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CGIZS <br />P.O. Box 1489 <br />July 20, 2011 <br />Weld County Planning and Building Department <br />1555 N. 17` Ave. <br />Greeley, Colorado 80631 <br />Attn: Mr. Kim Ogle <br />RE: Varra Great Western Sugar Project <br />Flood Hazard Development Permit Application <br />CGRS No. 1- 135- 12539ab <br />Dear Mr. Ogle: <br />Please find an executed Flood Hazard Development Permit Application (FHDP) for the <br />referenced site. We used the County's Procedural Guide in developing this submittal. The <br />supplemental requirements are addressed by item. <br />1) A completed application form is attached to this submittal. <br />Fort Collins, CO 80522 T 800 - 288 -2657 <br />ENVIRONMENTAL MG°Q 1©gg <br />2) The application is for a open cut and dry mine gravel quarry and the proposed operations <br />comply with Section 23 -2 -480 of the Weld County Code. The flood plain management <br />standards are addressed by item. <br />a) There are no proposed structures or utilities that would be built within the 100 -year <br />flood plain. <br />b) There are no non - residential structures proposed for this operation. <br />c) There are no new or replacement water wells, water supply, treatment or storage <br />systems proposed for this operation. <br />d) There are no new or replacement sanitary sewer systems planned for this operation. <br />e) The development of the gravel quarry will result in increased lateral water storage and <br />will provide a benefit during flood events. Extraction material may be temporally stored <br />within the flood plain; but these materials are not protected and will be subject to <br />erosion and will not impede the flood way or raise the base flood elevation (BFE). Tract <br />A (Figure 1), which is not within any designated flood plain, will be that last tract mined <br />and can store any significant volume of mined material or equipment. As Tract A is <br />mined equipment or mined material will be stored on the periphery of the flood plain or <br />stored below the existing grade and will not alter any water course or raise the BFE. <br />f) A certification is provided that the proposed use will not limit or restrict the flow <br />capacity of the floodway and will not cause any rise in the BFE. <br />F 970 - 493 -7986 www.cgrs.com <br />