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MCR ENGINEERING <br />1242 Dupont Court <br />Manteca, CA 95336 <br />(209)239-6229 <br />FAX (209) 239-8839 <br />Flow <br />Water Closets <br />Public Lavatory Faucet <br />Drinkinp, Fountains <br />Proposed Leach Field Calculations <br />JOB: 17-074 Nile Garden Elementary <br />ADDRESS: 5700 EAST NILE AVE, MANTECA, CA 95337 <br />BY: DBMS <br />DATE: <br />-ate III' <br />uanti <br />1 N/A <br />1 0.5 <br />0.25 - <br />Future School Total Average Daily Flowrates <br />Design Volume Per Person = gal/day <br /># of Rooms = 1 <br />7/12/2019 <br />"Max Flowrates & Volumes Per the California Plumbing Code <br />Duration (min) Uses Gal/Day <br />1.28 3 3.84 <br />N/A 0.33 5 0.83 <br />0.25 <br />Single Student Flowrate Per Day = 4.9 <br />Single Student Design Flowrate Per Day = 10.0 <br /># Staff/Room = 44 <br /># Students/Room = 1000 <br />Total Flowrate Per Day = 10,440.0 <br />Design Volume Per Person = I gal/day # Staff/Room = 2 <br /># of Rooms = 4 # Students/Room = 30 <br />Total Flowrate Per Day = -1,280.0 <br />Total Proaosed Averatse Daily Flowrate <br />Base Tank Capacity =I I gal <br />Req. Percolation Volume = 10,360.0 gal <br />Leach Line - Engineer Calculations <br />Soil Percolation Rate (P) = 10 min/in <br />3.5 gal/sFday <br />Required Length = 740 ft <br />"Per San Joaquin County OWTS Standards <br />Total Design Average Daily Flowrate <br />"Percolation Rates By Condor (SJCEHD App. # SR0080490) <br />Req. Percolation Area =sf <br />Trench Width =in <br />Trench Depth Below Pipe =in <br />Tench Area/LF =0 <br />sf <br />Page 1 of 2 <br />