – Construction Process” environmental impacts resulting from construction site activities are assessed only with respect to soil 4. Avoidance of impacts to soil Soil contamination through chemical substances must be prevented as well as harmful soil compaction or mixture of different soil layers. Technische Anleitung zur Verwertung, Behandlung und sonstigen Entsorgung von Siedlungsabfällen (Dritte Allgemeine Verwaltungsvorschrift zum Abfallgesetz) vom 14. Mai 1993 Verordnung über die Nachweisführung bei der Entsorgung von Abfällen 85 DGNB Draft Scheme Residential Buildings - May 2010, Steckbriefe 1-5, 10-11 86 Ökobau.dat (Informationsportal Nachhaltiges Bauen > Baustoff- und Gebäudedaten) 87 DGNB Draft Scheme Residential Buildings - May 2010, Steckbrief 16 Final Report 117 31 03 2011
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