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7/19/13 State.co.us Executive Branch Mail -Re: New Horizon North TR -04 - Request for Assistance <br />Burgmaier - DNR, Susan <susan.burgmaier @state.co.us> Fri, Jul 19, 2013 at 9:12 AM <br />To: "Talvitie - DNR, Marcia" <marcia.talvitie @state.co.us> <br />Cc: Mary Rodriguez - DNR <mary.rodriguez @state.co.us> <br />Marcia - Per your request, I have reviewed the TR -04 submittal. I have one adequacy issue for the operator: <br />The information provided includes the anticipated flow depth and minimum depth requirement for each section of <br />the the NHN -001 ditches, but it is does not appear that WFC has given the as -built dimensions of the ditches. <br />The channel geometry has been provided, but the actual depth and top width of the ditches is not apparent. <br />Please revise Appendix 2.05.3(4) -7 Page 1 and Map 2.05.3(4) -8 to indicate the as -built depth of the segments of <br />the NHN -001 Ditches. The table should be revised to include the constructed depth and width in the "Channel <br />Properties" column, and the map should be revised to indicate that the actual constructed dimensions are <br />detailed on the table. Once WFC has provided the actual constructed depth of each segment, the Division will be <br />able to verify that the constructed ditches are adequate to convey the anticipated flow depth with the required <br />minimum freeboard. <br />Please let me know if you have questions or need additional information. <br />Susan L. Burgmaier <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver CO 80203 <br />303 - 866 -3567 x 8111 <br />http://mining.state.co.us <br />On Tue, Jul 2, 2013 at 11:44 AM, Talvitie - DNR, Marcia <marcia.taIvitie @state.co.us> wrote: <br />Hi Susan, <br />We received an application for TR -04 at New Horizon North, which provides as -built designs for the collection <br />ditches that feed Pond NHN -001. (As you may recall, TR -01 covered the as -built details for the pond itself.) <br />would like to request your assistance with reviewing the TR -04 application for adequacy with respect to Rule <br />2.05.3(4). The application was deemed complete on May 23, 2013. Although I had intended to request your <br />assistance previously, and thought I had, I was mistaken. Please forgive my tardiness. The adequacy review <br />was originally due on June 22, 2013, and the Decision Date is presently set at July 22, 2013. Please give me <br />an idea of when you might be able to fit this review into your schedule, and we will extend the decision due <br />date as necessary. <br />Thank you for your help, <br />Marcia <br />https: / /mai l.g oog le.com/mai 1 / ?ui =2 &i 1--4546421 a5a &view= pt &search =i nbox&th= 13ff77de1409afae 1/2 <br />