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Safety Recommendation Details

Safety Recommendation P-78-011
Details
Synopsis: ON JULY 20, 1977, A 12-INCH PROPANE PIPELINE, OWNED BY THE CONSOLIDATED GAS SUPPLY CORPORATION, RUPTURED NEAR THE TOWN OF RUFF CREEK, PENNSYLVANIA. THE LIQUID ESCAPED FROM THE PIPELINE, VAPORIZED, AND PROPANE VAPORS SETTLED LIKE A FOG OVER THE BOTTOM OF A VALLEY. TWO MEN IN A PICKUP TRUCK ENTERED THE PROPANE CLOUD; THE TRUCK STALLED AND THE PROPANE GAS IGNITED WHEN AN ATTEMPT WAS MADE TO RESTART THE TRUCK. THE 2 PERSONS IN THE TRUCK WERE KILLED.
Recommendation: THE NTSB RECOMMENDS THAT THE MATERIALS TRANSPORTATION BUREAU OF THE U. S. DEPARTMENT OF TRANSPORTATION: INCLUDE IN PROPOSED 49 CFR 195 REGULATIONS, PROVISIONS FOR CHECKING NATURAL GAS PIPELINES THAT ARE BEING CONVERTED TO LIQUEFIED PETROLEUM GAS (LPG) SERVCE FOR STRESS-CORROSION CRACKING.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Pipeline
Location: Ruff Creek, PA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA77MP027
Accident Reports:
Consolidated Gas Supply Corporation, Propane Pipeline Rupture and Fire
Report #: PAR-78-01
Accident Date: 7/20/1977
Issue Date: 2/8/1978
Date Closed: 9/3/1985
Addressee(s) and Addressee Status: RSPA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: RSPA
Date: 9/3/1985
Response:

From: RSPA
To: NTSB
Date: 3/21/1983
Response: RSPA LETTER: DOT HAS FULFILLED THIS RECOMMENDATION THROUGH A COMBINATION OF INDEPTH STUDIES, AND BY THE PROMULGATION OF TWO RELATED RULEMKAING ACTIONS WHICH, TOGETHER, ARE DESIGNED TO REDUCE THE LIKELIHOOD OF INCIDENTS INVOLVING STRESS CORROSION CRACKING. MTB PUBLISHED A FINAL RULE, EFFECTIVE OCTOBER 1980, WHICH DISALLOWED ONSHORE INTERSTATE PIPELINE FACILITIES TO TRANSPORT HIGHLY VOLATILE LIQUIDS UNLESS THEY HAD BEEN HYDROSTATICALLY TESTED IN ACCORDANCE WITH SUBPART E OF 49 CFR 195.

From: NTSB
To: RSPA
Date: 6/3/1980
Response:

From: RSPA
To: NTSB
Date: 9/12/1978
Response: MTB LTR: THE STUDY OF STRESS CORROSION CRACKING, THE SUBJECT OF RECOMMENDATION P-78-11, WAS INCLUDED IN A RECENT CONTRACT WITH ASL ENGINEERING INCORPORATED. WE ARE CURRENTLY REVIEWING THE FINAL REPORT ENTITLED "ENVIRONMENTALLY INDUCED CRACKING OF NATURAL GAS AND LIQUID PIPELINES."