NFPA does not list the number of risers that a single riser lateral can
supply. However the client's property insurance carriers and corporate
risk management/safety design guidelines might have restrictions on how
much of a facility can be out of service from a single impairment, of if
a severe high hazard process which has a high physical damage or
business interruption loss dollar value might have a separate source of
water from the remainder of the facility. So you will need to check with
your client's risk management department and the property insurance
carrier to assist in answering the question.
Have a fire safe day!
Jim
DAVIDSON ASSOCIATES
Fire Protection Engineering P. O. Box 4010
Code Consultants Greenville, DE 19807-0010
Medical Gas Systems Engineering (302) 994-9500
Fax (302) 234-1781
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Jay White
Sent: Thursday, August 30, 2012 9:01 AM
To: [email protected]
Subject: Number of risers
Does NFPA limit the number of risers served by one lead-in?
Jay White
Dynamic Fire Protection
9771 Highway 25 South
Starkville, MS 39759
PH: 662-312-2426
FAX: 662-324-1545
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