My favorite so far is the AHJ who required a stamped letter stating
that the public supply could provide the required flow (about 36 gpm)
for the 10 minute duration.
At 11:23 AM 6/11/2008, you wrote:
Hello Thom,
I am working on my first 13D system now. The problem I am having is
the water purveyor will not install a tap of less than 4" (they can be
forced to a 2 1/2" by their "policy") when there is a fire system involved.
THEN The building department wants it reviewed to 13R as they have never
dealt with a 13D system. It is on the third review...
Wednesday, June 11, 2008, 10:59:04 AM, you wrote:
> Just wondering if others are seeing excessive water demands for 13D systems
> by AHJ's? We see 4 head design requirements with 0.10 Gpm/Sf for slope
> ceilings over 8/12. This is the same as a 13 system in residential
> occupancy, yet these two systems are not intended to provide the same level
> of protection.
> Thom McMahon, SET
> Firetech, Inc.
> 2560 Copper Ridge Dr
> P.O. Box 882136
> Steamboat Springs, CO 80488
> Tel: 970-879-7952
> Fax: 970-879-7926
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--
Best regards,
Charles Thurston mailto:[EMAIL PROTECTED]
Coastal Fire Protection
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Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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