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<br /> Lutz CSG CSG: Decommissioning Plan <br />3.2 Civil Infrastructure <br />• <br />• <br />• <br />• <br />• <br />• <br />3.3 Structural Infrastructure <br />• <br />• <br />3.4 Electrical Infrastructure <br />• <br />• <br />• <br />• <br />• <br />• <br />• <br />• <br />3.5 Recycling PV Modules <br />• <br />o Creating a useful and sustainable method of disposal <br />o Providing raw materials for repurposing and reprocessing <br />o <br />o <br />o Recycling of rare earth metals. <br />Page 2 <br />Steel pile foundation removal is estimated at 25% the effort and cost as pile <br />installation. <br />Steel racking removal is estimated at 50% the effort and cost of racking installation. <br />PV modules to be recycled. Assumption is that the modules are 72 cell polysilicon <br />modules, having an approximate dimension of 6’ x 3’ in dimension. <br />Switchgear including transformers will be removed from their respective concrete pads <br />and recycled or returned to the manufacturer. <br />Copper wiring will be dug up (if required) and recycled. <br />Aluminum wiring will be dug up (if required) and recycled. <br />Topsoil used to backfill excavations will be borrowed from onsite locations. No topsoil <br />import is included. <br />Remove rip rap at stormwater basins. <br />Aggregate removal will be the full depth of the aggregate section for roads, equipment <br />pads, and other areas utilizing aggregate. No aggregate will be buried. Includes <br />subgrade scarification prior to backfilling with topsoil. <br />Turf establishment includes mulch, fertilizer, and water as necessary to achieve 70% <br />ground cover as required to satisfy the NPDES Construction General Permit. <br />Sediment control cost consists of silt fence but could also be fiber logs. Location of <br />sediment control will be downslope from exposed soils only in areas where <br />sedimentation offsite or into onsite water bodies can reasonably be expected. <br />Trees and shrubs shall be protected and shall remain in place. <br />February 23, 2024 <br />Recovering up to 90% of the photovoltaic glass and up to 95% of the <br />semiconductor material necessary for further production <br />Recycling solar modules have environmental benefits such as <br />On site riser or interconnection poles shall be removed. <br />String inverters/combiner boxes are no more than 130 lbs. in weight and not more than <br />40” x 25” x 12” in dimension. A two-person crew can dismantle a string inverter and <br />recycle the components. <br />Transformers are pad mounted and weigh approximately 8,500 pounds. These are dry <br />type transformers, so there is no need for any oil disposal. <br />Underground power and communication cables can be removed by excavating with a <br />power trencher or excavator.