I have been searching for an equivalent length of a 5" by 6" concentric reducer that can be used for my fire sprinkler calculation. I cant seem to find anything. NFPA 13 does not list an equivalent length for reducers, but I have a reviewer that is asking for it. Anyone have a source for...
I am having a bit of discussion with my co workers about installing a 1/2" pressure relief valve on the jockey pump discharge piping.
The Jockey pump churn plus the static pressure from the city water supply equals 125 psi. I see no reason for one.
Others say we need it and it must be...
The owners mechanical engineer made a comment on my drawings that I needed dry pendents on my antifreeze system in lieu of standard pendents.
This is a small antifreeze system above a ventilated metal ceiling covering a loading dock.
The pendents are on return bends for adjustment purposes...
Here is what got dumped into my lap.
A convenience store wants to install 4 sprinklers, 1 for the domestic water room, one for a trash room, one for two separate storage rooms.
This particular store is supplied by a well.
I am getting information on the well pump now, but I am sure it does not...
I can't seem to find anywhere in the code book regarding the requirement of hose allowance for an NFPA 13R system.
Does anyone know where I can find the code that sates wether or not I need to add a hose allowance to the calculations?
The building does not have a lobby or any areas that would...
Hello everyone,
Need an opinion on a sprinkler system design.
Code states dry pipe system should only be installed where there is not adequate heat for a wet system.
Here is my dilema.....
Building owner has a one story building with a would attic/dead space.
The drywall ceiling is tight to...
