Dewayne,
So do you have a foam system or not? If you do then curbs without drainage
is OK If you have a water only system then u will need drainage with the
curbs.
Review figure 6.8.5 on page 57 of NFPA 30, 2003 edition, it will indicate IF
you need to provide spill containment OR liquid spread control. Curbs are
used if you have a closed head foam system to control the spread of the
product mixed with the water (section 6.4.2.5). If you have a water only
sprinkler system and you have a Class I-IIIA liquid then, you need to
provide liquid spread control as per 6.8.5.1.
Take a look at FM data sheet 7-29 it has more up to date sprinkler
protection requirements then NFPA 30/ 2003 edition.
Regards
Tom
Chubb Insurance
From: "Dewayne Martinez" <[EMAIL PROTECTED]>
Reply-To: [email protected]
To: "SprinklerFORUM" <[email protected]>
Subject: NFPA 30 (03ed) - curbs
Date: Mon, 15 Jan 2007 10:51:03 -0600
Section 6.4.2.5 deals with curbs, scuppers, special drains, ect....and
states that "If a drainage system is used, it shall have sufficient
capacity to carry the expected discharge of water from the fire
protection systems and hose streams."
If there is only curbs does this apply since there is technically no
drains? If so, what is the proper way to determine the expected
discharge?
Thanks,
Dewayne
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