thanks again for your comment.
I'm a bit worried about the fact that paragraph 7.2.2.2.3 is in the section for wet pits only.
I spoke to a system designer about this issue. He claimed that the NFPA did not mention underground tanks at all in chapter 7, and that speaks for itself. Therefore any...
Thank skdesigner for the answer!!
Where is that stated in the NFPA 20?
I searched in Chapter 7 and didn't find that the standard permits the submergence to be according to he pump data sheet.
I have a question about Vertical turbnie pumps.
In chapter 7 of NFPA 20 there is a requirement of minimum submergence from the second bowl to the surface of the water.
There are only two options in the NFA 20:
1. A well-
In this case the subergance must be at least 10 ft below the pumping...
Hello all,
I'm reviewing plans for a sprinkler system that is designed for OH-2.
The water supply for the sprinkler system is a diesel engine pump (1500 GPM @ 100 PSI), that is supplied from a water tank with the capacity of a 20,000 gallons.
The hydraulic calculations were executed in the...
