NTSB Safety Recommendation P-81-017

Current as of 1981-07-28 Government source

National Transportation Safety BoardOfficial agency material

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NTSB safety recommendation P-81-017.

THE NTSB RECOMMENDS THAT THE WILLIAMS PIPE LINE COMPANY: REVISE ITS EQUIPMENT INSTALLATION PROCEDURES TO INCLUDE HYDROSTATIC TESTS IN ACCORDANCE WITH THE PROVISIONS OF 49 CFR 195.302, GENERAL REQUIREMENTS, AND 49 CFR 195.304, TESTING OF COMPONENTS.

Priority: CLASS II

Overall Status: Closed - Acceptable Alternate Action

Issued Date: 1981-07-28

Adopted Date: 1981-07-22

Overall Date Closed: 1982-07-08

Synopsis: ON APRIL 16, 1980, GASOLINE AT THE WILLIAMS PIPE LINE COMPANY'S MINNEAPOLIS TERMINAL IN ROSEVILLE, MINNESOTA, SPRAYED FROM THE FRACTURED CAST-IRON BASE OF A STATION BOOSTER PUMP AT 72 PSIG PRESSURE, VAPORIZED, AND EXPLODED AFTER IT WAS IGNITED BY THE ARCING OF AN ELECTRIC SWITCH IN THE MAINLINE PUMP CONTROL ROOM 50 FEET DOWNWIND OF THE BOOSTER PUMP.

Ntsbnumber: FTW80FP014

Report Number: PAR-81-03

Addressee Name: Williams Pipeline Company

Addressee Status: Closed--No Longer Applicable

Addressee Date Closed: 1982-07-08

Addressee Organization Type: P-Private Industry

Communication Date: 1982-07-08

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.