And if it's a dry system, add 30%
Todd G Williams, PE
Fire Protection Design/Consulting
Stonington, CT
www.fpdc.com
860-535-2080 (ofc)
860-608-4559 (cell)
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On Mon, Sep 14, 2015 at 5:25 PM, sprinklerforum@lists.fire
Self storage facilities are generally compartmentalised into such small
cubicles that a 1500 square foot design area is often over 25 sprinklers. OH 2
will cover solid piled Class IV commodities to 8 feet. I've done lots of these,
and it is not uncommon to see 500 GPM system demand (and mo
OH II Minimum, perhaps more. Class IV Commodities on racks needs EH-I.
Extensive shielding of combustibles would require EH-II.
OH I only protects Class I and Class II Commodities, regardless of 8-ft.
height. Safe to assume there will be more than just Class I and Class II
Commodities insid
I always do OH2 despite the height. You never know what is going to be in
there
Todd G Williams, PE
Fire Protection Design/Consulting
Stonington, CT
www.fpdc.com
860-535-2080 (ofc)
860-608-4559 (cell)
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On Mon, Sep
The buldings of this nature I have delt with had a wire mesh ceiling at
8'-0" which limited the storage height to less than 8 ft. Hence O.H. I. If
storage is over 8ft., then O.H.II .
On Mon, Sep 14, 2015 at 4:38 PM, wrote:
> I have a 3-story "Self Storage" building divided into various sized ren
OH Group II
John O'Connor, National Fire Sprinklers, Inc.
-Original Message-
From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On
Behalf Of wmens...@comcast.net
Sent: Monday, September 14, 2015 3:38 PM
To: sprinklerforum
Subject: "Self Storage" building design
I have a 3-story "Self Storage" building divided into various sized rental
units.
Maximum storage height is about 10' or less.
What design criteria is being used for this type of occupancy?
Thanks
Bill Menster
WFM Consulting Inc.
___
Spr
I'll add to the 'prefect world' scenario - You as the contractor doing the
work, or the Engineer of Record prior to bidding, would witness or conduct an
updated pump test. Relying on the most recent 'annual test' by another
contractor can come with risk - namely the accuracy of the equipment and
There may even be inside hose allowances required. A current test is the
best way to determine exactly how the pump is performing. I would want an
independent test of the pump be performed just for liability issues and base
your calculations on that discharge curve supplied to you. If you need t
Fire pump test. The pump test takes into account the underground losses,
condition and layout that a hydrant test won't.
Duane Johnson
Strickland Fire Protection
Sent from my iPhone
> On Sep 13, 2015, at 10:02 PM, Rahe Loftin - 7PMC wrote:
>
> When we have a project to replace or modify the
I agree with Todd, one other consideration, I would recommend that the fire
pump be tested to assure that it is performing per factory specifications
from churn to 150% of it rating. Once you assured yourself that the pump is
performing within spec I would use the flow and psi results to design the
It depends on the arrangement. If the pump feeds a yard system including
hydrants and sprinklers, then the pump test is the best way. If the
hydrants are
fed before the pump suction, that creates an issue of hose demand. In a
perfect
world, you would have a current hydrant flow test and use the
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