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2.4.3 Review preliminary alternate reservoir concepts with City staff <br /> and modify as needed. <br /> <br /> 2.4.4 Review alternate reservoir cohcepts with site property owner <br /> and City of Dublin. <br /> <br /> 2.4.5 Make final . modifications to alternate reservoir concepts, <br /> prepare matrix evaluation of alternates and present to City. <br /> staff wi th ~recommndation. <br /> <br /> 2.4.6 Meet with NPID and CALTRANS regarding TassaJara-Santa Rita/ <br /> 1-580 I/C Transmission Main crossir~ concerns. <br /> <br /> 2.4.7 Develop preliminary alternate Transmission Main routes across <br /> 1-580 with preliminary cost estimates. <br /> <br /> 2.4.8 Review results of 1.4.7 with City staff and NPID and Jointly <br /> select best apparent route. <br /> <br /> 2.4.9 Review selected 1-580/Transmission Main crossing with CALTRANS. <br />Task 2,5 P. repare Prel. iminary Des i~n <br /> <br /> 2.5.1 Conduct cotroe ion engineering investigation along route of <br /> Transmission Main, and at reservoir site, if appropriate. <br /> <br /> 2.5.2 Prepare conceptual reservoir site plan, access road and utility <br /> corridor routes, rights-of-way, erosion control and landscape <br /> concepts, and conceptual typical details for the reservoir <br /> foundation, structure, valve pit with piping schematic, instru- <br /> mentation, controls, radio telemetry and wiring line diagrams; <br /> incorporate City Design Standards as appropriate. <br /> <br /> 2.5.3 Prepare predesign plan and profile for Transmission Main, <br /> including TassaJara-Santa Rita/I-580 crossing concept plan, <br /> select suitable alternate pipe materials for City consideration <br /> of alternate pipe bid schedules and typical details for pipe <br /> installation and appurtenances; incorporate City Design Stan- <br /> dards as appropriate. <br /> <br /> 2.5.4 Prepare preliminary construction schedule and cost estimate. <br /> <br /> 2.5.5 Compile the output of 1.5.1 through 1.5.4 in a Predesign Report <br /> for City staff review and approval. <br /> <br /> 2.5.6 Submit Predes tgn Report to site property owner, City of Dublin, <br /> CALTRANS, DFG and other affected agencies for review and <br /> cOrmant, <br /> <br /> -4- <br /> <br /> <br />