Replacement of obsolete / burntout 11KV OCB type HT 4 Panel board with 11KV VCB type HT 7 Panel board in Six RMU Sub-Station at IIT Delhi.

Amount

Supplying, installation, testing & commissioning of indoor type floor mounted metal clad, 11 KV VCB panel with 7 Nos. VCBs totally enclosed & fully interlocked, horizontal drawout, horizontal/ vertical isolation type breaker as per IEC 62271-100/ IS 13118, as amended up to date and additional specifications, having capacities as mentioned below, single break, trip free mechanism, motorised/ manually charged and auto/ manually closing breaker suitable for use on 11 KV, 3 Phase, 50 Hz A.C. supply with short circuit fault level of 350 MVA, complete with self contained, fully interlocked, rack in and rack out mechanism, air insulated but encapsulated copper bus bars of 630 Amps capacity, breaker featured with mechanical ON/OFF indicator with hand trip device, spring release coil, shunt trip coil and auxiliary switch of 6 NO + 6NC and equipped with following switchgears and accessories including connections suitable for 3x400/300/240 sqmm. XLPE 11 KV cable (cable entry from bottom) end termination with heat shrinkable jointing material etc. as required including providing the following switchgears:- Note:- The panel shall be fabricated only at the OEM's factory/works as per description of item and approved design of the manufacturer. Make : GE / ABB / Siemens / Kirloskar / Jyoti / L&T / Crompton Greaves

Inbuilt Power Pack converter unit ---- 7 Nos. Inbuilt Power Pack converter unit with 220 Volt, AC input and 24Volts DC continuous output suitable for closing / tripping / indication of HT Panel board with 2 Nos. 12 Volts 7 AH SMF batteries, charging unit as per manufacture design.

Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required.

Dismantling of existing 11KV OCB type HT 4 panel board including repairing of flooring, disconnection of existing 4 Nos. HT incoming and outgoing cables of size 3 X 150/400sqmm, shifting and handing over of the same from Six RMU Sub-Station to Main Sub-Station (approx. 1 KM distance) in safe condition etc. complete as required.

DUBEY ELECTRIC WORKS