NTSB Safety Recommendation P-78-011

NTSB safety recommendation P-78-011.

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.

Priority: CLASS III

Overall Status: Closed - Acceptable Action

Issued Date: 1978-02-08

Adopted Date: 1978-01-12

Overall Date Closed: 1985-09-03

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.

Ntsbnumber: DCA77MP027

Report Number: PAR-78-01

Addressee Name: RSPA

Addressee Status: Closed - Acceptable Action

Addressee Date Closed: 1985-09-03

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1978-09-12

Communication Type: Official Correspondence

Communication Contents: 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."

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1983-03-21

Communication Type: Official Correspondence

Communication Contents: 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.

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1985-09-03

Communication Type: Official Correspondence

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1980-06-03

Communication Type: Official Correspondence