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<br />4. Operation of Plan <br /> <br />The following conditions are agreeable and will be abided to by the applicant: <br />1. Ground Water Exposure: Total ground water exposure within the gravel pit shall not <br />exceed 100 acres during the life of this plan (all of which represents post-1980 ground <br />water exposure. <br />2. Permitting: A well permit must be obtained for the gravel pit in accordance with Section <br />37-90-137(2) and(11) C.R.S. <br />3. Drawings In Lieu of Well Completion Report: ARer initiation of excavation of the pit, <br />plan and cross-sectional drawings shall be submitted to the Division Engineer. These <br />drawings are in lieu of a Well Completion Report for the permit above, and shall include <br />the extent of excavation, maximum depth of the pit and the initial static water level. <br />4. Portable Pump: A portable pump shall used at the gravel pit for gravel washing. No <br />permanent well or pumping equipment shall be installed in the gravel pit unless a variance <br />is approved. <br />5. Statement of Beneficial Use: Evidence that water Rom the gravel pit (well) has been put <br />to beneficial use shall be submitted after ground water has been exposed and prior to the <br />expiration date on the permit above. <br />6. Augmentation Plan: A permanent plan for augmentation covering the evaporation from <br />the post-1980 ground water exposure will be applied for within Division 3 water court <br />within the life of the substitute supply plan. <br />Augmentation: Available surface water supplies from the Fish Ditch and/or Rio Grande <br />Canal shall be delivered into the pit and shall be measured through a device acceptable to <br />the Division Engineer. Daily accounting shall be maintained and this accounting will be <br />provided to the Division En,ineer at the end of each irrigation season. The amount of <br />augmentation water required shall be 7.32 acre-ft of ditch water per acre of exposed <br />ground water area. Once the pit reaches its maximum size of 100 acres this amount shall <br />total 7 32 acre-ft of surface water each year. <br />8. Dry•-Up Acreage: 2.534 acres of pasture grass shall be dried up for each acre of ground <br />water exposed. Once the pit totals 100 acres this amount totals 253.4 acres ofgrass. <br />164.46 acres in the proposed mining site shall be dried up. An additional 88.94 acres of <br />irrigated pasture will be dried up once the gravel pit area exceeds 47 acres. <br />9. Map: See Figure 5 for a map showing the areas of dry up. <br />16 <br />