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MUD CREEK PIT, McSTONE AGGREGATES, FILE NO. M-2008-010 <br />ADDITIONAL INFORMATION AND PROCEDURES <br />ROAD CALCULATIONS <br />Half-road cross-section <br />Area of topsoil to be replaced (10') 15.8 SF <br />Area of subgrade needed 12.1 SF <br />Area of excess topsoil 6.3 SF <br />Calculation of road construction in the collide complex soils (10" topsoil, 19" upper subsoil, 31" lower subsoil). Limits: no excavation into lower subsoil, 3:1 slopes, <br />must have min. 18" topsoil and upper subsoil. For 24-foot road, creating a trapezoidal ditch with 1.58' deep, and 75 wide bottom, approximately 12 CF per linear <br />foot (444 CY11000 feet) of topsoil is available for use elsewhere, or to be stockpiled for reclamation if the road is temporary. <br />TABULATION OF SOILS DATA AND PROCEDURES <br />Soil Type 26 Collide 137 Ustorthents 134 Sideshow Handling and general notes <br />A horizon "top 0-10 inches 0-3 inches 0-3 inches Store and apply to areas in 3-10 inch thickness. May be mixed <br />soil" with upper B horizon but do not mix with lower B horizon or other <br /> __ weathered 'soil-like" material. <br />B horizon 10-29 inches 3-14 inches Not present Store and apply as necessary to provide minimum of 12 inches <br />(upper) of soil in non-irrigated and 18 inches of soil in irrigated areas. <br />B horizon 29-60 inches 14-36 inches Not present Use as backfill, usually after screening of cobbles. <br />lower) (calcareous) <br />Other likely Below 60 36-60 inches 3-60 inches (brown Use as backfill, usually after screening of cobbles. Mix with <br />"soil" materials inches _ _ __ clays _ other backfill material as suitable. <br />McStone Aggregates IA.C Mud Creek Pit M-2008-010 Miscellaneous Procedures Page I <br />Area of borrow (up to 29') 12.1 <br />i Area of basecourse W) 5.6 SF