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Post investigation service -are an* important and -necessary continuation of this investigations, and it <br />is recommended that SECOR be retained as the project soils engineer to perform such services. <br />Final project grading and foundation plans, foundation details and specifications should be <br />reviewed by this office prior to construction to confirm that the full intent of the recommendations <br />presented herein have been applied to the designs. Following review of plans and specifications, <br />sufficient and timely observation during construction should be performed to correlate the findings <br />of this investigation with the actual subsurface conditions exposed during construction. <br />The following items of construction should be observed and tested as necessary to ensure <br />compliance with the recommendations contained herein. <br />(a) Rough site grading, including the bottom of subexcavations; <br />(b) Footing excavations to confirm that the foundation elements are founded in the <br />recommended materials; <br />(c) Utility trench backfill; <br />(d) Subgrade preparation and base placement and compaction; and <br />(e) All other items of work requiring an opinion of adequacy from the geotechnical engineer to <br />be included in a final geotechnical report. <br />A "Geotechnical/Construction Inspection Schedule" check list of various grading tasks and <br />milestones requiring inspection and reporting is included as Appendix D. This checklist must be <br />completed and signed by the contractor and presented with the necessary grading report submittals <br />to the ARCO Project Engineer at the end of the job. It should be noted that this checklist may not <br />contain all items of work by the controlling governmental agencies to be observed and/or tested by <br />a representative of the project geotechnical engineer. <br />During construction, the geotechnical engineer, engineering geologist and/or their authorized <br />representatives, are present at the site to provide a source of advice to the client regarding the <br />geotechnical aspects of the project and to observe and test the earthwork performed. Their <br />presence should not be construed as an acceptance of responsibility for the performance of the <br />completed work since it is the sole responsibility of the contractor performing the work to ensure <br />that it complies with all applicable plans, specifications, ordinances, etc. <br />JN 40007.095-01 <br />ftVnswN97-06jun\avcneo.dm <br />6-8 <br />