PEOPLES GAS LIGHT & COKE CO
gas_distribution Incident — CHICAGO, IL — March 3, 2010
Incident Information
| Incident Date | March 3, 2010 |
| Operator | PEOPLES GAS LIGHT & COKE CO |
| Commodity | OTHER GAS |
| Pipeline Type | gas_distribution |
Location
| City | CHICAGO |
| State | IL |
| County | COOK |
| Coordinates | 41.87809, -87.63693 |
Cause
| Cause | "PIPE, WELD, OR JOINT FAILURE" |
| Subcause | MECHANICAL JOINT FAILURE |
Casualties
| Fatalities | 1 |
| Injuries | 1 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"PERFORMING A 100 POUND AIR PRESSURE TEST ON A 54 FOOT SEGMENT OF 20-INCH DIAMETER STEEL GAS MAIN WHEN AN UNEXPOSED 20-INCH BOLTED - TYPE MECHANICAL COUPLING GAVE WAY PROPELLING A SECTION OF THE 20-INCH DIAMETER GAS MAIN FORWARD. THE TEST WAS PERFORMED AS PART OF UPRATING AN EXISTING STEEL MAIN FROM LOW TO MEDIUM PRESSURE. DATA ENTRY NOTE: I WAS UNABLE TO ENTER 1954 FOR THE ACTUAL YEAR OF INSTALL OF THE PIPE IN PART C, QUESTION 2A. THE PROGRAM WOULD NOT LET ME ENTER A YEAR LESS THAN 1959. THE ""UNKNOWN"" BOX WAS CHECKED TO ALLOW ELECTRONIC COMPLETION OF THE FORM, BUT THE PIPE WAS INSTALLED IN 1954."
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.