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The pump installed will need to deliver 45 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 and a <br />Meyers, Model D.L.V. Audio Visual, Lo—Voltage alarm system or approved equal in a <br />conspicuous place at the direction of the owner. <br />Dosing Volume = 25% of 500 g.p.d. = 125 gallons. <br />DRAINFIELD ROCK REQUIRED: <br />Based on 12.5 inches of rock, 18.5 cubic yards of rock would be required. <br />SAND REQUIRED: <br />Approximately 258 cubic yards of clean sand for under mound is needed. <br />NOTES: <br />A. Please see site plan layout. <br />B. Typical sections for construction follow. <br />C-7 <br />E-3&4 <br />E-6 <br />E-12 <br />F-7 <br />PAGE 5 <br />