Railworthiness Directive for Railroad Tank Cars Equipped With Certain McKenzie Valve & Machining LLC Valves
Keywords: Railworthiness Directive; Hazerdous Materials; Valve; Tank Cars
Abstract: This Directive requires railroad tank car owners to replace unapproved valves currently installed in some tank cars. The valves in question are UNNR ball valves manufactured and...
Keywords: Continuous Welded Rail; CWR
Railroad Bridge Safety—Explanation and Amplification of FRA’s ‘‘Statement of Agency Policy on the Safety of Railroad Bridges."
Keywords: Bridge and Structures Safety
Provides recommended practices for the testing, classification, and reuse of second-hand rail. The purpose of the safety advisory is to reduce the number of rail defects that occur when second-hand rail is used.
Keywords: broken rail ; NTSB ; precipitation of internal hydrogen