Erection work

132KV Gantries, Busbar equipment Structure Erection

132KV Structure Aux. Busbar Structure 1 CT Structure 3 Solid Core Structure 3

ERECTION OF 132 KV CT

Shifting of current transformer upto civil foundation and placement on structure and fixing of junctio box including all accessories etc.

132 KV Isolators (3 Phase)

Shifting upto civil foundation & placement of complete isolator in all 3 phase of 132 KV Isolator structure including shifting within S/S premises. Erection / Mounting of mechanism box, interconnection,piping alignment of contats & all associated activities with P.I.

132 KV C& R Panel

Unloading/Shifting up to control room ( including storage if required) and placement complete with all relays & accessories. The placement of C&R Panel to be done on MS channel frame and MS channel frame will suitable grouted in control room as per drawing . Proper alignment of C&R Panel to be done. The earthing of C&R Panel to be done. Making of all interconnections for the control & relay panel on terminal block as per drawing including all AC&DC connections.

132 KV Solid Core Insulator

Shifting & placement of 132 KV LA's on structure including all accessories, making all interconnections checking & installation of insulator base and surge counters.

Junction Box

CABLE LAYING

Laying of copper cables (armoured/unarmoured) on racks/cable trays/angle support overhead racks conuits including dressing of cables with accessories for copper & armoured control cables.

2Core 2.5 Sq.mm Unarmoured

4Core 2.5 Sq.mm Unarmoured

8Core 2.5 Sq.mm Unarmoured

12Core 2.5 Sq.mm Unarmoured

19Core 2.5 Sq.mm Unarmoured

Cable Termination

Cable termination including fixing of cable glands, lugs etc. for each type of control/power cables, including terminations at both ends. I.R. value between cores and I.R. value with respect to its armouring is to be verified. The continuity of all cores is also to be verified. Both work to be done before connecting cable to the terminal block. Making suitable hole in bottom/side plate of C&R panel, AC/DC Board. Marshaling box, CT/PT sec box and CB mechanism box for fixing cable glands in addition to cable gland holes already provided. The hole should be free from burrs. Fixing all cables in respective cable glands and refixing gland plate to its original place. All cable identification plate is to be provided on both ends of each cable. Stripping all cores to suitable length. Making eye, crimping terminal lugs (as the case may be) and fixing it to terminal block as per drawing followed by proper bending/dressing of all cores.

2Core 2.5 Sq.mm Unarmoured

4Core 2.5 Sq.mm Unarmoured

8Core 2.5 Sq.mm Unarmoured

12Core 2.5 Sq.mm Unarmoured

19Core 2.5 Sq.mm Unarmoured

EARTHING INSTALLATION LAYING OF EARTHMAT, EARTHROD ETC.

Providing of steel risers and making earth mat (dully burned at a depth of 0.5 mtrs.) including back filling, welding etc and boltering of risers to the structures / equipments at desire plaes

M.S. Flat for earthing (65X8) /(in Mtr.)

M.S. Flat for earthing (50X6) /(in Mtr.)

Installation of 25mm dia 3000 mm long MS rod earth electrodes by directly driving / drilling the (6" dia) to in earth includingexcavation (irrespective of type of soil encountered) backfilling with bentonite soil, welding to earth conductor etc.

Preparation of earth pits (1.5x1.5x3 mtrs.) as per MPPTCL`s drawing, GI Pipe 40 mm Dia., 4mm Thk along with clamp for Earth Pit (in Mtrs)

Installation of HPSV/HPMH Lighting Fixtures (250 W) on gantry columns

Single Zebra Conductor

Twin Zebra Conductor