WBPHED/EE/BMD/NIeT-11 OF 2025-2026/3

Amount

Dismantling of the top side casing of the of 350 HP / 300 HP centrifugal pump set (6/8 GME) by opening the all of the existing nut bolt from the bottom side base frame and lifting the casing to check the complete rotating unit after disconnecting all the line i.e. electrical lines, hydraulic lines, closing the valves (Blank flange if required) etc by proper technician part by part including necessary labour charges , lifting arrangement charges of the centrifugal as per direction of EIC.

Dismantling of motor coupled with the above centrifugal pump and opening the DE & NDE Bearing housing and Bearing end cover, and lifting the complete rotating unit from the undercut pump base to the top of the floor with proper safety measures as required as per direction of EIC.

Transportation charges for complete rotating unit of the existing pump set for proper rectification at the pump repairing workshop with safety wooden box from MKT New WTP site to Howrah Workshp for repairing to and fro journy. ( Charges including labour charges for loading unloading at wtp area and work shop and after repairing approx after 10 days return to WTP PH transportation and loading unloading charges approx 260 km of each site )

Dismantling the bearings , Suction sleeve, Delivery sleeve, Bearing distance sleeve , Breakdown bush, Staffin box bush, neck ring , lentent ring , 2 nos impeller , Sleeve nut (RH & LH), cow nut(RH & LH), coupling key, impeller key etc from the shaft of the dismalted rotating unit by using pullers , cutting machines and other tools for through out checking of all of the rotating items for proper rectification by the expart on the subjected field at the work shop as per direction of EIC

Supply delivery of the following item for 350 HP / 300 HP centrifugal pump set (6/8 GME) as per existing dimensions and requirment

Suction Sleeve (MOC- Gunmetal )

Delivery Sleeve (MOC- Gunmetal )

Bearing distance sleeve ( MOC-MS)

Impeller 1st Stage (MOC-Gunmetal)

Impeller 2st Stage (MOC-Gunmetal)

Neck Ring (MOC-Gunmetal)

Water Deflector (MOC- Nitrile)

Single row deep groove ball bearing 6314-2Z/C3GJN or equivalent with steel seal on both sides (for non drive end of the pump set ) for Wilo Mather and platt make (Make-SKF)

50/16 housing bolt (Cold forged high tensile hexagonal head bolts and screw ) (Make- TVS)

25/12 Bearing cover bolt (Cold forged high tensile hexagonal head bolts and screw ) (Make- TVS)

Complete Gland Packing (MOC-graphite cotton fibers)

Rectification and minor repairing of the sahft ( besically key site area) for incerting the rotating parts as per dimension and specification with the direction of EIC

Fitting fixing of the of supplied items from sl no 5.1 to sl no 5.10 with expert technician as per existing design of the pump and fitting of the gland packing and other necessary items to complete the work with for checking dynamic balancing after fitting of the materials up to the satisfaction of EIC .

Performing the proper Dynamic balancing of the complete ratating unit after newly assembled rotating parts (Sl no 5.1- 5.7) in the Dynamic balalncing machine and making necessary adjustment of the ratating parts to achive the proper balancing result at the workshop as required as per direction of EIC

Assembling of motor coupled with above centrifugal pump and tightning the DE & NDE Bearing housing and Bearing end cover and placeing the complete rotating unit from the undercut pump base to the top of the floor with proper safety measures as required as per direction of EIC.

Assembling of the top side casing of the of 350 HP / 300 HP centrifugal pump set (6/8 GME) by tightning the all of the existing nut bolt from the bottom siide base frame after lowering the rotating unit in the proper place after supply and replaceing the proper gasket in between casing and connecting all the line i.e. electrical lines, hydraulic lines, closing the valves ( removing the Blank flange if required) etc by proper technician part by part including necessary labour charges , lifting arrangement charges of the centrifugal , and checking satisfactory vibration and heating of the pump motor for a certain period as per direction of EIC.

Through out checkinng of the panel for 2 nos 350 hp motor feeder with soft starter by expart electrician with mesauring and checking tools as per direction of EIC.

Disconnecting old MCCB from circuit, disconnecting old MCCB base incoming & outgoing terminals from Bus-Bar, disconnecting various electrical power & control operation connections from old MCCB base, Re-connection of various electrical power & control operation to new MCCB base, connecting new MCCB base incoming & outgoing terminals with Bus-Bar, Fitting new MCCB to its base and finally Testing, manual On/Off operational checking, manual/ electrical On/Off operation checking and power charging including 1 mtr 16 sq mm single core copper cable , and sockets as per direction of EIC.

Withdrawling the 20 HP/18.5 HP polder pump from the existing weast water sump bed by dismantling the all of the bolts from the delivery site pipe flage and disconnecting the electrical line after manually cleaning the alluvion from the bed for rectification as per direction of EIC

Transportation charges for complete rotating unit of the existing pump set for proper rectification at the pump repairing workshop with safety wooden box from MKT New WTP site to Durgapur Workshp for repairing to and fro journy. ( Charges including labour charges of loading unloading charges at wtp area and work shop and after repairing approx after 7 days return to WTP PH transportation and loading unloading charges approx 103 km of each site )

Complete dismantling of all the parts of the pump for proper rectification and dismantling of the motor for rewinding and bearing replacement and through out checking for complete repairing as per direction of EIC

Special type rewinding of the above 20 H.P./18.5 HP polder pump motor set by suppling existing size SWG enamelled copper wire ( Modified Polyster - 155 C) as per IS:13730-3, IEC 6017-3 (supply and fixing of control type module as per exixting with making connection of newly winding copper wire in side motor winding area ) and through out servicing , rectification by suppling new socket , loop, connector box (if needed), clip, necessry emery paper , vernish after taking out old burn out copper wire as per direction of EIC. (at workshop)

Supply delivery and fitting fixing of the existing size mechanical seal, bearing, 42 mm fan, bush and other items to complete the repairing and complete double cote painting after proper surface preperation on pump motor set as per direction of EIC

Complete assembling of all the parts of the pump after proper rectification and assembling of the motor after rewinding and bearing replacement and through out checking after complete repairing as per direction of EIC

Lowering the 20 HP/17.5 HP polder pump in the existing weast water sump bed by jointing all of the bolts to the delivery site pipe flage and connecting the electrical line after manually cleaning the alluvion from the bed after rectification as per direction of EIC

Add: 18% GST

Add: 1% Cess

EASTERN INDIA SALES AND SERVICE (BID ID -6917867)

PROGRESSIVE ENGINEERS CO OPERATIVE SOCIETY LIMITED (BID ID -6916911)

KASHI NATH DEY (BID ID -6917878)