ALYESKA PIPELINE SERVICE CO — Integrity Assurance Notification

REPAIRPer §195.452(h)(3), Alyeska Pipeline Service Company (Alyeska) is notifying the Pipeline Hazardous Materials Safety Administration (PHMSA) of a delay of investigation and remediation of a 180-day condition discovered on March 31, 2022 at segment 2 Pipeline Milepost (PLMP) 449.92 of the Trans Alaska Pipeline System (TAPS). This location resides in a High Consequence Area Could Affect Segment (HCA CAS) which requires scheduling for evaluation and remediation for Discovery of Condition per 49 CFR 195.452 (h)(4)(iii)(D): A calculation of the remaining strength of the pipe shows an operating pressure that is less than the current established maximum operating pressure at the location of the anomaly.#