Changes regarding water efficiency have been proposed to ANSI/ASHRAE/USGBC/IES Standard 189.1-2011, Standard for the Design of High-Performance, Green Buildings Except Low-Rise Residential Buildings through the new addendum v. The addendum, which is open for review and comments until Jan 14, 2012, includes limits on the full-flush volume for all toilets at 1.28 gal per flush and limits […]
↧