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HomeMy WebLinkAboutCDP 15-45; ABDI RESIDENCE; BMP CERTIFICATION - STRUCTURAL SPECIAL INSPECTION; 2021-11-19 9666 businesspark ave., Suite 210 San Diego, CA 92131 Phone: (858) 831-0111 Fax: (858) 831-0179 Date: November 19, 2021 Eric Martinez City of Carlsbad Public Works Department 1635 Faraday Avenue Carlsbad, CA 92008 RE: Grading Permit Number CDP 15-45 Engineer's Special Inspection Certification of Structural BMPs This letter is hereby submitted to certify that the structural BMP constructed at 5263 Shore Drive was installed in substantial conformance with the final grading plans (Drawing No. 501-8A). The 172 ft2 biofiltration area consists of the following:  A 24”x24” concrete grated inlet with 9” minimum freeboard  18” of soil media (sandy loam) suitable for vegetation growth over native soils  Impervious plastic liner  Informational signage labeling basin as Permanent Water Quality Treatment Facility The biofiltration area was inspected by or under the direction of the undersigned on August 3, 2021 and October 20, 2021. Feel free to contact me if you have any questions or comments. Thank you, Signature Date Michael C. Kinnear, Engineer of Record R.C.E. 76785 ~ COFFEY ENGINEERING, INC.