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NORTHWEST COLORADO CONSULTANTS, INC. <br />Project: Haul Road Y-8 <br />Location: Hayden, Colorado <br />Client: Seneca Coal Company <br />Project No.: 95-2384 <br />Report No.: 79 <br />Date: 8/8/96 <br />Time: 5.5 <br />Mileage: 76 <br />EngrJTech: JK <br /> <br /> <br />Work Performed: <br />As reouested. we visited the proleci site twice on this date to conduct nuclear density tests No.'s 159 through 165 <br />on the matenal being placed. Excavation crews placed. moistened, and compacted on-site borrow material for the <br />dam embankment fills for Pond 010 adjacent to Haul Road Y-B. <br />We obtained two samples. No.'s 11 and 12, of on-site material for Stanaard Proctor and classification testing. We <br />also obtained hvo samples for unconfined stress versus strain analysis. <br />Remarks: <br />The material tested generally met project specifications. Compaction ranged from 96% to 97% and moisture <br />con[ents ranged from 2.3°r6 to 4.5 % below optimum. Crews were advised to further mtx in moisture as matenal is <br />processed for compac;ton to avoid "tenstng" of moisture in material. <br />Please refer to the artached sheet for results of today's testtng. <br />Verbal Discussions: <br />Chuck McCulloh, of Seneca Coal Company, was notified of today's test results. <br />• <br />