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A 53/A 5310 - 06a 16.1.2 For plain-end pipe lighter than extra-strong weight,it and any flaking or cracking of the zinc coating shall not be shall be permissible for not more than 5 %of the total number considered cause for rejection. If galvanized pipe is bent or of pipe to be in lengths of 12 to 16 It [3.66 to 4.88 m]. otherwise fabricated to a degree that causes the zinc coating to 16.1.3 Pipe of extra-strong weight or heavier shall be in stretch or compress beyond the limit of elasticity,some flaking random lengths of 12 to 22 ft (3.66 to 6.71 m], except that it of the coating is acceptable. shall be permissible for not more than 5%of the total of pipe to be in lengths of 6 to 12 ft [1.83 to 3.66 m]. 18. Inspection 16.1.4 For extra-strong weight or lighter pipe ordered in double-random lengths, the minimum lengths shall be not less 18.1 The inspector representing the purchaser shall have than 22 it [6.71 m] and the minimum average length for the entry, at all times while work on the contract of the purchaser order shall be not less than 35 it [10.67 m]. is being performed, to all parts of the manufacturer's works 16.1.5 For pipe heavier than extra-strong weight ordered in that concern the manufacture of the pipe ordered. The manu- lengths longer than single random, the lengths shall be as facturer shall afford the inspector all reasonable facilities to be agreed upon between the manufacturer and the purchaser. satisfied that the pipe is being furnished in accordance with this 16.1.6 If pipe is furnished threaded and coupled, the length specification.All tests(except product analysis)and inspection shall be measured to the outer face of the coupling. shall be made at the place of manufacture prior to shipment, unless otherwise specified,and shall be so conducted as not to 17. Galvanized Pipe interfere unnecessarily with the operation of the works. 17.1 Galvanized pipe ordered under this specification shall be coated with zinc inside and outside by the hot-dip process. 19. Rejection The zinc used for the coating shall be any grade of zinc 19,1 The purchaser is permitted to inspect each length of conforming to Specification B 6. pipe received from the manufacturer and,if it does not meet the 17.2 Weight(Mass)per Unit Area of Coating-The weight requirements of this specification based upon the inspection (mass) per unit area of zinc coating shall be not less than 1.8 and test method as outlined in the specification,the length shall oz/ft'[0.55 kg/m2] as determined from the average results of be rejected and the manufacturer shall be notified.Disposition the two specimens taken for test in the manner prescribed in 17.5 and not less than 1.6 oz/ft'-[0.49 kg/m'] for each of these of rejected pipe shall be a matter of agreement between the manufacturer and the purchaser. specimens. The weight (mass) per unit area of coating, ex- 19.2 Pipe found in fabrication or in installation to be pressed in ounces per square foot[kilograms per square metre] shall be calculated by dividing the total weight(mass)of zinc, unsuitable for the intended use, under the scope and require- inside plus outside,by the total area,inside plus outside,of the mems of this specification,shall be set aside and the manufac- surface coated. Each specimen shall have not less than 1.3 turer notified. Such pipe shall be subject to mutual investiga- oz/ft'[0.40 kg/mz]of zinc coating on each surface,calculated tion as to the nature and severity of the deficiency and the by dividing the total weight(mass)of zinc on the given surface forming or installation, or both,conditions involved. Disposi- (outside or inside)by the area of the surface coated(outside or tion shall be a matter for agreement. inside). 17.3 Weight (Mass) per Unit Area of Coating Test-The 20. Certification weight(mass)per unit area of zinc coating shall be determined 20.1 The manufacturer or supplier shall, upon request, by stripping tests in accordance with Test Method A 90/A 90M. furnish to the purchaser a certificate of compliance stating that 17.4 Test Specimens-Test specimens for determination of the material has been manufactured, sampled, tested, and weight (mass) per unit area of coating shall be cut approxi- inspected in accordance with this specification (including mately 4 in. [100 mm] in length. year-date), and has been found to meet the requirements. 17.5 Number of Tests-Two test specimens for the determi- 20.2 Test Report-For Types E and S, the manufacturer or nation of weight(mass)per unit area of coating shall be taken, supplier shall furnish to the purchaser a chemical analysis one from each end of one length of galvanized pipe selected at report for the elements given in Table I. random from each lo[ of 500 lengths, or fraction thereof, of 3 ED!-A certificate of compliance or test report printed each size. 17.6 Rerests-If the weigh[ (mass) per unit area of coating From, or used in, electronic form from an electronic data of any lot does not conform to the requirements specified in interchange(EDI)transmission shall be regarded as having the 17.2,retests of two additional pipes from the same lot shall be same validity as a counterpart printed in the certifier's facility. made, each of which shall conform to the specified require- The use and format of the EDI document are subject to mens. agreement between the purchaser and the manufacturer or 17.7 If pipe ordered under this specification is to be galva- supplier. nized, the tension, flattening, and bend tests shall be made on Non 7-EDI is the computer to computer exchange of business the base material before galvanizing, if practicable. If speci- information in a standard format such as ANSI ASC X12. fied, results of the mechanical tests on the base material shall be reported to the purchaser. If it is impracticable to make the 20.4 Notwithstanding the absence of a signature, the orga- mechanical tests on the base material before galvanizing, it nization submitting the certificate of compliance or test report shall be permissible to make such tests on galvanized samples, is responsible for its content. 8