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CITY OF SANTA ANA <br />REQUEST FOR PROPOSALS <br />FOR <br />ON -CALL WATER RESOURCES ENGINEERING SERVICES <br />RFP NO.22-002 <br />vi. Geotechnical Engineering Services <br />Conduct geotechnical investigations, including field explorations and tests, <br />laboratory tests, and seismic investigations, to assess the general conditions of a <br />project site area and prepare geotechnical reports of final design and construction <br />recommendations. Field explorations may require drilling plans and classification <br />of underlying soils and must be done under the supervision of a licensed <br />geotechnical engineer or registered geologist. Investigations may include slope <br />stability analysis of reservoir embankments, foundations, retaining walls, and dams <br />and earthen dam monitoring and inspection to comply with California Department <br />of Water Resources, Division of Safety of Dams (DSOD) and other City <br />requirements. Provide seismic hazard analyses and site -specific seismic criteria, as <br />needed, for project design. <br />vii. Hydrogeology <br />Provide consulting services on groundwater issues related to and including <br />rehabilitation of existing potable water production wells, siting and design of new <br />potable water production wells, destruction of inactive wells, evaluation of <br />contamination plumes, and groundwater modeling. Evaluate the hydrogeology of <br />proposed potable water production well sites and investigate proposed wells. <br />Determine design parameters and requirements necessary to drill, operate, and <br />maintain proposed wells; proposed well construction (casing diameter, locations of <br />perforated intervals); and proposed operation of wells. Prepare Drinking Water <br />Source Assessment and Protection (DWSAP) plans for proposed potable water <br />production wells. <br />Provide inspection, hydrogeologic analysis and recommendations during new <br />potable water production well drilling and existing well destruction activities, <br />including, but not limited to, on site consulting geologists, geological sampling and <br />formation analysis, geophysical logging and interpretation, sieve analyses, final <br />well constriction recommendations, and quality assurance and assistance in <br />achieving conformance with the constriction specifications and applicable codes <br />and standards. <br />viii. Environmental Compliance Services <br />Provide consulting services for the preparation of environmental documents and <br />support studies to comply with California Environmental Quality Act (CEQA), <br />which may include an Initial Study, Negative Declaration, Mitigated Negative <br />Declaration, Addendum, or Environmental Impact Report, or Supplement or <br />Subsequent EIR, National Environmental Policy Act (NEPA) when complying <br />City of Santa Ana RFP 22-002 <br />Page Al-4 <br />