# Transmission lines: Permanent field repair of welds.

**Citation:** 49 CFR 192.715  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Each weld that is unacceptable under § 192.241(c) must be repaired as follows:

(a) If it is feasible to take the segment of transmission line out of service, the weld must be repaired in accordance with the applicable requirements of § 192.245.

(b) A weld may be repaired in accordance with § 192.2

## Document text

Each weld that is unacceptable under § 192.241(c) must be repaired as follows:

(a) If it is feasible to take the segment of transmission line out of service, the weld must be repaired in accordance with the applicable requirements of § 192.245.

(b) A weld may be repaired in accordance with § 192.245 while the segment of transmission line is in service if:

(1) The weld is not leaking;

(2) The pressure in the segment is reduced so that it does not produce a stress that is more than 20 percent of the SMYS of the pipe; and

(3) Grinding of the defective area can be limited so that at least 1/8-inch (3.2 millimeters) thickness in the pipe weld remains.

(c) A defective weld which cannot be repaired in accordance with paragraph (a) or (b) of this section must be repaired by installing a full encirclement welded split sleeve of appropriate design.

[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-85, 63 FR 37504, July 13, 1998]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-192.715>
- Source ID: `ecfr`
- SHA-256: `1f42fc9e8c0eafae44954130b2b5cc2a7f2279fc08e295275f57ee8d3c05347e`
- Retrieved: 2026-08-20T05:54:34.435Z
- Exported: 2026-08-23T09:22:29.087Z
- Document slug: `49-cfr-192-715`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "192",
  "section": "192.715",
  "subpart": "Subpart M—Maintenance",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```