RISING MAINS



CHAPTER-3

RISING MAINS & BUS TRUNKING

Item No.

Description

Unit

Rate

3.1

Supplying, installing on wall, testing and commissioning of

 

 

 

following capacity rising mains made of 1.6mm thick IP 42 sheet

 

 

 

steel enclosure duly painted with powder coating, wall straps,

 

 

 

fully PVC insulated 4 Nos aluminium bus bars having current

 

 

 

density   of   130   A/  sq   cm  at   nominal current  rating             in

 

 

 

convenient sections and suitable for 415 V, 3 phase, 4 wire, 50

 

 

 

Hz, A.C. supply with extension joints, fire proof barriers,

 

 

 

expansion joints, thrust pads including jointing and earthing

 

 

 

with 2 runs of galvanised iron strips etc. as required. (Rising

 

 

 

mains confirming to IS 8623, TEC 439)

 

 

3.1.1

200 A (S.C. rating for 1 sec - 15 kA)

Metre

6088

3.1.2

300 A (S.C. rating for 1 sec - 20 kA)

Metre

6342

3.1.3

400 A (S.C. rating for 1 sec - 25 kA)

Metre

7778

3.1.4

600 A (S.C. rating for 1 sec - 45 kA)

Metre

8672

3.1.5

800 A (S.C. rating for 1 sec - 50 kA)

Metre

10425

3.2

Supplying, installing, testing and commissioning of following

 

 

 

capacity TPN tap off box made of 1.6mm thick sheet steel

 

 

 

enclosure duly painted with powder coating on existing rising

 

 

3.2.1

16 A TPN

Each

8134

 

3.2.2

32 A TPN

Each

8570

 

3.2.3

63 A TPN

Each

9633

 

3.2.4

100 A TPN

Each

11082

 

3.2.5

200 A TPN

Each

17382

 

3.2.6

315 A TPN

Each

18396

 

3.2.7

400 A TPN

Each

19121

 
  Supplying, installing, testing and commissioning of following capacity TPN distribution tap off box made of 1.6mm thick sheet steel enclosure duly painted with powder coating on existing rising  mains complete with  HRC fuses, interconnections, earthing etc. as required      

3.3.1

16 A TPN, 2 way

Each

10176

 

3.3.2

16 A TPN, 4 way

Each

22681

 

3.3.3

16 A TPN, 6 way

Each

32137

 

3.3.4

16 A TPN, 8 way

Each

44493

 

3.3.5

32 A TPN, 2 way

Each

12533

 

3.3.6

32 A TPN, 4 way

Each

25581

 

3.3.7

32 A TPN, 6 way

Each

33586

 

3.3.8

32 A TPN, 8 way

Each

46667

 

3.3.9

63 A TPN, 2 way

Each

14272

 
3.3.10 63 A TPN, 4 way      
3.3.11 63 A TPN, 6 way      
3.3.12 63 A TPN, 8 way      
3.4 Supplying, installing, testing and commissioning of following capacity End Feed Unit made of 1.6mm thick sheet steel enclosure duly painted with powder coating to existing rising mains  complete  with  TPN  disconnector  FSU  and  HRC fuses,      

 

 

mounting stands, cable end box, brass compression gland,

connections, earthing etc. as required.

 

 

3.4.1

200 A TPN

Each

20366

 

3.4.2

300 A TPN

Each

22348

 

3.4.3

400 A TPN

Each

24746

 

3.4.4

600 A TPN

Each

26734

 

3.4.5

800 A TPN

Each

30098

 

3.5

Supplying, installation, including suspension, testing and

 

 

 

3.5.1

800 A

 

Metre

11652

3.5.2

1000 A

 

Metre

13755

3.5.3

1250 A

 

Metre

17695

3.5.4

1400 A

 

Metre

22044

3.5.5

1600 A

 

Metre

22119

3.6

Supplying, installation, testing and commissioning of following

 

 

 

capacity overhead distribution bus trunking with aluminium bus

 

 

 

bars having current density of 130 A/ sq cm at nominal current

 

 

 

rating in 1.6mm thick IP 42 sheet steel enclosure in convenient

 

 

 

sections with provision of tapping points for use on, 3 phase, 4

 

 

 

wire, 415 volts, 50 Hz, A.C. supply including jointing of sections,

 

 

 

bends, earthing with 2 runs of galvanised iron strips, all

 

 

 

installation accessories etc. as required.

 

 

3.6.1

200 A

Metre

6796

3.6.2

400 A

Metre

8680

3.7

Supplying, installing, testing and commissioning of following

 

 

 

capacity TPN tap off box / plug-in box made of 1.6mm thick

 

 

3.7.1

32 A

Each

7368

3.7.2

63 A

Each

8287

3.7.3

100 A

Each

9530

3.8

Supplying,  installing on wall,                           testing and commissioning of

 

 

 

following capacity Air Insulated Compact Type Rising Mains for

 

 

 

use on 3 phase 4 wire 415 volts, 50Hz A.C. supply with

 

 

 

enclosure having IP-54 rating after fixing the tap off boxes and

 

 

 

all accessories, made of 1.6mm thick steel sheet duly powder

 

 

 

coated in convenient sections complete with 4 Nos aluminium

 

 

 

bus bars having current density of 130 A/ sq cm at nominal

 

 

 

current rating, necessary joints & expansion joints, fire barrier

 

 

 

at each floor, provision of tapping at every metre, continuous

 

 

 

earthing with 2 Nos aluminium strip of suitable size (one on

 

 

 

each side) including, G.I. clamping brackets, angle iron bracket,

 

 

 

steel fasteners, connecting to earthing system etc. as required.

 

 

3.8.1

200 A Isc = 15kA for 1 second

Metre

7451

3.8.2

315 A Isc = 25kA for 1 second

Metre

8031

3.8.3

400 A Isc = 30kA for 1 second

Metre

8915

3.8.4

500 A Isc = 35kA for 1 second

Metre

10229

3.8.5

630 A Isc = 50kA for 1 second

Metre

12172

3.8.6

800 A Isc = 50kA for 1 second

Metre

16674

3.8.7

1000 A Isc = 50kA for 1 second

Metre

19273

3.8.8

1250 A Isc = 50kA for 1 second

Metre

22874

3.9

Supplying, installing on wall or suspension on ceiling, testing

 

 

 

and commissioning of following capacity Air Insulated Compact

 

 

 

Type Bus Trunking for use on 3 phase 4 wire 415 volts, 50Hz

 

 

 

A.C. supply with metal clad enclosure having IP-54 rating after

 

 

 

fixing the tap off boxes and all accessories, made of 1.6mm

 

 

 

thick steel sheet duly powder coated in convenient sections

 

 

 

complete  with  4  Nos  aluminium  bus  bars          having current

 

 

 

density of 130 A/ sq cm at nominal current rating, necessary

 

 

 

joints, elbow joints & expansion joints, fire barrier at each floor,

 

 

 

continuous earthing with 2 Nos aluminium strip of suitable size

 

 

 

(one     on     each     side)     including,     G.I.     clamping     brackets,

 

 

 

suspenders, angle iron bracket, steel fasteners, connecting to

 

 

 

earthing system etc. as required.

 

 

3.9.1

200 A Isc = 15kA for 1 second

Metre

7566

3.9.2

315 A Isc = 25kA for 1 second

Metre

8050

3.9.3

400 A Isc = 30kA for 1 second

Metre

8933

3.9.4

500 A Isc = 35kA for 1 second

Metre

10301

3.9.5

630 A Isc = 50kA for 1 second

Metre

12152

3.9.6

800 A Isc = 50kA for 1 second

Metre

15653

3.9.7

1000 A Isc = 50kA for 1 second

Metre

18066

3.9.8

1250 A Isc = 50kA for 1 second

Metre

21084

3.10

DELETED

 

 

3.11

Supplying, installation, testing & commisioning of following  capacity End Feed Unit for the existing Air Insulated Compact  Type bus trunking/ rising mains for use on 3 phase 4 wire 415  volts, 50Hz A.C. supply made with 1.6mm thick steel sheet  enclosure (IP54) duly powder coated with provision of  MCCB/ACB (but without MCCB/ACB) complete with necessary  joints including clamping brackets, angle iron bracket, steel  fasteners, connecting to earthing system etc. as required

 

 

3.11.1

200 A 15kA SC for 1 sec

Each

5513

3.11.2

315 A 25kA SC for 1 sec

Each

5738

3.11.3

400 A 30kA SC for 1 sec

Each

7307

3.11.4

500 A 35kA SC for 1 sec

Each

7645

3.11.5

630 A 50kA SC for 1 sec

Each

9344

3.11.6

800 A 50kA SC for 1 sec

Each

11017

3.11.7

1000 A 50kA SC for 1 sec

Each

12328

3.11.

1250 A 50kA SC for 1 sec

Each

13005

3.12

Supplying,  installation,  testing & commisioning of following  capacity  Plug  In/  tap off  box on the existing Air Insulated

   

 

MCCB/ACB (but without MCCB/ACB) complete etc. as required

 

3.12.1

125 A 15kA SC for 1 sec

Each

6358

3.12.2

200 A 25kA SC for 1 sec

Each

8048

3.12.3

250 A 30kA SC for 1 sec

Each

10350

3.12.4

400 A 35kA SC for 1 sec

Each

10350

3.12.5

500 A 50kA SC for 1 sec

Each

14919

3.12.6

630 A 50kA SC for 1 sec

Each

14919

3.13

Supplying, installing by suspension on ceiling, testing and commissioning of following capacity Sandwich Type Rising Mains for use on 3 phase 4 wire 415 volts, 50Hz A.C. supply with metal clad enclosure having IP-54 rating after fixing the tap off boxes and all accessories, made of 1.6mm thick steel sheet duly powder coated in convenient sections complete with 4 Nos aluminium bus bars having current density of 130 A/ sq cm at nominal current rating, necessary joints, elbow joints & expansion joints and bends, fire barrier at each floor, provision of tapping at every metre, adopter box and copper flexible for joints, continuous earthing with 2 Nos aluminium strip of suitable size (one on each side) including, G.I. clamping brackets, suspenders, angle iron bracket, steel fasteners, connecting to earthing system etc. as required

 

 

3.13.1

400 A 25kA SC for 1 sec

Metre

12022

3.13.2

500 A 30kA SC for 1 sec

Metre

12837

3.13.3

630 A 50kA SC for 1 sec

Metre

13833

3.13.4

800 A 50kA SC for 1 sec

Metre

15554

3.13.5

1000 A 50kA SC for 1 sec

Metre

17374

3.13.6

1250 A 50kA SC for 1 sec

Metre

19356

3.13.7

1600 A 50kA SC for 1 sec

Metre

23430

3.13.8

2000 A 50kA SC for 1 sec

Metre

27775

3.13.9

2500 A 50kA SC for 1 sec

Metre

35688

3.13.10

3200 A 50kA SC for 1 sec

Metre

39364

3.13.11

4000 A 50kA SC for 1 sec

Metre

68210

 

Note:- This item of sandwich type rising mains & rates can be

 

 

 

used by field units for sandwich type bus trunking also by

 

 

 

making suitable modifications in nomenclature & rates etc.

 

 

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