[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR230.33]

[Page 328-329]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 230--STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS--Table of Contents
 
                  Subpart B--Boilers and Appurtenances
 
Sec. 230.33  Welded repairs and alterations.

    (a) Unstayed portions of the boiler containing alloy steel or carbon 
steel with a carbon content over 0.25 percent. Prior to welding on 
unstayed portions of the boiler, the steam locomotive owner and/or 
operator shall submit a written request for approval to the FRA Regional 
Administrator. If the approval is granted, the steam locomotive owner 
and/or operator shall perform any welding to unstayed portions of the 
boiler in accordance with an accepted national standard for boiler 
repairs. The steam locomotive owner and/or operator shall satisfy 
reporting requirements in Sec. 230.20 at this time.
    (b) Unstayed portions of the boiler containing carbon steel not 
exceeding 0.25 percent carbon. The steam locomotive owner and/or 
operator shall perform any welding to unstayed portions of the boiler in 
accordance with an accepted national standard for boiler repairs. The 
steam locomotive owner and/or operator shall satisfy reporting 
requirements in Sec. 230.20 at this time.

[[Page 329]]

    (c) Wastage. The steam locomotive owner and/or operator shall submit 
a written request for approval to the FRA Regional Administrator before 
performing weld build up on wasted areas of unstayed surfaces of the 
boiler that exceed a total of 100 square inches or the smaller of 25 
percent of minimum required wall thickness or 1/2 inch. Wasted sheets 
shall not be repaired by weld build up if the wasted sheet has been 
reduced to less than 60 percent of the minimum required thickness as 
required by this part.
    (d) Flush patches. The steam locomotive owner and/or operator shall 
submit a written request for approval to the FRA Regional Administrator 
for the installation of flush patches of any size on unstayed portions 
of the boiler.
    (e) Stayed portions of the boiler. The steam locomotive owner and/or 
operator shall perform welded repairs or alterations on stayed portions 
of the boiler in accordance with established railroad practices, or an 
accepted national standard for boiler repairs. The steam locomotive 
owner and/or operator shall satisfy the reporting requirements in 
Sec. 230.20 at this time.