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City of Santa Ana <br />7-Eleven Convenience Store and Service Station Project <br />Mitigation Monitoring and Reporting Program <br />Table 1 (cont.): 7-Eleven Convenience Store and Service Station Project Mitigation Monitoring and Reporting Program <br />Mitigation Measures <br />MM GEO-6: Percolation Testing <br />Final percolation testing shall be performed in as graded <br />conditions so that effects from soil compaction are <br />incorporated in the test results. <br />MM GEO-7: Post -Investigation <br />Final project grading and foundation plans, foundation details <br />and specifications shall be reviewed by a Geotechnical <br />Engineer prior to construction to check that the intent of the <br />recommendations presented herein have been applied to the <br />design. Following review of plans and specifications, <br />observation during construction shall be performed to <br />correlate the findings of this exploration with the actual <br />subsurface conditions exposed. <br />9. Hazards and Hazardous Materials <br />Verification of Completion <br />Responsible for <br />Method of Verification Timing of Verification Verification Date Initial <br />Conduct on -site During and after City of Santa Ana <br />inspections grading <br />Review and approval of Prior to construction City of Santa Ana <br />construction plans activities <br />MM HAZ-1: Environmental personnel shall be present on -site Confirm the presence of During UST <br />when the excavation for the new USTs are completed to an environmental excavation <br />establish a baseline at the time of occupancy of the 7-Eleven personnel <br />convenience store. <br />13. Noise <br />MM NOI-1: To reduce potential construction noise impacts, the <br />Conduct on -site During construction <br />following multi -part mitigation measure shall be implemented <br />inspections to ensure that activities <br />for the proposed project: <br />the mitigation measures <br />• The construction contractor shall ensure that all equipment <br />have been implemented. <br />driven by internal combustion engines shall be equipped <br />with mufflers, which are in good condition and appropriate <br />for the equipment. <br />• The construction contractor shall ensure that unnecessary <br />idling of internal combustion engines (i.e., idling in excess of <br />5 minutes) is prohibited. <br />FirstCarbon Solutions <br />Y:\Publications\Client(PN-1N)\0327\03270041\MMRP\03270041 City of Santa Ana 7-Eleven MMRP.docx <br />City of Santa Ana, <br />Department of Toxic <br />Substance Control <br />(DTSC) <br />City of Santa Ana <br />13 <br />1-27 <br />