REPAIR/MAINT OF 33 KV HT LINE AND POWER TRANSFORMERS, 33 KV STRUCTURE BAY NETWORK VCBs AND ALLIED WORKS HT NETWORK INCLUDING TRANSFORMERS, PANELS, ACSR CONDUCTORS UG HT CABLES AND LIGHTNING ARRESTERS AT DIFFERENT LOCATIONS UNDER GE 969 EWS

Dismantling/ disconnecting & taking down insulaters of any size and capacity, complete all as specified and directed.

Decarbonising / cleaning complete of HT 11KV 3 phase bus bar & bus bar chamber, all electrical connections complete HT VCBs/OCBs/Bus coupler arrangment after removing the bus bar spout, cleaning with petrol and CRC 226 spray solution and ensure proper de-carbonisation, refixing the same after completion. Note:- Required spare parts are measured and paid separately.

Calibration and testing of IDMT relays like earth fault, over load relay installed in sub station on HT VCBs/OCBs 11 KV panel and testing through recognised agencies by means of secondary injection method, setting of relay timings and play settings and fixing back the relays in position complete all as directed by Engineer-in-Charge.

S&F steel tubular swaged poles complete with MS base plate continuously welded to pole, finial taper plug, bolts, nuts & screws as specified type 410 SP- 55 (11 metres long) including two coat of black bituminous paint internally throughout and externally upto embedded portion and including applying two coats of synthetic enamel paint over a coat of red oxide primer with black and white strip of 30 cm each upto 1.5 m height and two coats of aluminium paint over a coat of red oxide primer externally on remaining exposed surface after erection in position including prepration of surface, including dismantling of existing PCC or steel tubular pole complete all as specified and directed. Note:Earth work, PCC and copping will be measured and paid for separately under respective item.

S&F pin type, porcelain, vitreous, brown insulator including one galvanised mild steel spindle, two galvanised washers and one galvanised iron nut, 150 mm height, 150 mm dia for 33000 Volts grade HT over head line and including taking down old unserviceable complete all as specified and directed.

S&F pin type, porcelain, vitreous, brown insulator including one galvanised mild steel spindle, two galvanised washers and one galvanised iron nut, 150 mm height, 150 mm dia for 11000 Volts grade HT over head line and including taking down old complete all as specified and directed.

S&F single disc type insulator, porcelain, vitreous 145 mm high and 225 mm dia ball and socket type, brown, assembly for tension with tension clamps for conductors, 11000 Volts including taking down old unserviceable one complete all as specified and directed.

S&F single disc type insulator, porcelain, vitreous 145 mm high and 225 mm dia ball and socket type, brown, assembly for tension with tension clamps for conductors, 33000 Volts including taking down old unserviceable one complete all as specified and directed.

M&L for shackle type porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, washers, insulator bolts, washers and nuts, 150 mm height, 150 mm dia for 11100 Volts grade including dismantling /disconnecting & taking down old broken and unserviceable insulaters of any size & capacity complete all as specified and directed.

M&L for pin type porcelain, vitreous, white brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 50mm height, 100 mm dia for 1100 Volts grade complete all as specified and directed.