Re: CFR 49 part 230.31 (b)
Author: RKS
Date: 10-20-2009 - 23:26

Seems to me the last tube job was around 1996 or 1997. It was unplanned, but some tube pitting was found shortly before a scheduled trip and caused some concern.

As I recall, the whole job including pulling superheater units, cutting out the tubes, doing a complete ultrasound of the barrel from the inside and of the stayed areas from the outside, getting the new tubes, putting them in, rolling, seal welding, and reinstalling the units took a couple of weeks.

The trip went off without a problem and no one knew the difference.



Subject Written By Date/Time (PST)
  4449 Tube Time? SBF 10-20-2009 - 15:08
  Re: 4449 Tube Time? Mike Swanson 10-20-2009 - 17:08
  CFR 49 part 230.31 (b) Robby Peartree 10-20-2009 - 20:34
  Re: CFR 49 part 230.31 (b) RKS 10-20-2009 - 23:26
  Re: 4449 Tube Time? Earl Pitts 10-21-2009 - 18:27
  Re: 4449 Tube Time? Mike Swanson 10-21-2009 - 21:13
  Re: 4449 Tube Time? RKS 10-21-2009 - 07:08
  Re: 4449 Tube Time? 4449Fan 10-21-2009 - 07:54
  Re: 4449 Tube Time? Sam Reeves 10-21-2009 - 09:46
  What About The Great One ???? NW Steam Fan 10-21-2009 - 11:18
  Re: What About The Great One ???? Rich Hunn 10-21-2009 - 19:06
  Re: What About The Great One ???? Jerry Huck 10-22-2009 - 08:14
  Re: What About The Great One ???? LarryB 10-21-2009 - 20:55
  Re: What About The Great One ???? Old Rivets 10-22-2009 - 16:40
  Re: What About The Great One ???? Smokebox 10-22-2009 - 18:40
  Re: What About The Great One ???? Jerry Huck 10-22-2009 - 18:56


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