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Donald E. Frick, E.I.T. Page 3 of 12 <br />South Platte Combined Replacement Plan <br />November 14, 2006 <br />Currently aggregate is dewatering at the Hazeltine Pit, Brighton Pit, Wattenberg Pit, <br />Distel Pit, WW Farms Pit, F-Street Pit, and East 8w Street Pit. All of the dewatering is returned <br />to the river, either directly or via a drainage channel. All dewatered water must be delivered to <br />the river without consumption. <br />Depletions <br />The depletions resulting from evaporation, water lost in product, dust control and <br />concrete hatching are shown in Table 3 below: <br />Table 3 <br /> <br /> <br />Site Name <br />Evaporation <br />ac-ft Lost in <br />Product <br />ac-ft <br />Dust Control <br />ac-ft Concrete <br />Batching <br />ac-ft <br />Total <br />ac-ft <br />Lawrence Wash Plant 2.22 0.00 0.00 0.00 2.22 <br />Teti Pit 20.00 0.00 0.00 0.00 20.00 <br />North Daholia Pit 43.27 0.00 0.00 0.00 43.27 <br />Fulton Lakes Pit 0.00 55.99 1.98 0.00 57.97 <br />Jeronimus Pit 40.07 0.00 0.00 0.00 40.07 <br />Hazeltine Pit 32.4 67.69 2.00 0.00 102.1 <br />Bri htoh Pit 92.65 50.24 1.68 0.00 144.57 <br />Tucson South Pit 0.00 0.00 0.00 0.00 0.00 <br />Tucson Pit 41.02 4.07 1.98 0.00 47.07 <br />Wattenber Pit 2.36 16.24 1.50 0.00 20.10 <br />Platte Valle Pit 333.98 0.00 1.98 0.00 335.96 <br />Distel Pit 225.67 12.85 1.98 0.00 240.50 <br />Tull Pit 0.00 0.00 0.00 0.00 0.00 <br />Larson Pit 50.38 0.00 0.00 0.00 50.38 <br />Ste ner Pit 4.38 0.00 2.42 0.00 6.79 <br />W.W. Farms Pit 16.98 20.78 7.31 20.00 65.07 <br />F-Street Pit 41.10 0.00 2.00 0.00 43.10 <br />Loloff Pit 24.24 0.00 0.00 0.00 24.24 <br />East 8th Street Pit 15.69 4.83 1.98 13.69 36.18 <br /> Total 1279.59 <br />Depletions from each site were lagged to the stream system using the Glover method. <br />The consumptive use and lagged stream depletions from each site are summarized in the <br />attached Table. <br />Replacements <br />Upper Poudre River <br />Replacement Sources Total CU credit Comments <br /> CU for this <br /> credit Ian <br />Little Cache La Poudre Ditch 74.4 18.6 2 shares total, 0.5 shares applied to this <br /> Ian <br />Ci of Fort Collins Lease 8.61 8.61 <br />Tri-Districts Lease N/A 0.0 Annual Lease if necessa <br />