We have a project with a large dry system, installed by another contractor, in a mansard roof that froze and broke.
The insurance company has requested us to replace about 1/3 of the system that was obviously damaged but then confirm that there was no damage to the other portions of the piping and sprinklers. We have suggested replacing the balance of the pipe since a hydro test and a visual inspection is not conclusive that the integrity of some components were not compromised. The AHJ will only state they want an operable system. Any suggestions on how to proceed? Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
8 Comments
Jesse
3/11/2024 08:13:30 am
Tricky situation. First, I'm not going to hydro someone else's system from years ago. So if they won't pony up the cash to replace it all, I'm going to isolate my work and hydro only my new stuff.
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Anthony
3/11/2024 08:19:36 am
The hydro test and air tests are the conclusive test. They are your only options. They're the only way you'll have to confirm the pipe will withstand working pressure.
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Casey Milhorn
3/11/2024 09:40:06 am
I agree with Anthony's approach. Make sure you have a supervisor or QC Manager out there frequently that you trust. Once you check and confirm slope (and/or fix any issues with slope and drains) you will own it. A copy of NFPA 25 in their hands when done is not a bad idea either. Put the cost in your quote.
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Justin
3/11/2024 09:52:40 am
Was there an internal assessment performed of any of the piping? I would suggest going over NFPA 25 Chapter 14 and Annex D as they have some guidance about internal assessments and obstructive investigations that may prove helpful.
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Jack G
3/11/2024 09:58:00 am
First of all
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Glenn Berger
3/11/2024 12:43:17 pm
No Owner is going to just say replace the entire system. You will need to prove the amount of damage piping, fittings, valves, and sprinklers that will need to be replaced.
Reply
Pete H
3/11/2024 02:49:56 pm
In my opinion:
Reply
N J
3/12/2024 12:39:54 am
Dismantle the defective part.
Reply
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