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4 Environmental Analysis <br /> 4.3 Air Quality <br /> the current Project design. Default settings in CalEEMod were used when Project-specific <br /> information was not available. Table 4.3-4 shows the construction schedule and Table 4.3-5 <br /> shows the construction equipment and vehicle trips. <br /> Table 4.3-4. Construction Schedule <br /> Phase Duration(days) Week Numbers. <br /> Site and Substation Preparation and Grading 80 1-16 <br /> Energy Storage Enclosure and Substation Installation 180 17-52 <br /> Gen-tie Line Foundation and Tower Erection 30 41-46 <br /> Gen-tie Line Pulling and Stringing 30 47-52 <br /> Testing and Commissioning 60 53-64 <br /> Table 4.3-5. Construction Equipment and Vehicle Trips Per Phase <br /> Equipment Daily <br /> Usage Daily Worker VendorTotal <br /> Construction Phase Equipment Type Quantity <br /> Air Compressors 4 8 <br /> Tractors/Loaders/Backhoes 2 8 <br /> Graders 2 8 <br /> Off-highway Trucks 8 8 <br /> Rollers 2 8 <br /> Site Clearing and Rubber Tired Dozers 2 8 <br /> Preparation 40 4 3,680 <br /> p Rubber Tired Loaders 2 8 <br /> Skid Steer Loaders 4 8 <br /> Trenchers 2 8 <br /> Dumpers/Tenders 8 8 <br /> Generators 2 24 <br /> Generators 2 8 <br /> Air Compressors 4 8 <br /> Cranes 2 8 <br /> Excavators 4 8 <br /> Energy Storage Generator Sets 4 8 <br /> Enclosure and 120 20 3,600 <br /> Substation Installation Forklifts 2 8 <br /> Plate Compactors 2 8 <br /> Rollers 2 8 <br /> Tractors/Loaders/Backhoes 6 8 <br /> Air Compressors 2 8 <br /> Cranes 2 8 <br /> Gen-tie Line Foundation Forklifts 2 8 <br /> and Tower Erection Generator Sets 2 24 40 4 600 <br /> Pumps 2 8 <br /> Welders 2 8 <br /> Griffith Energy Storage Project 4.3-18 Tetra Tech/SCH 2022120675 <br /> Draft Environmental Impact Report August 2023 <br />