Repairing/reconditioning of 3.3KV, 400A, Reyroll burn make OCB. sl.no. 82/104, installed at Dumerbera Sub-station for controlling 3.3KV power supply 10 16B quarry of Ara Colllery. repairing/reconditioning of 11 KV, 400 Amp, OCB of Ara Colliery.

Amount

(A) Repairing/Reconditioning of 01 No of 3.3KV, 400A, Reyroll burn make OCB, sl.no.- 82/104, installed at Dumerbera Sub-station for controlling 3.3KV power supply to 16B quarry of Ara Colliery

Supply and fixing of AMP Meter, 0- 200 A range, 110V, 4" Sq.mm. size

Supply and installation of Analog Volt Meter. 0-15KV range, 110V, 4" Sq. mm. size

Supply and installation of Trip Coil. 110V AC/DC grade.

Supply and fixing of IDMT Relay with 2 O/C, 1 E/F and inst. High PH & E/F set along with triple pole, programable software based, with O/C current serting range of 50%- 200% and E/F Current setting range of 5%-80% and 110V AC/DC rated

Supply and fixing of full wave Bridge Rectifire Unit with 40Amp current capacity and 110 V output DC voltage grade

Supply and fixing of IDMT type Earth Leakage relay with CBCT. 110V AC/DC rated, programable software based and leakage current setting rage of 0.5A-8A.

Supply and fixing of 3 phase PT. 200VA, 3.3KV/110V, epoxy resin cast. Dry type along with test certificate

HT fuse, 3.3KV, I amp rated

Repairing of Complete Operating mechanism of OCB by replacing 1 9pcs roller bearing, 1 pcs roller block, 1 pcs main on block, I pcs roller latch. 4 pcs roller pin and 1 pcs tripping dog

Wirring with ferrule, lug, PVC copper cable e.t.c. reuired

B):- Repairing/Reconditioning of 01 No of 11 KV, 400 Amp, Rayroll Barn Make OCI, SL. No.- 82/106 of Ara Colliery Under Kuju Area.

Supply and fixing of AMP Meter. 0- 200 A range, 110V, 4" Sqmm, size

Supply and installation of Analog Volt Meter. 0-15KV range. 110V. 4 1 Sq. mm. size

Supply and installation of Indicating lamp 110 V. AC/DC rated, for each phase (R/Y/B)

Supply and fixing of IDMT Relay with 2 O C. I E/F and inst. High PET & E/F set along with triple pole, programable software based, with OC current setting range of 50%- 200% and E-F Current setting range of 5%-80% and 110V AC/DC rated

Supply and fixing of full wave Bridge Rectifire Unis with 40Amp current capacity and 110 V DC voltage grade

Supply and fixing of IDMT type Earth Leakage relay with CBCT, 7 110V AC/DC rated, programable software based and leakage current setting rage of 0.5A-8A.

Supply and fixing of PT, 200VA, IIKV/110V, epoxy resin cast, Dry type along with with test certificare

Supply and fixing of HT fuse, 11KV 1 amp rated for PT

Wirring with ferrule, lug. PVC copper cable et c. reuired

C):- Installation of Earth leckage relay in 11 KV, 400 Amp. Meditron Make VCB, SL. No.-9479 of Ara Colliery Under Kuju

Supply and fixing of IDMI type Earth 1 eakage relay with CBCT H0V AC Durated, programable software based and leakage current setting rage of 0.5A-8A.

Wirring with ferrule, lug, PVC copper cable etc. reuired

Total impact of GST for the purpose of CTC

M/S VAISHALI ELECTRIC COMPANY (BID ID -1100539)