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Mr. Wallace H. Erickson <br />Response to September 27, 2011 Cazier Memorandum <br />October 11, 2011 <br />Page 3 <br />commitment to resolve this work plan adequacy issue via the TR or AM process. The <br />response to this adequacy issue presented in the subject response letter shall be included <br />in the revised Work Plan. <br />Response to Adequacy Issue No. 4. <br />In "Management" section at Page 2 of Attachment D -3, Wildcat commits to <br />obtain approval from DRMS for its proposed Little Deadwood Gulch May Day No. 2 <br />Drainage Control work plan. Wildcat will modify the first bullet in this section to read <br />as follows: "Obtain approval from DRMS for the proposed work plan through the <br />Technical Revision or Amendment process." <br />Adequacy Issue No. 5. <br />a. The riprap specification included in the "BMP #12 Rip Rap" does not include <br />density or shape specifications, and conflicts with the applicant's commitment to <br />use Section 506 of CDOT's Standard Specifications. For example, the `BMP #12 <br />Rip Rap" specification states d max = 1.5 d50; CDOT's specification is 1.67 d50 < dmax <br />< 2 d Please provide a complete, and only one riprap specification to avoid <br />conflicting requirements. <br />b. The applicant has committed to resolving this adequacy issue. However, they have <br />not committed to addressing this adequacy issue in a TR or AM. Please provide a <br />written commitment to resolve this work plan adequacy issue via the TR or AM <br />process. The four bulleted responses to this adequacy issue presented in the subject <br />response letter (pp. 4 -5) shall be included in the revised Work Plan. <br />Response to Adequacy Issue No. 5. <br />Response to Adequacy Issue No. 5.a. <br />Wildcat will revise BMP #12 Rip Rap at Page 12 to 13 of Exhibit U, Attachment <br />U -3, Appendix U -1, to indicate that it will commit to use Section 506 of CDOT's <br />Standard Specifications in order to remove conflict between BMP #12 Rip Rap and <br />Attachment D -3. <br />Response to Adequacy Issue No. 5.b. <br />Wildcat will add the following bullets after the second bullet in the "Road <br />Drainage Control" section at Page 3 of Attachment D -3: <br />• Perform laboratory testing and visual inspection on terrace rock which will be <br />crushed and screened for use as riprap to determine density and conformance <br />with Section 506 of CDOT Standard Specifications for Road and Bridge <br />Construction (2011); <br />DEN 97,627,904v1 10 -11 -11 <br />GREENBERG TRAURIG, LLP ® ATTORNEYS AT LAW a WWW.GTLAW.COM <br />