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XXVIII. B BORROW AND STRUCTURAL BACKFILL <br />B. Additions: <br />B Borrow shall be used to raise the sidewalk in Divisions F. G, H, and I so that the <br />sidewalk elevation is six (6) inches above the elevation of the edge of existing roadway. <br />2. B Borrow shall be compacted using a plate compactor to achieve a soil compaction of <br />100% of maximum dry density. <br />3. Payment shall be made at the Unit Price specified in the Proposal as follows: <br />B BORROW .......... CY <br />XXIX. GRADING, TOPSOIL, AND SODDING <br />B. Additions <br />2. In Division I, the entire treelawn between the curb and sidewalk shall be scalped to a <br />depth of 2 inches. <br />3. Scalping shall include all brush and grass, and the task shall be deemed complete when <br />the native soil is free of all vegetation and other objectionable material. Scalping shall not <br />be paid for separately, but shall be incidental to the cost of grading, topsoil, and sodding. <br />4. Scalped areas of treelawns in Divisions F, G, and H shall be regraded to transition the <br />elevation of edge of pavement to the top of new sidewalk. In Division I, scalped areas <br />shall be regraded to match the elevations of the new curb and sidewalk. Topsoil shall be <br />provided to a depth of %" below the specified finished grade. <br />a. A pH testis required before topsoil is brought to site. <br />b. pH test results must demonstrate a pH level between 6.6 and 7.2. pH test results <br />shall be provide to the City of South Bend inspector. <br />c. Existing topsoil may be reused if deemed suitable by the engineer. <br />5. Scalped areas of treelawns in Divisions F, G, H, and I shall be sodded. <br />a. Fertilizer Turfgrass Sod: Certified 1 Quality/Premium, including limitations on thatch, <br />weeds, diseases, nematodes, and insects complying with TPI's "Specifications for <br />Turfgrass Sodding". Furnish viable sod of uniform density, color, texture, strongly <br />rooted, and capable of vigorous growth and development when planted. <br />b. Turfgrass Species: Sod of grass species as follows: with not less than 95% <br />germination, not less than 85% pure seed, and not more than 0.5% percent weed <br />seed: <br />Version 4/07/2015 Special Provisions -3 <br />