29 Jul '11, 4pm

What does average pressure differential mean?

What does average pressure differential mean?

This credit requires compliance with a varied group of items that cumulatively help keep pollutants out of the indoor air. These requirements include self-closing doors on janitors' closets, MERV Minimum efficiency reporting value. 13 filtration on mechanical equipment, and entryway trackoff systems. Compliance will require the coordination of team members—including the mechanical engineer, architect, plumbing engineer, and contractor—and also impact project design and operations. The basic requirements are: Permanent entryway walk-off systems at least 10 feet long (up from 6 feet in previous versions of LEED) at all regularly...

Full article: http://www.leeduser.com//credit/Schools-2009/IEQc5#commen...

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