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<br />• Plant Operations <br />Because oC the high clay content oC the gravel on the Conda-1`4cKay leases, the proposed <br />processing plant will utilize atwo-stage water scrubbing circuit combined with two-stage <br />crushing and screening [o produce clean, sized products. The plant will occupy a five to ten <br />acre site immediately to the east of the existing Spicer clay pit, linked to the existing N'AI <br />highway access by a 0.4 mi haul road. <br />Run-of-mine pit material will first be hauled by standard wheel tractor-scrapers to the <br />processing facility. Oversized material (+18" boulders) will be scalped off by a Clat grizzly and <br />stockpiled for sale as rip rap, while natural fines (-1/2") will be screened out and directed back <br />to the pit as backfill. Some of this material will be stockpiled on the west side oC the Spicer <br />Icase for sale as structural fill, and to serve as site berms. Approximately 80% of the clay <br />minerals will be eliminated at this stage, with [he remaining 20% carrying over into the <br />• crushing, washing, and screening process. The primary jaw crusher will reduce the gravel and <br />iced the first scrubber, which is a rotating water-Called drum that imparts a grinding and <br />scrubbing action to the gravel slurry. Clay and dirt are disintegrated and directed to the <br />settling; pond, while the coarse gravel is conveyed to the secondary crushing, screening, and <br />washing circuit. After re-scrubbing, the gravel undergoes final sizing, screening, and washing, <br />and is stockpiled according to customer requirements. <br />Future Settling Ponds <br />Integral to the gravel processing plan are [he fresh water storage and process water <br />settling; ponds. These will be constructed by partitioning the existing Spicer clay pit into a <br />fresh water pond of about three acres on the north end and a 4 acre settling pond to the south. <br />As previously discussed, the initial 18 acre parcel to be mined to the east of the Spicer pit in <br />. mining phase 1 will be reserved for use as future settling ponds once the initial pond has been <br />3 <br />