2005-03-14_REVISION - M2000016 - Laserfiche WebLink

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~LAFARG E NORTH AMERICA Construction Materials series on one graph or integrated. The Division requests the applicant respond to these inquiries and also submit revised graphs. The Groundwater Elevation Graphs in Appendix B were sepazated between irrigation and non- imgation season because the Division had requested the sepazation on Lafazge's most recent permit application. Irrigation versus non-irrigation seasons were determined by the months during which the ditches deliver water. The data is collected in the same manner in each season, however the data were split to illustrate consistent seasonal data. A revised set of graphs illustrating integrated, non-seasonal data is attached. 20. "Operational Losses, Table 3 "needs to specify what years these depletions occur, or corresponding phases of the operation, including reclamation. Water projected to be consumed by the concrete batch plant, for mitigation purposes, or other uses must be included. "Operational Losses, Table 3" intentionally reflected the depletions in mining yeazs rather than calendaz yeazs to allow for flexibility in the mining start date. The table has been modified to reflect the corresponding phases. Water used by the concrete batch plant, for mitigation purposes, and other uses will be reviewed by the OSE during the SWSP renewal. 21. The applicant must comply with Rule 6.4.7(4), which states that they "shall indicate the projected amount from each of the sources of water to supply the project water requirement for the mining operation and reclamation. " Please see attached response from Applegate Group, Inc. 22. The SWSP approval letter dated Apri12, 2001, submitted with the application for the Fort Lupton Gravel Pit (M--1985-088) portion of the amended permit area, expired on March 31, 2003. The applicant must demonstrate current compliance with OSE requirements for this exposed ground water surface. Please see attached response from Applegate Group, Inc. 23. The applicant must submit a copy of the Well Permit for the currently permitted Riverbend Operation to demonstrate current compliance with OSE requirements. Please see attached response from Applegate Group, Inc. 24. The applicant should note that the flow rates from the two discharge points in the current CDPS Permit authorization (COG-500416) are limited to 1, 000 GPM each (1.44 MGD). LAFARGE NORTH AMERICA INC. -Lafarge Aggregates, Concrete & Asphalt 10170 Church Ranch Way, Suite 200 Westminster, Colorado 80021 Telephone: (303) 657-0000 Facsimile: (303) 6574037