Withdrawing and lowering of submersible pumping machinery and repairing of voltage stabilizer at Udang W s Scheme Zone I PH No I II and III District Howrah under Electrical Division PHE Dte

Amount

Withdrawing of sub. p/m from outside tubewell including submersible cable, rope & column pipe part by part after disconnection of power line & delivery pipeline as directed (including Derrick arrangement cost on hiriing basis).

Supply and delivery at site of following :

Submersible pumping machinery directly coupled with wet winding type submersible motor having the following specification pump.

Duty Condition : 54 m3 /hr.

Head : 52 mtr.

Motor : Submersible type 3 Ph. 50 Hz. 415V + 10%, DOL

Impeller : GM / SS

Motor winding : Wet Type.

Pump outlet -65 / 75 / 100 mm.

Size of tubewell : 250 mm. x 150 mm.

Make : KSB / Texmo / PLUGA / BG.

(Test certificate, warranty certificate along with characteristic curve should be submitted at the time of delivery.)

uPVC 80 mm dia column pipe with both side square threaded (8 TPI) with one socket and 'O' ring biax technology with wiring lock system non corrosive, high tensile having ISO 9001 standard. Make- Ashirbad/ Oriplast i) 3 mtr. long.

b) 1.5 mtr. long

c) 80 mm dia top & bottom adaptor

4 sq. mm. 3 core copper 1.1 KV grade PVC insulated water proof flat submersible cable. (Make : Finolex / Netco/ Incab)

Making safety device for above pump by supplying 1" dia nylon rope.

Lowering of submersible pump motor set alongwith the above supplied materials and other re-usable materials & connection of power line and delivery pipe line complete.

Dismantling the defective Voltage Stabiliser part by part from incoming to outgoining to detect the actual fault at worksite as per direction.

Carrying the damaged voltage stabilizer from above mention site to kolkata workshop for repairing including loading and unloading complete as per direction.

Supply the following spares as per existing damaged samples for repairing the voltage stabiliser as per direction :-

0-300 Volt, 65 sq. mm Voltmeter (AE make)

Auto Circuit PCB board

PCB control transformer 230/5 V, 2VA as per sample

Servo motor with 10 kg/cm² AC step syncronised

28A Dimmer Coil (Variac)

Auto manual switch (5 Amp. 2 way) (ISI make)

Input Output switch (5 Amp, 2 way) (ISI make)

Sub motor & R.C. board as per sample

High low cut out switch (limit switch)

Auto reset switch (ISI make)

Indicating Lamp R/Y/B

Input output terminal as per sample

Internal wiring of voltage stabilizer with supply of 1.5 sqmm. & 0.5 sqmm. Copper wire as required.

Labour charges for fitting fixing the above electical items on existing Voltage Stabiliser position by removing damaged one including supply socket, ferrules, terminals & necessary materials with testing commissioning all complete as per direction of EIC.

Carrying the repaired voltage stabilizer from kolkata workshop to worksite including loading and unloading complete as per direction.

Installation of repair voltage stabilizer at worksite by making all electrical connection including testing complete as per direction.

Add: 18% GST

Add: 1% CESS

MAA TARA ENTERPRISE (BID ID -5863768)

H.K.DAS AND CO. (BID ID -5865176)