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I'm working on the fire sprinkler hydraulic calculation (Elite fire fighter) for a restaurant on the first floor. the existing 500 gpm fire pump is located on the cellar and serves 8 story building including the 1st floor restaurant from one combined riser. the residual pressure is 139 psi at...

Thanks. Its covered spot where a vehicle is parked for drop-off and pick up.

the emergency room is fully sprinklered except the Ambulance Bay. it was designed back in 1996.

Does Ambulance bay require sprinkler installation? if so where would be in the NFPA?

I'm working on HVAC design for food processing (salad and juice preparations). what is the required Temprature and relative humidity? This isn't a storage! any advice would be much appreciated

can anyone please explain the difference between SEER, EER, IEER based on Energy code for unit selection.

I'm working on designing Mechanical system for a small retail store in Manhattan, NY. and just wondering IF i'm allowed to vent gas clothes dryer out of the louver over the storefront? i don't have anywhere to exhaust it except the storefront. it's 16 story building. The mechanical code is not...

I'm designing Hvac system for restaurant application in hot and humid climate (Miami, FL) My load calculations came up 15 tons of cooling. I have the option to use split Dx system or VRF system. What would be the best choice based on energy efficiency and operation wise. Any recommendations!

I'm designing Hvac system for restaurant application in hot and humid climate (Miami, FL) My load calculations came up 15 tons of cooling. I have the option to use split Dx system or VRF system. What would be the best choice based on energy efficiency and operation wise. Any recommendations!

Thanks! Now i have 2 different answers! should I go with %100 of the pressure drop OR the differential head between the required Pressure and the street pressure? What would happen if the street pressure drop below the test pressure? Please Advice!

I’m designing fire sprinkler system for 5 story residential building in NY (only sprinkler system No fire cabinets). The existing fire hydrant flow test is 40 PSI static pressure. The residual pressure is 37 PSI at 500 GPM I ran my Hydraulic calculation and came up with 247.97 GPM and 75.61...

Help.... what is the flow rates for gas steam boiler (10 psi) boiler input= 940,000 btu, boiler output= 775,000, BHP= 23.2, STEAM OUTPUT= 764 LBS/HR. * water going into the steam boiler (I need this to spec out a water softener for the boiler water)