The Fertilisers And Chemicals Travancore Limited Tender

Maintenance and Replacement of Agitators and Rakers in PA/PC Plants, FACT-CD.

Maintenance and Replacement of Attack Tank Agitators: Make necessary site arrangements for the work. After getting the process clearance decouple and dismantle the motor and gearbox from the base. Decouple the agitator. Gearbox and motor shall be safely positioned. Motor and gearbox if required shall be transported to respective workshops and the repaired gearbox / motor shall be transported back to position. Lift the agitator and its detached section from the attack tank and transport it to the earmarked area for repair. Transport spare agitator from repair bay, lift and position it on attack tank compartment. Erect the gearbox on the foundation and couple it with the agitator. Erect back the motor, align the pulleys and couple back the motor and gearbox. All foundation and coupling bolts shall be properly tightened. After trials, any scrap/damaged components shall be transported to the earmarked area as per site instructions. Any minor repairs on the foundation/base and agitator blades shall be in this scope of work.

Maintenance and Replacement of Digestion Vessel Agitators: Make necessary site arrangements for the work. After getting the process clearance decouple and dismantle the motor and gearbox from the base. Decouple the agitator. The gearbox and motor shall be safely positioned. The motor and gearbox if required shall be transported to respective workshops and the repaired gearbox/motor shall be transported back to position. Dismantle the blades of the agitator from the digestion vessel. Lift the agitator and its detached sections/blades from digestion and transport them to the earmarked area for repair. Transport spare agitator from repair bay, lift and position it on digestion vessel. Transport the agitator blades to the inside of the digestion vessel and fix them on the newly erected agitator shaft. Erect the gearbox on the foundation and couple it with the agitator. Erect back the motor, align the pulleys and couple back the motor and gearbox. All foundation and coupling bolts shall be properly tightened (Tach welding of coupling bolts and nuts of the blades comes under the scope of the contractor). After trials, any scrap/damaged components shall be transported to the earmarked area as per site instructions. Any minor repairs on the foundation/base shall be in this scope of work.