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b In addition to natural controls, the project developer may be required to <br /> install a structural control(s), such as an oil/water separator(s), sand filter(s), <br /> or approved equal(s) in the parking lot and/or on the site to intercept and <br /> pre-treat stormwater prior to reaching the storm drain The design, <br /> location(s), and a schedule for maintaining the separator shall be submitted <br /> to the City Engineer/Chief Building Official for review and approval prior to <br /> the issuance of a grading or building permit, whichever is sooner The <br /> structural control shall be cleaned at least twice a year (once immediately <br /> prior to October 15 and once in January) <br /> c The project developer shall submit to the City Engineer the sizing design <br /> criteria and calculations for a hydromodification facility, if required, and for <br /> the treatment of stormwater runoff The design criteria and calculations <br /> shall be subject to the review and approval of the City Engineer and shall <br /> be submitted prior to the issuance of a grading or building permit, whichever <br /> is sooner <br /> d Building/Structures shall be designed to minimize the occurrence and entry <br /> of pests into buildings, thus minimizing the need for pesticides, as <br /> determined by the Chief Building Official prior to the issuance of a building <br /> permit <br /> e The project's landscape and irrigation plans shall be designed to 1) <br /> minimize the use of fertilizers and pesticides that can contribute to <br /> stormwater pollution, and 2) promote surface infiltration Prior to the <br /> installation of project landscaping and irrigation, the project landscape <br /> architect shall submit a landscaping and irrigation plan to the City Engineer <br /> for review and approval and submit written verification stating the project <br /> incorporates the following <br /> i Plants tolerant of saturated soil conditions and prolonged exposure <br /> to water in areas that provide detention of water <br /> ii Plants and soil amendments appropriate to site specific <br /> characteristics such as topography and climate <br /> iii Landscaping and irrigation consistent with Bay-Friendly <br /> Landscaping <br /> iv Water conservation techniques to promote surface infiltration <br /> f All metal roofs, gutters, and downspouts shall be finished with rust-inhibitive <br /> finish/paint as determined by the Chief Building Official <br /> P16-1201, P16-1202 & PUD-120, Catalyst Development City Council <br /> Page 25 of 30 <br />