Electrical works in Annexe Building

Installation, testing and commissioning of ceiling fan, including wiring the down rods of standard length (upto 30 cm) with 1.5 sq. mm FR PVC insulated, copper conductor, single core cable etc. as required.

Supplying and fixing extra conduit down rod of 20 cm length G.I. pipe 15 mm dia, heavy gauge including painting etc. as required. (Note : More than 5 cm length shall be rounded to the nearest 10 cm and 5 cm or less shall be ignored)

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FR PVC insulated copper conductor, single core cable in existing PVC Cassing capping/PVC conduit etc as required

3 X 1.5 sq. mm

3 X 2.5 sq. mm

6 X 2.5 sq. mm

6 X 1.5 sq. mm

3 X 4 sq. mm

6 X 4 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 metal box of following sizes (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc as required.

100 mm X 100 mm X 60 mm deep

150 mm X 75 mm X 60 mm deep

180 mm X 100 mm X 60 mm deep

Supplying and fixing following piano type switch/ socket on the existing switch box/ cover including connections etc. as required.

5/6 amps switch

15/16 amp switch

3 pin 5/6 amp socket outlet

6 pin 15/16 amp socket outlet

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

Group C

Supplying and fixing of modular type switch cum socket (2plug+2socket) for UPS and for RAW Power (PC and Printer) Etc as reqd

Supplying and fixing of 4', 20W LED batten type fitting etc as reqd in addition to existing lights etc as reqd(Make:Philips/Crompton/SS)

Supplying and fixing of following size PVC Cassing and capping for circuit wiring/ UPS wiring/RAW power wiring/AC unit wiring etc as reqd (Nominal size)

Supplying and fixing of step type electronic fan regulator suitable for fixing in the existing modular type switch boards etc as reqd (Make: M/s Legrand)

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

Supplying and fixing of PVC 3/5 pin 5A switch cum socket (2plug+2socket) for PC and Printer etc as reqd

S/F of following electrical accessories /Isolators / MCBs suitable for 415V / 230V AC supply I/c interconnections etc., as required.

6-32A SP MCB

63A 4 pole Isolator

16/20 DP MCB

Supplying and fixing 16A DP MCB in suitable MS enclosure for the SAC units etc complete with connections, testing and commissioning etc. as required.

S/F of analog timer control with Quartz daily time switch suitable for operation on 230 V 50 Hz AC Supply etc as reqd ( For compound lights at BSNL Bhawan)

Supplying and Installing of 600VA UPS with minimum 3 Nos 3/5 pin sockets, over load protection etc suitable for operion on 230V 50Hz AC Supply etc complete as reqd. (APC/Numeric/Luminous)

Dismantling & shifting of 1.5 TR Split AC unit (both indoor & out door units) after testing the working condition of the AC unit from CTX VJA to 3rd floor , Annex Bldg., BSNL Bhawan by suitable transport i/c loading, unloading, pump down of refrigerant complete, labour complete as required

Installation, testing & commissioning of the 1.5TR Split AC unit which involves erection of indoor unit on surface of wall/ wooden frame, errection the outdoor unit on wall bracket, laying & connecting ref.pipe line between ID unit and OD unit by making suitable size hole to the existing walls with support arrangement on external side of building wall , connecting existing drain water line without any leakages, making power cable connections complete as required.

Supplying and laying of the refrigerant copper pipe line of sizes 5/8 " & 1/4 " ( or 1/2 " & 1/4 " ) or suitable size for 1.5 TR Split AC Units for suction and discharge lines covered with insulation foam including brazing, flaring etc as required

Providing full Gas charging for faulty AC with refrigerent i/c leak testing, vaccumising etc Complete as required.

Supplying and filling of extra refrigerant gas in the above AC units where ever reqd

Supplying & fixing of 63 mm dia rigid PVC pipe for refrigerant piping etc. complete as required.

Supplying & fixing of 63 mm dia flexible PVC pipe for refrigerant piping etc. complete as required.

Supplying & fixing of following rigid PVC pipe including bends/ couplings etc for drain water on surface of wall as required

25 mm Dia

32 mm dia

Supply & drawing following size PVC insulated copper conductor cable in existing PVC conduit as required for providing power supply to AC units/ for OD unit of split AC as required .

3 core 2.5 Sqmm

4 core 2.5 Sqmm

Supplying and Fixing of ready made outdoor unit stand to the surface of wall with anchor fastner bolts for fixing the out door unit complete as required.

Dismantling, shifting and ITC DP sheet steel enclosure on surface / recess along with 16/20 amps 240 volts "C" curve DP MCB complete including connections, testing and commissioning etc., as required.

Servicing of 1.5 TR split type AC unit including water servicing of evaporator coil/filter and condensor coil filter complete, checking of internal wiring of AC unit, tightnening the loose connections,replacing burntout wires/lugs of spare parts, ,checking the tightness of fan blades/ blower assembly etc as reqd.

P Purushshotham