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<br />'-' <br /> <br />Earth Mechanics;1nc. <br /> <br />~ <br /> <br />GCCi'("chni~:dl & EarthOJCike Engineering <br /> <br />April 6, 2005 <br /> <br />EMI Proposal No. P05-023 <br /> <br />W. Koo and Associates, a Division ofPBS&J <br />600 The City Parkway West, Suite 310 <br />Orange, California 92868 <br /> <br />Attention: <br /> <br />Mr. Dan Weddell <br /> <br />Subject: <br /> <br />Proposal for Geotechnical Construction Support Services <br />First Street and Fifth Street Bridges Crossing Santu Ana River <br />Santa Ana, California <br /> <br />Dear Mr. Weddell: <br /> <br />Earth Mechanics, Inc. (EMI) is pleased to support you by providing geotechnical services during <br />foundation pile driving at the subject bridge sites. Based on the discussions with you, EMI will observe <br />pile driving operation including compiling a record of the hammer blowcounts and comparing these <br />blowcounts with the axial demand and acceptance criteria shown on the contract plans and specifications, <br />respectively. Since the axial demand on the Fifth Street pilings is zero because the pilings were designed <br />for lateral loading only, our services would be limited to the First Street bridge. <br /> <br />Shortly after completion of the pile driving, EMI can provide a letter report summarizing the results of <br />our field observations. EMI will provide services during construction on a time and materials basis. Our <br />Year 2005 fee schedule is attached for reference. <br /> <br />We have developed the following manhour and cost breakdown for estimating purposes: <br /> <br />Senior Technician (24 days @ 8 hours per day@ $95 per hour). ....................................................$18,240 <br />Senior Engineer (10 hours@$120per hour) .................................................................................... 1,200 <br /> <br />Mileage ............................................................................................................................................... 100 <br />TOTAL ......................................................................................................................... .............. ........$19,540 <br />.4-hour minimum per site visit <br /> <br />If you have any questions or require additional information please feel free to call me. We appreciate the <br />opportunity to be of assistance. <br /> <br />Sincerely, <br />EARTH MECHANICS, INC. <br /> <br />L~ <br /> <br />Project Manager <br /> <br />Encl. <br /> <br />17660 Newhope Street, Suite E, Fountain Valley, California 92708 Tel: (714) 751-3826 Fax: (714) 751-3928 <br /> <br />EXHIBIT A 2 <br />