It may not be a matter of arguing with the AHJ as they can ask for the test
if they wish. You need to meet with them (include the building owner) to
discuss and show him the minimum NFPA requirements.
If the AHJ is still adamant about the hydro test, then you need to prepare a
proposal to the building owner as what needs to be done as far as testing
and what you as the contractor will be responsible for during this
additional testing. Example: Who will be pay for pipe and/ or fittings that
might fail during the 200 PSI hydro test?
G. Tim Stone
G. Tim Stone Consulting, LLC
NICET Level III Engineering Technician
Fire Protection Sprinkler Design
and Consulting Services
216 Huntington Acres - Richmond, VT. 05477
TEL: (802) 434-2968 Fax: (802) 434-4343
[EMAIL PROTECTED]
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:sprinklerforum-
> [EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
> Sent: Thursday, March 08, 2007 8:46 AM
> To: [email protected]
> Subject: Hydrostatic testing recalled sprinkler heads
>
> Hello list,
>
> We have just finished replaced Omega heads in a buildiing (200 of them)
> and the AHJ wants the sprinkler system hydrostatic tested.
>
> We argue that replacement of the heads do not require this 20 year old
> system to be hydro tested. We point out that the system was not modified
> and to subject an old system to these pressures could cause a failure of
> its piping.
>
> He is adament in wanting this test. He wants us to perform an air test
> first at system working pressures, then hydro it afterward at 200 psi for
> 2 hours. We contend both requests are unreasonable.
>
> Have any of the list members run into this situation, and how should it be
> handled.
>
> Is there any formal opinions from NFPA that offers guidance on this issue?
>
> Thank you,
>
> Martin Campbell
> List member
>
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