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Site Evaluation Report for Rydel Homes, Inc. Page 4 <br />Otto Job No. 18-0464 October 5, 2018 <br />9 West Division Street, Buffalo, MN 55313 • 763-682-4727 • Fax 763-682-3522 • www.ottoassociates.com <br /> <br /> <br />PUMP AND COLLECTION TANK: <br />A pump shall be used to deliver effluent to the mound. The pump shall be cast iron or bronze <br />fitted with stainless steel screws or constructed of other sound, durable and corrosion resistant <br />materials. <br /> <br />The pump installed will need to deliver 56 gallons per minute with a head of at least 35 feet. An <br />alarm device shall be installed to warn of pump failure. Install the pump control and a Meyers, <br />Model D.L.V. Audio Visual, Lo-Voltage alarm system or approved equal in a conspicuous place <br />at the direction of the owner. Dosing Volume=188 gallons. <br /> <br />DRAINFIELD ROCK REQUIRED: <br />Based on 9 inches of rock, 34 cubic yards of rock would be required. <br /> <br />SAND REQUIRED: <br />Approximately 292 cubic yards of clean sand for under mound is needed. <br /> <br />NOTES: <br />Please see Site Plan layout. <br /> <br />PROPOSED ELEVATIONS: <br />See Site Plan. <br /> <br />