WBPHED/AE_I/MLMD/NIeT_5of 2025-26

Amount

Withdrawing the Existing pump motor set along with its column pipe assembly and submersible cable from said T/W properly by existing lifting arrangement after disconnection of power line and delivery line.

Carrying the Existing pump motor set ( to be withdrawn from the tubewell) from work site to Malda workshop inciuding loading and unloading complete.

Dismentling the pump motor set at workshop part by part for necessary repair

Supply of following spares for the pump.

A)Shaft sleeve (SS)

B)Neck Ring (GM)

C)Pump stage bush (GM)

Reassemble the pump with newly supplied materials in item no 4(A to C) and old serviceable spares as per direction of EIC.

Supply of following spares for the motor.

A)Top bush (GM)

B)Bottom bush (GM)

Grinding and polishing the rotor shaft to match with the newly supplied bush and painting the rotor by apoxy paint as per direction.

Reassemble the motor after with newly supplied materials in item no 6(A to B) and old serviceable spares as per direction of EIC.

Painting the pump motor set after repair & reassemble by supplying oil bound paint after scraping out the old paint rust as per direction.

Carrying charges the repaired submersible pump motor set from workshop to the site as per direction of EIC.

Supply & Delivery of 1.1 KV Grade 3 core water proof flat submersible cable for above motor.

Supply and delivery of the following valves, pipes, gauges etc. at site

Cast Iron Wafer type Three phase Actuator (Rotork range, three phase 415 V,multiturn electrically actuated) operated Butterfly Valve of dia 80mm (P.N-1.0) as per (IS-13095 IP-68) Test Certificates from both the manufacturer are to be submitted at the time of delivery

80mm dia CIDF Sluice Valve-1 no., Non Return Valve-1 no., CIDF 90° Bend-1no., CI Flanged Tee-1no. Blank Flange-1no., CI/ MS flanged Short Piece 0.50 mtr.-2 nos, CI/ MS flanged pipe 1 mtr.-2 nos. etc as per IS specification and certification for construction of delivery pipe line and wash out line.

Heavy type 250 mm dia split type tube well cover with 12 mm thick clamping arrangement including holes of column pipe, air pipe and cable entry with 2 sets heavy type suspension clump, nuts, bolts and washer as per departmental design.

1.1KV Grade 10 core 2.5sqmm cupper control cable.

Depth gauge 100mm dia with steel air pipe of required length with all accessories for the above work including supply of good quality hand pump. (This cost includes 15 mm. dia G.I. pipes and specials)

Pressure gauge (H.Guru/Febig) 150mm dia (0-7Kg/Sq.cm) brass cock and fitting complete. (This cost includes 15 mm. dia G.I. pipes and specials)

50 mm. dia. non metalic pipes (IS:14930) and specials for protection of submersible cable (as per site requirement)

Anti snapping safety device for pump set by supplying suitable size MS clamps two sets and nylon rope of required length including supplying of nuts, bolts and all other materials.

Installation of the materials (to be supplied under above sl no 11.01 to 12.11) such as Pump motor set with column pipes, valves, panel, fiting fixing pressure gauge, depth gauge, Non-return valve & drawing delivery out-let & washout line with the supplied specials / accessories by providing antisnapping cage of suitable size including supply of cable gland,sockets, wooden board etc including brick, sand, cement rod etc as required to complete the job as per direction and up to the entire satisfaction of the EIC.

Making brick pillar 0.25 mtr x 0.25 mtr. for supporting of valves and pipes with 12 mm thick plaster and net cement finish complete.

Add GST @ 18%

Add Cess @ 1%

DAS CONSTRUCTION (BID ID -6423860)

DEY ENTERPRISE (BID ID -6423835)