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GENERAL NOTES: <br />1. Temporary Patch: <br />If it is not possible, due to weather conditions, for the contractor to replace the <br />pavement within 24 hours following backfilling of cut, a coarse aggregate base 8" <br />thick and a cold asphaltic surface of 4" shall be applied and maintained as a <br />temporary patch until permanent repairs can be made. When temperature falls below <br />50°F within 72 hour cure time, concrete to be used shall be 7 bag w/ 2% accelerator. <br />Such temporary patches shall be replaced with permanent repairs no later than May 1 <br />of the following year. <br />2. All utilities must be located prior to making pavement cut. <br />12"12" Min. <br />all Sides <br />Slopes as per Trenching Safety Policy <br />29 CFR 1926, Subpart P - <br />Excavation & Trenching <br />Trench Cut <br />Max. 24" Wider Than <br />O.D. of Utility <br />11 <br />2" Milling of HMA to Nearest Lane or <br />Edge of Road in Transverse Direction, <br />and 2 ft. Past Trench cut in Both <br />Directions, Longitudinally <br />Asphalt Pavements Shall be Patched With <br />Minimum 11 <br />2" HMA Surface and Minimum 61 <br />2" <br />of HMA Base in two Lifts or Thickness of <br />Existing Pavement, Whichever is Greater. <br />HMA Surface Existing AsphaltBituminous <br />Crackseal <br />Brick <br />Clean Sawcut <br />HMA Base <br />Backfill <br />ASPHALT PAVEMENT NOTES: <br />1. Depth of asphalt patch shall be a minimum of 8" or the same <br />depth as original pavement, whichever is greater. <br />2. A concrete patch on asphalt pavement may be allowed by the <br />City Engineer if the road is scheduled to be rehabilitated in the <br />near future or other like circumstances. <br />Existing Concrete <br />or Asphalt <br />See Section 3 for Bedding <br />and Backfill Requirements <br />12" (Typ.) <br />6/26/18 <br />CITY OF SOUTH BEND <br />Item Revision Approved Date <br />STANDARD <br />EFFECTIVE DATE: <br />REF STD SPEC SEC <br />APPROVED/REVISED BY THE BOARD OF PUBLIC WORKS <br />STANDARDS FOR DESIGN <br />AND CONSTRUCTION <br />Kara M. Boyles, Ph.D., P.E. Date <br />PAVEMENT PATCHING AND UTILITY CUTS - ASPHALT 2-48 <br />2-6 <br />June 26, 2018 <br />SECTION 2 - STREETS AND PATHS