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This addendum clarifies the requirements in Section6.7.1 for the use of fully ducted return systems by recognizingthat some spaces requiring a negative pressure relationshipwith the adjacent space require a fully ducted exhaustsystem rather than a return air system. This addendum alsoadds four spaces to meet the requirement for being fullyducted.

Product Details

Published:
2012
ANSI:
ANSI Approved
File Size:
1 file , 510 KB