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Weld Procedure Specification & Flaw Acceptance Criteria for a Brine Pipeline

A cement-lined, brine carrying piping system was proving difficult to weld, especially the weld root pass. APTECH worked with this government client to develop a welding procedure specification (WPS) that would minimize weld root discontinuities. In parallel, we performed fracture mechanics calculations to provide the client a flaw acceptance criteria which removed unneeded conservatism in the existing workmanship standards.

Satish Almaula		Plant failure and root cause analysis; process and design engineering analysis; process technology development and testing; plant engineering, operations, maintenance and safety management; plant and process control system management.

Eric Sullivan, P.E.		Metallurgy, welding, failure analysis, fire and explosion investigations, equipment, piping.

Geoffrey Egan, Ph.D.		Engineering mechanics, welding engineering, stress and fatigue analysis, risk analysis, nondestructive examination, project management.

Michael Cronin, P.E.		Stress analysis, design evaluation, engineering mechanics

Steve Paterson		Metallurgy, welding, boiler pressure part and machinery failure analysis.