2019-09-18_REVISION - M2004044 - Laserfiche WebLink

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Jared Ebert September 16,2019 Page 8 of 11 agreement between Aggregate Industries and the parties is in place or Aggregate Industries otherwise complies with the requirements of Rule 6.4.19(b) or (c). We will forward any executed agreements upon receipt. ii. DRMS Response: The Division acknowledges Al will not affect land within 200 feet of the Brantner Ditch. Al will need to address the adequacy review issues identified in the enclosed Memorandum regarding the geotechnical stability analysis or provide completed structure damage agreements for the structures in question. Al Response: The adequacy review issues in the submitted memorandum are addressed below in this letter. e. Condition No. 5—Aggregate Industries shall not affect land south of and within 200 feet of the Todd Creek Farms water supply pipeline and shall not further affect land within 200 feet of the north side of the pipeline, in the Phase 2A area, except for reclamation work, until a notarized agreement between Aggregate Industries and Todd Creek farms stating that Aggregate Industries is to provide compensation to Todd Creek Farms for any damage to the pipeline, or Aggregate Industries otherwise complies with the requirements of Rule 6.4.19(b)(c). i. Al Response: The Applicant is in compliance with the condition as stated. The applicant has entered into an agreement with Todd Creek Metropolitan District (formerly Todd Creek Farms). A copy of the agreement is attached. ii. DRMS Response: Based on the easement deed and agreement submitted by the applicant, it does not appear a commitment was made by the Operator to compensate Todd Creek Metropolitan District for damages to their structures. Al will need to address the adequacy review issues identified in the enclosed Memorandum regarding the geotechnical stability analysis or provide a complete structure damage agreement for the structure in question. Al Response: The agreement with the Todd Creek Metropolitan District allowed for encroachment up to twenty feet from the water line. As shown in the stability analysis (attached), we elected to offset the limit of mining excavation 45 feet from the Todd Creek easement boundary. The analysis demonstrates that the factor of safety with this offset exceeds the DRMS requirements. ADDITIONAL ADEQUACY REVIEW ISSUES 1. Revised page D-3, indicates the South Mining Area will be wet mined. Please revise this page to indicate the South Mining Area will be dewatered and dry mined. Al Response: Page D-3 of Exhibit D has been revised to state that the South Mining Area will be dewatered and dry mined. 2. Please revise the F-3, Reclamation Plan Map to clearly depict where the tree and shrub plantings will occur. Aggregate Industries—WCR,Inc 1687 Cole Blvd Suite 300 Golden,CO 80401