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VL1 -11 -7:7 IVC YJ4 m-aa r-11 1'VV IrlAL-L- G141AlnGmmLIYU LY,� -�V • aan.++• • c..� <br /> FOOTHILL <br /> F•�,TGIi�TEERT�T� <br /> 12793 PADDY+CREeK VAME LORI, CA 95240 <br /> FAX(204)367-1 163 <br /> M.. Fritz Baker October 17, 1995 <br /> Holt Bros.Inc. <br /> P.O.Bozo 8130 <br /> Stockton, CA 95208-0106 <br /> FAX 457-4658 <br /> RE: Proposal for Backfill of over Excavation Holt Bros.Project <br /> Dear Mr. Baker, <br /> We have located two sources of imported borrow material for your project, and they are each <br /> described below. <br /> ALLEN VALLEY LOAD <br /> The Allen Valley Loam deposit(a cormnercial material source)is located about six miles east of Lodi, <br /> California offPeltier Road. The soil is a Clayey silt,ML, (Unified Soil Classification System)of low <br /> permeability and well suited for the below ground water portion of the project_ <br /> Liquid Limit +/-30 <br /> Plastic Index +/- 10 <br /> Passing-200 Grain Size Percent 40 to 50 <br /> Price delivered to the project $12.00/CY in place measurement <br /> ROBERTS ISLAND-FORT OF STOCKTON <br /> The Port of Stockton deposit is dredge sand spoil Prow the Stockton Channel, and is a Silty-sand <br /> (Unified Soil Classifications System.)of high permeability. The dredge sand deposit is well suited for <br /> fill material above the natural,ground water table and an excellent foundation material for any future <br /> building site. <br /> Price delivered to the project $10.00/CX in place measurement <br /> THE EXCAVATION BACKML PROPOSAL <br /> Football Enpneering proposes to backfill the excavation to a depth of 20 feet from the surface with <br /> the imported borrow from the Allen Valley Loam source. This would place a material very similar <br /> in permeability to the original excavated sail below the ground water table. <br />