# TRANSCO GAS PIPELINE CORP — Gas transmission and gathering — incident on 1993-07-30

- **operation:** document
- **citation:** PHMSA Report 19930130
- **title:** TRANSCO GAS PIPELINE CORP — Gas transmission and gathering — incident on 1993-07-30
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 1993-08-24
- **effective on:** 1993-07-30
- **summary:** Gas transmission and gathering incident in OFFSHORE SOUTH PASS, LA. Reported cause: CONSTRUCTION/MATERIAL DEFECT. Reported consequences: 0 fatalities, 0 injuries, $350,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: significant incident, not serious.
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**body:**

Gas transmission and gathering incident in OFFSHORE SOUTH PASS, LA. Reported cause: CONSTRUCTION/MATERIAL DEFECT. Reported consequences: 0 fatalities, 0 injuries, $350,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 19930130.

Operator ID: 19570.

Reported incident date: 19930730.

Cause detail: THE CHECK VALVE DID NOT CLOSE COMPLETELY WHEN MECHANICAL SLIP JOINT DISENGAGED, ALLOWING THE RELEASE OF GAS PRESSURE.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: MATERIAL/WELD/EQUIP FAILURE — UNSPECIFIED MATERIAL/WELD FAILURE.

PHMSA indexed costs: $350,000 reported total cost, $267,787.623 in 1984 dollars, $659,478.501 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.
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