I believe reliability is the primary concern. As a combination domestic/fire
pump, if it stops working, it’ll immediately be noticed and repaired. Now that
it serves only fire protection, an impairment may go unnoticed for an extended
time. Depending on the attitude of the owner, repairs
You might want to put a handwashing sink in the pump room downstream of the
pump. It seems like adding one toilet to an otherwise stand-alone sprinkler
system, to make it a flow-through system to alleviate the need for a
backflow, at least in Washington, turns it into a plumbing system.
Ron
I would say your own assessment if I understand it, of "it could be a
private waterworks system if the AHJ approves" is correct. There is in my
mind one big caveat beyond approved/not approved by the AHJ and that's the
reliability of the pump if it is equipped with mechanical seals rather
There is a couple of small additions to the building and domestic water was
removed from the system.
That is one question that came up, should the original system have been
designed with a fire pump as it was for domestic and fire? The AHJ has not
approved the system and seems to be
what kind of changes are you making to the system? Is this a case where a
previously approved application is still approved?
Matt
From: Sprinklerforum on behalf
of Reed A. Roisum, SET via Sprinklerforum
Sent: Wednesday, July 8, 2020 10:33 AM
To:
I have a project where there is an existing domestic pump and water storage
tanks. They used to serve both domestic and fire protection in a group of
buildings but are no longer being used for domestic but fire protection only.
The pump is not a fire pump. Does it need to be?
There is a
