{"operation":"document","citation":"P-78-018","title":"NTSB Safety Recommendation P-78-018","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1978-07-06","effective_on":"1978-07-06","summary":"REQUIRE ITS EMPLOYEES TO FOLLOW COMPLETELY THE INSTRUCTIONS GIVEN BY ONE-CALL NOTIFICATION SYSTEMS.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-78-018.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-78-018.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-78-018","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-78-018","body":"NTSB safety recommendation P-78-018.\n\nREQUIRE ITS EMPLOYEES TO FOLLOW COMPLETELY THE INSTRUCTIONS GIVEN BY ONE-CALL NOTIFICATION SYSTEMS.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1978-07-06\n\nAdopted Date: 1978-05-18\n\nOverall Date Closed: 1983-01-27\n\nSynopsis: ON DECEMBER 1, 1977, A 12-INCH, CAST-IRON, HIGH-PRESSURE GAS MAIN OWNED BY THE ATLANTA GAS LIGHT COMPANY WAS RUPTURED BY AN 8-INCH STEEL I-BEAM PILE, WHICH WAS DRIVEN THROUGH THE PIPE AT A CONSTRUCTION SITE IN DOWNTOWN ATLANTA, GEORGIA. WHITHIN MINUTES, NATURAL GAS AT 10-PSIG PRESSURE MIGRATED THROUGH THE GROUND, ENTERED SEWER LINES AND ELECTRIC CONDUIT SYSTEMS, AND SPREAD INTO NEARBY BUILDINGS. THE GAS DID NOT IGNITE, BUT THOUSANDS OF PEOPLE WERE EVACUATED FROM NEARBY OFFICE BUILDINGS.\n\nNtsbnumber: DCA78MP003\n\nReport Number: PAR-78-03\n\nAddressee Name: George Hyman Construction Company\n\nAddressee Status: Closed--No Longer Applicable\n\nAddressee Date Closed: 1983-01-27\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1982-11-23\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: GEORGE HYMAN CONSTRUCTION COMPANY LTR: THE RECOMMENDATIONS THAT YOU OFFER ON PAGE 15 ARE IN EFFECT AT THE PRESENT TIME. ADDITIONALLY, WE SEND AN EXPERIENCED ENGINEER FROM OUR BETHESDA OFFICE TO CONTACT LOCAL OR OUT OF TOWN UTILITY OFFICES IN ORDER TO LOCATE ALL UTILITIES. WE THEN GENERATE DRAWINGS OF THE UTILITIES AND SEND THEM TO ALL INTERESTED UTILITY COMPANIES FOR VERIFICATION. LASTLY, WHEN CONSTRUCTION ACTIVITIES ARE WITHIN THREE FEET OF THE UTILITY, WE WILL HAND EXCAVATE TO IDENTIFY THEIR LOCATION IN AT LEAST THREE SEPARATE AREAS ON EACH SIDE OF THE PROJECT.\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1983-01-27\n\nCommunication Type: Official Correspondence\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1982-10-08\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":1945}