Thanks for all the information.
Dewayne

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Thom
McMahon
Sent: Wednesday, November 25, 2009 3:44 PM
To: [email protected]
Subject: RE: Ordinary Hazard room in Light Hazard area

6.3.6.2 Pipe or tube listed for light hazard occupancies shall be
permitted to be installed in ordinary hazard rooms of otherwise light
hazard occupancies where the room does not exceed 400 ft2 (37 m2).

11.1.5.2 Systems with Multiple Hazard Classifications.
(3)*For systems with multiple hazard classifications where the higher
classification only lies within single rooms less than or equal to 400
ft2 (37.2 m2) in area with no such rooms adjacent, the water supply
requirements for the principal occupancy shall be used for the remainder
of the system.
(There is a similar section in chapter 12)

A.11.1.5.2(3) When a light hazard occupancy, such as a school, contains
separate ordinary hazard rooms no more than 400 ft2
(37.2 m2), the hose stream allowance and water supply duration would be
that required for a light hazard occupancy.
(There is a similar section in chapter12 appendix A)

I think these are what your salesman is thinking of, it is not related
to head spacing.

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



-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Dewayne
Martinez
Sent: Wednesday, November 25, 2009 12:46 PM
To: [email protected]
Subject: Ordinary Hazard room in Light Hazard area

One of my salesmen is telling me that there is a rule in 13 which states
that if you have a room of ordinary hazard occupancy, under 400SF, in a
otherwise light hazard occupancy that you can use light hazard spacing
for this area.  Anyone here of this?
Thanks,
Dewayne Martinez
Design Build Fire Protection
New Berlin, WI
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