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D. Subsoil Excavation - Any excavation below the proposed bottom elevation of the select <br />fill, isolated swale bottom locations, isolated locations for pipe installations and as <br />approved by the engineer shall be paid for as subsoil excavation. Approximately 2.0 ft <br />of subsoil excavation is required in sublateral canals. Cost of replacement <br />embankment shall be included in cost of subsoil excavation. Contractor to coordinate <br />with county representative prior to any subsoil excavation. <br />E. Embankment - General Requirements for Embankment Materials: The following is <br />added after the first paragraph of Subarticle 120-7.2: <br />Roadway Design Standard Index No. 505, Embankment Utilization Details is modified <br />by the addition of the following: <br />Any stratum or stockpile or soil which contains obvious pockets of highly organic <br />material may be designated as muck or unsuitable for construction of subgrade by the <br />Owner. <br />Backfill material containing more than 2.0% by weight of organic material, as <br />determined by FM 1-T 267 and by averaging the test results for three randomly <br />selected samples from each stratum or stockpile of a particular material, shall not be <br />used in construction of the reinforced volume. If an individual test value of the three <br />samples exceeds 3.0%, the stratum or stockpile will not be suitable for construction of <br />the reinforced volume. <br />No A-8 material permitted in embankment. <br />F. Payment shall be made under: <br />Bid Item No. 120-1 Grading, Excavation and Embankment - Per Square Yard <br />SECTION — 120-2 BORROW EXCAVATION (ASPHALT MILLINGS) <br />Description — borrow Excavation consists of the excavation and utilization of material from <br />authorized borrow pits, including only material that is suitable for the construction of <br />roadway embankments or of other embankments covered by the contract. Borrow material <br />used in this project is to consist of asphalt millings. <br />Bid Item No. 120-2 Borrow Excavation (millings) — Per Cubic Yard <br />SECTION -160 STABILIZATION <br />A. Sub Article 160-5.1 is modified by the addition of the following: <br />"The stabilization thickness indicated on plans shall be considered a minimum <br />thickness. Thickness will vary to conform to the lines, and grades shown in the plans." <br />Minimum L.B.R. = 40 - No under -tolerance. <br />01025-26 Technical Specifications <br />F:\Public Works\ENGINEERING DIVISION PROJECTS\1137-0Id Dixie Hwy Resurfacing IRF North Relief Canal to 71st <br />St\Admim\Addendums\Technical Specifications ADDENDUM 1 07-31-2014.doc <br />