Electrical work

Amount

Design, Making, Supply, Erection, testing and commissiong of 250 KVA Auto Matic Voltage regulator Oil Cooled, Indoor type Double Copper Wound as per IEC60950; IS 2026/77; IS 9815-94, Micro Type as per the following specifications : a. A.C. Input Supply 380V – 480V, 50Hz, 3P 4W b. Frequency Variation 48-52Hz c. A.C. Output 415V ±1% 50Hz, 3P 4W d. Current Amp 349 Amps e. Voltage correction 70V/S,(PH TO PH) f. Guaranteed efficiency at rated load% 96% g. Output Voltage Regulation < ± 1% in Full load condition h. Response Time< Less than 10 mili sec (Half Cycle) i. No load Loss/Full load Loss Less than 2.5 % of total capacity j. Short-circuit Protection 125% for 300 msec k. 1 Over voltage /Under voltageprotection Yes 415V+ 10% / -15% l. Overload Protection Yes 110% of total capacity m. Enclosure Degree of protection IP-65 Oil Tank The AVR should be fit with Incoking 400 Amps MCCB for input control. It should be fitted with necessary indications for Voltage, Current, frequency for both input and output.Also it should be fitted with over/under Voltage, over load, Input/output ON, Input Low/High, output Cut-off.

Charges for shifting of existing Automatic power factor panel from the existing location, including rerouting and lying of new control cable for the same.

Supply and Erection of 500mm x 50mm x 1.6mm thick ladder type cable tray from existing panel room to new proposed panel area.

Supply and providing of Plate Earth electrode with 3mts of Class ' B ' GI pipe 40 mm and 3mm thick of copper plate of size 24" x 24" x 3 mm riveted to the pipe at one end and providing a funnel at the top end with 2runs of 25mm x 3mm copper flat from the copper plate to the top of the electrode and embedding the above electrode in a pit to be excavated at a depth of 3mt and of size 60cm x 60cm and filling up the pit with charcoal, salt, sand.

Supply and clamping of 31/2 x 400 sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps.

Supply and fixing of brass cable gland for 3-1/2 x 400 sq.mm. PVC armoured LTUG cable with earth connection.

Supply and providing cable end termination of 31/2x400 sqmm PVC LTUG Aluminium armoured cable with necessary aluminium cable sockets by crimping etc. with electrical connection complete.

Supply and fixing of 48W Street Light on existing GI pipe on wall with suitable necessary connection. (Havells/Philips/Equivalent)

Supply and fixing of 30W Led Light fitting (Helia Cut off) on gate with with suitable necessary connection. (Klite/Equivalent)

Supply and fixing of 2 nos.6A two module 5 pin socket , 2 nos. 6A one module switch on suitable module surface mounting Box ( Plastic ) with module cover plate (plastic) on wall with connections. Lower End

Supply and fixing of 2 nos. 6/16A two module socket , 2 nos. 16A one module switch on suitable module surface mounting Box ( Plastic ) with module cover plate (plastic) on wall with connections. Lower End

Supply and fixing of 20A DP plug and socket in sheet enclosure with 32A DP MCB in flush with wall with earth connection (For AC Plug)

Supply and fixing of 32A DP MCB with Suitable enclosure box on wall with earth connection.

Supply and fixing of 40A DP Change Over MCB with Suitable enclosure box on wall with earth connection. (Hager/Equivalent Make)

Supply and run of 2 of 4 sq.mm. (56 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection of 14 SWG TC wire with painting of suitable colour.

Supply and Run of 2 of 2.5 sq.mm. (36/0.3) PVC insulated SC unsheathed copper conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection of 14 SWG TC wire with painting of suitable colour.

Supply and run of 2 of 6 sq.mm. (84 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection of 14 SWG TC wire with painting of suitable colour.

Supply and fixing of 8 way single pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 40A DP MCB switch as incoming and 6 nos. 10A to 32A SP MCB as outgoing on wall with earth connection only. (Higher End)

Supply and fixing of 4 way Vertical Triple pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 63A 4P MCB switch as incoming and 12 nos. 6A to 32A SP MCB as outgoing on wall with earth connection only.(Legrand/Hager/Equivalent) Higher End

Supply and clamping of 3 1/2 x 25 sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps.

Supply and fixing of brass cable gland for 3-1/2 x 25 sq.mm. PVC armoured LTUG cable with earth connection.

Supply and providing cable end termination of 3-1/2 x 25 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete.

Earthing as per the ISI specification with an earth electrode of 2.1mt class 'B' GI pipe of dia not less than 40mm, with copper earth plate of size 125mm x 50mmx6mm, with necessary funneling arrangements with necessary masonry work and with 38mm RCC cover slab for the brick masonry.

Supply and Run of 1 of No.8 SWG copper wire in suitable PVC rigid pipe on wall / floor / ground for earth connection.

Supply and erection of 2.0 TR capacity high wall mounting Split Air –conditioner conditioning to IS 1391 (part-2) 1992 with amendment No.1 except power consumption (norms) fixed with hermetically sealed compressor operation R 22 Non CFC for wall mounting with minimum guaranteed cooling capacity and maximum power consumption suitable for operation on 230 Volt , 50 Hz, Ac power supply complete performing following functions. 1. Cooling 2. De- humidifying 3. Air circulating 4. Filtering (Make: Carrier/Llyod/Equivalent)

Supply and fixing of 5 KVA wall mounting type Automatic voltage stabilizer with time delay arrangements suitable for operation at 230 Volt, 50 Hz, AC power supply (Make: V –Guard/ Equivalent)

Supply and fixing of suitable MS angle iron frame work support to the outdoor unit.

Supply and laying of 5/8” & 3/8” copper refrigirent pipe with 3 core cord wire and insulation etc

Supply and fixing of water drain pipe line (1” PVC Pipe)

Charges for Removing, Shifting and refixing the existing 1 no Split Ac units with complete General Service (Top up gas, Filter Cleaning, replacement of Capacitors)

Supply and fixing of 3 nos 250A HRC fuse in the cubical type main switch in the panel with suitable necessary connections.

Supply, fixing and termination of RJ 45 I/O box with face plate and back box for LAN. Make:D-Link/Equivalent

Supply and laying of CAT 6 cable in existing 1” PVC pipe including numbering and ferruling (For LAN).Make:D-Link/Equivalent

Supply and fixing of 18W round Surface Led Light fitting on ceiling with suitable necessary connection. (Havells/philips/Equivalent)

GAJENDRAA ELECTRIC COMPANY