Replacement of life expired and faulty iron clad switches and submain wirings by new MCBDBs, submain wirings and power supply cables and removing the unwanted electrical fittings, fans, conduits and other electrical accessories at RTTC BBSR

Amount

Wiring for circuit/ sub main wiring along with earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required.

2X1.5sqmm + 1X1.5sqmm earth wire

4X1.5sqmm + 2X1.5sqmm earth wire

2X6sqmm + 1X6sqmm earth wire

2X10sqmm + 1X6sqmm earth wire

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core flexible cable in the existing surface/ recessed steel/ PVC conduit as required.

1X1.5 sq. mm

2X1.5 sq. mm

3X1.5 sq. mm

1X6 sq. mm

1X10 sq. mm

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

Supplying and fixing of 4 way vertical type, 3 phase and neutral sheet steel MCB distribution board with metal door and IP-43 protection, suitable for flush/surface mounting with 250 A copper bus bar for each phase, 2 neutral bar, 2 earth bar and cable ties for cable management, fully insulated bus bar & shrouded neutral bars, pre-fitted masking sheet, reversible door with provision for fixing 160Amps 3 pole MCCB as incomer and SP/TP MCB's as outgoing etc. as per IEC 61439-3 and grouting in wall as required.

Supply and fixing of 160 Amps 415 volts 3 pole MCCB of minimum 25KA breaking capacity with Thermal and magnetic protection, Ics = 100 Icu, Thermal adjustable 0.8 to 1In, Fixed magnetic at 10In, connection and testing etc. as required. ((Make- Legrand/ L&T / Schneider Electric/ Siemens)

Supply and fixing 4 way (8 + 12) horizontal type 3 phase and neutral MCB distribution board of sheet steel, IP-43 with metal door, suitable for flush mounting and surface mounting, with 100Amps copper bus bar for each phase with neutral bar, earth bar and cable ties for cable management, fully insulated busbar & shrouded neutral bars, pre-fitted masking sheet, reversible door with provision for fixing four pole MCB/Isolator /RCCB/RCBO as incomer and SPMCB's as outgoing etc. as per IEC 61439-3 and grouting in wall as required.

Supply and fixing following way 1 phase and neutral MCB distribution board of sheet steel, IP-43 with metal door, suitable for flush mounting and surface mounting with 100Amps copper bus bar with neutral bar, earth bar and cable ties for cable management, fully shrouded neutral bars, pre-fitted masking sheet, reversible door etc. as per IEC 61439-3 and grouting in wall as required.

12 way with metal door

8 way with metal door

4 way with metal door

Supply and fixing of Cable End box for the following IP 43 MCBDBs suitable for mounting on the top/bottom of the DB and provision for keeping extra cables/mounting terminal blocks/use as terminal box adaptor. (Make: (Same make of MCBDBs))

For TPN 4 way DB

For SPN 12 way DB

For SPN 8 way DB

For SPN 4 way DB

Supply and fixing of Cable End box for 4 way VTPN, IP 43 MCBDBs suitable for mounting on the top/bottom of the MCBDB required for keeping extra cables/mounting terminal blocks and use as terminal box adaptor etc. as required. (Same make of MCBDBs)

Supplying and fixing following rating, 240/415 V, 10 kA, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

6-32Amps Single pole MCB

40-63Amps Double pole MCB

63Amps 4 Pole MCB

Blanking plate

Supplying and fixing following rating, 240/415 V, Isolators as per IEC 60947-3 of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

40Amps Double Pole 240V

63Amps 4 pole 415V

Supply of following sizes PVC insulated & PVC sheathed /LT XLPE insulated PVC sheathed Aluminium conductor armoured cable 1100 V. grade confirming to IS:7098 (Pt-1) 1988 i/c transportation to respective sites etc. as required.

4 X 16sq.mm

4 X 25sq.mm

3½ X50 sq.mm

3½ X70 sq.mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required.

Up to 35sqmm (clamped with 1mm thick saddle)

Above 35 sq. mm and up to 95 sq. mm (clamped with 25x3mm MS flat clamp)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing Duct/Air as required.

Up to 35sqmm

Above 35 sq. mm and up to 95 sq. mm

Supply and making MV cable end terminations with brass compression gland and copper / aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE copper/aluminium conductor cable of 1.1 KV grade as required.

4 X 16 sq. mm (25mm) Copper conductor cable

4 X 25 sq. mm (28mm) Copper conductor cable

3½ X 50 sq. mm (35mm) Aluminium conductor cable

3½ X 70 sq. mm (38mm) Aluminium conductor cable

Providing and fixing 6SWG dia GI wire on surface or in recess for loop earthing along with existing surface/recessed conduit/submain wiring / cable as required.

Dismantling of existing old and obsolete metal clad switches/cutout boxes/MCBDBs along with cable end boxes, angle iron base frames including making good the damages of the wall/ceiling etc. complete as required.

Dismantling of existing old and damaged submain wires, MS/PVC conduits along with all accessories and making good the damages of the wall/ceiling etc. as required.

Grournd Floor portion of RTTC Building rented out portions to NIA

1st Floor portion of RTTC Building rented out portions to NIA

Dismantling of existing old and un-used/ surplus switch boards, power plugs, cables, wirings, MS/PVC conduits along with all accessories inside the rooms and making good the damages of the wall/ceiling etc. as required.

Grournd Floor portion of RTTC Building rented out portions to NIA

1st Floor portion of RTTC Building rented out portions to NIA

Dismantling of existing old and un-used/ surplus fittings, fans along with down rods and wires and all accessories inside the rooms etc. as required.

Grournd Floor portion of RTTC Building rented out portions to NIA

1st Floor portion of RTTC Building rented out portions to NIA