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hi every one, Is the NFPA permits to collect all zone control valve for all floors in the same location?? please advice, regards.

hi engineering, CAN ANYONE RECOMMEND TYPE OF FIRE PROTECTION SYSTEM FOR DRY TYPE TRANSFORMERS INSTALLED IN HOTELS regards

I HAVE WATER STORAGE TANK 2 COMPORTABLE EACH ONE 12000 CU.M WITH 500 MM FILLING LINE WHAT THE SIZE OF OVER FLOW DRAIN ? AND HOW CAN CALCULATE THE SUBMERSIBLE PUMP TO THIS CASE? PLEASE ADVICE

what the sizing pipe of side wall sprinkler k-factor 8 ?!!! please advice,

i know my English is so bad, sorry for this my question is when can i put sprinkler inside ceiling?

Dear engineering, Can you advice me when can installation double sprinkler from nfpa ? what's the ceiling distance ?? please advice.

hi every body can explain the the type of main loop? because when i design closed loop (rectangle loop ) and the branches is feed from 2 point. some one say to me it's wrong, he say i must cut this branches (like FIGURE A.3.4.7 Looped System. nfpa 2010) please advice me with source NFPA regards

At the base of each riser we put os&y gate valve and tamper switch ?????? please advice

dear engineering, can you help me with with scientific answer reference the hvac condensate drain we add to storm water or waste drain ??

in Nfpa 13 I'm don found any relation between the height and K factor Except.storage hazard please advice, regards.

WHAT ABOUT DOMESTIC PUMP ROOM AND CENTER HEATER

LCREP thank u

what the type of fire protection in the pump room?!!! sprinkler or fire or fire suppression or what?? please advice

GeorgeMech, Thankful for your response

hi every body I have two lines Feed my project at 8 bar , the first line feed for the landing valve and other feed zone's and fire hose reel. in hydraulic calculation of zone sprinkler neglected 7 bar of landing valve ??? or what can i do pleas advice