Providing voltage correction arrangement with allied works at P.H. No. High Lift of Bara Bankra Ground water based W/S Scheme under EMSD-I, PHE Dte.in 24Pgs(N).

Amount

Dismantling the existing damaged voltage stabilizer & allied from existing position all complete & kept at site.

Supply & delivery at site of 30 KVA 3-phase oil cooled type Servo Motor operated copper would line voltage Corrector conforming to IS-9815 (Pt.1)-1994 suitable for unbalanced input and unbalanced load voltage with following specification including first filling oil as per IS-335 where applicable [Make- Eltek/Sen & Pandit/Fiji/ECS/Digitek/OPTP/Any other approve make) Input Voltage: 3 Phase Main supply may or may not be balanced with respect to phase to phase 250V- 500V and Phase to neutral 144V-289V. Output Voltage: 3 Phase balanced output phase to phase 415±1% phase to neutral 240 V±1% and as per NIT Specification.

Installation of the above Voltage Stabilizer on the floor making suitable foundation by supplying all required materials and commissioning the same as per direction of E.I.C.

Supply & delivery at site of a) 100 Amp TPN Rewire able type switch fuse. ( Make Havells/ GEC/ Standard/any other approved make)

Supply & delivery at site of 100Amps wall mounted 4-way Bus-Bar chamber having 4nos. Copper bus-bar. ( Make Havells/ L&T/ Standard/any other approved make)

Supply & delivery at site of 100 Amp. 4 pole on load change over switch. ( Make Havells/ Standard/any other approved make)

Supply & delivery at site of 35 Sq. mm. 1.1 KV grade 3 1/2 core Al. conductor armoured P.V.C. /XLPE insulated cable. NB: Cable to be supplied as per sire requirement. ( Make: GLOSTER/NICCO/Polycab / Havell’s/Mescab)

Fitting, fixing of main switch & bus-bar as in item no. 4 to 6 on flat iron frame/angle iron frame on wall by supplying all necessary fixing materials including welding all complete as per direction.

Laying of cable as in item no.7 on wall/surface including S&F of MS saddles with earthing attachment in 10 SWG GI(HOT DIP) wire making holes etc. as necessary mending good damages and paint all complete.

Finishing the end of cable by crimping method including supplying of suitable size Al. thimble, tapes, jointing materials & supplying and fixing suitable type compression gland for above cable including supply of brass gland, rubber ring etc.

Earthing with 50mm dia. G.I. pipe 3.64mm thick x 3Mtr.(10ft.) long and 1 x 4SWG G.I. wire(4Mtr. long) 13mm diametre x 80mm (3inch) long G.I. Bolts, double nuts, washer including S & F 15mm diametre G.I. pipe protection(1Mtr. Long) to be filled with bitumen partly below ground level to an average depth of 3.65Mtr.(12ft.) below the ground level and restoring the surface duly rammed.[This cost includes earth pit and its necessary lid making]

Extra for treatment of soil by salt and charcoal coke for pipe electrode.

Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.

Brick work around the earth pits, neat cement finishing, supply & fitting fixing of MS cover plates above the earth pits all complete as per satisfaction of E.I.C.

Testing, Commissioning the whole installation upto entire satisfaction of E.I.C.

Add: GST @ 18%

Add: Cess @ 1%

M/S. G. P. ENTERPRISE (BID ID -6035291)

GHOSH AND GHOSH (BID ID -6035242)