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HomeMy WebLinkAboutLot Certifications - 04/05/201803/28/2018 … 7200 South Alton Way, Suite C400 Centennial, CO 80112 303-740-9393 x Fax 303-921-7320 … 3930 Sinton Road, Suite 219 Colorado Springs, CO 80907 719-593-2593 x Fax 303-921-7320 X 2900 South College Avenue, Suite 3D Fort Collins, CO 80525 970-491-9888 x Fax 303-921-7320 MEMORANDUM To:City of Fort Collins, Bldg Dept. From:Tim Halopoff, PE, CFM Date:4-5-18 Subject:902 & 908 Blondel Street, Bldgs E & G – Drainage Certificate Supplement Certification of Lot Grading - Supplement 4., 5., 6., & 7. Buildings E & G , within the North Flats Subdivision, are surrounded by immediately adjacent sidewalk on 3 sides and alley on the 4th side. Many of the ground floor units are ADA accessible units and much of the ground surrounding these units are covered in concrete. As such, finished grade elevations with respect to finished floor, and slopes around and between the structures in many cases provide the 6” drop, 5% away and 1% longitudinal swale slope. In a few areas these characteristics are not present. In those cases concrete pans, rip-rap lined swales and other care has been taken to provide adequate drainage away from the structures. Buildings E & G are constructed and graded with functional, acceptable drainage patterns, and are consistent with the approved drainage plan. NORTH FLATS AS-BUILT EXHIBIT PORTIONS OF BLOCKS 3,4,7 AND 8 OF OLD TOWN NORTH, A TRACT OF LAND LOCATED IN THE SOUTH HALF OF THE WEST QUARTER OF SECTION 1, TOWNSHIP 7 NORTH, RANGE 69 WEST OF THE 6TH PRINCIPAL MERIDIAN, CITY OF FORT COLLINS, COUNTY OF LARIMER, STATE OF COLORADO 4025 Automation Way, Suite C4 Fort Collins, CO 80525 970-232-9645 www.WashburnSurveying.com Sheet 1 of 1 Project #: 2017-0041 Date: Jan. 10, 2018 Scale: 1"=10' Drawn: CDB Sc a l e : 1 " = 1 0 ' ELEVATIONS SHOWN ARE FROM AN AS-BUILT SURVEY OF THE SITE PERFORMED ON DECEMBER 21, 2017, FEBRUARY 1 AND MARCH 28, 2018 PHASE 1 - COMPLETED PHASE 1 - COMPLETED RECORD DRAWING 04/02/2018 Note: As-built data provided by Contractor. See attached as-built survey by Washburn Land Surveying, dated Marchj 28, 2018 Downspout as-built location BLDG E BLDG G 63.39 63.38 63.86 63.76 63.75 63.42 63.19 62.69 63.92 63.38 FL END OF PAN 63.29 FL PAN 63.21 FL PAN 63.05 FL Downspout outfall onto canopy roof Carport with overhead canopy roof Downspout outfall to finish grade