External Corrosion Direct Assessment
External Corrosion Direct Assessment (ECDA) is an approved alternative inspection methodology for meeting U.S. DOT requirements for gas and hazardous liquid pipelines. Structural Integrity Associates, Inc. (SI) offers clients all levels of ECDA services, ranging from Written Plan development and basic inspections to a comprehensive four-step turnkey ECDA program. The turnkey ECDA program includes pipeline pre-assessment supported by SI's proprietary [TurboECDA©] data management and documentation software; indirect inspections, including close-interval pipe-to-soil potential surveys (CIS), alternating current and direct current voltage gradient (ACVG/DCVG) surveys, soil resistivity surveys, C-Scan, and other methodologies; direct inspections, including bell-hole inspections, nondestructive examination with SI's long-range guided-wave ultrasonic Guided Wave Testing (GWT); and post-assessment to determine program effectiveness and reassessment intervals. SI's turnkey program also provides required ECDA procedures, documentation, and reporting, as well as prevention and mitigation planning to minimize pipeline degradation.For information, please contact This e-mail address is being protected from spambots. You need JavaScript enabled to view it