PAA NATURAL GAS STORAGE, LLC — Gas transmission and gathering — incident on 2014-06-03

Current as of 2014-06-03 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Gas transmission and gathering incident in RICHMOND TOWNSHIP, MACOMB County, MI. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 3964 NATURAL GAS released, $250,000 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: 20140072.

Operator ID: 32262.

Reported incident date: 6/3/2014 13:00.

Location detail: 2300 LINE

Cause detail: EXCAVATION DAMAGE BY THIRD PARTY

Cause detail: EXCAVATION ISSUE

Cause detail: IMPROPER BACKFILLING PRACTICES

Cause detail: APPROXIMATELY 3,964 MCF WERE RELEASED WHEN A THIRD PARTY CONTRACTOR HIT AND RUPTURED A 20-INCH TRANSMISSION PIPELINE, WHILE OPERATING A TILE TRENCHER. THROUGH THE 8-1-1 DIG ALERT SYSTEM, THE CONTRACTOR NOTIFIED BLUEWATER GAS STORAGE, LLC ON MAY 29TH THAT THEY WERE GOING TO BEGIN EXCAVATION ON WEDNESDAY, JUNE 4TH BUT BEGAN EARLY ON TUESDAY, JUNE 3RD, BEFORE BLUEWATER HAD AN OPPORTUNITY TO MARK THE LINES. BLUEWATER OPERATORS OBSERVED THE LINE PRESSURE DROPPING AND ISOLATED THE SEGMENT OF PIPELINE. THE SEGMENT WAS REPLACED AND EXCAVATION WAS BACK-FILLED. THE LINE IS NOW AVAILABLE FOR SERVICE. THE MISS DIG SYSTEM WAS CALLED AND ASSIGNED TICKET NUMBER B41492654. THE NATIONAL RESPONSE CENTER (NRC) WAS ALSO CONTACTED AND ASSIGNED REPORT NUMBER 1084738. SUPPLEMENTAL NARRATIVE: THIS REPORT WAS UPDATED PER INSTRUCTIONS RECEIVED FROM KYLE FRISKE WITH THE STATE OF MICHIGAN.

PHMSA trend classification: significant incident, not serious.

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

PHMSA indexed costs: $325,000 reported total cost, $173,206.668 in 1984 dollars, $388,114.517 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.

This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.