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boiler tubes
Reason for action: Original tubes are at the end of service life
Drawing/Specs: 2 1/4" x 6M long seamless boiler tubing
Material: High quality pressure vessel grade steel manufactured in Germany
Skills required:
Purchase cost: $18,000.00
Progress: We have 5/120 tubes to go! Keep the donations coming!
GRIT BLAST
Reason for action: This process will allow us to preserve 520’s clothing for a longer time period due to the quality of the paint, as well as providing the best possible surface for painting top coats.
Skills required: Grit Blasting & Coating
Purchase cost: $2,850.00
Progress: We have sent all of 520s clothing to a grit blaster
We have $2,310.00 to go!
smokebox material
Reason for action: Wastage beyond serviceability
Drawing/Specs: 520 class Smokebox Arrangement
Material: 10mm & 16mm mild steel rolled to a radius
Skills required: Plate rolling
Progress: This component has been successfully funded!
Fire grates
Reason for action: 12 Replacements needed
Drawing/Specs: 520/620 fire grates
Material: SG Iron
Skills required: Casting
Casting cost: $350.00 per grate
Progress: This component has been successfully funded!
Flue safe ending
Reason for action: Grit blasted second hand flues and existing flues need re-ending.
Drawing/Specs: Lengths extended to 6M by welding on one piece to pressure vessel spec.
Material: Existing seamless flue tubing
Skills required: Pressure vessel welding & radiographing
Fabrication/Testing cost: $220.00 per flue (18 Flues)
Progress: This component has been successfully funded!
Grit blasting of flues
Reason for action: Determine condition of 30 flues
Skills required: Grit Blasting
Component/Service cost: $120.00 per flue
Progress: This component has been successfully funded!
Gamma ray testing of boiler
Reason for action: Certification requirement
Drawing/Specs: 520 class Boiler Arrangement
Skills required:
Component/Service cost: $3,000.00
Progress: This component has been successfully funded!
Rivets for new smokebox
Reason for action: Originals destroyed - 75 needed
Material: Forged mild steel
Skills required: Forging
Component/Service cost: $800.00
Progress: This component has been successfully funded!
tender electrical system
Reason for action: Original electrical system corroded beyond use
Drawing/Specs: 520 class electrical systems
Material: New rigid steel conduit, classic style flexible steel conduit & LED conversion
Skills required: Electrical fitting
Consumables cost: $800.00
Progress: We have This component has been successfully funded!
BOILER PAINT
Reason for action: The boiler is due to be grit blasted and will need a fresh coat of inorganic zinc paint.
Skills required: Painting
Purchase cost: $600.00
Progress: This component has been successfully funded!
Blast nozzle
Reason for action: Cracked and wasted
Drawing/Specs: 520/620 blast nozzle
Material: SG Iron
Skills required: Casting
Casting Cost: $500.00
Progress: This component has been successfully funded!
Plate to cover oil burner holes
Reason for action: Safety requirement
Material: 250 grade mild steel
Skills required: Profile cutting
Progress: This component has been successfully funded!
Boiler Backhead
Fire Grate
Old Blast Nozzle
Flues Pre Blasting
Driver's View
Cab Floor
Firebox Grates Removed
Flues Pre Blasting
Smokebox
Racks
Fire Grates
Oil Burner Hole
Blast Pipe
Smokebox
Oil Burner Holes