{"operation":"document","citation":"P-76-055","title":"NTSB Safety Recommendation P-76-055","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1976-09-15","effective_on":"1976-09-15","summary":"EQUIP EMERGENCY VEHICLES WITH COMBUSTIBLE GAS LEAK DETECTORS, DISTRIBUTION MAPS, AND OTHER NECESSARY WORK TOOLS.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-055.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-055.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-055","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-76-055","body":"NTSB safety recommendation P-76-055.\n\nEQUIP EMERGENCY VEHICLES WITH COMBUSTIBLE GAS LEAK DETECTORS, DISTRIBUTION MAPS, AND OTHER NECESSARY WORK TOOLS.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1976-09-15\n\nAdopted Date: 1976-07-07\n\nOverall Date Closed: 1980-08-12\n\nSynopsis: ON JANUARY 10, 1976, GAS WHICH WAS LEAKING INTO THE PATHFINDER HOTEL, IN FREMONT, NEBRASKA, IGNITED. THE GAS WAS LEAKING FROM A 2-INCH PLASTIC PIPE WHICH HAD PULLED OUT OF ITS COMPRESSION COUPLING; THE GAS SEEPED INTO THE HOTEL BECAUSE IT HAD BEEN CAPPED ABOVE BY FROZEN EARTH AND A CONCRETE ROAD SURFACE. THE HOTEL EXPLODED AND FIRE ENSUED; THE EXPLOSION AND FIRE DESTROYED THE HOTEL, DAMAGED NEARBY BUILDINGS, AND BROKE WINDOWS WITHIN A ONE-BLOCK RADIUS. THIRTY-NINE PERSONS WERE INJURED AND 20 PERSONS WERE KILLED.\n\nNtsbnumber: DCA76MP013\n\nReport Number: PAR-76-06\n\nAddressee Name: Nebraska Natural Gas Company\n\nAddressee Status: Closed--No Longer Applicable\n\nAddressee Date Closed: 1980-08-12\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1978-05-22\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: NEBRASKA NATURAL GAS COMPANY LTR: WE PRESENTLY FOLLOW A POLICY THAT WAS ESTABLISHED WITHIN A FEW DAYS FOLLOWING THE ACCIDENT OF CONNECTING PLASTIC DISTRIBUTION MAINS AND SERVICES TO STEEL IN THE FOLLOWING MANNER. WE FUSE A TRANSITION (PLASTIC TO STEEL) FITTING TO THE PLASTIC PIPE. WE THEN WELD THE STEEL TO STEEL OR CONNECT THE STEEL TO STEEL WITH A COMPRESSION COUPLING. IF A COMPRESSION COUPLING IS USED, WE, IN ALL APPLICATIONS, SPOT WELD, ELECTRICALLY, A 3/4\" STEEL STRAP FROM THE EXISTING STEEL MAIN TO THE STEEL PORTION OF THE TRANSITION FITTING, THUS PROVIDING A POSITIVE ANCHOR TO ELIMINATE EVERY LIKELIHOOD OF A JOINT SEPARATION. THE JOINT IS CATHODICALLY BONDED AND WRAPPED TO INSURE ITS LONGEVITY. WE HAVE CHECKED 99 PERCENT OF THE CONNECTIONS IN OUR SYSTEM COMPANY-WIDE ON PIPE SIZES ABOVE 1\" TO INSURE THAT NO FURTHER PULLOUTS OCCUR. 6/19/80 - NEBRASKA NATURAL GAS COMPANY LTR: THE COMPANY'S OPERATING PERSONNEL HAVE BEEN SPECIFICALLY TRAINED IN THE USE OF LEAK DETECTION EQUIPMENT. AFTER HOUR SERVICE VEHICLES ARE EQUIPPED WITH LEAK DETECTION DEVICES AND THE NECESSARY WORK TOOLS WITH DISTRIBUTION MAPS AVAILABLE.\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1980-08-12\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":2412}