SR 06:271 - Laserfiche WebLink

a) The project developer shall submit a final grading and drainage plan prepared by a li- censed civil engineer depicting all final grades and on-site drainage control measures in- cluding bio-swales. Irrigated bio-swales shall be redesigned as needed to the satisfaction of the City Engineer to optimize the amount of the storm water running off the paved sur- face that enters the bio-swale at its most upstream end. This plan shall be subject to the review and approval of the City Engineer prior to the issuance of any building permits, b) The project developer shall submit sizing designs criteria to treat stormwater runoff at the time of plan submittal. c) Landscaping shall be designed to minimize irrigation and runoff, promote surface infiltra- tion where appropriate, and minimize the use of fertilizers and pesticides that can con- tribute to stormwater pollution. 1) Structures shall be designed to discourage the occurrence and entry of pests into buildings, thus minimizing the need for pesticides. 2) Where feasible, landscaping shall be designed and operated to treat stormwater runoff, In areas that provide detention of water, plants that are tolerant of satu- rated soil conditions and prolonged exposure to water shall be specified. Soil shall be amended as required, 3) Plant materials selected shall be appropriate to site specific characteristics such as soil type, topography, climate, amount and timing of sunlight, prevailing winds, rainfall, air movement, pattems of land use, ecological consistency and plant inter- actions to ensure successful establishment. 4) Landscaping shall also comply with City of Pleasant on ordinances and policies re- garding water conservation, d) Prior to grading permit issuance the project developer shall submit a copy of the State Water Resources Control Board Notice ofIntent (NOI) for coverage under the State Con- struction Storm Water General Permit for projects with clearing, grading and excavation exceeding the current standards. e) Roof drains shall discharge and drain away from the building foundation to an unpaved area wherever practicable. 57, Stormwater Construction Reauirements The project development shall submit a Stormwater Pollution Prevention Plan (SWPPP) for review and approval by the City Engineer prior to issuance of building or grading permits. Failure to comply with the approved construction SWPPP may result in the SR:06:271 Page 21