Boiler Backhead Repair

The bottom 12" of the backhead of the boiler was severely wasted on the water side, so we had to remove and replace it.
He is the back of the boiler after we cut the piece of plate out:
 

And here's the plate itself:

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The boiler stays keep the inner and outer firebox the correct distance apart:

 
Note the wastage around the mud hole door opening, which was built up with weld:
 






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