1. 1
REPORT PRESENTATION ON
STUDENT INDUSTRIAL WORK EXPERIENCE SCHEME (SIWES)
AT
MBS ENGINEERING LIMLTED, ABUJA.
(BUILDING SERVICES AND CONSULTANCY COMPANY)
BY
AHMED USMAN
U09EE1048
DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING
AHMADU BELLO UNIVERSITY, ZARIA.
APRIL, 2014

2. 2
INTRODUCTION
 SIWES is a program designed by the university to
expose students to the practical aspects of their course
of study.
 MBS Engineering Limited provides sustainable
mechanical and electrical services for buildings,
institutional and industrial complexes.
AHMED USMAN U09EE1048

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AIM AND OBJECTIVES
 To acquire practical experience and professional
skills in the course of study.
AHMED USMAN U09EE1048
 Skills that will serve as an aid to prospective
employment after graduation.

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OUTLINE OF THE TRAINING
 ELECTRICAL SERVICES DESIGN
 Lighting design
 Power design
 Distribution board design
 Schematics design
 Cable sizing
 External lighting design
AHMED USMAN U09EE1048

5. LIGHTING LOAD DESIGN
 This is the installation of sufficient number of
lamps and switches for a building.
 The number of lamp is calculated using lumen
method.
AHMED USMAN U09EE1048
5
No. of lamps =
Area X Lux
Lamp lumen X Maintenance factor

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AHMED USMAN U09EE1048
Figure 1: Lighting points design for a simple flat

7. POWER LOAD DESIGN
 This is the installation of sufficient number of
accessories and load points.
 This accessories includes Sockets, CCU, air conditions,
water heaters, television outlets etc.
AHMED USMAN U09EE1048
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AHMED USMAN U09EE1048
Figure 2: power Design for a simple flat

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DISTRIBUTION BOARD DESIGN
 This is the design of a board that will distribute power
to each point in a building.
AHMED USMAN U09EE1048
𝑃𝑑 = √3𝐼𝑉𝑐𝑜𝑠∅
 The design is based on calculation of total power
and current.

10. A) 1Φ, SIX WAYS. B) 3Φ, FOUR WAYS.
10
AHMED USMAN U09EE1048
DISTRIBUTION BOARD cont’
Figure 3: Distribution Board Schematics Design

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SCHEMATIC DESIGN
 This is the design of system layout
AHMED USMAN U09EE1048
Figure 4: Schematic Design For Lighting And Power DB’s

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CABLE SIZING
The following points are considered in sizing a cable
 Diversity factor
 Current carrying capacity
 Permissible voltage drop
Allowable (DV) < 2.5% of total voltage
AHMED USMAN U09EE1048

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ELECTRICAL GRAPHICAL SYMBOLS DESIGN
 This is the design of symbols that represent the
electrical accessories.
AHMED USMAN U09EE1048
Figure 5: electrical symbol representation

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EXPERIENCE ACCOMPLISHED
 Use of AutoCAD (drafting tool).
 An Insight into electrical services design.
 Preparation of bill of quantity.
 Wiring and installation of electrical accessories.
 Detection of electrical fault in a building.
AHMED USMAN U09EE1048

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CONCLUSION
 As a student of Electrical Engineering, I have been
able to achieve the relevant and effective practical
industrial training and experiences within period at
MBS Engineering LTD.
AHMED USMAN U09EE1048

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THANK YOU