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MOUTAIN HOUSE CHEVRON <br />NEC CORNER OF INTERNATIONAL PARKWAY <br />& DAYLIGHT ROAD APPENDIX E TRACY, CA 95377 <br />HOT WATER DEMANDS <br />FIXTURES NO. OF <br />UNITS <br />X GPH = TOTAL GPH <br />Lavatory 2 X 5 = 10 <br />Mop Sink 1 X 15 = 15 <br />Clothes Washer 1 X 45 = 45 <br />Hand Sinks (1 & 2) 2 X 5 = 10 <br />3-Compartment Sink (3) 18x18 X 14 = 42 <br />X = <br />X = <br />X = <br />X = <br />X = <br />X = <br />X = 122 <br />I. Calculating the BTU (British Thermal Units) for kitchen gas water heater: <br />GHP x 60 degrees rise x 11* = <br />*8.33 lbs./gal. of water = 11.1 (rounded off= 11) <br />0.75 (thermal efficiency of gas) <br />The gas hot water heater with at least a rating of BTU <br />Calculating the KW (kilowatt) requirement for kitchen electric water heater: <br />Total GPH = GPH = KW* <br />gal/KWH gal/KWH <br />**Operation: 4 Hours/day <br />*KW.... GPH x °RISE x 8.33 Solar Contribution: 66% <br />.98 x 3412 BTU ***See Calculation Below <br />KW <br />Please make the necessary changes or alterations, as indicated above, for the minimum supply of hot water for the food <br />establishment. The recovery rate of the properly sized water heater must meet the peak demands of the total GPH. <br />*** KW = [Water Volume (GPH x Hrs) x Temperature Rise / Efficiency x 3412 BTU/kW] x Non-Solar % <br />KW = [(122 GPH)(4 Hrs) (100 DegF Rise) / (0.98 Eff) (3412 Btu/kW)] x 0.34 (Non-Solar %) <br />KW = [48,800 / 3,343.76] x 0.34 = 4.96 KW Required I 6.0 KW Design <br />EHD 16-01 22 PLAN CHECK GUIDE <br />BTU <br />7/5/17