{"operation":"document","citation":"P-72-036","title":"NTSB Safety Recommendation P-72-036","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1972-11-08","effective_on":"1972-11-08","summary":"THE NTSB RECOMMENDS THAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS GAS PIPING STANDARDS COMMITTEE: CONDUCT, IN CONJUNCTION WITH THE AMERICAN GAS ASSOCIATION, A STUDY OF THE STRESS EFFECTS OF VARIOUS TYPES OF SOILS AND BACKFILL ON SERVICE LINE-GAS MAIN CONNECTIONS. AS A RESULT OF THIS STUDY, GUIDELINES SHOULD BE ISSUED FOR INSTALLING UNDERGROUND GAS-PIPING SYSTEMS.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-72-036.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-72-036.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-72-036","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-72-036","body":"NTSB safety recommendation P-72-036.\n\nTHE NTSB RECOMMENDS THAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS GAS PIPING STANDARDS COMMITTEE: CONDUCT, IN CONJUNCTION WITH THE AMERICAN GAS ASSOCIATION, A STUDY OF THE STRESS EFFECTS OF VARIOUS TYPES OF SOILS AND BACKFILL ON SERVICE LINE-GAS MAIN CONNECTIONS. AS A RESULT OF THIS STUDY, GUIDELINES SHOULD BE ISSUED FOR INSTALLING UNDERGROUND GAS-PIPING SYSTEMS.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1972-11-08\n\nAdopted Date: 1972-11-08\n\nOverall Date Closed: 1976-09-10\n\nSynopsis: ON OCTOBER 4, 1971, A SMALL EXPLOSION AND INTENSE FIRE COMPLETELY DESTROYED A HOUSE AT 8300 JERRIE JO DRIVE NORTH RICHLAND HILLS, TEXAS. THIS ACCIDENT CAUSED THE DEATHS OF A FATHER AND HIS TWO SONS AND THE SEVERE BURNING OF THEIR MOTHER. ALMOST 3 HOURS LATER, THE NEIGHBORING HOUSE AT 8304 JERRIE JO EXPERIENCED AN EXPLOSION AND FIRE IN THE GARAGE WHICH CAUSED THE DEATH OF THE WOMAN OCCUPANT AND EXTENSIVE DAMAGE TO THE GARAGE.\n\nNtsbnumber: PLD72XR006\n\nReport Number: PAR-72-03\n\nAddressee Name: American Society of Mechanical Engineers\n\nAddressee Status: Closed--No Longer Applicable\n\nAddressee Date Closed: 1976-09-10\n\nAddressee Acronym: ASME\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1974-07-23\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: LETTER FROM ASME: THE ASME DISTRIBUTION SUBCOMMITTEE CONDUCTED A SURVEY OF SEVERAL COMPANIES. BASED ON THE RESULTS OF THE SURVEY, IT IS THE CONCLUSION THAT THE INCIDENCE OF FAILURE DUE TO SOIL STRESS IS NOT SUFFICIENT TO WARRANT THE SUBSTANTIAL EXPENSE OF THE RECOMMENDED STUDY AND THE PRESENT OPS RULES, TOGETHER WITH THE ASME GUIDE MATERIAL, PROVIDE ADEQUATE COVERAGE IN THIS AREA. 4/76 - THE 1976 EDITION OF THE GUIDE WAS PUBLISHED AND INCLUDED THE RECOMMENDED MATERIAL.","truncated":false,"body_characters":1832}