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Thc pump installed will need to dcliver 42 gallons per minute with a head of at least 23 feet. <br /> An alarm device shall be installed to warn of pump failure. Install the pump control ar.d a <br /> Meycrs, Model D.L.V. Audio Visual, Lo—Voltage alarm systcm or approved equal in a <br /> conspicuous place at thc direction of the owner. <br /> Dosing Volume = ?5% of 750 g.p.d. = 187.5 gallons. <br /> DRAINFIELD ROCK REQUIRED: <br /> Based on 1?.5 inches of rock, 23 cubic yards of rock would bc requircd. <br /> SAND REQUIRED: <br /> Approximatcly 289 cubic yards of cican sand for undcr mound is nccdcd. <br /> NOTES: <br /> A. Plcase sec site plan la��out. <br /> B. T}'pical scctions for construction follow. <br /> C-7 <br /> E-3&4 <br /> E-6 <br /> E-12� <br /> F-7 <br /> PAGE 5 <br />