# ACADIAN GAS PIPELINE SYSTEM — Gas transmission and gathering — incident on 2018-06-25

- **operation:** document
- **citation:** PHMSA Report 20180075
- **title:** ACADIAN GAS PIPELINE SYSTEM — Gas transmission and gathering — incident on 2018-06-25
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2018-07-19
- **effective on:** 2018-06-25
- **summary:** Gas transmission and gathering incident in NAPOLEONVILLE, ASSUMPTION County, LA. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 15000 NATURAL GAS released, $35,000 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 NAPOLEONVILLE, ASSUMPTION County, LA. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 15000 NATURAL GAS released, $35,000 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: 20180075.

Operator ID: 3.

Reported incident date: 6/25/2018 10:51.

Location detail: MP 34

Cause detail: EXCAVATION DAMAGE BY THIRD PARTY

Cause detail: NOTIFICATION ISSUE

Cause detail: NO NOTIFICATION MADE TO THE ONE-CALL CENTER/811

Cause detail: AT 10:51 AN ENTERPRISE PIPELINE TECHNICIAN (PT) WAS NOTIFIED BY A FARMER THAT THEY STRUCK AND RUPTURED AN ENTERPRISE PIPELINE WHILE SUBSOILING. THE PT NOTIFIED PIPELINE CONTROL CENTER AND CONFIRMED PRESSURE LOSS ON THE PIPELINE USING SCADA DATA. OPERATIONS PERSONNEL PROCEEDED TO ISOLATE THE PIPELINE SEGMENT. AT 11:58 HOURS IT WAS DETERMINED THE RUPTURE MET INCIDENT REPORTING CRITERIA AND THE NRC WAS NOTIFIED AT 12:02 HOURS. ALTERNATE GAS SUPPLIES WERE USED TO PROVIDE SERVICE TO LOCAL CUSTOMERS DOWNSTREAM OF THE RUPTURE. THE PIPELINE RUPTURE WAS SECURED AT 13:21 HOURS. THE PIPELINE WAS REPAIRED AND RETURNED TO SERVICE ON JUNE 27TH AT 14:00 HOURS. LADNR WAS NOTIFIED AT 12:03 HOURS ON JUNE 25, 2018. 48 HR. NRC NUMBER 1216494 ENTERPRISE PARTICIPATES IN THE CGA DIRT REPORTING PROGRAM AND WILL FILE A REPORT DIRECTLY TO CGA.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — THIRD PARTY EXCAVATION DAMAGE.

PHMSA indexed costs: $77,000 reported total cost, $55,938.977 in 1984 dollars, $89,330.072 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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