Hi - Thanks in advance for any help on this issue.
We have a 4" pipe feeding back-to-back attic sprinklers in an attic with standard 2x4 roof trusses; the pipe will be running perpendicular to the trusses. What is an acceptable method to hang this pipe per NFPA 13 (2022 edition)?
Option 1: Per...
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I am working on a project that has a few carbon-steel tanks that hold motor oil (Class IIIB). Each tank is approximately 12,000 to 16,000 gallons. Why doesn't NFPA 30 provide sprinkler protection design information? Protection schemes are provided for "portable" tanks, but these have a...
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I am working on a storage building that has rack storage and we are using FM Design Guidelines. The client stores a Class I commodity on a wood pallet. These pallets are on a rack system that has 20' aisles and on each side of the aisle a 40' deep rack is loaded by a forklift that...
We are installing a sprinkler system and standpipe in a 4-story hotel. The system is design/build and the local AHJ doesnt have much knowledge about sprinklers/standpipes.
Can I install a dry manual standpipe rather than a wet manual one? Floor control valves are not required and the local AHJ...
Working on a project that packages seed and/or grains into cartons for shipment. Storage of cartons takes place in a separate building. So basically, all this building does is house the packaging of the seeds and/or grains. Ordinary Hazard Group II an appropriate classification?
I have a Hardy Cross example I am trying to solve as practice for the NICET test.
The link below is a picture of the loop. Total fittings are 4 elbows and 2 tees. I set a flow of 250 gpm at a minimum pressure of 7 psi at node Z. Node A is the supply with 50, 40, 1,000 set as the static...
