KEYSPAN ENERGY DELIVERY - NY CITY
gas_distribution Incident — BROOKLYN, NY
Incident Information
| Report Date | — |
| Operator | KEYSPAN ENERGY DELIVERY - NY CITY |
| Commodity | — |
| Pipeline Type | gas_distribution |
Location
| City | BROOKLYN |
| State | NY |
| County | KINGS |
| Coordinates | 40.57839, -73.98935 |
Cause
| Cause | OTHER INCIDENT CAUSE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
TWO ADJACENT CONSTRUCTION PROJECTS WERE IN PROGRESS PRIOR TO THE STATED INCIDENT. A CONSTRUCTION CREW WAS PERFORMING A SCHEDULED SOP FOR TIE IN OF A NEW 6"" HP MAIN AT THE INTERSECTION OF WEST 22 ST & NEPTUNE AVE WHEN THEY LOST GAS PRESSURE TO THE MAIN CAUSING AN UNPLANNED SUPPLY INTERRUPTION TO 177 SERVICES. AN INCIDENT ASSESSMENT IS CURRENTLY IN PROGRESS TO ESTABLISH ROOT CAUSE ANALYSIS. ON 11.03.2015, THE PROJECT ENGINEER ON SITE INSTRUCTED THE IN-HOUSE MECHANICAL CREW TO JOIN PIPE SEGMENTS. THE PROJECT ENGINEER STATED TO CREW LEAD A BACK FEED WAS PREVIOUSLY ESTABLISHED WITHIN THE PROJECT SCOPE BY ANOTHER MECHANICAL CREW. PRIOR TO STOPPING FLOW OF SEGMENTS TO BE JOINED, THE CREW LEAD FOLLOWED STEPS OF THE SOP AND INFORMED GSO OF GAUGE READINGS PRIOR TO AND AFTER MONITORING FOR ~30 MINUTES. NOTE, ON 11.03.2015 THERE WAS NO EVIDENCE OF CUSTOMER DEMAND ON THE SYSTEM AS THE TEMPERATURE WAS 70 DEGREES. AFTER THE PIPE JOINING WAS STARTED, APPROXIMATELY 50 MINUTES LATER, PRESSURE DROPPED AND CUSTOMERS NOTIFIED CREW OF AN INTERRUPTION OF SERVICE.
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.