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slurry seal, overlay, or street reconstruction if deemed warranted by <br /> the City Engineer. <br /> 115. The project developer's contractor(s) shall obtain an encroachment <br /> permit from the City Engineer prior to moving any construction <br /> equipment onto the site. <br /> Urban Stormwater Runoff Requirements <br /> 116. The project developer shall install a structural control(s), such as <br /> oil/water separator(s), sand filter(s), or approved equal(s) on the site <br /> to intercept and pretreat storm water prior to reaching the storm <br /> drain. The design, locations, and a schedule for maintaining the <br /> separator shall be submitted to the City Engineer/Director of <br /> Building Inspection for review and approval prior to issuance of <br /> building permits. The structural control shall be cleaned at least <br /> twice a year: once immediately prior to October 15 and once in <br /> January. The project developer shall enter into a maintenance <br /> agreement for the oil/water separator. <br /> 117. Bulk construction materials stored outdoors that may contribute to <br /> the pollution of storm water runoff shall be covered as required by <br /> the City Engineer and/or the Director of Building Inspection. <br /> 118. The project developer shall label all on-site storm drain inlets with <br /> the wording, "No Dumping -- Drains to Bay" using City-approved <br /> methods and materials. On-site storm drain facilities shall be <br /> cleaned a minimum of twice a year as follows: immediately prior to <br /> October 15 and once in January. Additional cleaning may be <br /> required if found necessary by the City Engineer/Director of <br /> Building Inspection. <br /> 119. Prior to the commencement of any clearing, grading, or excavation, <br /> the project developer shall submit a copy of the State Water <br /> Resources Control Board Notice of Intent (NOI) for coverage under <br /> the State Construction Storm Water General Permit. <br /> 120. All cut and fill slopes shall be revegetated and stabilized after <br /> completion of grading before October 15. Hydroseeding shall be <br /> accomplished before September 15 and irrigated with a temporary <br /> irrigation system to ensure that the grasses are established before <br /> October 15. No grading shall occur between October 15 and April <br /> 15 unless approved erosion control/storm water quality measures are <br /> Conditions of Approval,PUD-5,Centex Homes'Apperson Ridge June 5.2001 <br /> Page 30 <br />