P-77-005
P-77-005
NTSB safety recommendation P-77-005.
DEVELOP GUIDELINES TO ASSIST OPERATORS DURING EMERGENCIES TO PROMPTLY ISOLATE LEAKING SEGMENTS OF PIPE IN A LOW-PRESSURE SYSTEM.
Priority: CLASS III
Overall Status: Closed - Acceptable Action
Issued Date: 1977-06-08
Adopted Date: 1977-05-18
Overall Date Closed: 1985-07-29
Synopsis: ON AUGUST 8, 1976, A GAS EXPLOSION DESTROYED A HOUSE AT 1127 OAK STREET, ALLENTOWN, PENNSYLVANIA. THE GAS MIGRATED FROM A BREAK IN A 4-INCH CAST-IRON MAIN UNDER THE STREET, THROUGH LOOSE SOIL UNDER A CONCRETE SIDEWALK, AND INTO THE BUILDING THROUGH CRACKS AND OPENINGS IN ITS FOUNDATION.
Ntsbnumber: DCA76MP024
Report Number: PAR-77-02
Addressee Name: American Society of Mechanical Engineers
Addressee Status: Closed - Acceptable Action
Addressee Date Closed: 1985-07-29
Addressee Acronym: ASME
Addressee Organization Type: A-Associations
Communication Date: 1978-09-06
Communication Type: Official Correspondence
Communication Contents: ASME LTR: ASME-GPSC IS REVIEWING THIS RECOMMENDATION.
Addressee Acronym: ASME
Addressee Organization Type: A-Associations
Communication Date: 1985-07-29
Communication Type: Official Correspondence
Addressee Acronym: ASME
Addressee Organization Type: A-Associations
Communication Date: 1978-05-01
Communication Type: Official Correspondence
This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.