Orange County NC Website
Browse       Search
CITY DFMBBANE ST�l1VDAXD SPXQW4r4V0M <br /> ' <br /> MATERIAL SPECIFICATIONS - STREET AND SITE I1EPROVEMENT3: <br /> ' 1. General Conditions 10. Brick Masonry 18. Bituminous Concrete <br /> 2. Cement 11. Storm Sewers Surface Course <br /> 3. Sand 12. Catch Basin Frames&Covers 19. Prime Coat <br /> 4. Coarse Aggregate 13. Precast Manholes 20.Tack Coat <br /> 5.Water 14. Manhole Frames& Covers 21. Stabilization Stone for <br /> 6. Concrete 15. Manhole Steps Pavement Cuts <br /> ' 7. Steel for Reinforcement 16.Aggregate Base Course 22. Stabilization Stone for Ditches <br /> 8. Mortar 17. Bituminous Concrete Binder 23. Concrete Curb&Gutter <br /> 9. Brick Course 24. Rip Rap <br /> 1. General Conditions. Unless otherwise specified, all materials used in the work under this <br /> document shall conform to the requirements of the current Specifications of the American <br /> Society for Testing Materials, and shall be tested in accordance with the current specifications <br /> or current methods of testing of ASTM, where specifications and methods of testing have been <br /> adopted, revised, or proposed for such materials. All materials rejected by the Engineer as <br /> unsuitable, or not in conformity with the Plans or Specifications, or failing to pass the required <br /> ' tests, shall be removed immediately from the work. Failure to condemn materials on preliminary <br /> inspection shall not be grounds for acceptance if future defects are found. <br /> ' 2. Cement. All cement used in mortar shall conform to Specifications for Portland Cement of <br /> ASTM C-150. Brand of cement proposed for use by the Contractor will be subject to the <br /> approval of the Engineer. Type II shall be used in all work. <br /> ' 3. Sand. All sand or fine aggregate shall conform to ASTM Specifications C-33 and when <br /> made into mortar shall have a compressive strength at 7 and 28 days of not less than 100% of <br /> mortar made with standard sand. <br /> ' 4. Coarse Aggregate. Coarse aggregate shall conform to ASTM Specifications C-33. Stone <br /> shall be broken to the sizes hereinafter specified under "Concrete" for the various classes of <br /> concrete, and grading shall be well within the limits specified. <br /> 6. Water. Water used for mixing concrete and mortar shall be clean, and free from <br /> deleterious amounts of acids, alkalis, and organic materials. <br /> 6. Concrete. All concrete shall be made of Portland cement, water and aggregates as <br /> hereinbefore specified, and shall further be in accordance with the following definite <br /> ' requirements for the various classes. <br /> A design of the mix made by an independent laboratory, approved by the Engineer, for each <br /> class of concrete, shall be submitted for approval before concreting is started. <br /> During progress of the work, standard compressive strength test specimens shall be made and <br /> cured by the Contractor in accordance with ASTM Standard Method, Designation C-31, and <br /> ' tested - by an independent testing laboratory in accordance with ASTM Standard Method, <br /> Designation C-39. At least 3 cylinders will be made for each test. Tests results shall be <br /> ' MATERIAL SPECIFICATIONS - STREET AND SITE IMPROVEMENTS MS-SSI-1 <br /> 10/15/09 <br />