TEXAS EASTERN TRANSMISSION LP (SPECTRA ENERGY CORP) — Gas transmission and gathering — incident on 2015-11-03

Gas transmission and gathering incident in Not Within a Municipality, POLK County, TX. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 1 NATURAL GAS released, $122,000 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: 20150142.

Operator ID: 19235.

Reported incident date: 11/3/2015 9:30.

Location detail: 144.0

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

Cause detail: COMPANY EMPLOYEES DISCOVERED A LEAK DUE TO A CRACK IN A GIRTH WELD NEAR THE 6 O'CLOCK POSITION ON TEXAS EASTERN TRANSMISSION, LP 24-INCH LINE 11 NEAR ONALASKA, TEXAS AT 9:30 AM NOVEMBER 3, 2015. THE LEAK WAS THE RESULT OF A 4" CRACK AT THE EDGE OF THE GIRTH WELD. THE CRACK WAS IN THE HEAT AFFECTED ZONE (HAZ) AT THE 6 O'CLOCK PIPE POSITION. PIPE CONTAINING LEAK WAS REPLACED AND LINE IS BACK IN SERVICE. METALLURGICAL TESTING INDICATED THAT THE CRACK WAS DUE TO HYDROGEN INDUCED CRACKING (HIC). SUPPLEMENTAL 3/17/2020 UPDATED PART G5-METALLURGICAL INVESTIGATION COMPLETE

PHMSA trend classification: significant incident, not serious.

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

PHMSA indexed costs: $153,232 reported total cost, $90,162.602 in 1984 dollars, $186,282.58 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.