WASHINGTON GAS LIGHT CO

gas_transmission Incident —

Incident Information

Report Date
OperatorWASHINGTON GAS LIGHT CO
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates39.00973, -76.97611

Cause

CauseEXCAVATION DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

WASHINGTON GAS WAS NOTIFIED BY ULCS (UTILITY LINES CONSTRUCTION SERVICES) ON 5/25/21 1206 HRS OF A DAMAGED FACILITY NEAR 9412 ADELPHI RD. ADELPHI, MD. WASHINGTON GAS ARRIVED AT 1226 HRS AND IDENTIFIED THE DAMAGED FACILITIES TO BE 22"" WRAPPED TRANSMISSION. ULCS WAS EXCAVATING WITH AN AUGER AND DAMAGED WG FACILITIES. WASHINGTON GAS IDENTIFIED AND OPERATED 2 CRITICAL VALVES TO DISCONTINUE THE FLOW OF GAS. DUE TO THE LOCATION OF THE EXISTING POWER POLE, THE LOCATION OF THE NEWLY INSTALLED POWER POLE, BOTH HAVING TO BE RELOCATED, WHICH TOOK ADDITIONAL TIME. WASHINGTON GAS WAS DELAYED IN MAKING IMMEDIATE REPAIRS. MINIMUM IMPACT TO TRAFFIC, IT WAS ISOLATED TO ONE LANE OF THE FOUR LANE ROAD WHILE REPAIRS WERE MADE. NO CUSTOMERS WERE AFFECTED AND REPAIRS ARE COMPLETE. PART D QUESTION 7 WILL BE SUBMITTED IN A SUPPLEMENTAL, ONCE DATA IS RECEIVED. PART E QUESTION 8 THIS PIPE LINE WAS RECENTLY CONFIGURED TO ACCOMMODATE AN INTERNAL INSPECTION TOOL. A PRELIMINARY EXPLORATORY RUN IS SCHEDULED FOR MID JULY 2021.

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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