C
Landscape
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The system should capture rainwater and plumb it to offset potable water use for nonpotable demands, such as landscape irrigation, flushing toilets / urinals, or laundry. Captured water must offset at least 25 % of the demand for indoor and outdoor non-potable water. Credit for this measure may be achieved by using a rainwater harvesting system and / or a graywater system.
C9.
VERIFICATION Documentation: The Rater will collect the following:
INTENT
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Specifications confirming the size of the cistern( s) for single family projects Calculations showing offset of potable water demands from the civil engineer or other responsible party for multi-family projects
To reduce the use of potable water for landscape irrigation. To reduce stormwater runoff by collecting rainwater on site.
RECYCLED WASTEWATER IRRIGATION SYSTEM
CRITERIA FOR QUALIFICATION
One point of credit is available for installing a“ purple pipe” system that uses municipally recycled water for the home’ s irrigation system. Installing the pre-plumbing necessary for a purple pipe for future use qualifies for this measure.
VERIFICATION
Field Verification: The Rater will compete field compliance verification and representative photos of the purple pipe.
INTENT To reduce the use of potable water for landscape irrigation by using municipally supplied recycled water.
C10. SUBMETER OR DEDICATED METER FOR LANDSCAPE IRRIGATION
CRITERIA FOR QUALIFICATION
DRAFT
Two points of credit will be granted for installing a landscape sub-meter combined with irrigation controllers.
VERIFICATION Field Verification: The Rater will complete field compliance verification and a photo of the sub-meter.
DRAFT GreenPoint Rated New Home Rating Manual 20 Version 6.0, September 2013
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