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Sl"INET STL Project No. 0010771 7 san Labs Appendix B Page B.2 The Contractor shall make his own interpretation of the data contained in said report, and the Contractor shall not be relieved of liability under the contractor for any loss sustained as a result of any variance between conditions indicated by or deduced from said report and the actual conditions encountered during the progress of the work. DUST CONTROL: The work includes dust control as required for the alleviation or prevention of any dust nuisance on or about the site or the borrow area, or off-site if caused by the Contractor's operation either during the performance of the earthwork or resulting from the conditions in which the Contractor leaves the site. The Contractor shall assume all liability, including court costs of codefendants, for all claims related to dust or windblown materials attributable to his work. �. SITE PREPARATION Site preparation shall consist of site clearing and grubbing and the preparations of foundation materials for receiving fill. CLEARING AND GRUBBING: The Contractor shall accept the site in this present condition and shall demolish and/or remove from the area of designated project, earthwork all structures, both surface and subsurface, trees, brush, roots, debris, organic matter, and all other matter determined by the Soils Engineer to be deleterious. Such materials shall become the property of the Contractor and shall be removed from the site. Tree root systems in proposed building areas should be removed to a minimum depth of three (3.0) feet and to such a extent which would permit removal of all roots larger than one (1) inch. Tree root removed in parking areas may be limited to the upper one and one-half(1%) feet of the ground surface. Backfill or tree root excavation should not be permitted until all exposed surfaces have been inspected and the Soils Engineer is present for the proper control of backfill placement and compaction. Burning ` in areas that are to receive fill materials shall not be permitted. SUBGRADE PREPARATION: Surfaces to receive Engineered Fill, building or slab loads shall be ` prepared as outlined above, scarified to a depth of six (6) inches, moisture-conditioned as necessary, and compacted to 90% relative compaction. Loose and/or areas of disturbed soils shall be moisture conditioned and compacted to 90% relative compaction. All ruts, hummocks, or other uneven surface features shall be removed by surface grading prior to placement of any fill material. All areas that are to receive fill materials shall be .. approved by the Soils Engineer prior to the placement of any of the fill material. EXCAVATION: All excavation shall be accomplished to the tolerance normally defined by the Civil Engineer as shown on the project grading plans. All over excavation below the grades specified shall be backfilled at the Contractor's expense and shall be compacted in accordance with the applicable technical requirements. FILL AND BACKFILL MATERIAL: No material shall be moved or compacted without the presence of the Soils Engineer. Material from the required site excavation may be utilized for construction site fills provided prior approval is given by the Soils Engineer. All materials utilized for constructing site fills shall be free from vegetable or other deleterious matter as determined by the Soils Engineer. 1417 No.Market Blvd.,Suite 1 • Sacramento,CA 95834 • (916)568-5858 • Fax: (916)568-5813