Electrical works at The School of Earth Environment and Sustainability Science Building at IISER, Thiruvananthapuram

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 modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required. (switch and cover plate for UPS lighting shall be in black colour) GroupC

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

2 x 4 sq.mm + 1 x 4 sq.mm earth wire

4 x 6 sq.mm + 2 x 6 sq.mm earth wire

4 x 16 sq.mm + 2x 6 sq.mm earth wire (For Raw Power DB)

Supplying and fixing following size/modules, GI box for modular switches in recess etc as required.

2 Module

3 Module

6 Module

8 Module

Supplying and fixing following modular base & cover plate on exisitng modular metal boxes as required.

1 Module (white)

2 Module (white)

3 Module (Black)

3 Module (white)

6 Module (Black)

6 Module (white)

8 Module (Black)

8 Module (white)

Supplying and fixing following modular switch/socket on the existing modular plate & switch box including connections but excluding modular plate & swich box etc as required.

5/6A switch (Black)

5/6A switch (white)

3pin 5/6A socket (Black)

3pin 5/6A socket (white)

15/16A switch (Black)

15/16A switch (white)

6 pin 15/16A socket (Black)

6 pin 15/16A socket (white)

RJ 45 Data socket (white)

Installation of 4/8/12Way surface/recess mounting , vertical type, 415 V, TPN MCB distribution board of sheet steel,for mounting MCBs as incomer & outgoings as required and as directed by Engineer incharge but without MCBs. (Legrand make DB shall be issued by the Department; all other materials like steel fastener, cement, paint, sand etc. to complete the work in all respect shall be the scope of contractor.)

Installation of 4/8/12Way surface/recess mounting , Vertical type, 415 V, 160A TPN MCCB distribution board of sheet steel,for mounting MCCB as incomer and MCBs as outgoings and as required & directed by Engineer incharge but without MCCB & MCBs. (Legrand make DB shall be issued by the Department; all other materials like steel fastener, cement, paint, sand etc. to complete the work in all respect shall be the scope of contractor.)

Supplying and fixing 5A to 32A rating, 240V, 10kA, "D" curve single pole miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Make : Legrand

Supplying and fixing 63A rating, 415V, 10kA, "D" curvefollowing pole miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.Make : Legrand

Three pole

Four pole

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

Supplying and fixing following rating four pole 415V RCCB having sensitivity current 100mA with model satisfying enhanced immunity to unwanted tripping in the existing MCB DB complete with connections, testing and commissioning etc. as required. Make : Legrand

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

Supplying and fixing 4P sheet steel enclosure on surface/recess along with 25/32A 415V "D" curve 4P MCB complete with connections, testing and commissioning etc as required.

Supplying and fixing DP IP65 enclosure on surface/recess along with 25/32A 240V "D" curve DP MCB complete with connections, testing and commissioning etc as required. (Enclosure Make : Legrand Plexo box or equivalent for Schneider/Hager)

Supplying and fixing 4P IP65 enclosure on surface/recess along with 25/32A 415V "D" curve 4P MCB complete with connections, testing and commissioning etc as required. (Enclosure Make : Legrand Plexo box or equivalent for Schneider/Hager)

Providing and fixing 160A 16kA 4P MCCB with thermal magnetc release and terminal spreaders in exising VDB including making connections aetc as required. Make : Legrand

Supplying and installing following size of perforated HDGI cable tray (Galvanization not less than 50microns) with perforation not more than 17.5% in convenient sections, joined with connectors, bends etc clamped on wall/suspended fro the ceiling with GI suspenders including GI bolts & nuts etc as required. (Tray for cable drop to panel is also included) (For Electrical & ELV)

225mm width x 50mm depth x 1.6mm thickness

150mm width x 50mm depth x 1.6mm thickness

Supply of following XLPE insulated FRLS power cable of 1.1kV grade of following size as required.

4Cx150Sq.mm Ar. Al XLPE FRLS cable

4Cx50Sq.mm Ar. Al XLPE FRLS cable

4Cx25Sq.mm Ar. Al XLPE FRLS cable

1Cx70Sq.mm Un Ar. Cu XLPE FRLS cable

Supply of following XLPE insulated FRLS power cable of 1.1kV grade of following size as required.

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

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

Above 35sq.mm and upto 95sq.mm (clamped with 25x3mm MS flat clamp)

Supplying and making end termination with gland and lugs for following size of PVC insulated and PVC sheathed / XLPE aluminum conductor cable of 1.1kV grade as required. Make : Dowells/Jainson

4Cx150Sq.mm Ar. Al XLPE FRLS cable (with brass cmpression gland and aluminium lugs)

4Cx50Sq.mm Ar. Al XLPE FRLS cable (with brass cmpression gland and aluminium lugs)

4Cx25Sq.mm Ar. Al XLPE FRLS cable (with brass cmpression gland and aluminium lugs)

1Cx70Sq.mm Un Ar. Cu XLPE FRLS cable (with Nylon PG gland and copper lugs)

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Supplying and laying 25 mm X 5 mm copper strip at 0.50 metre below ground as strip earth electrode, including connection/terminating with nut, bolt, spring, washer etc. as required.(Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm)

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

Providing and fixing 4.00mm dia copper wire on surface or in recess for loop earthing as required

Supply, installation,testing and commissioning of online IGBT based double conversion transformer free modular UPS of capacity 75 KVA(N+1 redundancy module) having expandable frame size of minumum 125kVA,three phase input, 415 Volts ±15%, 50±3 Hz, and three phase output 415 Volt ± 1%, 50 Hz, sinusoidal waveform , ,efficiency > 96% at 25% to 100% of load, automatic UPS bypass arrangement on overload or UPS failure, capable to handle overload of 125% for minimum 1 minutes and 150% for minimum 10sec, with network and modbus card to monitor the operation of UPS, IP 20 or more rated cabinet,built in dust filter, suitable ventilation arrangement, suitable capacity battery circuit breaker, AC/DC power and control cables, other accessories set as per Technical Specifications. Note: 1. UPS shall be compatible for 2 string battery banks 2. UPS should be IGBT based Rectifier and IGBT based Inverter 3. The UPS should be N+1 modular, incase of failure of one module, the remaining modules should catering the load. 4. UPS shall be latest batch not older than 6 months from the date of manufacturing 5. Warranty : 5 years 6. Make: Vertiv/Eaton/Legrand(Numeric)

Supply, installation , testing and commissioning of two battery banks (one redundancy) of suitable capacity 12Volt VRLA battery to provide 15minutes backup at full load for the UPS as specified in item no. 25 with battery racks made up of metal channels to place above batteries, cables, fusebox and required switchgear to operate battery banks in parallel in complete. Note: 1. Battery sizing shall be based on Unity Power Factor and cut off voltage 10.5 V 2. Suitable links,required accessories to be provided, painting of the stand, 3. Batteries shall be in full charged condition and latest batch not older than 6 months from the date of manufacturing 4. Batteries make: Quanta-Amaron 5. Warranty : As per manufacturer warranty

Supplying, fabrication, installation,testing and commissioing of cubicle type prewired LT Panel suitable for 415 Volt, 3 phase, 4 wire 50 HZ AC supply system, floor mounted, fabricated in compartmentalized design from CRCA steel of 1.6 mm thick for frame work and covers, 3 mm thick for gland plates, including finishing with powder coated, dust and vermin proof complete with 7 tank process having extensible type aluminium bus bar with full rated neutral of high conductivity ,3 mm FRP / SMC Sheet for shrouding, base frame of M.S. channel section of not less than 75 mm x 40 mmx6mm thick, copper earth bar of size 25mmx 5mm or at the rear with 2 No. earth stud, complete with 1.5sqmm FRLS PVC insulated copper conducter for control wires, cable alleys, cable gland plates, including following : All MCCB shall have ICu =100% ICs MCCB shall be operated using rotary handle Free standing, floor mounting Switchboard fabricated out of 16SWG CRCA sheet with Bottom Cable entry at incomer & Top cable exit at outgoing side.

Main Panel: Incomer: 400A,36kA,4 pole, Moulded Case Circuit Breaker with Thermal magentic,earth fault and shunt release-1no. Out going: 250A,36KA, 4 pole Moulded Case Circuit Breaker with Thermal magnetic release – 2nos. 160A,36KA, 4 pole Moulded Case Circuit Breaker with Thermal magnetic release – 2nos. Bus bar: 4 Strip aluminium bus bar of 400 A, 415 V capacity with full rate neutral, heat shrinkable coloured sleeves complete for withstanding 35 KA fault - 1 set Metering and indications: Multifunction meter Class 1.0 for measuring voltage, current, power factor, frequency, THD, power, kWH,kVA,kVAR, kVARh, with RS485 port -1 no. Current Transformer- Cast resin 400/5A with class- 1 accuracy and 15 VA burden - 3nos. RYB phase indicating LEDs-3nos. Trip, ON, OFF indicating LEDs-3nos. 2A control SPMCBs-4nos. Surge Suppresser of type2 3P+N 40kA -1no.

UPS Panel: Incomer: 250A,36kA,4 pole, Moulded Case Circuit Breaker with Thermal magentic release-1no. Out going: 125A,25KA, 4 pole Moulded Case Circuit Breaker with Thermal magnetic release – 3nos. Bus bar: 4 Strip aluminium bus bar of 250 A, 415 V capacity with full rate neutral, heat shrinkable coloured sleeves complete for withstanding 35 KA fault - 1 set Metering and indications: Multifunction meter Class 1.0 for measuring voltage, current, power factor, frequency, THD, power, kWH,kVA,kVAR,kVARh, with RS485 port -1 no. Current Transformer- Cast resin 250/5A with class- 1 accuracy and 15 VA burden - 3nos. RYB phase indicating LEDs-3nos. Trip, ON, OFF indicating LEDs-3nos. 2A control SPMCBs-4nos.

Supply and installation of 250A, 4pole, MCCB isolator on Wall mounted Enclosure fabricated out of 16SWG CRCA sheet with Top/bottom Cable entry suitable for terminating 1Rx4Cx 150Sq.mm al Ar. Cable on top and bottom cable exit suitable for termination of 4Rx1Cx70Sq.mm Cu flexible cable.

Supply and laying UTP 4pair CAT 6 LAN cable in the existing surface/recessed PVC conduit as required.

1 run of cable

Supplying & 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.

AKSHITH ELECTRICALS

FI-TEC POWER SOLUTIONS PVT. LTD

HELSA ELECTRICALS PRIVATE LTD