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• <br />Mileage: 1 hound <br />I~r..ih <br />PROJfiCT: Sencc.a Pond OOG DA9'li: 10/2/>3J <br />LOCATION: Approx. 7' South of I[avden, CO. TIMI?: 1.0 hour:: <br />CLIfiNT: Peabody Coal Co. ENGR./TFiCIINICIe1N: S.Th1 <br />WORR PBRFORMF,I): <br />Seneca Mine had placed and compacted on site clay <br />to the top of the Keyway fob the dam embanknn-nt. <br />We conducted nuclear density tests in three lncalions <br />along the Keyway fill area. <br />RBMARRS: <br />All tests conducted today met or exceeded the <br />specification compaction requirements. Moisture content of <br />the fill tested 9%6 to G^s below optimum. We su<<l;est. t he <br />material he scarified 6 to 3 inches and wetted prior to <br />placing the next lift. <br />Please refer to the attached Nuclear Den~.ity wurkc;he,~l <br />for details on today's testing. <br />VBRDAL DISCUSSIONS: <br />All of the above information was relayed to John March, <br />~ ... the 2nd shift Supervisor, at the site. Due to a.delay caused <br />;;=~by difficult removal of soft material at the bottom of the <br />";2~;~pond, we will be called when fill placement continues. .° <br />',•,i a . <br />t` <br />• <br />Itltl'OR'P NO.: :' ~ <br />