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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
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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
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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
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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
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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
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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
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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
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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
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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)
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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)
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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)
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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)
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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)
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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
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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
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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)
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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)
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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)
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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
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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
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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
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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