The table in the form asks for the Location of th AHU, not the location that the temporary filter is installed. Do we have to list each filter used at each return grill, or just each AHU and the type of filter used?
I have a project where the GC listed just one filter per AHU, but he also listed a replacement filter MERV of 8, so I believe he listed the wrong filters. Each of our units has a return air filter at the unit, but this does not protect the return ducts from construction dust.
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Dylan Connelly
Mechanical EngineerIntegral Group
LEEDuser Expert
472 thumbs up
October 10, 2012 - 1:43 pm
You are correct, per the language of the credit:
"If permanently installed air handlers are used during construction, filtration media with a minimum efficiency reporting value (MERV) of 8 must be used at each return air grille."
Although the table in the LEED Online form may only ask for the location of the AHU, in the IAQ Management plan there should be verbiage about providing filtration media at each return air grille.