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~-FARG E <br />NCIRTH AMERICA <br />AGGREGATES, CONCRETE <br />fi ASPHALT <br />T~rical SWMP BMPs <br />• Ready-mix truck wash-out water settling basin <br />o Concrete structure <br />o See attached "Washout Pit Design" drawing for approximate <br />specifications <br />• Silt fence -approximately 100 feet <br />• Hay bales -approximately 10 <br />Lafarge hopes these responses adequately address the concerns of the Division. Should you have any <br />questions or need additional information, please do not hesitate to contact me at 303-657-4421. <br />Best regards, <br />~~ <br />Suzanne Jan <br />Water Resource Specialist <br />Encl. Exhibit C: Mining Plan, revised <br />Exhibit F: Reclamation, revised <br />Groundwater Model Maps <br />Wetland Delineation Studies <br />Corps Jurisdictional Determination letter, dated November 24, 2004 <br />Monitor Well Locations map <br />Monitor Well Permits <br />Operational Losses, Table 3 <br />Stormwater Management Plan, updated pages <br />Washout Pit Design <br />LAFARGE NORTH AMERICA INC. -Lafarge (`.OnsVUGtIOn Materials <br />10170 Church Ranch Way, Suite 200, Westminster, Colorado 80021 <br />Telephone: (303) 657-4000 Facsimile: (303) 657-4037 <br />