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-7 N"A 1'? SS <br />MA. CONCRETE CONSTRUCTION INC. T <br />2323 RIVER ROAD <br />P.O. BOX 1968 <br />GRAND JUNCTION, CO 81502 <br />(970) 243-3221 <br />February 2, 2010 <br />FEb 0 3 2010 ? <br />Travis Marshall GRAND , :4.'Lu OFFICE <br />Division Of Reclamation,Mining and Safety DI'V'ISIONN' OF <br />Grand Junction Field Office REG!Aa F?:.Oi i ;IIF9Itt;r SAFEI'Y <br />101 South 3rd Street <br />Room 301 04 <br />Z©p _ ©3S <br />Grand Junction, Co 81501 f <br />TECHNICAL REVISION REQUEST <br />Dear Travis <br />In regards to my inquiry (ie) discharge point. We need to add a discharge point to the west <br />-end at the of the project. As discussed the original discharge is at the upper east end of the <br />pit and will possibly work in the future. Also we should have 2 discharge points rather than one <br />=to accommodate mining as it progress to the east. This is also the low point on the pit and would <br />' be'the'best point for pumping to, and have proper gravity flow to the ditch <br />e p 06p e to build an detention pond at the NW corner of the project, and discharge to the <br />` sAilie• GVDD ditch as before. I have enclosed a drawing for your perusal. <br />Ifybu equire further information please give me a call @ 250-8050. <br />Sincerely <br />Jay L Ingelhart <br />Project Manager