{"operation":"document","citation":"P-83-023","title":"NTSB Safety Recommendation P-83-023","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1983-09-07","effective_on":"1983-09-07","summary":"THE NTSB RECOMMENDS THAT THE MISSISSIPPI RIVER TRANSMISSION CORPORATION: PROVIDE CHECKLISTS TO SUPERVISORY PERSONNEL FOR MAJOR WORK PROJECTS TO IDENTIFY THE ESSENTIAL ACTIONS TO BE PERFORMED, BEFORE STARTING WORK AND WHILE WORK IS IN PROGRESS, TO ENSURE EMPLOYEE AND PUBLIC SAFETY.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-83-023.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-83-023.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-83-023","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-83-023","body":"NTSB safety recommendation P-83-023.\n\nTHE NTSB RECOMMENDS THAT THE MISSISSIPPI RIVER TRANSMISSION CORPORATION: PROVIDE CHECKLISTS TO SUPERVISORY PERSONNEL FOR MAJOR WORK PROJECTS TO IDENTIFY THE ESSENTIAL ACTIONS TO BE PERFORMED, BEFORE STARTING WORK AND WHILE WORK IS IN PROGRESS, TO ENSURE EMPLOYEE AND PUBLIC SAFETY.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1983-09-07\n\nAdopted Date: 1983-07-26\n\nOverall Date Closed: 1988-09-22\n\nSynopsis: ON OCTOBER 1, 1982, A 1/4-INCH-THICK STEEL PLATE, WHICH HAD BEEN WELDED BY A WORK CREW TO CAP TEMPORARILY THE OPEN END OF A SECTION OF A 22-INCH-DIAMETER GAS TRANSMISSION PIPELINE WHICH HAD BEEN ISOLATED BY CLOSING A GATE VALVE AND THEN GAS FREED, BLEW OFF UNDER AN INITIAL PRESSURE OF POSSIBLY 260 PSIG. RAPIDLY ESCAPING NATURAL GAS FROM THE PIPELINE, WHICH HAD ACCUMULATED DUE TO A LEAK IN THE GATE VALVE, IGNITED ALMOST IMMEDIATELY AND THE ENTIRE WORK AREA AND A PORTION OF U.S. ROUTE 65 WERE MOMENTARILY ENGULFED IN FLAMES. SEVEN PERSONS WHO WERE WORKING TO REPLACE A SECTION OF THE PIPELINE UNDER THE ROAD ABOUT 2 MILES SOUTH OF PINE BLUFF, ARKANSAS, WERE BURNED AND HOSPITALIZED. RESULTANT PROPERTY DAMAGE WAS MINIMAL.\n\nNtsbnumber: FTW83LA007\n\nReport Number: PAR-83-03\n\nAddressee Name: Mississippi River Transmission Corporation\n\nAddressee Status: Closed - Acceptable Action\n\nAddressee Date Closed: 1988-09-22\n\nAddressee Acronym: MRT\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1988-07-18\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: \"THE JOB SUPERINTENDENT'S DAILY MAINTENANCE AND CONSTRUCTION CHECK LIST\" FORM 783 IS TO BE UTILIZED ANY TIME AS MANY AS ONE ITEM ON LIST APPLIES.\n\nAddressee Acronym: MRT\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1988-06-08\n\nCommunication Type: Official Correspondence\n\nAddressee Acronym: MRT\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1988-09-22\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":2015}