WBPHE/DIC/BMSD(D)/NIeT-06 of 2024-25/4

Amount

Supply and delivery at site 3 phase oil cooled type Servo Motor operated copper wound line voltage corrector conforming to IS-9815 (Pt.-1)-1994 suitable for un-balanced input voltage Phase to Phase 200V.-500V including first filling oil as per IS-335 where applicable as per approved drawing and specification.

For Pump house No. II 30 KVA

Supply and delivery of following materials at site

100 Amps, 415 V, 4 pole on load change over switch.

100 Amps, 415 V TPN Rewireable type Mainswitch.

100 Amps 4 way Copper Bus-Bar chamber.

1.1 KV grade 415 V, 25 sqmm, 3.5 core PVC insulated Aluminium Armoured Cable.

Making brick built foundation with supplying of all required materials suitable for the above voltage stabilizer by (4:1) cement mortar including holding down foundation bolts and 12 mm thick plaster with neat cement finish, sloping all complete as per direction of EIC.

Fitting , fixing of change over switch, Busbar chamber and main switch as mentioned in item no. 2.01, 2.02 and 2.03 on the at suitable position on wall by supplying all necessary fixing materials all complete as per direction of EIC.

Installation of the above voltage stabilizer as in item no.1.00 on the foundation including making all connection complete as per direction.

Drawing and connection of cable as in item no. 2.04 on wall/surface from change over to panel via Voltage stabilizer, Bus bar and Main Switch incl. S & fitting-fixing of required nos. of MS saddles with earthing attachment in 10 SWG GI (Hot Dip) wire, making holes etc. as necy. mending good damages and painting.

Making joints of the cable by supplying compresion type gland thimple, socket etc. as per requirement and as per direction of EIC.

Making earthing arrangement as per following --

Excavation of soil for installation of Earth electrode and filling and ramming for soft soil.

Earthing with 50 mm dia Gl pipe 3.64 mm thick x 3.04 Mts.long with TATA-Medium GI pipe with a provision to connect 25mm X 6mm GI flat strip complete with GI bolts, nuts, washers etc as required.

Supplying & fixing of earth Busbar of galvanized (Hot dip) MS flat 25mm X 6mm on wall having clearance of 6mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulator etc as required.

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36cm X 86.36cm X 46cm deep (below ground level) complete with cemented brick work (1:6) of 25cm width duly plaster with cement morter (inside) CI hinged inspection cover of size 36.56cm X 35.56cm with locking arrangement, GI reducer including drilling of 46nos. 12mm dia holes on the GI pipe.

Extra treatment of soil by using salt and charcoal or coke for plate electrode.

Add GST @ 18%

Add Cess @ 1%

Moni Electrical Works (BID ID -5737758)

M/S. Sajahan Chowdhury (BID ID -5744435)