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C�pex geoscience inc. 6th SYreet � 24th Street Improvements Pavement, Paris, Texas <br />Geotechnical Pmement Evaluation Proposa! No. P1301-022 <br />SCOPE OF SERVICES <br />The subsurface investigation will be conducted to obtain data and develop recommendations <br />needed in the design and construction of a cost-effective pavement system. General site <br />development and earthwork recommendations will also be provided. <br />The subsurface investigation will include the following services: <br />• Sampling and <br />conditions on <br />pavement(s). <br />testing of the subsurface materials and observations of the groundwater <br />the site, to depths that would significantly affect or be affected by the <br />• Identification of the physical and engineering characteristics of subsurface materials <br />encountered during the sampling and testing. <br />Recommendations of the type or types of pavements, which would be suitable for the <br />proposed project, and presentation of data for use in pavement construction. <br />Borings and depth(s) — Based on the information provided, we propose to drill a total of seven <br />(7) borings for the �avements to an approximate depth of four (4) feet. Two (�2) borings will be <br />completed along 6 Street, and five (5) borings will be completed along 24t Street. Sampling <br />will be performed using a truck-mounted 5410 Geoprobe unit. <br />Boring layout and access - This proposal is based on Apex providing layout of the borings, with <br />all boring locations being readily accessible to truck-mounted Geoprobe equipment. (Special <br />assistance required providing access to the site during wet ground conditions, or for removal of <br />trees, brushing, or other obstacles will result in additional charges.) Boring layout will be <br />approximate. Traffic control is to be provided by the City of Paris or the Client. <br />Drilling and sampling - Drilling and sampling will be performed in accordance with generally- <br />accepted standard procedures including, but not limited to those prescribed by the American <br />Society for Testing and Materials (AST1V�. Thin-walled tube samples (ASTM D 1587) are <br />typically obtained in cohesive soils, whereas split-barrel samples (ASTM D 1586) are obtained <br />in granular soils, miscellaneous fills, weathered bedrock, or other hard materials. Samples will be <br />collected continuously from the top of paving to a termination depth approximately four (4) feet <br />below top of pavement. <br />Laboratory testing - The subsurface investigation will include laboratory testing of the samples <br />obtained to evaluate the classification, strength, compressibility, expansive nature, and other <br />characteristics of the subsurface materials involved. Testing wi11 be conducted in accordance <br />with genera.11y accepted standard procedures including, but not limited to those prescribed by <br />ASTM standards. Unconfined compression, unit weight, hand penetrometer, and water content <br />tests will typically be performed on representative portions of thin-walled tube samples. The <br />latter two tests may also be conducted on split-ba.rrel samples. Atterberg limits and percent <br />passing the number 200 sieve tests will also be performed on designated representative samples <br />of subsurface soils. Other tests may be assigned as deemed appropriate by the geotechnical <br />engineer. <br />Page 2 <br />