HIPOC Considers Ventilation for Parking Structures
Karen Hall, National Hydrogen Association
The Hydrogen Industry Panel on Codes (HIPOC) held a web-based meeting on December 3 to consider recent changes to the International Mechanical Code (IMC) ventilation requirements for public and private parking garages.
The 2009 IMC, Table 403.3 will show new changes to private and public parking garage ventilation rates. Specifically, these rates have been cut in half from 1.5 cfm/ft.2 to 0.75 cfm/ft.2.
HIPOC is reviewing the situation, and is collaborating with the SAE Fuel Cell Vehicle Safety Working Group and the ASHRAE 62.1 committee to understand the implications of this change.
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