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a. Payment for all costs associated with backfill as defined above, shall be paid for on a <br />cubic yard basis under the pay item: <br />BACKFILL, BORROW.............................................................................CYS <br />XXX. COMPACTED AGGREGATE <br />A. Prevailing Specifications: City of South Bend Design and Construction Standards / 2020, <br />INDOT Standard Specifications Section 301 <br />B. Additions: <br />1. All coarse aggregate shall be of the specified size. Crushed limestone and concrete are <br />allowed. The cost of placing, compacting, water and necessary incidentals shall be <br />included in the cost of the compacted aggregate. <br />2. Sources of aggregate shall be in accordance with Section 904 of the INDOT Standard <br />Specifications. Sources of aggregate will not be considered for acceptance of material until <br />a preliminary investigation has been made. As part of this investigation, samples will be <br />obtained and tests conducted to determine the quality and classification of the aggregates <br />in accordance with ITM 203. <br />3. The depth of compacted aggregate shall be 8 -inches below proposed asphalt pavement <br />and drives, per City standard. Quantity shall be based on plan neat lines. <br />4. Plan quantities are based on an assumed compacted density of 1.9 tons/cubic yard. <br />5. The condition of the subgrade at the time paving material is placed is required to be in <br />accordance with INDOT Standard Specifications 105.03 and 207.03. <br />6. Prior to placing the base course of asphalt on the prepared aggregate subgrade, proof <br />rolling in accordance with INDOT Standard Specifications 203.09 and 203.26 is required. <br />7. Measurement and Payment <br />a. Payment for compacted aggregate for construction entrance, pipe and structure <br />bedding will be considered incidental to furnishing and installing the respective Pay <br />Item. <br />b. The cost of placing, compacting, water and necessary incidentals associated with the <br />compacted aggregate, other than the material described above, will be paid for on a <br />tonnage basis for all parts under the pay item: <br />COMPACTED AGGREGATE NO. 53, ................................................TON <br />XXXI. HOT MIX ASPHALT <br />A. Prevailing Specifications: INDOT 2020 Standard Specifications Section 402, 406 <br />B. Additions: <br />1. The Contractor shall submit a job mix formula for approval five (5) working days prior to <br />any mix placed. The Contractor will not be allowed to proceed with the placement of asphalt <br />without an approved job mix formula. The Contractor shall notify the City forty-eight (48) <br />hours prior to placing any asphalt. Mixed placed without notification will be subject to no <br />Version 08/25/2021 Special Provisions -12 <br />