Laserfiche WebLink
<br />fill !!7, Junc 12, 20(11 <br />I'agc 2 <br />RILL PLACEMENT <br />CUMG regulations require that spoil be "placed in horizontal IiILs in a controlled manner, concurreully <br />compacted as necessary to ensure mass stability". Maximum till Thicknesses arc not specilicd. As indicated <br />by previous inspection reports, lilts were placed in aceordance with plans spccilied by Cl l,'I'hongtson. <br />Spoil material was transported to the fill area using a combination oCtrucks and dozers. Leff thicknesses of <br />up to 50' were placed within the area removed from the fill face by more Than S(1 fl. Thinner tills of fi-R II. <br />with leveling and compaclive effort supplied by dozers and Oucl<s was uliliud as lilt placement advances w <br />within fifty feel of the slope face. No fill placenlenl occurred during This qumier. <br />COVER MA'fE121AL <br />As documented by previous inspection reports, cover placement, scaling and unllching ncuuled during the <br />second quarter 2002 During the first quarter 2004 topsoil was transported to Ibe upper-most pot lion of tlrc <br />fill area lying between the area seeded in 2002 and the lateral ditch placed al the upper perinlefer of fill 7. <br />This area was being seeded at the time of this inspection. Seed ccllilicate is attached. <br />S'f12UCTUKAL INTECRI'I'Y <br />'fhe entire excess spoil fill facility was examined Ibr signs of I;lilure and instability such as Icnsion clacl<s, <br />ground moventcnl, springs mtd seeps, and sLuxling water. Nu indication of"potential instability tv;rs <br />observed. <br />DOCUMENTATION AND O"1'IIfR OIISERVA'I'IONS <br />Seasonal precipitation resulted in germination of the seed-mix broadcasted during the Third quarter 20f11.. <br />Vegetation density is improving and appears In be wide-spread ocross the till area. No signilicanf erosion <br />was noted. 6slablished drainage appears ht be functioning as dasigned. <br />CERTIRICA'f1ON <br />Inspection was conducted by Ronald G.'fhumpson, ^ yualilicd piolissioual and MSIIA eel lilted inspector <br />ofeatth and rock-fill embankments and impoundments, under the direction of fv~(r. ('h:vies ~9c(ilulftlin, a <br />registered professional engineer licensed in the Stale ol'Col~rado. <br />This is to certily, to the best of my knowledge and belief, that fill No. 7 cnnsl ruction and plaa•menf, ns <br />noted since the previous certification and as determined during Ibis inspection :vul by discussions with mine <br />personnel, is in accordance with designs as proposed by C'1'I, 'I~hungison in Ihcir Icpoit dad ed my it 27 and <br />amended July 27, 2001 and as approved by the Division of tvgincrds and (icologv- <br />-~° ~ - <br />Ronald G. 'Phonytson <br />Inspector <br />G, <br />('lim-Ica W. McGlulhlm jf ; <br />IYolcssiunal I?nginccr ' <br />t <br />i~iE~ ~'~i% ), <br />