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Installation of new furnace tube plate inserts and tack welding – lower tube plate (thickness 22mm). | ||
Installation of pre-assembled tube nest inside the boiler and tack welding. | ||
Tack welding inside combustion chamber. | ||
Welding of steam space tube plate to the steam space shell. | ||
Welds inside steam space on the furnace shell. | ||
Final welding work in the burner chamber | Closing hand holes and preparing the boiler for hydraulic test. | |
Magnetic test. | ||
Ultrasonic test. | ||
Re-install of outlet smoke chamber on oil fired side. | ||
Re-install exhaust gas pipe from oil fired section on the boiler top side. | ||
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