Loading...
HomeMy WebLinkAboutTHE LEARNING CASTLE PUD - PRELIMINARY & FINAL - 13-88 - SUBMITTAL DOCUMENTS - ROUND 1 - DRAINAGE RELATED DOCUMENT0 • Mr. Glen Schlueter Storm Drainage Utility City of Fort Collins Steven L. Kraushaar, P.E. 954 Waaonwheel Drive Fort Collins. CO 80526 (303) 223-5403 Re: Proposed Preschool Tract A, First Filing, Warren Farms Subdivision Dear Glen, The purpose of this letter is to document that the proposed development of Tract A is in accordance with the approved drainage report for Warren Farms, First Filing. According to Stan Meyers of RBD Inc., project manager for the subdivision, the assumed imperviousness coefficient utilized to size the subdivision retention ponds was 0.50. The impervious coefficient for Tract A is 0.48, less than the assumea value. calculated as follows: landscaped area - 10,293 SF roofs. walks, drives-_5.210 SF total lot area - 15.503 SF c = 10.293 (.25) + 5,210 (9.5) = 0.48 15,503 Runoff from the lot will be directed to Riva Ridge Road and Riva Ridge Drive as per the approved plan. Therefore the subject lot will be constructed according to the approved plans and will not place an undo burden on retention ponds. Sincerely, _ ' j- /-X� Steven L. Kraushaar, P.E. Colorado License #22364