Specials. Unless and otherwise mentioned below, the dimensions of all MS specials and fittings (such as tees, bends, tapers, reducers, dismantling joints, etc.) shall in general conform to the principals of IS 7322, BS 534/AWWA C208 and ASME standards using MS plate/sheet conforming to IS 2062 and tested and laid in the same manner as the pipes. The thickness shall not be less than the thickness of the pipe at that point. The Contractor shall submit the detailed drawing for each special to be used in the pipeline. On approval by the Employer’s Representative, the Contractor will initiate the manufacturing. All specials shall be manufactured under controlled conditions at the manufacturer's factory. In exceptional circumstances, when welding in the trench is unavoidable and approved by the Employer’s Representative, a flanged opening shall be provided to provide access inside the special for internal welding. The Contractor shall ensure the timely manufacturing of the MS specials so that they can be laid along with the pipe laying. The joints of adjacent pipe stretches shall be made with gap pieces approved as by the Employer’s Representative. On completion of the manufacturing, the material shall be inspected by the Employer’s Representative at the manufacturer’s works. All welding for MS specials and fitting shall be tested by radiography. On approval of the Employer’s Representative, the coating and lining for the specials shall be applied by the Contractor as per the specifications for coatings and lining. Tolerance for steel fittings shall confirm to the requirements of IS 7322. Standard fittings shall be used wherever possible in preference to fabricated fittings. Where fabricated fittings are supplied, with approval of Employer’s Representative, they shall be fully workshop fabricated and tested in accordance with standards. Steel specials shall have the same chemical and mechanical properties and shall be compatible in all respects with the pipes with which they are to be used. The marking of pipes and fittings shall be as specified.
Appears in 2 contracts
Sources: Loan Agreement, Loan Agreement