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.. <br />k E4raluation <br />Jue'Gxaig <br />PSbn4er Sassd Company <br />$OQ@ ~a~:` Park ]hive <br />Colo~adp S;pringe, CO <br />- Pit ; <br />80907 <br />NW1/1~~ Seo. 22, T17S, R6541 <br />;l <br />EIiE3$ION CANTROL s <br />1,) Gradiag operations should be limited to areas whiah will be'@eveloped <br />immediately. Areas which will not be mined until a later date should <br />be left in ~.ts native condition. <br />2,) Sediment from construction operations should not be allowed to leave <br />the site. <br />3.,) Auet should be controlled by eprinklirig~during ogssetruction operations: <br />~..~. All disturbed areas should be reseeded to native vegetation or o,ther- <br />• •wiee protected. <br />~.),,6lopea should be graded j:1 or flatter for ease of establiehsaent,; <br />CRITTCI'L AREA T&F~ATMENT: <br />Seedbed Preparation - <br />1.)'Rem.ove all rocks, trash, and other debris that will interfere with seed= <br />ing, site utilization end maintenance. <br />2.) Ti).1 the ground•to a depth of ~ to 6 inchec. If the seedbed is prepared <br />immefllately following construction, t1sl.s operation can usually be o>gitted, • <br />except on fresh out areas that have not otherwisie been dieturb.ed, , <br />j.,) Apply Fertilizer: ly0 pounds Total Nitrogen/Acre <br />1~0 pounds Availabl-o Phosphate/Acre ' <br />1~:) Stockpile top soil to use later oa areas that will be reseeded.. The minimum <br />depth for topsoil shall be at least 3 inches. <br />Seed d: Seeding - Methods - <br />1.) In~i 1 e <br /> <br />P;coper; seeding equipment should be used on critical areas. A grass drill <br />is recommended, The drill should be equipped with e. eatisfsatory Seeding <br />mechanism, agitator, double disk furrpw openers and packer wheels. <br />2..) Hydraulic Equipment <br />4'his ie an acceptable method bnt should ordinarily be restricted to. areas <br />i.nacceseible to drills, If hydromulch ie to be applied, the need should <br />tie applied in a separate operation prior to mul'ahing, <br /> <br />