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f <br /> SUMMIT ENGINEERING, INC. <br /> Consulting Civil Engineers <br /> July 23, 2001 <br /> Project No. 2001015 <br /> Page 6.16 <br /> Check Power-to-Volume Ratio: <br /> i <br /> The volume of Pond No. 1 and 2 is approximately 4.36 Mgal and 4.36 Mgal respectively with a <br /> freeboard of 2 ft. <br /> P\V 180 HP x 7.48gal x 103 = 0.31 HP/1,000 cf <br /> 4,360,000 gal cf 1,000 cf <br /> f <br /> I P\V of 0.31 HP/1,000 cf is close to the acceptable range of 0.10 —0.20. Therefore, oxygen <br /> transfer and mixing is likely to occur in the upper 3-4 feet of the pond as required in a facultative <br /> aerated lagoon system. <br /> Aerated Pond No. 3 <br /> The volume of Pond No. 3 is approximately 8.02 Mgal. Try 60 HP total aeration. <br /> Aerator Sizing: <br /> P\V = 60 HP x 7.48gal x 103 = 0.06 HP11.000 cf <br /> 8,020,000 gal cf 1,000 cf <br /> P/V of 0.06 HP/1,000 cf is within the acceptable range of 0.05 — 0.10 <br /> r <br /> r <br />