# ALGONQUIN GAS TRANSMISSION CO (SPECTRA ENERGY CORP) — Gas transmission and gathering — incident on 2012-11-21

- **operation:** document
- **citation:** PHMSA Report 20120124
- **title:** ALGONQUIN GAS TRANSMISSION CO (SPECTRA ENERGY CORP) — Gas transmission and gathering — incident on 2012-11-21
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2012-12-12
- **effective on:** 2012-11-21
- **summary:** Gas transmission and gathering incident in MONTVILLE, NEW LONDON County, CT. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 200 NATURAL GAS released, $50,000 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: not significant, not serious.
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**body:**

Gas transmission and gathering incident in MONTVILLE, NEW LONDON County, CT. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 200 NATURAL GAS released, $50,000 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: 20120124.

Operator ID: 288.

Reported incident date: 11/21/2012 18:30.

Location detail: 1213+90

Cause detail: DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED

Cause detail: ON NOVEMBER 21, 2012, A LANDOWNER REPORTED A SMELL ASSOCIATED WITH PIEPLINE ODORANT. SPECTRA ENERGY PERSONNEL DISCOVERED NATURAL GAS FROM ALGONQUIN 6-INCH LINE E-1 WAS BUBBLING UP IN STONY BROOK WHICH IS LESS THAN ONE FOOT DEEP. A PINHOLE LEAK IN THE CIRCUMFERENTIAL WELD OF THE PIPE WAS DISCOVERED. REPLACEMENT OF THE PIPE WAS COMPLETED ON NOVEMBER 25, 2012.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: MATERIAL FAILURE OF PIPE OR WELD — CONSTRUCTION, INSTALLATION OR FABRICATION-RELATED.

PHMSA indexed costs: $52,673 reported total cost, $28,258.814 in 1984 dollars, $67,867.544 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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