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_~ <br />tort' k Evaluation <br />Joe Craig <br />Pioneer Sand Company _ Pit <br />5000 N, F'ark Drive <br />Colorado Springs, CO 80907 <br />599-8100 <br />NW1/4 sec. 22, T1TS, R6$ld 1 <br />EROSION CONTROL: <br /> <br />1,) Grading operations should be limited to areas which will be developed <br />immediately, Areas which will not be mined until a later date should <br />be left in its native condition, <br />2,) Se2iment from construction operations should not be a]lowed to leave <br />the site, <br />3,) Dust should be controlled by eprinklin~ during construction operations. <br />!~,) All disturbed areas should be reseeded to native vegetation or other- <br />wi:ae protected. <br />5.) Slopes should be graded 3:1 or flatter for ease of establishment, <br />CRITICAL AREA TRP,ATIr.F~Tl7.': <br />Seedbed Preparation - <br />1,) Remove all rocks, trash, and other debris that will interfere with seed- <br />ing, site utilization and maintenance. <br />2,) Till the ground•to a depth of !~ to 6 incher„ If the seedbed is prepared <br />icmiediate].y following construction, this operation can usually be omitted, <br />except on fresh cut areas that have not otherwise Deen disturbed, <br />3,) Apply fertilizer: !~0 pounds Total Nitrogen/Acre <br />1~0 pounds Available Phosphate/Acre <br />4.) Stockpile top soil to use later on areas that will be reseeded. The minimum <br />depth for topsoil shall be at least j inches. <br />Seed & Seeding - Methods - <br />1.) Drills <br />F~roper seeding equipment should be used on critical areas. A grass drill <br />i.a recommended, The drill should be equipped with a satisfactory feeding <br />mechanism, agitator, double disk Furrow openers and packer wheels. <br />2,) liydraulic Equipment <br />!Chia is an acceptable method bait should ordinarily be restricted to areas <br />:inaccessible to drills, If hydromulch is to be applied, the seed should <br />'oe applied in a separate operation prior to mulching, <br />