{"operation":"document","citation":"P-81-022","title":"NTSB Safety Recommendation P-81-022","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1981-08-03","effective_on":"1981-08-03","summary":"THE NTSB RECOMMENDS THAT THE MISSOURI POWER & LIGHT COMPANY: INSTALL ALARMS ON THE EXISTING GAS PRESSURE AND GAS FLOW TELEMETERING EQUIPMENT TO PROMPTLY ALERT OPERATORS TO EMERGENCY CONDITIONS SUCH AS LINEBREAKS WHICH ARE EVIDENCED BY ABNORMALLY HIGH GAS FLOW RATES OR PRESSURE REDUCTIONS.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-022.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-022.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-022","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-81-022","body":"NTSB safety recommendation P-81-022.\n\nTHE NTSB RECOMMENDS THAT THE MISSOURI POWER & LIGHT COMPANY: INSTALL ALARMS ON THE EXISTING GAS PRESSURE AND GAS FLOW TELEMETERING EQUIPMENT TO PROMPTLY ALERT OPERATORS TO EMERGENCY CONDITIONS SUCH AS LINEBREAKS WHICH ARE EVIDENCED BY ABNORMALLY HIGH GAS FLOW RATES OR PRESSURE REDUCTIONS.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1981-08-03\n\nAdopted Date: 1981-07-24\n\nOverall Date Closed: 2001-12-21\n\nSynopsis: ON JANUARY 8, 1981, A 2-INCH-DIAMETER PLASTIC GAS MAIN PULLED APART AT A COMPRESSION COUPLING UNDER AN ALLEY IN DOWNTOWN MEXICO, MISSOURI. NATURAL GAS AT 43-PSIG PRESSURE ESCAPED AND MIGRATED THROUGH A SANITARY SEWER INTO A NEARBY BUILDING WHERE IT WAS IGNITED BY AN UNDETERMINED SOURCE AT APPROXIMATELY 10:25 P.M. THE EXPLOSION AND FIRE DESTROYED A COMMERCIAL BUILDING, SEVERELY DAMAGED AN ADJACENT BUILDING, BROKE NEARBY WINDOWS, AND DAMAGED SEVERAL VEHICLES. THERE WERE NO FATALITIES; HOWEVER, THREE FIREFIGHTERS WERE INJURED WHILE FIGHTING THE FIRE.\n\nNtsbnumber: FTW81FP005\n\nReport Number: None\n\nAddressee Name: Missouri Power and Light Company\n\nAddressee Status: Closed - Acceptable Action\n\nAddressee Date Closed: 2001-12-21\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1982-10-12\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: MISSOURI POWER AND LIGHT COMPANY LETTER: WITH REGARD TO P-81-22, WE HAVE SOME TELEMETERING ON OUR SYSTEM NOW. WE HAVE EXPLORED, AND WILL CONTINUE TO EXPLORE THE FEASIBILITY OF ADDING MORE. AS I MENTIONED IN RESPONSE TO A SIMILAR RECOMMENDATION (P-82-36) IN MY LETTER TO YOU OF OCTOBER 7, 1982, WE HAVE SOME RESERVATIONS ABOUT THE EFFECTIVENESS OF SUCH A SYSTEM.\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 2001-12-12\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: The company has installed alarms on existing signals from pressure transmitters that alarm in the event of high pressure drops on its major receipt points, including the one involved in the accident. Based on this information, Safety Recommendation P-81-22 is administratively classified \"Closed--Acceptable Action.\"\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1982-12-30\n\nCommunication Type: Official Correspondence\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1982-10-08\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":2449}