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1 <br /> needed to the satisfaction of the City Engineer to optimize the amount of the <br /> stormwater running off the paved surface that enters the bio-swale at its most <br /> upstream end This plan shall be subject to the review and approval of the City <br /> Engineer prior to the issuance of any building permits <br /> b In addition to natural controls the project developer may be required to install a <br /> structural control, such as an oil/water separator, sand filter, or approved equal <br /> (on-site) to intercept and pre-treat stormwater prior to reaching the storm drain <br /> The design, locations, and a schedule for maintaining the separator shall be <br /> submitted to the City Engineer/Chief Building Official for review and approval prior <br /> to issuance of building permits The structural control shall be cleaned at least <br /> twice a year once immediately prior to October 15 and once in January <br /> c The project developer shall submit sizing design criteria to treat stormwater runoff <br /> and for hydromodification, if required, at the time of PUD plan submittal and an <br /> updated detailed copy of calculations with subsequent submittals <br /> d Landscaping shall be designed to minimize irrigation and runoff, promote surface <br /> infiltration where appropriate and acceptable to the project soils engineer, and <br /> minimize the use of fertilizers and pesticides that can contribute to stormwater <br /> pollution <br /> I Structures shall be designed to prohibit the occurrence and entry of pests into <br /> buildings, thus minimizing the need for pesticides <br /> II Where feasible, landscaping shall be designed and operated to treat <br /> stormwater runoff In areas that provide detention of water, plants that are <br /> tolerant of saturated soil conditions and prolonged exposure to water shall be <br /> specified Soil shall be amended as required (See planting guide line by <br /> Alameda County Clean Water Program ) <br /> III Plant materials selected shall be appropriate to site specific characteristics <br /> such as soil type, topography, climate, amount and timing of sunlight, prevailing <br /> winds, rainfall, air movement, patterns of land use, ecological consistency and <br /> plant interactions to ensure successful establishment <br /> IV Landscaping shall also comply with City of Pleasanton ordinances and policies <br /> regarding water conservation <br /> e Roof drains shall discharge and drain away from the building foundation Ten <br /> percent of the stormwater flow shall drain to landscaped area or to an unpaved <br /> area wherever practicable <br /> B. Construction Requirements <br /> The Construction General Permit's construction requirements include, but are not limited <br /> to, the following <br /> Construction activities (including other land-disturbing activities) that disturb one acre or <br /> more (including smaller sites that are part of a larger common plan of development) are <br /> regulated under the NPDES stormwater program Operators of regulated construction <br /> Case No PUD-114, 11300 Dublin Canyon City Council <br /> Page 22 of 26 <br />