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CITY OF SANTA ANA <br />Planning and Building Agency <br />construction phase of the project. This is to verify the compliance w <br />specifications and/or recommendations, and to allow design changes in <br />subsurface conditions differ from those anticipated. <br />Geotechnical observation/testing can be performed at the following stages: <br />Approved <br />W%V4g,MIT ISSUANCE <br />event that <br />Master ID: <br />Date: <br />■ During ANY grading operations, including excavation, removal, filling and <br />backfilling, etc. <br />■ During and after excavation for footings to verify the adequacy of underlying <br />materials. <br />■ After pre -saturation of slab subgrade earth materials, if any, prior to pouring <br />concrete. <br />■ After compaction of subgrade soils and/or aggregate base for exterior slabs and or <br />driveway, if any. <br />■ During backfill of drainage and utility line trenches, if any, to verify proper <br />compaction. <br />■ When/If any unusual geotechnical conditions are encountered. <br />Note: If Geotechnical International is not provided the opportunity to perform the <br />geotechnical observation/testing during the construction phase, Geotechnical <br />International will take no responsibility for the conclusions and recommendations <br />contained in our report in the event that subsurface conditions differ from those <br />interpreted and anticipated during our preliminary investigation phase prior to the start of <br />construction. <br />Page 10 <br />