1

Electrical Installation Design

of a Commercial 20 Storey

Building

An excerpt from the submitted copy of the project

report, being a partial requirement for the award of

B.Tech

These are the diagrams extracted from the full paper

design submitted to Engr. Olaomi of the EEE

Department, Ladoke Akintola University of Technology

(LAUTECH), Ogbomoso.

Ayodeji Morakinyo

12/8/2010

2

Figure 3.22: Twentieth Floor’s Elevation Design

3-phase switch fuses (power)

Main Switch

3-phase switch fuses

(lighting)

Sub-main Switch

To auxiliary loads

To central air-conditioning

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

100A main switch fuse

20th Floor Meter

Panel

From Rising Mains

Sub-main Switch

3

Figure 3.21: Nineteenth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

3-phase switch fuses

(lighting)

Sub-main Switch Sub-main Switch (cooker)

To mainframe computers

To printer circuits

To central air-conditioning

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

100A main switch fuse

19th Floor Meter

Panel

From Rising Mains

Sub-main Switch

4

Figure 3.20: Eighteenth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To auxiliary loads

To central air-conditioning

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

60A main switch fuse

18th Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

Sub-main Switch

5

Figure 3.19: Seventeenth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

To central air-conditioning

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

60A main switch fuse

17th Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

Sub-main Switch

6

Figure 3.18: Sixteenth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

3-phase switch fuses

(lighting)

Sub-main Switch Sub-main Switch (cooker)

To mainframe computers

To printer circuits

To central air-conditioning

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

100A main switch fuse

16th Floor Meter

Panel

From Rising Mains

Sub-main Switch

7

Figure 3.17: Fifteenth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To auxiliary loads

To central air-conditioning

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

100A main switch fuse

15th Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

Sub-main Switch

8

Figure 3.16: Fourteenth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

3-phase switch fuses

(lighting)

Sub-main Switch Sub-main Switch (cooker)

Sub-main Switch

To mainframe computers

To printer circuits

To central air-conditioning

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

15th Floor Meter

Panel

From Rising Mains

9

Figure 3.15: Thirteenth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch Sub-main Switch

To auxiliary loads

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

13th Floor Meter Panel

From Rising Mains

3-phase switch fuses

(lighting)

10

Figure 3.14: Twelfth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch Sub-main Switch

To auxiliary loads

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

12th Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

11

Figure 3.13: Eleventh Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

600A main switch fuse

11th Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

12

Figure 3.12: Tenth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

10th Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

13

Figure 3.11: Ninth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

100A main switch fuse

9th Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

14

Figure 3.10: Eighth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

8th Floor Meter Panel

From Rising Mains

3-phase switch fuses

(lighting)

Sub-main Switch

To Auxiliary loads

15

Figure 3.9: Seventh Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

3-phase switch fuses

(lighting)

Sub-main Switch Sub-main Switch (cooker)

Sub-main Switch

To mainframe computers

To printer circuits

To central air-conditioning

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

7th Floor Meter Panel

From Rising Mains

16

Figure 3.8: Sixth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

100A main switch fuse

6th Floor Meter Panel

From Rising Mains

3-phase switch fuses

(lighting)

17

Figure 3.7: Fifth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

100A main switch fuse

5th Floor Meter Panel

From Rising Mains

3-phase switch fuses

(lighting)

18

Figure 3.6: Fourth Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

60A main switch fuse

4th Floor Meter Panel

From Rising Mains

3-phase switch fuses

(lighting)

19

Figure 3.5: Third Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

100A main switch fuse

3rd Floor Meter Panel

From Rising Mains

3-phase switch fuses

(lighting)

Sub-main Switch

To Auxiliary loads

20

Figure 3.4: Second Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

2nd Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

Sub-main Switch

To Auxiliary loads

21

Figure 3.3: First Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

1st Floor Meter Panel

From Rising Mains

3-phase switch fuses

(lighting)

Sub-main Switch

To Auxiliary loads

22

Figure 3.2: Ground Floor’s Electrical Design

3-phase switch fuses (power)

Main Switch

Distribution fuse board

Sub-main Switch

To Air-conditioners

Busbar Chamber

Spare

Busbar Chamber

To final sub-circuits

To lighting circuits

200A main switch fuse

Ground Floor Meter

Panel

From Rising Mains

3-phase switch fuses

(lighting)

Sub-main Switch

To Lathe Machines

Sub-main Switch

To Lathe Machines