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The highest production rates for the site are as follows: <br />Commodity Annual Production <br />Rate Maximum Comments <br />Sand and Gravel 250,000 tons/yr Average will be less <br />Asphalt 150,000 tons/yr Average will be less <br />Concrete None There will be no concrete plant on site <br />4. MINING TIMETABLE <br />The following timetable is a best estimate of the sequence of operations for the life of the mine after <br />October of 2003 and is based on mining and selling 200,000 tons of total product per year (this is <br />}ess than the permit rates but are expected averages): <br />Task <br /># Description Time Needed <br />months <br />1 Construct ditch along west, north and east edges of staging area 0.25 <br />2 Construct sediment pond in north central par[ of disturbed area and place <br />berm around permit area. Take contaminated overburden offsi[e. 0.25 <br />3 Excavate Trenches #1 and #2. Take contaminated overburden offsite. <br />4 Strip clean overburden from Phase 1, place in staging area. 0.5 <br />5 Bring in portable crusher, screen plant, stackers, truck scale, scale house 0.5 <br />6 Mine Phase 1 (Approximately 13.7 acres). Place reject fines in pit for <br />slope backfilling. Backfill slopes to 3H:1V. 27 <br />7 Remove contaminated overburden from Phase 2 and place in offsite <br />treatment area. This can be done while Phase 1 is being mined. 0.0 <br />8 Allow water to fill Phase 1 lake and use as sediment pond. 0.5 <br />9 Mine Phase 2 (Approximately 10.9 acres). Place reject fines in pit for <br />slope bac)~lling. Backfill slopes to 3H:1V. 21 <br />Gilsonite Pi[ 5/03 15 <br />