The Post Construction Subcommittee on Flange Joint Assembly establishes and maintains PCC-1, Guidelines for Pressure Boundary Bolted Flange Joint Assembly, to promote a high level of leak-tightness integrity of bolted joints for both new and existing pressure-containing equipment and piping normally encountered in industry, as follows: • Effective pressure-boundary, bolted flange-joint assembly procedures covering a broad range of flange sizes and service conditions and • Uniform criteria for the training, qualification and certification of bolted flange-joint assembly personnel.
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