BDPS/V/NEW/M1/2025

Part-A + Part-B

Item Rate BoQ

BoQ_Ver3.0

testing

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE (This BOQ template must not be modified/replaced by the bidder and the same should be uploaded after filling the relevent columns, else the bidder is liable to be rejected for this tender. Bidders are allowed to enter the Bidder Name and Values only )

NUMBER #

Preliminary checking and testing of IR value, insulation leakage of stator & rotor, cracks of porcelin bushings, conn. Terminal leads, fibre glass terminal blocks and rotor end ring joints etc, before to detect the fault for 3.3 KV /6.6 KV sq. cage induction Motor. (I&W SCH-2022, I-5.3.J.2, P-124)

Taking out carefully the slip ring set of the induction motor by removing the connection from the LRS unit and dismantling the top cover and bearing

Taking out the 6.6 KV Slip ring induction Motor from pump coupling end vertical axial flow propeller pump after dismantling all connection including earthing etc. The motor is to be kept on wooden sleeper at a suitable distance from the floor without damaging the earthing strips and cables etc. as per direction of E.I.C.

Dismantling the 6 KV HT motor after disconnection of the power & control cables after opening bolts and nuts, with the help of overhead crane and stacking the stator and rotor on wooden sleeper, with proper safety and care.

Conducting statutory testing of the Slip-ring such as resistance measurement, inductance measurement, high pressure test as per relevant IS of 6kV motor and complete in all respect with proper care & caution. (MARKET PRICE)

Dis-assembling the motor end and opening of end shield covers, stator coil guard, taking out the rotor from the stator and placing it on the proper arrangement by hoisting mechanism. Thoroughly cleaning of the stator coil insulations, motor bearings, rotor core surface and end ring joints to demoisturishing of the deposited carbon with carbon tetrachloride and heating the stator by silicon heating elements periodicaly at a required temperature and covered with terpulin for heat protection along with the arrangement of compressed air to blow the vapour moisture and to develop its IR value and varnishing with Dr. Beck’s graded CLASS-H varnish including jel epoxy coating to prevent from the moisture (for both Stator & Rotor. (I&W SCH-2022, I-5.3.J.3.2, P-124)

DRIVING END HOUSING Under cut of damaged DE side bearing housing portion, metal deposition on die under cut surface, machining, turning & polishing with proper tolerance according to the size of bearing outer diameter. Work should be completed in all respects up to the satisfaction of E.I.C. (&W SCH- 2022, I-5.3.J.8, P-125)

NON-DRIVING END HOUSING Under cut of damaged NDE side bearing housing portion, metal deposition on the under cut surface, machining, turning & polishing with proper tolerance according to the size of bearing outer diameter. Work should be completed in all respect upto the satisfaction of E.I.C. (I&W SCH- 2022, I-5.3.J.9, P-125)

DRIVING END SHAFT JOURNAL Under cut of damaged DE side bearing journal portion, metal deposition on the under cut surface, machining, turning & polishing with proper tolerance according to the size of bearing bore. Work should be completed in all respects up to the satisfaction of E.I.C. (I&W SCH-2022, I-5.3.J.10, P- 125)

NON-DRIVING END SHAFT JOURNAL Under cut of damaged NDE side bearing journal portion, metal deposition on the under cut surface, machining, turning & polishing with proper tolerance according to the size of bearing bore. Work shoul d be completed in all respects up to the satisfaction of E.1.C. (I&W SCH-2022, I- 5.3.J.11, P-125)

DRIVING END BEARING LOCKING ARRANGEMENT Under cut of damaged DE side bearing locking portion, metal deposition on die under cut surface, machining, turning & polishing with proper tolerance according to the size of bearing outer diameter. Work should be completed in all respects up to the satisfaction of E.I.C. (MARKET PRICE)

NON-DRIVING END BEARING LOCKING ARRANGEMENT Under cut of damaged NDE side bearing locking portion, metal deposition on the under cut surface, machining, turning & polishing with proper tolerance according to the size of bearing outer diameter. Work should be completed in all respect upto the satisfaction of E.I.C. (MARKET PRICE)

Checking the dismantled 6 KV HT slip Sring motor for its stud & opening all insulation like glass tape, insulating packing etc. & changing the same with new washer & packing while assembling including completing the taping and revarnishing. Checking also to be done for slip ring etc. and re fitting the motor in its original position including connection and testing as per diretion of E.I.C. (MARKET PRICE)

S & F of 4m. Length of 95 sq.mm. /3.3 KV/6.6 KV grade H.T. glass copper leads with end finishing by 95 sq.mm. heavy duty dowells copper lug at STAR conn. Terminal leads including replacement of glass fibre terminal block and SS bolts etc. (I&W SCH-2022, I-5.3.J.4, P-125)

Repairing & servicing of motor terminals & terminal box. (MARKET PRICE)

Properly checking, testing of developed IR value of the motor, leakage factor of bushings, terminal shortings, IR value of G.F.blocks etc. after the necessary repairing works for 3.3KV/6.6 KV sq. cage induction Motor ( I&W SCH-2022, I-5.3.J.7, P-125)

To remove the rotor copper bars it has to be straighten, 2 copper bars in each slot

Complete removal of damaged insulations, copper bars etc from the rotor with caution to avoid any damages as per the direction of EIC.

Thorough cleaning of rotor slots, grooves by CTC & other cleaning agents

Bending of copper bars, 2 copper bars in each slot to fix it in the rotor groove as per requirement

Complete rewinding of rotor by 99% grade electrolytic copper bars along with sockeing 244 numbers of copper strips in both ends & wires incl supply of insulation paper, nomex paper etc

Heat treatment of rotor by inserting it inside a heat chmaber for 72 hours

Repairing of slip ring by first remove all the insulated sheath of Ring unit and gradually open out individually from its base. Then clean the slip-ring base unit thoroughly by heating arrangement and open out the damaged insulation layer upto the fully bare condition. After the metalizing of the damaged portion of the base unit of slip-ring it is to be sent to machine shop for alignment and smoothing of the outer & inner surface along with making key slots for making the locking arrangement with the motor shaft. After proper Machining & polishing the outer & inner surface of slip-ring unit and lapping it with 6 mm insulation sheet to its base and casting it whole with the insulation to insulate each phase of the rotor properly. After completion of insulation arrangement, slip-ring unit will be fit and fix its base individually maintain proper alignment of each ring as per motor design. The rings will be locked individually to its base. Finally insulate the whole unit by Dr Beck varnish to insulate from dirt & dust before re-alignment of complete slip-ring unit assembly for the last time.

Refitting the 6.6 KV Slip ring set over the motor with all its necessary coupling accessories to its position including fifling fixing with bearing housing, non-reversable ratchet unit and pump shaft with proper tolerance and clearance and reconnection of terminal points of the completion of necessary work and satisfactory 2 hours trial run of the pump as perdirection of E.I.C. (MARKET PRICE)

Re-assembling the 6.6 KV Slip ring induction Motor including placing the rotor into the stator, re-fixing the coil guard, pre-fixing the motor covers, terminal leads, terminal blocks, cable entry box, terminal box after completion of repairing works. (MARKET PRICE)

Manufacturing, supply of Motor coupling of pump and motor side as per sample (MARKET PLACE).

DYNAMIC BALANCING Trueness checking & dynamic balancing of rotor. (Certificate is to be Provided to Authority). (I&W SCH-2022, I-5.3.J.12, P-125)

Supplying, fitting, fixing bolts with nuts, washer: 20-25mm dia bolt length above 150mm(PWD Bldg Sch-2017, P-103, I- 7iic)

Necessary checking, testing & calibration of motor protection relay & instantaneous under voltage relays. (MARKET PRICE)

Engagement of specially trained certified HT professional for necessary execution of the work & testing of entire system, circuits, motor power & control circuits, sensor circuits etc complete in all respect as per the direction of EIC. (MARKET PRICE)

To & fro transportation charges from BDPS to workshop & back. MARKET PRICE)

Hydra hire charges (MARKET PRICE)

Estimated amount

GRAND TOTAL [Rs.]

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