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COOLEY RESERVOIl2 AND FULTON WILDLIFE AREA PIT <br />AMENDMENT NO. I - JERONIlI~IUS PROPERTY <br />(Revised 05/03) <br />EXHIBIT D -MINING PLAN (Continued) <br />Storm water from temporary roads and other disturbed areas will be managed by grading to direct <br />storm water from disturbed areas into the existing lake areas and be contained on site. The existing <br />Storm Water Management Plan (SWMP) and Permit will be modified to reflect the addition of this <br />property, or a new SWMP Permit will be obtained. The Spill Prevention Control Plan for the existing <br />site shall be also be modified as suggested by the DMG. A copy of existing permits area Discharge <br />Permit Approval Letter and the existing SPCC Plan are included as pages 9 and 10 of this exhibit. <br />Method of mining to be employed is surface excavation of topsoil, overburden, and aggregate <br />material for use in the production aggregate products. Equipment that will be used on site include a <br />drag line, loaders, scrapers, backhoes, dozers, excavators, water trucks, end dump and belly dump <br />trucks, and other miscellaneous vehicles. Field conveyors, hoppers, and transfer points will be utilized <br />to provide conveyance to the Plant Site, which is located in the existing permit area. Piping will be <br />installed to convey wash water back to the lake areas from the Plant Site. No explosives will be <br />utilized in the operation. Except for crossing the Fulton Ditch in areas of prior disturbance that will <br />remain after mining is completed for the Ditch Company's use, all activities will be undertaken either <br />within the existing pertnit_area or in the Amendment No. 1 area. <br />Except as outlined on the next page and in accordance with standards established in the existing <br />permit, the minimum excavation setback shall be 35' from any adjacent property line. As with the <br />existing phases, slopes may be initially excavated to a nearly vertical condition, .SH to 1 V, but will <br />be immediately backfilled to at least 1H:1 V slopes. All final slopes of shall be minimum of 3H to 1 V <br />in steepness. Typical excavation and final reclamation sloping and minimum setbacks are shown <br />graphically on E,YFIIBIT F SHEET 2 of Z -RECLAMATION PLAN MAP. Prior to any excavation <br />being undertaken in any area, excavation setbacks will be staked in the field to ensure relevant <br />excavation setbacks are followed. Situations where special setback requirements and restrictions on <br />excavation shall apply are as follows below and on the next page: <br />1. The existing wetlands area as shown on EXIIIBIT C-2 SHEET 2 of 2 -MINING PLAN <br />MAP shall not be disturbed until a wetland inventory is accepted by the Corp of Engineers <br />and a 404 permit is issued allowing removal of any jurisdictional permit requiring the <br />appropriate 404 permit. <br />2. No mining shall occur within the Xcel right-of--way, within 200' of the Xcel. towers, or within <br />200' of the within 200' of East 104"' Avenue right-of--way. <br />4. No mining shall occur within 35' of any on-site United Power power pole without approval <br />by the DMG of an Asreement with the United Power. <br />4 <br />