I should have stated "non high-rise" only.
Tom
Manual standpipes must be kind of scary to use, empty to 150+ PSI of water
in seconds.
Kind of like charging a test header full open and throttling at the header.
Big no-no.
GRS
I have not seen the writing, but the State FM here in CT
(taxachusetts south) has disallowed manual standpipes in the past.
I'm trying to find out for sure.
At 05:53 PM 2/7/2007, you wrote:
>Here in taxachusetts, we can omit the pump if sprinkler will work off
street
>pressure and the inside hose allowances can be flowed at whatever the
street
>provides per our Building Code ('93 Boca w/amendments). But (sorry
Sister),
>a performance test must be done with a pumper truck to meet the 100 PSI
>flowing at 500+250+250... for acceptance. One worthwhile note is our
>Building Code requires the non-pumped standpipes be hydraulically sized
>based upon 150 PSI at the FDC. I sometimes have to take pressures to 175
>PSI on the FDC gauge to make them work. So much for shop drawings, huh?
>No manual standpipes here unless granted relief by the ZBA.
>
>Tom Duross
Todd G. Williams, PE
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