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GEOLOGICAL IMPACTS <br /> <br />IMitigation Measure: <br /> <br />Water quality preservation measures during <br />construction. <br /> <br />Impact to be Mitigated: Construction activity would impact water quality. <br /> <br />Agency / Individual <br />Responsible for <br />Implementation: <br /> <br />Implementation Timing: <br /> <br />Mitigation Specifications: <br /> <br />Agency / Individual <br />Responsible for <br />Monitoring: <br /> <br />Action by Monitor: <br /> <br />Monitoring Timing: <br /> <br />City of Pleasanton Public Works Department, <br />Contractor <br /> <br />During construction <br /> <br />(1) Implement erosion and siltation control measures <br />(2) Minimize discharge of fine sediment from work site <br />(3) Locate staging and storage areas outside of stream's <br /> high water channels and associated riparian area; <br /> position equipment over drip-pans; move vehicles to <br /> safe locations prior to re-fueling <br />(4) Prohibit storing building materials where they could be <br /> washed into the water or where they could cover <br /> riparian vegetation <br />(5) Prohibit project-related materials (sawdust, raw cement, <br /> etc.) from contaminating the soil and/or entering the <br /> waters <br />(6) Prohibit contractor from dumping litter or construction <br /> debris within the arroyo / riparian zone <br />(7) Require regular removal of debris and correct disposal <br /> from the project site <br /> <br />City of Pleasanton Public Works Department, CDFG, <br />RWQCB <br /> <br />Ensure that requirements and prohibitions to preserve water <br />quality are implemented by contractor, subcontractors, and <br />all persons who visit the project site during construction <br /> <br />During construction <br /> <br />Page 5 <br /> <br /> <br />