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9/2/2020 <br /> <br />31 20 00 EARTH MOVING Page 13 of 13 <br />1. Paved and Building Slab Areas: At subgrade and at each compacted fill and backfill layer, <br />at least one test for every 2000 sq. ft. or less of paved area or building slab but in no case <br />fewer than three tests. <br />2. Trench Backfill: At each compacted initial and final backfill layer, at least one test for <br />every 150 feet or less of trench length but no fewer than two tests. <br />G. When testing agency reports that subgrades, fills, or backfills have not achieved degree of <br />compaction specified, scarify and moisten or aerate, or remove and replace soil materials to depth <br />required; recompact and retest until specified compaction is obtained. <br />3.22 PROTECTION <br />A. Protecting Graded Areas: Protect newly graded areas from traffic, freezing, and erosion. Keep <br />free of trash and debris. <br />B. Repair and reestablish grades to specified tolerances where completed or partially completed <br />surfaces become eroded, rutted, settled, or where they lose compaction due to subsequent <br />construction operations or weather conditions. <br />1. Scarify or remove and replace soil material to depth as directed by Geotechnical Engineer; <br />reshape and re-compact. <br />C. Where settling occurs before Project correction period elapses, remove finished surfacing, <br />backfill with additional soil material, compact, and reconstruct surfacing. <br />1. Restore appearance, quality, and condition of finished surfacing to match adjacent work, <br />and eliminate evidence of restoration to greatest extent possible. <br />3.23 DISPOSAL OF SURPLUS AND WASTE MATERIALS <br />A. Remove surplus satisfactory soil and waste materials, including unsatisfactory soil, trash, and <br />debris, and legally dispose of them off Owner's property. <br />END OF SECTION 31 20 00 <br />DocuSign Envelope ID: 7D9ACD4F-8F6C-42B6-9ADB-C60032DB6D03