Sutainable Design Topic 1 Site Issues可持续的的设计主题 1现场问题

1、high performance workshop/charrettesustainable sitessession 4akey principleszselect the site carefullyzunderstand the sitezprotect and restore the sitezlandscape sustainablyzdesign with the sitesite selectionzdeveloped site or brownfield vs. pristine ecologically sensitive areaszexisting structurezt

2、ransportation accessznew infrastructureunderstand the sitezlandformsygeology, topography, soils, hydrologyzvegetationzwildlife habitat and corridorszclimate/microclimateytemperature, solar, wind, rain, humidityzhistory of land usezaesthetics and viewsztoxics and hazardssite protection/restorationzec

3、ologically significant areaszbuilding footprint and associated construction (roads, parking, etc.)zstormwater and erosion controlszimpacts of constructionstormwater managementzsheet flow vs. concentrated flowzinfiltrationzgrassed swaleszconstructed wetlandszsediment trapszstormwater reusezless imper

4、vious pavinglandscape sustainablyzindigenous plants and trees to reduce need for water, fertilizer, pesticideszlandscape for energy efficiencyzintegrated pest management instead of chemicalsdesign with the sitezsolar orientationzavoid cut and fillznatural features for natural heating and cooling, da

5、ylighting, drainage, etc.site summaryz the best engineered and designed projects feel natural, comfortable, and appropriate to the area. they are maintainable, sustainable, and cost effective.total available credits: 14z(p) erosion and sediment controlzsite selectionzavoid inappropriate sites (1 of

6、5 criteria) (1)zurban redevelopmentzincrease localized density (1)zbrownfield redevelopmentzdevelop brown field site/remediation zaccording to epa (1)leedtm sustainable sites111leedtm sustainable siteszalternative transportationlocate within mile of rail or subway or mile of 2+ buses (1)provide bike

7、 racks/changing/shower 5% bldg. occupants (1)alternative fuel refueling stations for 3% of parking (1)size parking to minimum zoning and provide 5% preferred parking for carpools or no new parking and provide 5% preferred parking for carpools (1)1-4leedtm sustainable siteszreduced site disturbanceli

8、mit greenfields disturbance to 40 ft beyond bldg. perimeter, 5 ft beyond roadway/ walkway/main utility branch, 25 ft beyond pervious paving areas or restore 50% open area on developed sites (1)reduce footprint 25% of open space requirements (1)1-2leedtm sustainable siteszstormwater management no inc

9、rease in existing to developed or 25% decrease if existing imperviousness is greater than 50% (1)treatment system to remove 80% tss, 40% tp by best management practice per epa 840-b-92-002 v93 (1)1-2leedtm sustainable siteszlandscape and exteriorprovide 30% shade or 30% high albedo materials or 50% underground parking or 50% open grid paving (1)75% roof is energy star