As a combustible attic space frequently governs the water demand requirements,the cost of water storage and pump capacity can be lessened by having the /architect contractor separate the attic into 30min. rated compartments with self-closing access hatches between compartments which would...
Hi folks.
Here's a head scratcher...
I've been tasked with verifying hydraulics for a system a contractor installed in a storage warehouse.
See attached and note the 'double grid' he created by running another 'cross' main down the middle of the grid. The grid generation function of my...
Hi folks.
I'm reviewing a contractors hydraulic calculation for a job in which the street main is a dead ended main. The flow test included two hydrants on this main.
I had the contractor submit calculations to the 'residual' or pressure hydrant where as they are insisting they need to...
I have been doing sprinkler design work and engineering for 10 years and have never had the pleasure to use the heralded fm global 2-0 Property Loss Prevention Data Sheet.
Now I get a project and performance spec forwarded to me that says:
Sprinkler system shall be in strict accordance with...
I can't seem to remember or find where the requirement for a supervised control valve on the sprinkler feeding the top of an elevator shaft, the pit and the elevator machine room.
Is it an NFPA requirement (and where?) or an NBC requirement (and where?) for you canucks out there.
Much...
Hi,
I'm doing a design for an existing nursing home. Being a full NFPA 13 system the combustible attic space will require sprinkler. The building is existing (only 4 years old) and should have had sprinkler in the beginning but someone missed the requirement and permit was somehow issued and...
