WASHINGTON GAS LIGHT CO
gas_distribution Incident — UPPER MARLBORO, MD — November 3, 2021
Incident Information
| Incident Date | November 3, 2021 |
| Operator | WASHINGTON GAS LIGHT CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_distribution |
Location
| City | UPPER MARLBORO |
| State | MD |
| County | PRINCE GEORGES |
| Coordinates | 38.88313, -76.75941 |
Cause
| Cause | EXCAVATION DAMAGE |
| Subcause | EXCAVATION DAMAGE BY THIRD PARTY |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $235 |
| Emergency Response | $10,018 |
| Other Costs | $383 |
Location Map
Incident Narrative
"ON NOVEMBER 3, 2021, WASHINGTON GAS WAS NOTIFIED OF A DAMAGED FACILITY NEAR DORMANSVILLE BLVD. AND CHURCH RD. UPPER MARLBORO MD. WASHINGTON GAS DISPATCHED CREWS IN RESPONSE TO THE BROKEN LINE. ONCE ARRIVED, THE DAMAGED WAS DETERMINED TO BE A TWO-WAY FEED 8"" PLASTIC MAIN. THE MAIN WAS STRUCK ON A CONSTRUCTION SITE BY A BACKHOE WITH A 48"" BUCKET. NO TRAFFIC WAS AFFECTED DUE TO NEW CULVERT AND BRIDGE WAS BEING CONSTRUCTED. THE GAS MAIN WAS APPROXIMATELY 10' UNDER A CREEK BED KNOWN AS BLACK BRANCH HAD BEEN PREVIOUSLY BEEN DIVERTED DUE TO THE CONSTRUCTION OF A NEW BRIDGE. THE EXCAVATOR PLEASANTS CONSTRUCTION DID HAVE A VALID MISS UTILITY TICKET BUT FAILED TO MAINTAIN MARKS IN THE EXCAVATION AREA. WASHINGTON GAS EXCAVATED ON EACH SIDE OF THE DAMAGED FACILITY AND PERFORMED A SQEEZE OFF. THE WORK AREA WAS MADE SAFE TO ENTER TO COMMENCE REPAIRS."
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.