{"operation":"document","citation":"P-74-020","title":"NTSB Safety Recommendation P-74-020","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1974-03-11","effective_on":"1974-03-11","summary":"THE NTSB RECOMMENDS THAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS GAS STANDARDS COMMITTEE: EXPAND THE GUIDELINES ON THE PREVENTION OF ACCIDENTAL IGNITION, TO PROVIDE FOR MORE COMPREHENSIVE GUIDANCE TO PIPELINE OPERATORS WHEN GAS IS DETECTED IN BUILDINGS AND STRUCTURES. THE GUIDELINES SHOULD INCLUDE SUCH SUBJECTS AS VENTILATION OF STRUCTURES, PROHIBITION OF ELECTRICAL SWITCH OPERATION, AND OCCUPANT EVACUATION. THI","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-020.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-020.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-020","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-74-020","body":"NTSB safety recommendation P-74-020.\n\nTHE NTSB RECOMMENDS THAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS GAS STANDARDS COMMITTEE: EXPAND THE GUIDELINES ON THE PREVENTION OF ACCIDENTAL IGNITION, TO PROVIDE FOR MORE COMPREHENSIVE GUIDANCE TO PIPELINE OPERATORS WHEN GAS IS DETECTED IN BUILDINGS AND STRUCTURES. THE GUIDELINES SHOULD INCLUDE SUCH SUBJECTS AS VENTILATION OF STRUCTURES, PROHIBITION OF ELECTRICAL SWITCH OPERATION, AND OCCUPANT EVACUATION. THIS WORK SHOULD BE COORDINATED WITH THE GUIDELINES CURRENTLY BEING DEVELOPED CONCERNING THE ACTION TO BE TAKEN BY THE FIRST GAS COMPANY EMPLOYEE ARRIVING AT THE SCENE OF AN EMERGENCY.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1974-03-11\n\nAdopted Date: 1974-02-27\n\nOverall Date Closed: 1976-09-10\n\nSynopsis: A gas explosion and fire occurred on December 9, 1972, in downtown Clinton, MO. Gas had leaked into a building from a cracked cast-iron main located behind the building. Missouri Public Service Company personnel arrived at the site of the reported leak 50 minutes before the explosion. Eight persons died, and seven others were injured.\n\nNtsbnumber: PLD73XR004\n\nReport Number: PAR-74-03\n\nAddressee Name: American Society of Mechanical Engineers\n\nAddressee Status: Closed--No Longer Applicable\n\nAddressee Date Closed: 1976-09-10\n\nAddressee Acronym: ASME\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1978-05-01\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":1473}