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J <br /> 71 <br /> a <br /> >H !n <br /> tH <br /> n J08 NAME: GREAT NORTHWEST CONSTRUCITON <br /> d ADDRESS: 325 60TH ST. , EVERETT <br /> �q DESIGNER: GINA ROBINSON-ELMSLIE ;!{ <br /> m <br /> z - Ir <br /> Op =� <br /> yCy CALCULATIONS FOR 28 GPM MIN. FLOW IND. LOSS NET TOTAL <br /> OH ----__------.----------------------------------------------------- .( <br /> A. WATER PRESSURE IN STREET 75.00 <br /> cn. n ' <br /> MH B. ARBITRARY SELECT PIPE SIZE: 1 " <br /> tt7c~oH C. DEDUCT METER LOSS (3/4" ) 9.00 66.00 <br /> OO " <br /> 0 <br /> C1 D. DEDUCT HEAD LOSS FOR <br /> H8 <br /> ELEVATION SYSTEM CONTROL VALVE <br /> H O E4 HEIGHT= 10.00 X 0.434 4. 34 61 .66 <br /> E. DEDUCT PRESSURE LOSS FROM CITY MAIN <br /> TO SPRINKLER ( 1-1/2" WATER SERVICE) <br /> ITEM QUANTITY EQUIV FT. TOTAL FT. <br /> PIPE: 300.00 1 .00 300.00 <br /> VALVES: 1 .00 2 .00 2.00 <br /> ELBOWS:4.00 3.00 12.00 <br /> TEES: 1 .00 2.00 2.00 <br /> TOTAL: 316.00 <br /> j C:3 TOTAL EQUIVALENT FT X .03 PSI/FT = 9 .48 52. 18 <br /> F. DEDUCT PRESSURE LOSS FOR 1 " PIPING <br /> CONTROL VALVE TO FARTHEST SPRINKLER <br /> ITEM QUANTITY EQUIV FT. TOTAL FT. <br /> PIPE: 78.00 1 .00 78.00 <br /> ELBOWS:9.00 7 .00 63.00 <br /> R-fEES: 7 .00 1 .00 7.00 <br /> B-TEES: 1 .00 5 .00 5.00 <br /> CHECK: 2.00 4.00 8.00 <br /> VALVE: 2.00 1 .00 2.00 <br /> FLOW: 1 .00 10.00 10.00 <br /> TOTAL: 173 .00 <br /> w TOTAL. EQUIVALENT FT X . 1224 PSI/FT = 21 . 18 31 .00 <br /> ---------------------------------------------------------------- <br /> REMAINING PRESSURE FOR SPRINKLER OPERATION 31 .00 <br /> ----------------------------------------------------------------- <br /> CALCULATIONS PER NFPA 13D A-4-4.3( 1 ) <br /> p <br /> ll m <br /> y <br /> pAgina L. .RoLUison-Elmsfi! <br /> 537.64.7117 <br /> 1 ' <br />