THE LATEST ASHRAE STANDARD 189.1 includes
benchmarks for stormwater management
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New User’s Manual for Standard 189.1
Navigate over 65 changes in the 2014 edition
Need help deciphering ASHRAE Standard 189.1-2014 for high performance build- ings? A newly published User’s Manual clarifies the intent and implementation of the guidelines by explaining its requirements and providing example applications. Over 65 individual addenda were modified across all sections so it’s worth a look
at the changes.
Key provisions include:
■ Minimum stormwater management
■ New rules for bicycle parking, as well
as preferred parking for hybrid, low-emission and electric vehicles.
■ A mandatory predesign assessment
of native and invasive plants.
■ Prescriptive paths for on-site renewable generation.
■ Two performance options that
will comply with energy efficiency
■ Addition of lighting quality to the
scope of the indoor environmental
■ Requirements for lighting controls and preoccupancy ventilation.
■ Clarification about the air sealing of filtration and air cleaning equipment.
■ Moisture control guidelines to reduce negative impacts associated with moisture
migration through the building envelope.
■ Prerequisites for multiple-attribute product declarations or certifications.
■ Maximum mercury content of certain types of electric lamps.
Standard 189.1 addresses water, energy, indoor environmental quality, construction,
emissions, materials and operations. Full details available at ashrae.org/greenstandard.
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The days of trading off green qualities for practical performance are long gone for
this class of products. But in case you have any doubts, know that all Green Squared
items must meet the durability requirements as outlined in ASNI A138.1.
Crossville, which certifies its offerings, appreciates how a product’s environmental
profile is clearly outlined for specifiers looking to make green choices.
“Owners can take comfort that they’re placing a product into their building that
complies with a green standard and is produced by a responsible manufacturer,” says
Noah Chitty, Crossville’s Technical Services Director. “Tiles are also guaranteed to
meet a certain minimum level of performance; without a standard, you’re just
“Green Squared takes all the concerns of a facility manager – performance, low
maintenance and sustainability – and addresses them in a single, transparent stan-
dard,” Griese adds. “We’ve done the work for you.”
Jennie Morton firstname.lastname@example.org is Senior Editor of BUILDINGS.