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When possible, equipment sh.~ stored near, oral, the highest elevation of the s~
<br />14auling through live streams will be limited w tour limes per day. If additional crossings arenecded then a drainage suireture over the
<br />stream will he bush. Such srruaures u+uld include clean gravel or riprap, or culverts. The type of suuctwc rcill be selected based on
<br />anticipated amount of r~chiule u:e, eann:ncd peak Ilow, Omv duration, and Ilorv velocity.
<br />Pollutant by-produw of pit opa arsons, sohds, sludges, pollutants removed in the course of escav:won, and mates tat liom sediment traps
<br />shall be handled, stockpiled, and disposed of m a manner that prevents entry into any state water,, within or outside the material pit
<br />boundaries.
<br />77te useofchanicals such as soil stabilizers, dull palliatives, herbicides, growth inhibitors, fertilizers, deicing salts, etc, during material
<br />pit operation shall be N accordance with the rttartufacltae~s recommrnded application rates, frequency and insWCtions 'I~hesc chemicals
<br />shall not be used, stored or stockpiled within 50 feet of the ordinary high water Fire of any state waters. Spill prcvr:ntion and containment
<br />measures shall be used al all stoi age sites within the material pit boundaries to prevent the pollution of any state waters.
<br />Conswcuon waste or .:dyable material, c~cavalion escess material, fill maerial, consuarction equipment, Cucls, lubricants, and other
<br />petroleum distillates shall not he stored or stockpiled within S(1 CeU oC the ordinary high water line oC any state n•atcrs Equipment
<br />servicing shall occur within designatul areas Spill prevrntion and wnlainmrnt measures shall be u,ed at all storage sites. Fuel shall
<br />ba stored ir above ground tanks whose IOCBUOn shall not be within 50 fcet of the ordinan high u•atcr line of any state rvatcrs. Polrnlial
<br />spills from the fuel storage tank shall be contained to an e~cavatcd arm, by a berm surrounding the tank, or by another measure. Minimum
<br />storage volume for the containment nteasurc shall excetd the tank's volume. Il infiltration into the Knl ol~ the spilled fuel might occur
<br />within the containment structure, then the snit shall I>z lined with an impcn•ious genmembranc or another ripe of rmpcn~ious lining.
<br />Required dewarenng shall be conducted in a manner that avoids prtllunon and erosion. Water Imm dcrvatering opcratons shall not be
<br />discJtarged into any slate wale s, or into storm drains, unless allrnved by a point source discharge permit. Discharge into sanitary sewers
<br />shall not be allowed tmlecs rmiurn pcimisnxt of the owma~ or controlling authority is oblainai. The water li~om the dcrr atcring operations
<br />shall be contained m basins lot divipation M- infiltration or evaporation, shall be hauled away Gum the material pit for disposal in
<br />aorordartce with appbcable lain. and regulation:, of shall Lx: applied to approved non-rvelland vegetated areas and allowai to soak into
<br />the soil. Sprinkler or aerial application shall rid be allowed unless approved by the Enginwr; this ty~r: of application shall never be used
<br />on wetlands. Depending on the quality of the water, application of water to vegetated areas mac require written concurrence from the
<br />CDPHE. The material pn operator shall accerain the water quality, and when applicable, per the CDPI ms's regulations, obtain the
<br />necessary concurrences
<br />G.3 Eosion Contml
<br />All surface areas of erodible earth material which arc caused by the mining activity and where the activity will not occur for a period of
<br />60 or more calendar days shall he stahil¢ed within 19 calendar days Following is a list of temporary and pcrnanem erosion control
<br />fwtures that were evaluated for u.a; at the mate sal pit. Features marked are those chosen to be implemented at the material pit.
<br />^ Channel lining ^ Scilinxni u;yrJlruins .~ Berm. ^ Emson bales
<br />^ Diversion, ^ tieeding ^ Silt fence ^ Outlet protcchon
<br />^ Erosion control blanl:els
<br />^ Uthcr
<br />Additmnal commenu. HOST OF 7HF ~T Df>.>=p SVR(LOVA7vEa ~Y 8Et2ns. No AbD1TlDA-1SC
<br />GOlJTI'LOLS D2E REqufn.ea
<br />Design and con~r»cuon of the urnion ronuol li:.vur~ fisted aMve shall Ix: in accordance with CDOI". Lro>ton Control and Sloimwater
<br />Quality Guide "
<br />$lrnmwater conunls dcsa d,.d and heed abut c arc applicable a5 loop ai the reclamation plan Iix thi. pit a. apps rn ed he the Division
<br />of Minerals and <ieoluE~~ (DMG). ho. ntn h<ar implemcmcd Once intplenxnicd, the DM(. approved reclamaton plan shall be
<br />considered m be the SWMI' tix tht. pu and shalt .wpcrcede all stoimwata controls described ;shorn
<br />Poor to the removal of mateial hum tIDC aloe covered by overburden, Use top poi lion of the oyes bw den shall he snipped and stockpiled
<br />The stocF:piled overburden will he ioduu shored uniformly, ova areas where mining has been completed. prior io ph reclamation. All
<br />areas covered ranh such overbm den will he seeded, liatd¢ed, and mulched in~accordance rvtlh the DMG approved reclamation plan
<br />6A Evaluation for Nun-S4+rnrrvatcr
<br />This site ryas visually evaluated for the presence of non-stoimo-atcr di>charpcs Such discharges ^ did csisi ~ did not ewst
<br />./?i/9?
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