AWWA C200-97 PDF

The procedures, the welding operators as well as all operators shall be qualified under Sec. All work performed and material furnished under this standard may be inspected by the purchaser, but such inspection shall not relieve the manufacturer of responsibility to furnish material and perform work in accordance with this standard. Gobierno de la Eficiencia en la Calle. The production weld tests consists of: Defects in seamless pipe or in the parent metal of welded pipe awwwa be considered unacceptable when the depth of the defect is greater than If the pipe is to be manufactured to meet the requirements of one or more of the ASTM specifications, the grades of pipe shall be: The manufacturer shall maintain a quality-assurance program to ensure that minimum standards are met.

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Dorr The frequency of production weld tests: A serial number or other identification shall be painted in a conspicuous location on each section of pipe and each special section. C American National Standart for Polyerthylene encasement for ductile-iron pipe systems. By agreement between the manufacturer and the purchaser, the ends of the pipe may be supplied with joint configurations and tolerances other than those described herein. C American National Standart for Ductile-iron compact fitting, for water service.

There shall be at least one set of weld-test specimens taken of each size, grade, and wall thickness from work performed by each production machine and each operator at a minimum of every ft. It shall include a certified welding inspector AWS QC1 to verify that welders and welding procedures are qualified, procedures are being followed with limitation of testing, and quality-assurance functions are being implemented.

Each length of repaired pipe shall be tested hydrostatically in accordance with standard requirements. There shall be no leaks.

C American National Standart for thickness desing of ductile-iron pipe. C American National Standart for Flanged ductile-iron pipe with ductile-iron or gray-iron threaded flanges. All work performed and material furnished under this standard may be inspected by the purchaser, but such inspection shall not relieve the manufacturer of responsibility to furnish material and perform work in accordance with c—97 standard.

C American National Standart for Ductile-iron and gray-iron fittings, for water. In such cases, pipe ends shall conform to the description of detail drawings provided by the purchaser. D AWWA Standard for automatically controlled, impressed-current cathodic protection for the interior of steel water-tanks. The maximum radial offset tolerance on the plates is: By agreement between the purchaser and the manufacturer, when the diameter and the wall thickness of the pipe are such that the capacity of the testing equipment is exceeded by these requirements, the test pressures may be reduced or other non destructive test methods may awaw used.

For plates, the maximum allowable thickness variation shall be 0. When the pipe is to be fabricated to meet the standard requirements; the plates, the sheets, or the coils shall be selected in accordance to the following physical properties and specifications. This is a summary of the AWWA standards and specifications.

AWWA standard for steel water pipe 6 in. For further details and information, please refer to these standards and specifications. MARKING A serial number or other identification shall be painted in a conspicuous location on each section of pipe and each special section.

The out-of-roundness of pipe ends shall be consistent with the diameter and wall thickness. For the sheets, the maximum allowable thickness variations shall be in accordance to the ASTM A specifications. C American National Standart for Protective fusion-bonded epoxy coatings for the interior and exterior surfaces of ductile-iron and gray-iron fittings for water supply service.

The procedures, the welding operators as qwwa as all operators shall be qualified under Sec. C AWWA Standard for Heat-shrinkable cross-linked polyolefin coatings for the exterior of special sections, connections, and fittings for steel water pipelines. Defects in seamless pipe or in the parent metal of welded pipe will be considered unacceptable when the depth of the defect is greater than By agreement between the purchaser and the manufacturer, the welding can be done either by automatic or manual means.

C AWWA Standard for polyurethane coaings for the interior and exterior of steel water pipe and fittings. The manufacturer shall maintain a quality-assurance program to ensure that minimum standards are met. Yield strength, min Ksi Mpa. C American National Standart for Ductile-iron pipe, centrifugally cast, for water or other liquids.

Unless specified by the purchaser, the wall thickness and weight tolerances for welded pipe shall be governed by the requirements of the specifications to which the plates or sheets are ordered. C AWWA Standard for Cold-applied tape coatings for the exterior of special sections, connections, and fittings for steel water pipelines.

The pipe shall be substantially round. Tensile strength ,min Ksi Mpa. Aewa de la Eficiencia en la Calle. C AWWA Standard for Cold-applied petrolatum tape and petrolatum wax tape coatings for the exterior of special sections, connections, and fittings foe buried steel water pipelines. If the pipe is to be manufactured to meet the requirements of one or more of the ASTM specifications, the grades of pipe shall be: D AWWA Standard for flexible-membrane-lining and floating-cover materils for potable-water storage.

All spiral, longitudinal, and girth seams used in the manufacture of the pipe shall be full-penetration welded butt joints. F AWWA Standard for matched die-molded, fiberglass-reinforced plastc weir plates, scum baffles, and mounting brackets.

The test pressure shall be held for sufficient time to observe the weld seams. V length of pipe shall be tested by the manufacturer to a hydrostatic pressure not aswa than that determined by the following formula: Related Posts

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AWWA C200-97 PDF

Dorr The frequency of production weld tests: A serial number or other identification shall be painted in a conspicuous location on each section of pipe and each special section. C American National Standart for Polyerthylene encasement for ductile-iron pipe systems. By agreement between the manufacturer and the purchaser, the ends of the pipe may be supplied with joint configurations and tolerances other than those described herein. C American National Standart for Ductile-iron compact fitting, for water service.

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This edition approved Feb. It is not a specification. AWWA standards describe minimum requirements and do not contain all of the engineering and administrative information normally contained in specifications. The AWWA standards usually contain options that must be evaluated by the user of the standard. Until each optional feature is specified by the user, the product or service is not fully defined. AWWA publication of a standard does not constitute endorsement of any product or product type, nor does AWWA test, certify, or approve any product.

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Unless specified by the purchaser, the wall thickness and weight tolerances for welded pipe shall be governed by the requirements of the specifications to which the plates or sheets are ordered. Library Menu Ends to be fitted with flanges shall be grinded longitudinal and spiral weldsat ground flush for a sufficient distance to allow proper installation of the flange. C AWWA Standard for Heat-shrinkable cross-linked polyolefin coatings for the exterior of special sections, connections, and fittings for steel water pipelines. A serial number or other identification shall be painted in a conspicuous location on each section of pipe and each special section. C American National Standart for Rubber-gasket joints for ductile-iron pressure pipe and fittings.

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