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Bdm. re eammem m the npeeCm 'rhe rnvmmn elude s.cm.on o[ obwtioys~de a,.:,y dr Co®em d.o de~nbe eay <br />enfvicemmt urSm~ rira duce tls iuyeemn eod dr ficu a e.idaee ngporoe~~s®mt afore <br />to the mine site That were real on the original pion. One is under the haul road at station 84+00 and a <br />second is older the new fight use road entry, just northeast of haul road station 84+75. Both are 18 <br />inches in dameter. The 1Nrd culvert was Instated fn place of ttre upper section of ditch x828, and Is <br />181nches In dameter. These three adverts need to be added to the approved plan. No work has <br />been on the gob plb yet. Map 21-1 needs to be changed to show that, In the Held, rtprap does not <br />adend as far down the slope rxar the outlet of pert GC10 as Is depicted on the map. Culvert G <br />89 needs to be repaired since ltrc culvert was cut when the vraterine trench was dug ur-derneath it. <br />Flnaiy, the rodr drain on the portal bench needs to be cbrrrected to the lower drains and culverts <br />soon. This is Important so that grandwater won't bsdr up against the former side area to the east. <br />The crlverts that have been installed at tfie mine site were checked for corrQfiance with the mirrinMdrr <br />crrrvert dameter. The folowing table Ysts the resrrks of tGs inspection. <br />CULVERT MML DIAMETER REQUIRED DIAMETER W FlELD <br />G82 24" 24' <br />GB3 12" 12• <br />G84 24" 24" <br />G88 12' 18' <br />GB7 1r 18• <br />G88 1 r 19• <br />GB9 12" 18" <br />GB70 12" 18' <br />G811 18" 18" <br />GB14 18" 24" <br />GB18 12' 18" <br />C-C8 38" 38" <br />GC7 12" 18" <br />C-08 38" 38" <br />GC8 38" 38" <br />GC10 12" 18" <br />new haul road culvert need designs 18' <br />new Ight use road aravert need designs 1 B" <br />new crivert in aB28 need deal 18" <br />~a~ <br />