{"operation":"document","citation":"P-73-045","title":"NTSB Safety Recommendation P-73-045","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1973-08-24","effective_on":"1973-08-24","summary":"THE NTSB RECOMMENDS THAT THE ATLANTIC GAS LIGHT COMPANY: TAKE WHATEVER REMEDIAL ACTION IS NECESSARY TO REDUCE THE POSSIBILITY OF BREAKAGE OF CAST-IRON MAINS. THIS ACTION SHOULD INCLUDE REPLACEMENT OF THOSE SECTIONS OF CAST-IRON MAIN SUSCEPTIBLE TO FAILURE.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-73-045.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-73-045.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-73-045","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-73-045","body":"NTSB safety recommendation P-73-045.\n\nTHE NTSB RECOMMENDS THAT THE ATLANTIC GAS LIGHT COMPANY: TAKE WHATEVER REMEDIAL ACTION IS NECESSARY TO REDUCE THE POSSIBILITY OF BREAKAGE OF CAST-IRON MAINS. THIS ACTION SHOULD INCLUDE REPLACEMENT OF THOSE SECTIONS OF CAST-IRON MAIN SUSCEPTIBLE TO FAILURE.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1973-08-24\n\nAdopted Date: 1973-08-16\n\nOverall Date Closed: 1976-07-20\n\nSynopsis: A GAS EXPLOSION OCCURRED ON AUGUST 31, 1972 IN THE ANNEX BUILDING OF AN ATLANTA, GA., HIGH SCHOOL. GAS HAD LEAKED INTO THE BUILDING FROM A CRACKED CAST-IRON MAIN LOCATED BENEATH THE STREET IN FRONT OF THE ANNEX. ATLANTA GAS LIGHT COMPANY (AGL) PERSONNEL ARRIVED AT THE LEAK SITE APPROXIMATELY 1 HOUR AFTER AGL WAS FIRST NOTIFIED OF THE LEAK AND APPROXIMATELY 1/2 HOUR BEFORE THE EXPLOSION. ONE PERSON DIED AND SEVEN OTHERS WERE INJURED AS A RESULT OF THE ACCIDENT.\n\nNtsbnumber: PLD72XR005\n\nReport Number: PAR-73-03\n\nAddressee Name: Atlanta Gas Light Company\n\nAddressee Status: Closed--No Longer Applicable\n\nAddressee Date Closed: 1976-07-20\n\nAddressee Acronym: AGL\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1974-07-12\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: LETTER FROM ATLANTA GAS LIGHT COMPANY: AGL HAS FOR YEARS EVALUATED ITS EXISTING CAST-IRON SYSTEM AND WHEREVER FEASIBLE THE CAST-IRON MAIN HAS BEEN ABANDONED. FOR THE LAST FEW YEARS ALL LEAKS HAVE BEEN PLOTTED ON A MAP TO DETERMINE IF ANY SPECIFIC LOCATIONS HAVE MORE LEAKS THAN OTHERS. (CORROSION OR CAST-IRON BREAKS.) REPAIR RECORDS ARE MAINTAINED AND, IF A PATTERN OF BREAKAGE OF CAST-IRON MAINS IS EVIDENT, THE MAIN IS REPLACED. RECORDS WILL BE REVIEWED TO INSURE THAT ANY MAINS WHICH INDICATE ABNORMAL LEAKAGE WILL BE REPLACED.","truncated":false,"body_characters":1801}