Providing electric connection for tower AC units in Directorate

Amount

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

3 x 4 sq. mm

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

4 X 4 sq. mm + 2 X 4 sq. mm earth wire

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

Above 95 sq. mm and upto 185 sq. mm (clamped with 25/40x3mm MS flat clamp)

Supply and laying one number of the 8 SWG good quality bare copper wire along the cable with connections etc. as required

Supplying and fixing 4 pole MCB metal enclosure on surface / recess, complete with earth bar, din bar, detached gland plate, interconnection, phosphetized and powder painted including earthing etc. as required.

Supplying and fixing DP sheet steel enclosure on surface/ recess along with 25/32 A 240 V "C" curve DP MCB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MOB DB complete with connections, testing and commissioning etc. as required.

Triple pole

Triple pole and neutral

Single pole

Supplying and fixing 3 phase 8 way (8+24), double door, suface/recess mounting, vertical type, 415 V, TPN distribution board with provision for fixing MCCB as incomer and TP MCB as out going, complete with 200 A tinned copper bus bar, common neutral link, earth link, din bar for mounting MCBs, detachable gland plate, interconnections, earthing, phosphatized and powder painted, fixing using bolt and nut, giving connections etc. as required. (But without MCCB, MCB)

Providing and fixing following rating and breaking capacity and pole MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required.

100 A,30KA,FPMCCB

Providing and fixing following capacity TP&N disconnector fuse switch unit inside the existing panel board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc. as required.

Supplying and fixing single pole blanking plate in the existing MOB DB complete etc. as required.

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required.

150 mm width X 50 mm depth X 1.6 mm thickness

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray "bends" (galvanisation not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required.

150 mm width X 50 mm depth X 1.6 mm thickness

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray "Tee" (galvanisation not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required.

150 mm width X 50 mm depth X 1.6 mm thickness

Supply of 1.1 kV grade 3.5C x 70 sq.mm, Aluminium conductor XLPE insulated PVC sheathed armoured power cable as required.

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

3.5C X 70 sq. mm (38mm)

Sivaprathapan KB

SANTHOSHKUMAR M

JAITECH ENGINEERS