Look at 2.3.6.5on pgs 52-53 of FM DS 8-9. One level IRAS at 5' OC and lower
the roof storage height to whats shown. A lot easier to protect, and allows up
to 20' clear. After 20', false ceiling, Equivalency FPE, etc. none of which are
pretty.
Assuming AHJ would allow specific FM DS criteria
@firesprinkler.org
Subject: RE: Ch 17 NFPA 13 (07ed)
Look at 2.3.6.5on pgs 52-53 of FM DS 8-9. One level IRAS at 5' OC and lower
the roof storage height to whats shown. A lot easier to protect, and allows up
to 20' clear. After 20', false ceiling, Equivalency FPE, etc. none of which are
pretty
