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jbraun
Click to view contentNFPA 96-2011 7.8.2.1 (2) regarding roof top terminations states "roof top terminations shall be arranged or provided with the following... (2) a minimum of 1.5m (5ft) of horizontal clearance from the outlet to any combustible structure...".   In this project, we are wanting to have an in-line fan inside the attic, and then discharge up through… (Show more)
in Fire Protection Systems
m-arunkumar
Do jockey pump (Pressure maintenance pump) also needs to be provided with Hollow shaft motor as per NFPA 20, section 7.5.1.3 or that section only applicable to main or fire pumps?   Clause 7.5.1.3: "Vertical shaft turbine pumps shall be driven by vertical hollow shaft electric motor or vertical hollow shaft right-angle drive with diesel engine or… (Show more)
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m-arunkumar
Do jockey pump also requires hollow shaft motor as per NFPA 20, clause no. 7.5.1.3 or those requirements are only applicable to main/Fire pumps?
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istiaque.emcs
Project location: Bangladesh Pump Capacity: 1500 GPM Pump Head: 14 bar. According to code for sprinkler pressure should not exceed 12 bar. So we need to use PRV upto certain height. If each PRV require to use by pass system , we also need to use valve and does that valve need to be supervised? Could anyone please suggest regarding this as per… (Show more)
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m-arunkumar
Why NFPA 20 suggests hollow shaft motor for fire pumps? Can anybody clarify.
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amr.elkranfely
For parking smoke system, what is the max. number of smoke zone that can be connected to one smoke fan?
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idrus
We had several discharged of inergen system on our substations. There were three such occasion wheres two of the incident had pipe dislodged.   I was asked by my superior how did that happen? I understand that the pipe pressure test was only 40 psi for 10 minutes and the pressure inside the pipe could be about 60 bar.   We are using inergen… (Show more)
in Fire Protection Systems
jgreer
Are there any known or frequently applied, accepted methods to reduce the 10 ft. minimum distance requirement to adjacent buildings and property lines as per NFPA 96 (2017) section 7.8.2.1.(1)? Restaurant tenant has a unit that is only 13 ft wide, so adjacent building's 2nd story wall to the north and property line / building to the south cannot… (Show more)
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