Laserfiche WebLink
FML, Inc. <br />STS Project 93589 <br />August 28, 1985 <br />-� -15- <br />should be compacted to at least 95 percent of the maximum Modified <br />Proctor dry density. In the areas where utilities underlie pave- <br />ment surfaces, backfill overlying utilities must be filled and <br />compacted in accordance with the constraints noted for fill place- <br />ment for pavement design. In other areas, fill overlying the <br />® utilities should be properly placed and compacted to at least 90 <br />■ percent of the Modified Proctor dry density. Utility ' <br />P Y y l y lines in the <br />existing fill area should be provided with flexible joints to allow <br />for some differential movement, and sufficient gradient to allow <br />flow to sewer systems, should some minor differential settlement <br />occur. <br />CONSTRUCTION CONSIDERATIONS <br />Within the natural soil areas of this site we do not anticipate <br />difficulties during excavation or construction due to round water .� g g <br />seepage or rainwater accumulation, rather the fine sand subsoils <br />should allow relatively rapid infil,:ration of,rainwater. In the <br />existing fill area, subsoil conditions are variable and some <br />parched water conditions may be encountered durinc excavation. It <br />is our opinion that these conditions would be limited and could be <br />controlled with a standard sump pit and pump operation. Any <br />softened or loosened soils at the base of excavations should also <br />be removed prior to the placement of any structural fill or founda- <br />tions. <br />The sidewalls of any excavation must be adequately sloped or <br />R <br />sheeted and braced in order to provide adequate stability. This <br />must be carried out in accordance with pertinent OSHA regulations <br />in order to provide maximum safety of the personnel working in the <br />excavation. It is solely the responsibility of the contractor to <br />Make such provisions for personnel safety. <br />C� <br />