PEOPLES GAS SYSTEM INC

Incident Narrative

CONTRACTOR, MASTEC, STRUCK A 6"" PE MAIN ON THE SECTION OF THE MAIN THAT RUNS EAST AND WEST, NORTH OF THE SIDEWALK ON INDIAN CREEK RD. THE MAIN WAS MARKED ACCURATELY AND MARKS WERE VISIBLE. CONTRACTOR WAS ATTEMPTING TO INSTALL A LIGHT BASE. NOTE: DUE TO COMPLEXITY OF THE EVENT, THE LOST GAS HAS NOT YET BEEN CALCULATED. (IT IS NOT ESTIMATED TO EXCEED ANY PHMSA REPORTING THRESHOLD.) ONCE COMPLETE A SUPPLEMENTAL REPORT WILL BE SUBMITTED. 12/03/2019 - SUPPLEMENTAL CREATED - ADDED LINE PUNCTURE INFORMATION AND LOST GAS TOTALS. WILL CLOSE THE REPORT WHEN PAVEMENT RESTORATION IS COMPLETE. 09/23/2020 - ADDED AMOUNT OF GAS LOST AND UPDATED COST INFORMATION. ALSO ADDED NEWLY REQUIRED FIELDS. 12/04/2019- ADDITIONAL QUESTIONS RESPONSE TO THE ONE CALL: PGS SENT A MARKED RESPONSE TO LOCATE TICKED 274903389. THE RESPONSE WAS SENT WITHIN THE REQUIRED TIMEFRAME. THE TRACER WIRE WAS AFFIXED TO THE TOP OF THE PIPELINE. EXCAVATOR CLEARANCE: MASTEC INDICATED THEY DISCOVERED A GREY PIPE WHILE SPOTTING THE GAS FACILITY AND ASSUMED IT WAS THE GAS MAIN. THEY MOVED TO A DIFFERENT LOCATION AND STRUCK THE ACTIVE LINE. SERVICES INTERRUPTED: THERE WERE NO CUSTOMERS ON THE ISOLATED SECTION OF MAIN. SQUEEZING OF THE LINE: THE LINE WAS SQUEEZED OFF AT 12:00 PM BY APPLYING TWO 6"" MUSTANG SQUEEZE OFFS. THE DAMAGED SECTION WAS REPLACED WITH A 5' PIECE OF PRETESTED 6"" PE PIPE.