Renovation and extension of existing equipment room of CNS in ATC tower at LGBI Airport, Guwahati - Electrical Works

Amount

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 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 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 medium class PVC conduit alongwith 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 medium class PVC conduit alongwith 2 Nos. 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required.

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.

2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire

4 X 16 sq. mm + 2 X 6 sq. mm earth wire

Supplying and fixing of 25mm 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 180 mm X 100 mm X 60 mm 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 A & 15/16 A socket outlet and 15/16 A piano type switch, connections, painting etc. as required.

Supplying and fixing metal box of size 200 mm X 150 mm X 60 mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc. as required.

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

5/6 A switch

3 pin 5/6 A socket outlet

Supplying and fixing of 8 way (4 + 24), Double door surface/ recess mounting, vertical type, 415 V, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 A, tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without MCBs and incomer) as required. (Note: Vertical type MCB TPDB is normally used where 3 phase outlets are required)

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

63A, 25KA (Ics=100%Icu) thermal magnetic release type 4 Pole MCCB with suitable size Spreader terminals in both end for cable termination, rotary operating mechanism and having over load and short ckt. Protections

20 A C curve 10 KA TP MCB

6 A - 32 A C curve 10 KA SP MCB

Supplying and fixing 20 A, 240 V, SPN Industrial type socket outlet, with 2 pole and earth, metal enclosed plug top alongwith 10 A, “C” curve, SP, MCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required.

Supplying and fixing 20 amps, 415 volts, TPN industrial type, socket outlet, with 4 pole and earth, metal enclosed plug top alongwith 20 amps “C” curve, TPMCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required.

Supplying and fixing 4 way MCB metallic enclosure along with 40A, FP MCB, C series 10 KA including connections, testing and commissioning etc. as required.

Supply of Recess mounted 42 W ±10% (nominal) of lumen output > 3990 lm white LED luminaire 2' x 2' in CRCA steel sheet housing including driver; acrylic or similar diffuser, along with mounting bracket prewired, suitable for operations at 230+/-10% Volts, 50 Hz, PF>=.95;. complete as required.

Supply of Recess mounted downlighter 15W ±10% (nominal) of lumen output > 1425 lm white LED luminaire including integral driver; heat sink, suitable for operations at 230+/-10% Volts, 50 Hz, PF>=.95;. complete as required.

Supply of 300mm sweep, 900 rpm heavy duty exhaust fan suitable for 230/240 volts, 50hz, single phase A.C supply with all accessories including louvers, shutters etc as required.

Installation, testing and commissioning of pre-wired, LED fittings of all types, complete with all accessories and tube/lamp etc. directly on ceiling/ wall, including connections with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable and earthing etc. as required.

Installation of exhaust fan upto 450mm by making suitable opening in the existing wall, including making the hole to suit the size of above fan, making good the damage, connection, testing, commissioning etc as required.

Extra for fixing the louvers/ shutters complete with frame for a exhaust fan of all sizes.

Supply & fixing of PVC cassing capping of size 50 x 20 mm along with accessories such as coupler, inner, outer, Tee, L etc. in surface complete as required.

Supply, installation, testing, commissioning of 3.0TR (9000 K.Cal/hr) tower type split air conditioners scroll type compressor, operating on refrigrant R-410 non CFC with copper tube condensor and evaporator units, cordless remote floor mounting suitable for operation on 415 V 50 hz, three phase, A.C. supply complete with filter, wall mounted/ floor mounted stand for indoor and outdoor units complete as required.

Supply and fixing of copper refrigerent piping suitable dimension for the 3.0TR machines complete with suction / liquid line, insulation, electrical cabling, drain pipe and all required accessories as per site requirement.

Supply, installation, testing, commissioning of 1.5TR (4500 K.Cal/hr) split type air conditioners 5 star rated with inverter type compressor, operating on refrigrant R-410 non CFC with copper tube condensor and evaporator units, cordless remote hi- wall mounting suitbale for operation on 230V 50 hz, Single pahse, A.C supply complete with filter, standard length drain & refrigerant pipe with insulation & electrical connection with wire, metallic brackets for the indoor unit & wall mounted/ floor mounted stand for outdoor units complete as required.

Supply and fixing of extra copper refrigerent piping beyond standard length suitable dimension for the 1.5TR machines complete with suction / liquid line, insulation, electrical cabling, drain pipe, all the accessories as per site requirement.

Dismantling of the existing split type AC of 1.5/2.0 TR and re-installation of the same in a new position including connection of refirgerent copper tubes between indoor and outdoor unit including gas charging complete etc. as required.

Supply of following sizes of XLPE insulated PVC sheathed Aluminium conductor armoured power cable of 1.1 KV grade confirming to IS 7098 (Part-I) with up to date amendment etc. complete as required.

3.5C x 95 sq. mm

3.5C x 50 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 cable tray as required. Above 35 sq. mm and upto 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 masonry open duct as required. Above 35 sq. mm and upto 95 sq. mm.

Supplying and making end termination with 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 95 sq. mm

3.5C x 50 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.

Supply and retrofitting of 125 Amps , 25 KA (Ics=100% Icu) thermal magnetic release type FP MCCB with suitable size Spreader terminals in both end for cable termination and having over load and short ckt. Protections on existing LT Panel including dismantling of existing MCCB complete as per site requirements.

Design, Supply, Installation, Testing and Commissioning of cubicle type, wall mounted, dust and vermin proof, indoor, fully compartmentalized LT Panel made out of 2mm thick CRCA sheet steel, totally enclosed, IP-42 protection, , powder coated painting and suitable for operation on 3 phase and neutral, 415V, 50 Hz AC system including supply and fixing of following switchgears and accessories complete with bus bars, interconnections, CTs, multi function meter and LED phase indicating lamps complete as required and as per specifications and approved make. Incomer and bus coupler (a) 125A, 25KA (Ics=100%Icu) thermal magnetic release type 4 Pole MCCB with suitable size Spreader terminals in both ends for cable and bus bars termination, rotary operating mechanism and having over load and short ckt. protections - 03 Nos.(2 incomers and 1 bus coupler) (c)100KA, 3-Phase surge diverter with neutral protection - 02 Nos. (c) Multifunction meter (VAF + PF meter) with RS485, Cl-0.5 - 02 Nos. (d) LED type indication lamps (R-Y-B) - 02 Sets. (e) Mechanical Interlocking (3 Locks & 2 keys system) - 01 set. Busbar (a) 200A, 4 strip TPN high conductivity aluminium bus bars - 01 set. Outgoings (a) 63A, 25KA (Ics=100%Icu) thermal magnetic release type 4 Pole MCCB with suitable size Spreader terminals in both end for cable termination, rotary operating mechanism and having over load and short ckt. protections - 10 Nos. (c) 63A, 4 Pole on-load manual changeover switch open execution - 05 Nos. (d) 63 A multistage 3-Phase series power filter having MOV 40KA + 25KA rating with neutral protection - 05 Nos. [Only PTTA Type Panel of approved makes is Acceptable]

Supply installation testing and commissioning of Analogue Addressable Photo Electric Smoke Detector [of same protocol of existing FDA Panel] with mounting base as per site requirement.

Supply installation testing and commissioning of Analogue Addressable Manual Call Point [of same protocol of existing FDA Panel] as per site requirement.

Supply and drawing of 2C x 1.5 sq mm shielded tinned PVC insulated copper cable in existing conduit as per site requirement.

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