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Louis Head <br />Page 2 <br />June 27, 2014 <br />than the specification, which allows for slopes up to 1.35h: Iv where the fill is <br />85% rock. <br />Rule 2.05.3(3)(c)(vii) specifies that "The plans and drawings for each haul road and <br />access road shall be prepared by, or under the direction of, and certified by a qualified, <br />registered professional engineer, experienced in the design and construction of roads, as <br />meeting the requirements of this rule; current, prudent engineering practices; and the <br />design criteria of 4.03.1 and 4.03.2." <br />Please submit an engineered design for the proposed road accounting for the variance <br />from the standard design specification. Per Rule 4.03.1(1)(e), `Alternatives to the design <br />criteria and specifications of 4.03.1(3) may be utilized after approval by the Division <br />upon a thorough analytical demonstration by a qualified registered professional engineer <br />that such alternatives will be as environmentally sound as those resulting from haul <br />roads complying with the requirements of 4.03.1(3) and that the alternatives meet such <br />other criteria as are necessary to achieve reclamation in accordance with the <br />requirements of this rule, taking into consideration physical, climatological and other <br />characteristics of the site. Alternatives to the design criteria and specifications of <br />4.03.1(3)(e) may not be utilized unless, in addition to the referenced demonstration, <br />appropriate engineering tests establish compliance with a minimum static safety factor of <br />1.3. ". The design should include discussion as to the maximum size of vehicles that will <br />use the road. <br />4. Pages 2.05 -7a and 2.05 -7b describe the haul road design that was approved with TR66. <br />Please update pages 2.05 -7a and 2.05 -7b to reflect the new design. <br />An overview of the "RDA Access Road Procedure" was submitted, which describes <br />some important features of the proposed road. The procedures for using the road provide <br />important justification for aspects of the proposed design and should be incorporated into <br />the permit. <br />Please include a description of the road procedures (referring to it as the RDA Haul <br />Road) with the text revision requested in comment (4) of this letter. <br />Rule 2.053441 Oberation Plan — Permit Area — Ponds. IMDoundments and Diversions <br />6. Exhibit 19(24) was approved with TR66. The exhibit contains the SedCAD designs for <br />the ditches and culverts that convey surface water along and underneath the RDA haul <br />road. Since the proposed surface water scheme has not been revised (except for a small <br />change to D67), the information in the exhibit is sufficient for the proposed revised <br />design. <br />No action is necessary <br />