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Stormwater Desien Requirements <br />72. The project shall comply with the Alameda Countywide NPDES Permit <br />#CA50029831, a copy of which is available at the City offices. <br />73. The following requirements shall be incorporated into the project: <br />a) The project developer shall submit a final grading and drainage plan prepared by a <br />licensed civil engineer depicting all final grades and on-site drainage control <br />measures including bio-swales. Irrigated bio-swales shall be redesigned as needed to <br />the satisfaction of the City Engineer to optimize the amount of the storm water <br />running off the paved surface that enters the bio-Swale at its most upstream end. This <br />plan shall be subject to the review and approval of the City Engineer prior to the <br />issuance of any building permits. <br />b) The project developer shall submit sizing designs criteria to treat Stormwater runoff at <br />the time of plan submittal. <br />c) Landscaping shall be designed to minimize irrigation and runoff, promote surface <br />infiltration where appropriate, and minimize the use of fertilizers and pesticides that <br />can contribute to Stormwater pollution. <br />1) Structures shall be designed to discourage the occurrence and entry of pests into <br />buildings, thus minimizing the need for pesticides. <br />2) Where feasible, landscaping shall be designed and operated to treat Stormwater <br />runoff. In areas that provide detention of water, plants that are tolerant of <br />saturated soil conditions and prolonged exposure to water shall be specified. Soil <br />shall be amended as required. <br />3) Plant materials selected shall be appropriate to site specific characteristics such as <br />soil type, topography, climate, amount and timing of sunlight, prevailing winds, <br />rainfall, air movement, patterns of land use, ecological consistency and plant <br />interactions to ensure successful establishment. <br />4) Landscaping shall also comply with City of Pleasanton ordinances and policies <br />regarding water conservation. <br />d) Prior to grading permit issuance the project developer shall submit a copy of the State <br />Water Resources Control Board Notice of Intent (NOI) for coverage under the State <br />Construction Storm Water General Permit for projects with clearing, grading and <br />excavation exceeding the current standards. <br />e) All metal roofs shall be finished with rust-inhibitive paint. <br />f) Roof drains shall discharge and drain away from the building foundation to an <br />unpaved area wherever practicable. <br />14 <br />