REFURBISHMENT OF COMPLETE ROTOR ASSEMBLY (CARTRIDGE) OF LEAN AMINE PUMP (91-P-25A) OF OHCU BLOCK, HALDIA REFINERY AT VENDORS WORKS

Amount

"Refurbishment of Complete Rotor Assembly (Cartridge) of Lean Amine Pump(91-P-25A): SCOPE OF WORK (TO BE PERFORMED AT CONTRACTOR'S WORKS): A. Routine Repair B. Routine Repair after inspection A. Routine Repair 1) Receipt & Unloading of the pump Cartridge 2) Stripping of the Cartridge. 3) Cleaning, Inspection & Recording of clearances 4) DP of Hydraulic Components 5) As Found Inspection & Work done on complete parts. 6) Joint Inspection to be carried out by M/s IOCL Haldia & M/s KSB at contractor's works. B. Routine Repair after inspection. 1) Removal of casing wear ring & Back Bushings. 2) Replacing of casing wear ring & back bushing. 3) Individual impeller to be checked for the run out & corrected. 4) Rotor assembly complete fitting of all impellers. 5) Balancing drum, Thrust Collar, & thrust collar lock nut. 6) Checking the run out of rotor (Impellers drum assembled). 7) Dynamic Balancing of rotor as a whole, as per ISO 1940 Grade 2.5 and to be performed at 80% of the first dry critical speed in air, as established on the balancing machine. 8) Dismantling of rotor assembly (stripping of all impellers from the shaft, as per requirement). 9) Checking up of concentricity of diffuser bushes, wearing ring etc. correction of the concentricity & providing running clearance. 10) Reassembly of the cartridge 11) Painting, Packing and special protection for Journal area & probe track area to be carried out NB: 1. Any minor repair job (welding) required to complete the cartridge assembly shall be carried out by KSB. 2. Any spares required will be handed over by IOCL to the contractor's works after joint inspection between IOCL & M/s KSB." . "refer SOR item no. 00010 of RFQ line item no. 00010" excluding GST.

"Salvaging of 91-P-25B shaft: The job involves surface preparation, rebuilding, proof machining, grinding & dynamic balancing of shaft with all consumables, tools & tackles, manpower etc. and as per OEM standard and all protocol values should be within acceptable limit. All run out (Mechanical and Electrical) should be checked and make it in acceptable range. Special attention should be given for probe track area checking." . "refer SOR item no. 00010 of RFQ line item no. 00020" excluding GST.