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DENVER WATEi2 "" <br />Phone 303- 628 -6000 • Fax No. 3U3- btu -b I" • uenverware,..'s <br />December 9, 2009 <br />DEC 10 2009 <br />David Bird Division of Reclamation <br />Colorado Division of Reclamation Mining and Safety f p Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Re: M- 1990 -031 York Street Pit, Notice of Intent to Fill With Imported Material <br />Dear Mr. Bird, <br />Denver Water is completing the reclamation of the York Street Pit, M- 1990 -031, as a water <br />storage facility. In order to complete the reclamation activities included in our approved <br />plan, we need to import fill and various construction materials. Pursuant to Rule 3.1.5 (9) <br />of the Construction Materials Rules and Regulations, we are providing the Division of <br />Reclamation Mining and Safety (DRMS) with notification of our intent to use imported fill. In <br />accordance with the Rules, the required information is presented for your review. <br />(a) Narrative that describes the approximate location of the proposed activity: <br />The reclamation activities requiring fill are located on the west side of the former pit. <br />They are the re- grading and surface water management activities listed in our Plan. <br />Surface water management is a significant issue due to the hill west of the reservoir. <br />In order to control runoff entering the property, we need to improve the carrying <br />capacity of the Gardeners Ditch (owned by Denver Water), as well as install drainage <br />structures such as catch basins, culvert pipe and manholes. Fill is needed to backfill <br />these drainage structures and for existing wash -out locations. Fill will also be used <br />to raise low areas in order to drain properly. Riprap and bedding material will be <br />imported and placed to control erosion control at culvert outlets and designed <br />overflow areas. <br />CONSERVE <br />