Tender For Replacement Of Defective Bearings Of Pump No.3 At Patuli B.P.S, Kolkata-West Bengal

Replacement Of Defective Bearings Of Pump No.3 At Patuli B.P.S- 1 DE-COUPLING OF THE HT PUMP FROM DRIVE MOTOR BY REMOVING THE COUPLING BOLTS ETC. WITH CARE & CAUTION AND KEPT THE COUPLING BOLTS IN THE DEPARTMENTAL GODOWN & COMPLETE AS PER DIRECTIONOF EIC (MODE OF MEASUREMENT - DRIVE MOTOR WATT X NO. OF POLES / RPM) 2 REMOVAL OF HORIZONTAL SPLIT TOP VOLUTE AFTER LOOSENING THE NUTS & BOLTS FROM THE BOTTOM VOLUTE OF HT PUMP WITH UTMOST CARE BY USING DEPARTMENTAL OVERHEAD CRANE & KEEP THE TOP VOLUTE AT THEWORKING FLOOR AND AFTER COMPLETION OF THE NECESSARY INSPECTION / WORKS ETC, & AGAIN PLACING THE TOP VOLUTE ON THE BOTTOM VOLUTE WITH NECESSARY HYDRAULIC PAPER ETC. ALONG WITH THE SEALING OFBOTH NDE & DE SIDE OF VOLUTE CASING TO PREVENT SUCKING OF AIR & BOLTED UP OF THE TOP & BOTTOM VOLUTE CASING & COMPLETE AS PER DIRECTION OF EIC. (MODE OF MEASUREMENT - DRIVE MOTORS WATT X NO. OF POLES /RPM) 3 TAKEN OUT OF THE SHAFT - IMPELLER ASSEMBLY FROM THE BOTTOM VOLUTE OF THE HT PUMP AND KEPT ON THE PEDESTAL WITH CARE & CAUTION & COMPLETE AS PER DIRECTION OF EIC. (MODE OF MEASUREMENT - WEIGHT OFIMPELLER, SHAFT, SLEEVE, JAM NUT & HALF COUPLING) 4 TO & FRO TRANPORTATION OF COMPLETE SHAFTIMPELLER ASSEMBLY FROM PUMP HOUSE WORK SITE TO THE CONTRACTORS WORKSHOP AND VICE-VERSA INCLUDING LOADING AND UNLOADING WITH PROPER CARE AS PERDIRECTION OF E-I-C. (MODE OF MEASUREMENT - WEIGHT OF IMPELLER, SHAFT, SLEEVE, JAM NUT & HALF COUPLING) 5 REMOVAL OF HALF COUPLING USING THE HYDRAULIC PULLER & FIXTURES ETC. VERY CAUTIOUSLY FROM THE SHAFT AND COMPLETE IN ALL RESPECT AS PER DIRECTION OF EIC. (MODE OF MEASUREMENT - DRIVE MOTOR WATT * NO OFPOLES / RPM) 6 FITTING & FIXING OF THE HALF COUPLING BY HYDRAULIC JACK & SPECIALIZED FIXTURES ETC. & COMPLETE IN ALL RESPECT AS PER DIRECTION OF EIC.(MODE OF MEASUREMENT - DRIVE MOTOR WATT * NO OF POLES / RPM) 7 REPLACEMENT OF BEARINGS OF DE AND NDE SEPARATELY WITH NEW SUPPLY OF BEARINGS FOR THE ABOVE PUMP 8 TRUNESS AND ECENTRICITY CHECKING OF THE SHAFT-IMPELLER ASSEMBLY, TRUNESS CHECKING OF THE COUPLING AND DYNAMIC BALANCING THE COMPLETE ASSEMBLY BY ADDING OR REMOVING THE UNBALANCE MASS AND COMPLETE IN ALL RESPECT AS PER DIRECTION OF E-I-C.THE BALANCING CERTIFICATE MUST BE FURNISHED TO THE DEPARTMENT. ( MODE OF MEASUREMENT- WEIGHT OF ROTATING ASSEMBLY) [SHAFT + IMPELLER + SLEEVE + JAM NUT]) 9 POSITIONING, FITTING & FIXING THE COMPLETE ROTATING ASSEMBLY ON THE PUMP BOTTOM VOLUTE WITH ALL SEQUENTIAL PROCEEDINGS AND KEEPING UTMOST CARE AND CAUTION AND COMPLETE IN ALL RESPECT AS PERDIRECTION OF E.I.C. (MODE OF MEASUREMENT- WEIGHT OF IMPELLER, SHAFT, SLEEVE, JAM NUT & HALF COUPLING). 10 MAKING ALLIGNMENT OF THE SHAFTS OF PUMP & MOTOR BY USING DIAL GAUGES ETC., INCLUDING INSERTION OF REQUISITE DIMENTIONED BRASS SHEETS COMPLETE IN ALL RESPECT AS PER DIRECTION OF E.I.C. (MODE OFMEASUREMENT - DRIVE MOTORS WATT X NO. OF POLES / RPM) 11 SEQUENTIAL INSERTION OF PACKING (PTFE HYDRAULIC PACKING- STYLE-374 {SIZE-15.5 TO 25} MM AT BOTH END (DE & NDE SIDES) & COMPLETE IN ALL RESPECT AS PER DIRECTION OF EIC ( MODE OF MEASUREMENT - INSERTED PACKING LENGTH IN M X NO. OF TURNS) 12 MAKING COUPLING THE HT PUMP WITH THE DRIVE MOTOR BY INSERTING THE COUPLING PINS ETC. WITH PROPER CARE & CAUTION & COMPLETE AS PER DIRECTION OF EIC. (MODE OF MEASUREMENT - DRIVE MOTORS WATT XNO. OF POLES / RPM) 13 HIRING CHARGE OF 1 NO. 125KVA 3 PHASE SILENT DG SET INCLUDING SUPPLY & FIXING OF 400 AMP 4 POLE CHANGEOVER SWITCH AND LAYING OF REQUIREDCAPACITY AND LENGHT OF CABLE WITH CONNECTION AS REQD. (ON TEMPORARY BASIS) AND ENGAGED ONE GENERATOR OPERATOR ROUND THE CLOCK TO RUN THE GENERATOR AS AND WHEN REQUIRED(INCLUDING FUEL). 14 COMMISSIONING THE HT PUMP WITH DRIVE MOTOR WITH SEQUENTIAL PROCESS WITH PROPER CARE & CAUTION & DO NEEDFUL OBSERVATION FOR TRIAL RUN TO ACHIEVE THE SATISFACTORY OPERATION OF THE PUMP & COMPLETE IN ALL RESPECT AS PER DIRECTION OF EIC. (MODE OF MEASUREMENT- PER DAY BASIS) 15 Estimated amount 16 Add: 18%GST 17 1% LWC

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INR 6000.0 /-

INR 2.79 Lakhs /-

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