Electrical works for MDC

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface/ recessed steel conduit, with piano type switch, phenolic laminated sheet, suitable size MS box and earthing the point with 1.5 sq.mm. FRLS PVC insulated copper conductor single core cable etc as required.

Group C

Wiring for light/ power plug with 2X4 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed steel conduit along with 1 No 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required.

Wiring for light/ power plug with 4X4 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed steel conduit along with 2 Nos 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing 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.

2 x 1.5 sq. mm

3 x 1.5 sq. mm

4 x 1.5 sq. mm

Supplying and fixing of following sizes of steel conduit along with accessories in surface/recess including painting in case of surface conduit, or cutting the wall and making good the same in case of recessed conduit as required.

Supplying and fixing metal box of 150mm X 75mm X 60mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including providing and fixing 3 pin 5/6 amps socket outlet and 5/6 amps piano type switch, connection, painting etc. as required. (For light plugs to be used in non residential buildings).

Supplying and fixing metal box of 180mm X 100mm X 60mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including providing and fixing 6 pin 5/6 & 15/16 amps socket outlet and 15/16 amps piano type switch, connection, painting etc. as required.

Supplying and fixing of following ways surface/ recess mounting, vertical type, 415 volts, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCB's (but without MCB's and incomer ) as required . (Note : Vertical type MCB TPDB is normally used where 3 phase outlets are required.)

4 way (4 + 12), Double door

Supplying and fixing following way, single pole and neutral sheet steel MCB DB, 240 V, on surface /recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator)

2 + 8 way, Double door

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "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.

Triple pole

Triple pole

Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and drawing of 1" PVC flixible pipe for cables etc as reqd

Supplying and fixing Cable End Box (Loose wire box) suitable for triple pole and neutral, sheet steel, Vertical MCB distribution board, 415 V, on surface/ recess, complete with testing and commissioning etc. as required.

Supplying and fixing Cable End Box (Loose wire box)(IP 43) suitable for following single pole and neutral, sheet steel, MCB distribution board, 240 V, on surface/ recess, complete with testing and commissioning etc. as required. For 8 way, Double door SPN MCBDB

Supplying and Laying of one number XLPE insulated and PVC sheathed aluminium conductor armoured power cable of 1.1 kV grade of following size on wall surface as required.

3½ X 50 sq. mm

4 X 16 sq. mm

Supplying and Laying of one number XLPE insulated and PVC sheathed aluminium conductor armoured power cable of 1.1 kV grade of following size in the existing masonry open duct as required.

3½ X 50 sq. mm

4 X 16 sq. mm

Laying of one number XLPE insulated and PVC sheathed aluminium conductor armoured power cable of 1.1 kV grade of following size on wall surface as required.

3½ X 240 sq. mm

Laying of one number XLPE insulated and PVC sheathed aluminium conductor armoured power cable of 1.1 kV grade of following size in the existing masonry open duct as required.

3½ X 240 sq. mm

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.

3½ X 240 sq. mm

3½ X 50 sq. mm

4 X 16 sq. mm

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

Supplying, Installation, testing and commissioning of the following pre-wired LED fitting , complete with all accessories etc. directly on ceiling/ wall, including connection with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable etc. as required.

Surface/suspended type 4 Ft LED Integrated batten fitting with fire retardent extruded Plastic / metal frame with power input of 20 W and with appx 2000 Lumens, 6500K or more. (Philips /Wipro Trim LED Neo LL 20/Bajaj Baton/Cromption or Similar Superior make)

SITC of floor/ wall mounting cubicle type LT panel suitable for 415V, 3 phase, 4 wire, 50 Hz AC supply system fabricated in compartmentalized design from CRCA sheet of 2 mm thick for frame work & load bearing members and 1.6 mm for covers & doors, 2 mm thick for gland plates, powder coated in approved shade having 400 Amps 4 strips Aluminum alloy bus bars of high conductivity with heat shrinkable coloured sleeves, DMC/ SMC bus bar supports, , bottom base channel of MS section not less than 100mm x 50 mm x 5mm thick, entire panel shall have a common copper earth bar of size 25mm x 3 mm at the rear with 2 numbers earth stud, solid connections from main bus bars to switch gears with required size Al. bus bars and control wiring with 1.5 sq.mm PVC insulated copper conductor FRLS wires, cable alleys, cable gland plates in two halves, i/c providing following switch gears and providing necessary channel/angle iron supports of suitable size for mounting the panel etc as required as per specification as required.

Incoming 315 Amp 4 Pole Switch disconnector fuse unit with HRC fuses - 2Nos. with mechanical inter locking Mechanism.

Out going - 250 Amp 3 Pole SDF with HRC fuses- 04 Nos 125 Amp 3 pole SDF with HRC fuses-1 No 63 Amp 3 pole with HRC fuses- 2 Nos

Metering Panel a. Digital VAF (96X96 mm) - 1 No. b. Suitble rating CTs - 1 Set c. RYB LED Indication Lamp - 1set

Note: The panel drawing shall be got approved by the Engineer in charge before fabrication.( All Items shall be BSNL approved make)

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

K SRINIVASA RAO