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CNK CONTINENTAL MATERIALS CORPORATION <br /> Response: Exhibit E has been revised to specify the planting rates for the Pinyon-Juniper areas. <br /> d. Shrub plugs vs seeds: Please clarify if both mountain mahogany plugs and seeds are proposed for <br /> revegetation. <br /> Response: CIVIC will plant both shrub tublings/plugs and seeds. <br /> e. Shrub diversity: Please specify a breakdown of the number of mountain mahogany plugs and <br /> Gambel's oak plugs per acre in support of Rule 3.1.10(1). <br /> Response: Exhibit E has been revised to specify that mountain mahogany plugs and Gambel's oak plugs <br /> will be planted at the rate of 12 shrubs per acre. <br /> f. Seeding clarification: It is uncertain to which areas the proposed seed mixes in Tables E-2 and E-3 <br /> apply. Is the boundary strictly between Federal (USFS)and private, or is it above and below elevation <br /> 7450? Please clarify and provide seeding areas relative to the 139.1 acres of proposed disturbance. <br /> Response: The seed mix in Table E-2 will be used on USFS land, and the seed mix in Table E-3 will be <br /> used on private lands.A map showing the seeding areas has been included in Exhibit F. <br /> 39. Exponent Report:Section 3.1 in Exhibit 6.5 references a 2011 "Investigation of the Pikeview Quarry" <br /> by Exponent Failure Analysis Associates and Core logs for drill holes EXC-1 to EXC-4.The DRMS does not <br /> have the Exponent report or the core logs in our record. Both are referenced again for AM-04. In <br /> addition,there is a reference to a clay bed in Table 3.2. Please provide the following: <br /> a. A copy of the Exponent report, <br /> Response: The Exponent report is included on the attached USB drive. <br /> b.The Core logs for holes EXC-1 to EXC-4, and <br /> Response: The logs are included in the Exponent report. <br /> c. Investigations and/or reports supporting the existence and properties of the clay layer. <br /> Response: The Exponent report discusses in detail the investigation of the clay layer and the material <br /> properties of the clay layer and other materials onsite. <br /> 40. Seismic Coefficient:The seismic coefficient for the slope stability analysis in Exhibit 6.5 was set at <br /> 0.030g and appears to have been set utilizing the peak gravitational acceleration (PGA)and long-term <br /> spectral acceleration (S1). It appears there is not an industry standard for determining the appropriate <br /> seismic coefficient for these types of projects and common practice appears to accept professional <br /> Pikeview Quarry Amendment 4, Response to Adequacy <br /> February 7, 2020 <br /> 13 <br />