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J GEOTECHNICAL ENGINEERING STUDY <br /> Mr. Arthur Skotdal E-6225 <br /> _ c/o Dykeman Architects Page 5 <br /> July 27, 1933 <br /> This report has been prepared for specific application to this project only and in a manner <br /> consistent with that level of care and skill ordinarily exercised by other members of the <br /> profession currently practicing under similar conditions in this area for the exciusive use <br /> of The Pacific Institute and their representatives. No warranty, expressed or implied, is <br /> ^ made. This report, in its entirety, should be included in the project contract documents <br /> for the information of the contractor. <br /> , <br /> es o rs,,., ��d Gwner�l Earthwork <br /> � The building area should be stripped and cieared of all existing structures and foundations, <br /> rubble, and any other deleterious material. Stripped materials should not be mixed with <br /> any materials to be used as structural fill. However, brick, concrete, and asphalt rubble <br /> -• broken down to six inches in diameter or fess may be used as structural fill if approved <br /> and observed by ECI during placement. <br /> ` If abandoned utility pipes are encountered during construction, they should be plugged or <br /> removed so that they do not provide a conduit for groundwater seepage and cause sail <br /> saturation and stability problems. <br /> ' To achieve design subgrade elevations, excavations ranging from (11) to fourteen (14) <br /> feet deep will be required on the on the west side of the site, and fifteen (15► to <br /> i eighteen (18) feet on the east side of the site. It appears feasible to slope the propused <br /> excavation back, and temporary shoring will not be required. <br /> ) To echieve the proposed street grade parking area will require approximately ten (10) feet <br />� of structural fill placement. Therefore, excavated soil fram the building area can be used <br /> I as structural fill for the parking area, provided near optimum soil maisture levels can be <br /> maintained. To prevent the build up of�gro�uP ac ne an11 fi I tlf the slab sfnlot b okentup, <br /> = concrete slab should be broken up p ' 9 Y <br />,. ;, � groundwater infiltrating into the new fill may build up under the parking area over a long <br /> period. <br /> r,_ I <br /> , <br /> � <br /> I <br /> i <br /> Earth Consultants, Inc. <br /> l <br />