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HomeMy WebLinkAboutDrainage Reports - 07/08/1992Gy� / STEWARFMSSOCIATES Consulting Engineers and Surveyors ,F© � 1�l j S e?Ct(2 July 2, 1992 Final Approved Report e Mr. Glen Schlueter Storm Water Utility City of Fort Collins P.O. Box 580 Fort Collins, Colorado 80522 Dear Glen: Shirley Brookey, the property manager for Aspen Leaf Apartments, has asked me to provide to you the necessary plans and calculations to obtain a building permit for a garage building on the site. The attached site plan shows the proposed location of the garage building. The building will be located on an area which is presently grass and gravel. Also attached is a location plan of the total apartment complex on which I have shown the drainage patterns of the site. I have calculated the increase in site runoff caused by the new garage building for 2—year and 100—year storms. The calculated increase in depth of the downstream Horsetooth Road gutter flow is .shown on the attached computation sheets. This increase in depth is insignificant; therefore, I believe a variance from the onsite detention requirement is warranted. Please call if you need further information about this project. Sincerely, Phillip I. Robinson, :P:-€. & L.S. Vice President i"R1 jrr attachments 4502 5 T.. •••••••• i James H. Stewart and Associates, Inc. 214 N. Howes Street P.O. Box 429 Ft. Collins, CO 80522 303/482-9331 COMPUTATIONS Stewart & Associates, Inc. 1.03 5. MELDRUM:S}':: Ft. Collins, CO 80521 (303) 482-9331 By: 21 Z Date 7 Z 2 Client: 13'rookeYSheet NO.of Chkd By: Date Project: AS 11 Le-f- zA�ocr4^^e^-h —/ Jew GQrG� r Subject �X i.540 9 'S 4-o r-+-� v%,/ _ 7yn o' -}EOM S I �C COMPUTATIONS Stewart & Associates, Inc. ... _. 1,03 5. MELDRUM.5V:. Ft. Collins, CO 80521 (303) 482-9331 By: T-21 R Date Client: S4' T3t ocJce v Sheet No. Z of Chkd By: Date Project: Ape,-, Le-J Apoi4AAe�l -. Nen. GoiofP .. wF. c I Subject_.-S'U�.M '�Pr rt�no��- &�t'-f'/' �rP�P_. GGnS7-/VG1 ?'c•� COMPUTATIONS. Stewart & Associates, Inc. 103 S. ME(_oRum.sT.-, : :Ft. Collins, CO 80521 (303) 482-9331 By: P) 7 Date Client: Sh j C r 00 V Sheet No. of Chkd By: -Date- Project: Le CJ- Goff rJf Subject Fh? 4ofsevAi�a� ri�7d, J