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8.A. - Page 50 <br /> cntena (e.g., heigh� builc&ng c&sposition) in the DTPP. Also, there are no other public airports,public use airports, <br /> or pnvate airstrips within two miles. Therefore, implementation of the proposed project will not result in a safety <br /> hazard for people resic&ng or worin�ng in the projectvicinity. <br /> g. The proposed design will be reguired to comply with all applicable City codes and regulations pertaining to <br /> emergency response and evacuafion, as well as fire protection and secunty. In adc&fion, DTPP program EIR <br /> Mifigation 8-1 reguires the City to implement signal detectors at selected intersections as needed over time to <br /> provide pnonty traffic signal timing for emergency response vehicles; this program is underway. As a resul� the <br /> proposed project will not impair or interfere with emergency plans, and the impact is considered less than <br /> significant <br /> h. The project site is located in a Downtown urban enviranment not adfacent to wildlands and therefore will not <br /> expose people or structures to a significant nsk of loss, injury, or death involving wildland fires. <br /> Summary of Impacts <br /> Potentially Less than Signifcant Less than <br /> Significant With Mitigation Signifcant No <br /> Impact Incorporated Impact Impact <br /> IX. HYDROLOGY AND WATER QUALITY -- YVould the project: <br /> a) Violate any water quality standards or waste discharge requirements? X <br /> b) Substantially deplete groundwater supplies or interfere substantially with X <br /> groundwater recharge such that there would be a net deficit in aquifer volume <br /> or a lowering of the local groundwater table level(e.g.,the production rate of <br /> pre-existing nearby wells would drop to a level which would not support <br /> existing land uses or planned uses for which permits have been granted)? <br /> c) Substantially alter the existing drainage pattem of the site or area, including X <br /> through the alteration of the course of a stream or river, in a manner that would <br /> result in substantial erosion or siltation on-or off-site? <br /> d) Substantially alter the existing drainage pattem of the site or area, including X <br /> through the alteration of the course of a stream or river, or substantially <br /> increase the rate or amount of surface runoff in a manner which would result in <br /> flooding on-or off-site? <br /> e) Create or contribute runoff water which would exceed the capacity of existing X <br /> or planned stormwater drainage systems or provide substantial additional <br /> sources of polluted runoff7 <br /> � Otherwise substantially degrade water quality? X <br /> g) Place housing within a 100-year flood hazard area as mapped on a federal X <br /> Flood Hazard Boundary or Flood Insurance Rate Map or other flood hazard <br /> delineation map? <br /> h) Place within a 100-year flood hazard area structures that would impede or X <br /> redirect flood flows? <br /> i) Expose people or structures to a significant risk of loss, injury or death X <br /> involving flooding including flooding as a result of the failure of a levee or <br /> dam? <br /> j) Inundation by seiche,tsunami, or mudflow? X <br /> Documentation: <br /> a. &e. The proposed project site is located within a Downtown urban setting, which is served by an existing storm drain <br /> system that outfalls into San Prancisco Bay. Implementafion of the proposed project will ufilize the erisfing storm <br /> water conveyance facilities and will not contain uses that will involve the c&scharge of cooled/heated water or <br /> pollutant-laden runoff. However, given the local urbanized area, the existing storm water flows contain urban runoff <br /> with contaminants such as oil grease, parliculates, metals, and solvents. Because the proposed project is subject to <br /> the reguirements of an NPDES permit for municipal storm water runoff and other reguirements of the City, County, <br /> and Regional YVater Quality Control Boarc� the conc&tians of which limit the volume of contaminants allowed to <br /> 15 <br />