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Wayzata Country Club <br /> Project BL-08-03640 <br /> September 29, 2008 <br /> Page 9 <br /> Equivalent Fluid Pressures(pcf/ft)* <br /> At Rest Active Passive <br /> Unit Friction (Ko) (KA) (Kr) <br /> Weight Angle <br /> Soil Type (pcf)** (4)) Wet Submerged Wet Submerged Wet Submerged <br /> Peat <br /> (organic soil) 85 10 70 20 60 15 120 40 <br /> * pcf=pounds per cubic foot <br /> ** Submerged unit weight is determined by reducing value by 62. <br /> D.4. Construction Quality Control <br /> D.4.a. Excavation Observations and Testing <br /> We recommend having a geotechnical engineer observe all excavations related to subgrade preparation. <br /> The purpose of the observations is to evaluate the competence of the geologic materials exposed in the <br /> excavations. We recommend density tests be taken in excavation backfill and additional required fill <br /> placed for the surcharge. <br /> D.4.b. Surcharge Observations <br /> We recommend that the surcharge placement, including installation of the geotextile, be observed by the <br /> engineer to document that surcharge is properly constructed. <br /> D.4.c. Cold Weather Precautions <br /> If site grading and construction is anticipated during cold weather,all snow and ice should be removed <br /> from cut and fill areas prior to additional grading. No fill should be placed on frozen subgrades. No frozen <br /> soils should be used as fill. <br /> E. Procedures <br /> E.1. Exploratory Borings <br /> E.1.a. Penetration Test Borings <br /> The penetration test borings were drilled with a flotation-tired, all-terrain core and auger drill equipped <br /> with hollow-stem auger. The borings were performed in accordance with ASTM D 1586. Penetration test <br /> samples were taken at 2 1/2-or 5-foot intervals. Actual sample intervals and corresponding depths are <br /> BRAUN <br /> INTERTEC <br />