Reso 2022-085 Approving Third Addendum and Planning Entitlements

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Charge per San Leandro Municipal Code Section 7-12-245 and the City Engineer. In the absence of the soils engineer or his representative on site, the Engineering & Transportation Department will shut down the grading operation. 199. Contour grading techniques shall be implemented throughout the project to achieve a more natural appearance and shall be in substantial conformance with the approved Vesting Tentative Map. Tops of cuts or toes of fills adjacent to existing public rights -of -way or easements shall be set back a minimum of two feet from said rights -of -way and easements where feasible. All cut and fill slopes more than five (5) feet in height shall be rounded both horizontally and vertically where feasible. 200. Grading on adjacent properties shall require written approval from the affected property owners. 201. Open space parcels shall not be used as borrow or disposal areas for any material. No grading shall take place on these parcels unless shown on the Vesting Tentative Map, or specifically approved by the City Engineer. 202. On -site finish grading work shall require drainage to be directed away from all building foundations at a minimum slope of 2 percent and a maximum slope of 20 percent toward approved drainage facilities or swales. Non -paved drainage swales shall have a minimum slope of 1 percent along the flowline of the Swale. 203. The Applicant/Developer's project engineer shall inspect the finished grading and certify that it conforms to the compaction and elevations shown on the Grading Plan and Soils Report prior to issuance of a building permit. 204. If any lot is to be re -graded after mass and finish grading is completed, a new grading permit is required. Review of the proposed grading by soils engineer and field testing of the grading shall be required. 205. At all times seasonally appropriate erosion control measures shall be implemented per plans approved by the City Engineer for all grading work. Wet season measures shall be in place October through April at a minimum and when there is rain forecast. At the time of approval of the Improvement and/or Grading Plans, an approved Erosion Control Plan prepared by a Registered Civil Engineer shall be filed with the City Engineer. 206. The Applicant/Developer shall prepare and implement the required Storm Water Pollution Prevention Plan (SWPPP) to address the potential impacts of hazardous materials releases during construction. 207. All graded slopes and stockpiles of loose soil shall be hydromulched/hydroseeded by October of any given year in compliance with Best Management Practices (BMPs) and State requirements. During grading work between October and April, if there is a rain forecast, stop all grading work two days before the rain forecast and implement BMPs to ensure that the site is protected from erosion. 208. The Applicant/Developer shall incorporate construction -related erosion and sedimentation control measures into a comprehensive erosion control plan to be reviewed and approved by the City prior to the issuance of a grading permit pursuant to Mitigation Measure GEO-2A. The erosion control plan shall conform to the guidelines of the Clean Water Program and Utilize BMP's detailed under Recommended Conditions of Approval June 21, 2022 PLN22-0008, PLN21-0020 & PLN21-0021 Page 35 of 39