No equipment shown on the plans except for in the mechanical room.
They are showing these sprinklers throughout the building, including the
stairwells. Basically everywhere there is a ceiling.


On Thu, Feb 18, 2010 at 10:58 AM, <[email protected]> wrote:

> Depending on the conditions of the project in regards to an underwriter or
> other AHJ requirement, contents such as piping, wiring, HVAC equipment,
> ducting, etc. could be combustible and drive an underwriter to require above
> ceiling protection due to the combustible loading of the contents, not the
> construction of the building itself.
>
> Any fuel fired equipment above the ceiling?  Potential junk storage space?
>
>
> Craig L. Prahl, CET
> Fire Protection Specialist
> Mechanical Department
> CH2MHILL
> Lockwood Greene
> 1500 International Drive
> PO Box 491, Spartanburg, SC  29304-0491
> Direct - 864.599.4102
> Fax - 864.599.8439
> [email protected]
> http://www.ch2m.com
>
>
> -----Original Message-----
> From: [email protected] [mailto:
> [email protected]] On Behalf Of George Church
> Sent: Thursday, February 18, 2010 11:48 AM
> To: [email protected]
> Subject: RE: Under/Over Sprinkler
>
> Above and below is the usual slang for what I'd think he means.
>
> And maybe the contract dwgs showed above and below, referred to it as
> under/over, and maybe this is a plumber who doesn't know you don't need
> uprights in noncombustible spaces, maybe the AE doesn't care, they're on the
> docs and its plan/spec, or ???
>
> glc
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of James
> Zimmerman
> Sent: Thursday, February 18, 2010 11:37 AM
> To: [email protected]
> Subject: Under/Over Sprinkler
>
> Has anyone seen/used the term under/over sprinkler on a set plans? Someone
> in my office has a set of plans where the contractor called out the
> sprinklers as under/over sprinklers. At first I thought maybe it was
> describing pendant sprinklers below the ceiling and upright above,
> protecting a combustible concealed space. However, the construction
> noncombustible (concrete floors and gyp ceilings).
> The only details on the plans are for a concealed sprinkler on a return
> bend and a detail for an upright sprinkler.
> I'm sure they will be contacting the contractor about the term but I was
> just curious if anyone here had seen the term.
>
> Thanks,
>
> Jim
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