WBPHED/AE/CMSD/ENIT01/S13

Amount

Supply and delivery the following Electrical Accessories at site

Supply and delivery at site A.C. 3 ph.Oil cooled type Voltage Stabilizer suitable for unbalanced input voltage (Make: AE/Sen & Pandit / Opto Elec. / ECS/Fizi/other Approved Make) a) Input:200-500 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 )

25mm²., 1.1KV grade, 3.5 Core, Aluminum Conductor, Armored, XLPE Cable. The material must be confirmed to IS: 1554/7098(PART-1)1988(Make-GLOSTER /Currency / NICCO /Approved Make)

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 Voltage stabiliser on the foundation incl. Interconnection complete & testing the voltage stabiliser along with other electrical equipments to ensure performance of the equipments in running satisfactorily as per direction of E.I.C. incl. testing commissioning complete.

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 forplate 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%

SUBRATA BHADRA

MITRA ENTERPRISE