10-23-2002 Council Agenda - Laserfiche WebLink

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Fill placed above the granular fill should be spread in 6 to 8-inch maximum loose lifts, and should be compacted to achieve at least 946 Maximum Modified Proctor Dry Density, A,SOT,M, D -1557. Al; the extreme south end of the building, wher-, buried organic soils do not exist below the Fill, the existing fill should be subcui: :3•'i to 4 feet, to a base elevation of 875', The exposed fill surface should then be thoroughly rolled and comp cted. Fill necessary to reach design floor level should be a approved, inorganic soil, free of any foreign material or debr }s. It should be spread in 6 to 8 -inch maximum loose lifts and should be compacted to achieve at least 94% Modified Proctor Dry Density, The building may then be supported upon conventional, relatively shallow spread footing foundations based on approve( compacted fill. The footings may be designed for a net allow- able soil bearing pressure of 2000 pounds per square foot. All perimeter footings must be a minimum of 3'z feet below outside finished grade for. Frost protection purposes. Continuous strip footings under bearing walls should be at least 22 inches wide, for practical reasons. Individual interi'r column footings if any, should be 30 inches in their minimum plan dimension. Up to 3' feet of existing fill and buried organic soils should be stripped and removed from the pavement areas. Fill necessary to reach design pavement grades should be spread in 6 to 8-inch maximum loose lifts and should be compacted to S JBT E ,RAN N T± �iyft:.i(NEE;RING INC. 1V11NNIfAPoLTS. MINN,