HAR 6-77-80
HAR 6-77-80 Inspection and test of welds
conducted to insure that:#
(1)The welding is performed in accordance with the welding procedure; and#
(2)The weld is acceptable under subsection#
(c);#
(b)The welds on a pipeline to be operated at a pressure that produces a hoop stress of twenty percent or more of SMYS must be nondestructively tested in accordance with section 6-77-81, except that welds that are visually inspected and approved by a qualified welding inspector need not be nondestructively tested if:#
(1)The pipe has a nominal diameter of less than six inches; or#
(2)The pipeline is to be operated at a pressure that produces a hoop stress of less than forty percent of SMYS and the welds are so limited in number that nondestructive testing is impractical.#
(c)The acceptability of a weld that is nondestructively tested or visually inspected is determined according to the standards in section 6 of API Standard 1104. [Eff ] (Auth: HRS '269-6) (Imp: 49#