{"operation":"document","citation":"P-81-009","title":"NTSB Safety Recommendation P-81-009","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1981-05-13","effective_on":"1981-05-13","summary":"TO THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION OF THE U.S. DEPARTMENT OF TRANSPORTATION: Initiate rulemaking to require the installation of excess flow valves on all newly installed or renewed high-pressure gas distribution system service lines with priority given to service lines supplying schools, churches, and other places of public assembly. (Superseded by P-81-38 through P-81-39)","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-009.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-009.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-009","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-81-009","body":"NTSB safety recommendation P-81-009.\n\nTO THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION OF THE U.S. DEPARTMENT OF TRANSPORTATION: Initiate rulemaking to require the installation of excess flow valves on all newly installed or renewed high-pressure gas distribution system service lines with priority given to service lines supplying schools, churches, and other places of public assembly. (Superseded by P-81-38 through P-81-39)\n\nPriority: CLASS II\n\nOverall Status: Closed - Superseded\n\nIssued Date: 1981-05-13\n\nAdopted Date: 1981-04-28\n\nOverall Date Closed: 1982-10-25\n\nSynopsis: ON OCTOBER 9, 1980, A 2-INCH-DIAMETER COMPRESSION COUPLING LOCATED ON THE UPSTREAM SIDE OF A GAS METER SET ASSEMBLY IN THE BOILERROOM OF THE SIMON KENTON HIGH SCHOOL IN INDEPENDENCE, KENTUCKY, PULLED OUT OF ITS CONNECTION WITH A 2-INCH-DIAMETER GAS SERVICE LINE. NATURAL GAS AT 165-PSIG PRESSURE ESCAPED THROUGH THE 2-INCH-DIAMETER OPENING AND, SECONDS LATER, EXPLODED AND BURNED. A BASEMENT WALL WAS BLOWN DOWN, AN ADJACENT CLASSROOM WAS DAMAGED, AND ONE STUDENT WAS KILLED. ABOUT 30 MINUTES LATER, A SECOND EXPLOSION OCCURED, WHICH INJURED 37 PERSONS AND EXTENSIVELY DAMAGED THE SHCOOL. THE GAS SERVICE LINE WAS CONNECTED TO A 4-INCH-DIAMETER GAS MAIN OWNED BY THE UNION LIGHT, HEAT AND POWER COMPANY (GAS COMPANY), WHICH WAS UPRATING THE GAS MAIN BY CONTROLLED PRESSURE INCREASES AT THE TIME OF THE ACCIDENT.\n\nKeywords: Excess Flow Valves\n\nNtsbnumber: DCA81AP001\n\nReport Number: PAR-81-01\n\nAddressee Name: RSPA\n\nAddressee Status: Closed - Superseded\n\nAddressee Date Closed: 1982-10-25\n\nAddressee Acronym: RSPA\n\nAddressee Organization Type: G-Federal Government\n\nCommunication Date: 1982-08-11\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: RSPA (MTB) LTR: THIS RESPONSE WAS DIRECTED AT P-81-38 AND 39 BUT IT APPLIES TO P-81-9 IN THAT IT ADDRESSES PLANS BY RSPA FOR HANDLING THE EXCESS FLOW VALVE ISSUE.\n\nAddressee Acronym: RSPA\n\nAddressee Organization Type: G-Federal Government\n\nCommunication Date: 1982-10-25\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":2064}