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k f`f \E\E\E El hry RECLAMATION PLAN—SOLARI PIT 2002 George Reed, Inc. Page 5 E IL DESCRIPTION OF PROPOSED MINING OPERATION (continuedQ B. Estimated Production Schedule PHASE I: Product Completion Reclamation ±29 Acres 332,000 CY S/G 2010-2013 2015 500,000 CY OB PHASE II: E +30 Acres 334,000 CY S/G 2013 -2016 2018 ! 500,000 CY OB ` PHASE III: 334,000 CY S/G 2016-2019 2021 +30 Acres 500,000 CY OB PROJECT TOTALS: 1,000,000 CY S/G 1,500,000 CY O/B NOTE: Annual Average Mining Quantities- 10 Acres/Year 166,667 CY Overburden/Year 111,333 CYSand& Gravel/Year C. Mining Plan 1.Operating Plan Excavation will commence within 18 months after obtaining a permit and will terminate with total reclamation within 11 years, dependent upon demand for materials. Excavation occurs approximately 180 days in a year. Weather conditions and market factors can alter this approximation. Excavation activity typically occurs between March—October each year. Excavation will be limited to a weekly schedule of Monday—Friday, 6:00 a.m.to 6:00 p.m., except during periods of declared national, state, or county emergency or inclement weather. 2,3.Topsoil/Overburden Topsoil / Overburden is stripped, set aside temporarily, then replaced concurrent with excavation.. Excavation is by the open pit method commencing at the Southern end of Phase I, moving in a Northerly direction,. Excavation depths average zL25'. Overburden ranges in depth from 0' to ±151, with sand and gravel depths averaging from f7' to f10'. Equipment to be used at the project site consists of: ■ Scrapers/Dozers to remove overburden ■ Backhoe/Excavator to remove sand and gravel ■ Trucks to transport materials to the existing processing facility on the North side of the Mokelumne River. ■ Motor Grader and Scraper to level and contour site for final reclamation ■ Water Truck to spread water within project area for dust control