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r r <br /> k'q K L E 1 NFEL O ER <br /> GEOTECHNICAL SERVICES REPORT <br /> . PROPOSED COUNTRY CLUB SEWER TRUNK—PHASE I <br /> STOCKTON. CALIFORNIA <br /> 1 INTRODUCTION <br /> In this report we present the results of our geotechnical services performed for the proposed <br /> Country Club Sewer Trunk — Phase I to be located in Stockton California The site location <br /> relative to existing streets is shown on Plate 1 <br /> We understand that design of the proposed project is currently underway and final details are <br /> not available as of this writing On a preliminary basis, we understand that about 8,700 linear <br /> feet of sanitary sewer pipeline, ranging in size from 48 to 15 inches in diameter, will be placed <br /> below Pershing Avenue, Country Club Boulevard, and Mission and Plymouth Roads We <br /> anticipate that utility trenching will be less than 25 feet in depth Furthermore, we understand <br /> the pipeline will be hacked or bored below Interstate 5 and hacking pits will be less than 30 feet <br /> in depth <br /> A plot plan showing the proposed sewer trunk layout is presented on Plate 1 In the event these <br /> details are inconsistent with the final design criteria, our firm should be contacted prior to final <br /> design in order that we may update our recommendations as needed <br /> 2 PURPOSE AND SCOPE OF SERVICES <br /> The purpose of our services was to explore and evaluate the subsurface conditions at vinous <br /> locations on the site in order to develop recommendations related to the geotechnical aspects of <br /> project design and construction <br /> The scope of our services was outlined in our proposal dated February 26, 2002 (File No <br /> 2002P045) and included the following <br /> • A review of previous geotechnical investigations performed by Kleinfelder <br /> adjacent or near the proposed pipeline alignments <br /> • A visual site reconnaissance to investigate the surface conditions at the project site, <br /> • A field investigation that consisted of drilling six borings within the area of the <br /> proposed pipeline to explore the subsurface conditions at the protect site, <br /> • Laboratory testing of representative samples obtained dunnL, the field investigation <br /> to evaluate relevant phvsical and engineenng parameters of the subsurface soils, <br /> • E-�aluation of the data obtained and an engineering analysis to develop our <br /> • geotechnical conclusions ani recornniendaiions <br /> X3629 G01/2002R269 <br /> aril 19 '_002 <br /> 03003 KIeinrelder Inc °gee ! of 16 <br />