# NTSB Safety Recommendation P-73-046

- **operation:** document
- **citation:** P-73-046
- **title:** NTSB Safety Recommendation P-73-046
- **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: DEVELOP A SECTIONALIZING PROGRAM OF ITS HIGH-PRESSURE DISTRIBUTION SYSTEM SO THAT PREPLANNED PROCEDURES ARE AVAILABLE TO ISOLATE ANY SECTION OF ITS SYSTEM IN AN EMERGENCY.
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- **source url:** https://data.ntsb.gov/carol-main-public/sr-details/P-73-046
**body:**

NTSB safety recommendation P-73-046.

THE NTSB RECOMMENDS THAT THE ATLANTIC GAS LIGHT COMPANY: DEVELOP A SECTIONALIZING PROGRAM OF ITS HIGH-PRESSURE DISTRIBUTION SYSTEM SO THAT PREPLANNED PROCEDURES ARE AVAILABLE TO ISOLATE ANY SECTION OF ITS SYSTEM IN AN EMERGENCY.

Priority: CLASS II

Overall Status: Closed - Acceptable Action

Issued Date: 1973-08-24

Adopted Date: 1973-08-16

Overall Date Closed: 1976-07-20

Synopsis: 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.

Ntsbnumber: PLD72XR005

Report Number: PAR-73-03

Addressee Name: Atlanta Gas Light Company

Addressee Status: Closed--No Longer Applicable

Addressee Date Closed: 1976-07-20

Addressee Acronym: AGL

Addressee Organization Type: P-Private Industry

Communication Date: 1974-07-12

Communication Type: Official Correspondence

Communication Contents: LETTER FROM ATLANTA GAS LIGHT COMPANY: THROUGHOUT THE HIGH-PRESSURE DISTRIBUTION SYSTEM A SUFFICIENT NUMBER OF VALVES HAVE BEEN INSTALLED TO ALLOW FOR ISOLATION OF A SPECIFIC SECTION OF THE SYSTEM IN EMERGENCY SITUATIONS. A PROGRAM IS UNDERWAY TO UPDATE OUR "CUT-OFF DISTRICT PLAN" TO PROVIDE PREPLANNED PROCEDURES FOR ISOLATING THE VARIOUS SECTIONS OF THE SYSTEM.
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