water conservation measures in green building by sijia cao
TRANSCRIPT
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Water Conservation Measures in Green Building
By Sijia Cao
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AgendaGreen Building
o LEED Water Conservation Measures
o Water Efficient Landscapingo Innovative Wastewater
Technologieso Water Use Reduction
Case study (Sidwell Friends School, Washington DC)
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Green BuildingGreen building refers to a structure and using process that is environmentally responsible and resource-efficient throughout a building's life-cycle: from siting to design, construction, operation, maintenance, renovation, and demolition. (Wiki)
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Green Building- LEED
Leadership in Energy and Environmental Design
Developed by USGBCA suite of rating Systems6 Categories (Sustainable Sites, Water
Efficiency, Energy & Atmosphere, Materials & Resources, Indoor Environmental Quality, Innovation in Design, Regional Priority)
4 Certification Levels
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Water Conservation Measures
o Water Efficient Landscaping
o Solidago (Invasive)
Efficient irrigationCaptured rainwaterRecycled wastewaterPlant species
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Water Conservation Measures
Innovative Wastewater Technologies (Treat on-site)
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Water Conservation Measures
o Water Use Reduction (Water-saving instruments)
ultra low volume
Water use Reduction
Cut water use by 20%, excluding irrigation
Energy Policy Acts of 1992, 2005;IAPMO/ American National StandardsInstitute UPC1-2006, UniformPlumbing Code 2006, Section402.0; International Code Council,International Plumbing Code 2006,Section 603, Design of Building WaterDistribution System
Owner, architect, engineers,design team
Credit Title
Requirements
Referenced Standards Decision Makers
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Case study --Sidwell Friends School
Where: Washington DCWhen: September 2006What: LEED Platinum Building
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Water Efficient Landscaping in Sidwell Friends School
Efficient irrigation:Planting native species, drought resistant and able to thrive naturally in our area eliminates the need to irrigate, saving water and energy
Captured rainwaterWater loss and soil erosion
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Innovative Wastewater Technologiesin Sidwell Friends School
Restroom(toile
ts, sinks)
Pre-treatment tank
Flow
splitter
two wetla
nd terrace
cells(de-nitrification)
approximately 2 inche
s belo
w the surface,
through the
thick web of
roots and
gravel.
Excess
nitrogen is
removed from the
waste
water by
microorganisms and used by the
plants as
fertilizer.
trickling
filter (add
oxygen to) the
water)
sand
filter(Bacteria on the surface of
the grains of
sand
break
down
small
remaining
waste
particles)
Reuse Holding Tank (reclaimed water/grey water)
93% less water used
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Thank you