181-26 Exhibit A- Final Specifications_compressed.pdf

DIVISION 600 – MISCELLANEOUS CONSTRUCTION SECTION 601 – PIPE 601.01 DESCRIPTION Pay items under this section within the roadway surface shall include the cost of preliminary pavement restoration of HOT MIX ASPHALT 19M64 BASE COURSE in accordance with section 401. 601.02 MATERIALS THE FOLLOWING MATERIAL IS ADDED: PVC Pipe……………………………………………………………………………….. ............................... 909.02.03 Fernco Couplings (Or Approved Equal) Fernco Eccentric Couplings (Or Approved Equal) Pop-it or Approved equal lifting hole plug High Density Polyethylene Pipe shall be dual walled, ADS N-12 or approved equal. Perforated High Density Polyethylene Pipe shall be dual walled, ADS N-12 or approved equal. THE FOLLOWING IS ADDED: Reinforced Concrete pipe shall be bell and spigot type with an offset joint. Straight Wall Slip Joint Pipe shall not be accepted. In addition to all materials listed in the section, material for the following items shall include: • Virgin DENSE-GRADED AGGREGATE for backfilling of pipe trenches shall be in accordance with section 302.02 • HOT MIX ASPHALT 19M64 BASE COURSE shall be in accordance with section 401.02. 601.03 CONSTRUCTION 601.03.01 Pipe B. Excavating. THE FIFTH PARAGRAPH IN PART B IS CHANGED TO: If the material at the bottom of the trench is rock or other hard material, remove at least 6 inches of the material for RCP or at least 12 inches of the material below the bottom of the pipe for corrugated metal, steel, aluminum alloy pipe, HDPE or polypropylene (PP) pipe. Backfill the undercut with Class C bedding. D. Installing Pipe THE FIRST PARAGRAPH IN PART D IS CHANGED TO: Before the installation of HDPE and polypropylene (PP) pipe and as directed by the RE, provide a technical representative from the pipe manufacturer on the work site for the first day of pipe installation to ensure proper installation procedures. THE LAST PARAGRAPH IN PART D IS CHANGED TO: When using heavy construction equipment (100 kips axle load) over, or within 10 feet of HDPE and polypropylene (PP) pipe or corrugated aluminum alloy pipe, place the manufacturer recommended temporary compacted cover over the top of the pipe. Ensure that the temporary cover is free from stones larger than 1 inch. E. Joining Pipe. THE

num alloy pipe, place the manufacturer recommended temporary compacted cover over the top of the pipe. Ensure that the temporary cover is free from stones larger than 1 inch. E. Joining Pipe. THE LAST PARAGRAPH IN PART E IS CHANGED TO: HELEN AVE., LAWRENCE AVE., FLORENCE PL., AND LOWELL AVE., IMPROVEMENTS PROJECT Page 51 of 76