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Safety Recommendation Details

Safety Recommendation P-76-011
Details
Synopsis: ON APRIL 22, 1974, A MASSIVE, LOW-ORDER EXPLOSION DEMOLISHED THE WEST WALL OF A 25-STORY COMMERCIAL BUILDING AT 305 EAST 45TH STREET IN NEW YORK, NEW YORK. THE STRUCTURE OF THE ADJACENT BUILDING WAS DAMAGED AND GLASS WAS BROKEN IN OTHER BUILDINGS IN THE AREA. GLASS FRAGMENTS AND SLIVERS WERE BLOWN INTO 46TH STREET, WHERE THEY LAY 1 INCH DEEP IN PLACES. NO PERSONS WERE KILLED, BUT MORE THAN 70 PERSONS WERE INJURED.
Recommendation: EXPEDITE ITS REVIEW OF THE STUDY OF "RAPID SHUTDOWN OF FAILED PIPELINE SYSTEMS AND LIMITING OF PRESSURE TO PREVENT PIPELINE FAILURE DUE TO OVERPRESSURE" AND DETERMINE WHAT REGULATORY ACTION IS NECESSARY CONCERNING THE USE OF EXCESS FLOW VALVES.
Original recommendation transmittal letter: PDF
Overall Status: Closed--No Longer Applicable
Mode: Pipeline
Location: New York, NY, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: 80187
Accident Reports:
Consolidated Edison Company, Explosion
Report #: PAR-76-02
Accident Date: 4/22/1974
Issue Date: 4/19/1976
Date Closed: 12/29/1978
Addressee(s) and Addressee Status: RSPA (Closed--No Longer Applicable)
Keyword(s): Excess Flow Valves

Safety Recommendation History
From: NTSB
To: RSPA
Date: 12/29/1978
Response:

From: RSPA
To: NTSB
Date: 7/30/1976
Response: