Nombre: 9464398
Country: Ireland
Source: TED
Moneypoint Overhaul Mechanical Services Framework Agreement 2018-2019
The work to be provided under the Framework Agreement (FWA) will be a wide range of mechanical work in Moneypoint generating station and will include repair and general mechanical work during the plant"s scheduled overhauls in 2018-19.
Heat Recovery Area Refurbishment
Moneypoint Generating Station
— Replacement of tube shields,
— Repair of boiler tubes,
— Removal/reinstatement of tube samples,
— Cutting/reinstatement of heavy wall high-temperature headers for inspection,
— Opening/closing of boiler pressure vessels,
— Fabrication and installation of boiler components,
— Ash screen repairs,
— Crack repairs of boiler headers and casing,
— Boiler structural repairs.
Ductwork Refurbishment
— Replacement of boiler ducting expansion joints,
— Plating repairs of ducting,
— Replacement and repair of ducting structural members,
— Replacement of protective shielding in ducting,
— Fabrication of ductwork components.
Wet Ash System Overhaul
— Replacement of valves and pipework,
— Hyjector refurbishment and replacement,
— Crusher removal, overhaul and replacement,
— Internal boiler work on structural steelwork and refractory support steel,
— Pump drive train removal and reinstatement,
— Ash gate refurbishment,
— Actuator removal and replacement.
Mill Refurbishment
— Enabling works for internal access including chocking,
— Inspection, repair/replacement of ribbon conveyors,
— Refurbish mill lubrication systems,
— Replace trunnion seals,
— Inspection/repair of BSO, dampers, gates,
— Replace/repair mill expansion joints,
— Overhaul mill feeders,
— Removal of 6.6kV drive motors, gearboxes and pinions. Reinstatement and alignment,
— Overhaul of mill fire fighting internals.
Sootblower Overhaul
— Refurbish steam valves,
— Refurbish drive gearboxes,
— Inspect/replace lances,
— Inspect/repair chain and sprocket drive system, rollers and seals,
— Inspect carriage rail,
— Repair scraper plate and seal box including supports,
— General lubrication.
Burner Overhaul
— Oil skid improvements and refurbishment of existing components,
— Repair of dampers and actuators,
— Removal, inspection and repair of gun assemblies,
— Inner barrel inspection and repairs,
— Outer barrel inspection and repairs,
— Weld repairs of cracking on outer barrel coal nozzles.
Dry Ash System Refurbishment
— Removal and reinstatement of pipework and vessels for cleaning and inspection,
— Valve refurbishment and replacement,
— Replacement of bellows and screens,
— Internal precip repairs,
— Internal structural repairs to precip and economiser hoppers.
Pipework, Headers and Blowdown Tank Refurbishment
— Fabrication of drain headers,
— Installation of headers,
— Replacement of pipework,
— Tank refurbishment.
Mechanical NDT Prep and Repairs
— Surface preparation for NDT,
— Enabling works for internal inspections,
— Weld repairs to components damaged by FAC, cracking etc,
— Plate replacement to pressure vessels.
Turbine Balance of Plant
— Opening/closing pressure vessels using specialist equipment,
— Pump inspection and repairs,
— Condenser repairs,
— Heat exchanger inspection, repair and replacement of parts,
— CW equipment repairs,
— Replacement of large CW pumps.
SCR Catalyst Layer Replacement
— Removal and replacement of SCR catalyst elements.
SCR Balance of Plant
— Enabling works for catalyst cleaning,
— Sampling of existing catalyst elements,
— Ammonia pipework and valve refurbishment,
— Blower replacement.
FGD Balance of Plant
— Opening/closing vessels for inspection,
— Removal and replacement of safety valves,
— Air slide replacement,
— Service and replacement of blowers, fans, compressors,
— Inspection, cleaning and replacement of fabric filter bags and cages,
— Hopper structural repairs and replacement of level probes,
— Repair/replacement of screw feeders, gearboxes, motors.
FGD Absorber Repairs
— Inspection and repair of absorber steelwork,
— Recoating of steelwork.
FGD Clean Gas Chamber Refurbishment
— Inspection and repair of clean gas chamber rotating manifolds,
— Repairs to fabric filter cleaning system.