[Docket No. PHMSA-2026-0298]
PHMSA has published an advisory bulletin focused on integrity risks linked to Type-A repair sleeves used on hazardous liquid pipelines. These sleeves consist of two steel halves welded around a pipe defect to reinforce it, but PHMSA notes that past failures, often tied to improper installation, moisture getting inside, and poor assessment practices, have led to environmental damage and costly incidents. The bulletin stresses that operators need to understand and manage these risks so that repair sleeves don’t become a source of corrosion or other long-term integrity problems.
PHMSA also reminds operators that existing safety regulations require thorough recordkeeping, inspection, and monitoring when relying on Type-A sleeves, even though the bulletin doesn’t prohibit their use. It’s meant as guidance to help operators spot potential issues early and make smart decisions about assessment, maintenance, and sleeve management to better protect people and the environment.
For a copy of this advisory bulletin, please contact Jessica Foley.