25 TPH Thermax biomass boiler installation

OVERVIEW

Full erection and installation of a 25 tonnes-per-hour Thermax biomass boiler, from the furnace structure and pressure parts to the electrostatic precipitator, 33 metre chimney, ash handling and steam piping.

SCOPE OF WORK

• Erection and installation of boiler sloped grate and furnace structure
• Erection of furnace MPA structure
• Erection and installation of economiser support structure, economiser main assembly, and inlet and outlet duct
• Erection of pressure parts, water wall assembly and site welding
• Erection and installation of boiler pressure part main shell assembly
• Erection of FD fan and PA fan
• Fabrication and erection of air ducting
• Erection and installation of feed water pumps
• Erection of FD fan and PA fan ducting to boiler gate chamber
• Fabrication and erection of platform and structure for main boiler, to Thermax drawings and supply
• Assembly and installation of fuel handling system
• Fabrication and erection of flue gas ducting from economiser to ESP
• Fabrication and erection of ESP support structure
• Fabrication and erection of ESP main casing assembly
• Erection and welding of ESP hopper
• Erection and installation of ESP internals
• Erection and installation of ID fan
• Erection and installation of 33 metre chimney with accessories
• Fabrication and installation of flue gas ducting and support from ESP to chimney
• Assembly and installation of ash handling system
• Fabrication, assembly and erection of ash silo
• Assembly and erection of dense phase ash system
• Assembly and erection of steam header
• Assembly and erection of deaerator and accessories
• Erection of IBR piping
• Erection of non-IBR piping
• Erection of steam piping
• Erection of compressed air piping
• Refractory works
• Assembly and erection of water softener plant
• Fabrication and erection of blowdown and drain piping and blowdown vessel
• Installation of boiler mountings and fittings to drawings
• Fabrication and erection of cable tray supports and cable trays for power, control and signal
• Manpower for insulation works to drawings
• Commissioning and handover support