Re-advertisement: Tenders are hereby invited for the provision of MAS workshop services including refurbishment of components at Kusile Power Station for a period of five (5) years. Specifications: 1. Pumps – Centrifugal pumps, multistage stage pumps, screw pumps, piston pumps. Pressure tests will be required on some of the pumps after overhauling, strip the pump to assess the damage, replace damaged/worn out parts and replace mechanical seals on pumps; 2. Valves – e.g., Butterfly valves, Gate, Knife, Slide, Globe valves. Pressure Tests will be required on PSV’s and PRV’s of the valves after overhauling. strip the valve to assess the damage, lap the valve and blue check, source weld satellite seat and machine and remove worn out parts, install or weld new parts; 3. Dome valves - Strip the dome valves to assess the damage and replace damaged seals; 4. Gearboxes - strip the gearbox to assess the damage. replace damaged parts e.g., drive shafts, bearings, seals, gears etc; 5. Fans, excluding the PA, ID and FD fans - Strip the fan to assess the damage. replace damaged parts e.g., drive shafts, bearings, seals, impeller etc; 6. Aluminum bellows - Assess the damage, prepare the bellow for repairs, and repair the bellow; 7. Hydraulic cylinders across Kusile - Assess damage to the cylinders, if need be, for mill hydraulic cylinders transport off site to for repairs and return to site. (employer to provide the C & I probes required for mill hydraulic cylinders refurbishment); 8. Milling plant roller assemblies - Remove grinding elements, strip the tyre to assess damage, replace all damaged parts e.g., bearings, wear plates, bolts, nuts and washers, etc. and install new grinding elements supplied by the employer; 9. Mill reject box slide gates (top and bottom gates) - strip the slide gate to assess damage and refurbish slide gates to its original state; 10. Cleaning of fuel oil burner lances and testing thereof on the test rig; 11. Electrical equipment (electric motors range from 0.09 KW to 200 KW, geared motors 1.1 KW, electric actuators 380V, heater elements, module- positioner board VDC, ultrasonic flow metre, HCB/C channel blower fan, centrifugal pumps, motor breaker 3 KW, etc). Please confirm the closing time as two were published. (Oferta №126338052es)