WBPHED/AE/CMSD/ENIT-03/S05

Amount

PART-A: Supply and installation of Voltage correction device

Supply and delivery at site A.C. 3 phase, Oil cooled type Voltage Stabilizer suitable for unbalanced input voltage (Make: AE/ Sen & Pandit / Opto Elec./ ECS/ Fiji/other Approved Make) a) Input: 250-500 V 3ph. 50HZ, 4 wire b) Output, 415V + 1% 3ph.,50HZ. c) Capacity: 30 KVA. d) Auto manual switch IS - 9815 (I). e) Raise/lower push Button. f) Single lamps to indicate and limits of input. g) Voltmeter for input and output Voltage. (Manufacturing test certificate should be produced at the time of delivery) h) With U/V.O./V.O./L protection with contractor at output side, input MCB & Ammeter etc. ( TC /GC Needed )

Supply and delivery at site the following items: (Approve make of P.H.E Dte.)

Change over switch 100 Amps 415V, 50 Hz, 4pole onload. Make: Havells/ standard/Approve make of P.H.E. Dte.)

100 Amp. Re-wireable type TPN Main switch (CONFORMS: IS/IEC600947-1&3). (Make: Approve make of P.H.E. Dte.)

100 Amp. 4 way Copper Busbar chamber box by 16 SWG sheet steel enclosure including porcelain chair etc.. (Make: Approve make of P.H.E. Dte.)

25 sq.mm 3.5 core 1.1KV PVC/XLPE insulated aluminium armored cable. (Make: Approve make of P.H.E. Dte.)

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 (if req.) & plaster with neat cement finish as direction of E.I.C.

Installation of the above stabilizer of item no. 1 & 2 on the foundation including all connection complete,drawing the cable properly on GI cable tray on wall /as per direction of EIC along with supplying all necessary item including testing complete.

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

Making earthing arrangement

Earthing with 50 mm dia Gl pipe 3.64 mm thick x 3.04 Mts.long and 1 x4 SWG Gl (Hot Dip) wire (4 Mts. long), 13 mm dia x80 mm long Gl bolts, double nuts, double washers incl. S & F 15mm dla Gl pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above groundlevel driven to an average depth of 3.65 Mts. below the ground level as below: By lSl-Medium Gl pipe

Extra for providing masonery enclosure on the top of the earthelectrode of overall size 86.36 cm x 86.36 cm x 46 cm deep(below Ground level) complete with cemented brick work(1:6)of 25 cm width duly plastered with cement morter (inside) Cl hinged inspection cover of size 36.56 cm x 35.56 cm withlocking arrangement, Gl reducer including drilling of 46 nos.12 mm dia holes on the Gl pipe

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

Connecting the equipments body to earth busbar including S&F 20 mm x 3 mm galvanised (Hot Dip) MS flat on wall/floor with Gl saddles as required and connection to equipments incl.drilling holes, with bolts, nuts, washers etc.

Supplying and fitting-fixing of earth busbar of galvanized (Hot dip) fVS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with Gl bolt,nuts,washers,spacing isolator set etc.as required Length of busbar is 0.5 mtr.

Add. GST@18%

Add. Cess@1%

SUDIKSHA CONSTRUCTION (BID ID -5657358)

BEHERA ENTERPRISE (BID ID -5656527)