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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

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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

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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

No. of lamps =

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AHMED USMAN U09EE1048

Figure 1: Lighting points design for a simple flat

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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

𝑃 𝑑=√3 𝐼𝑉𝑐𝑜𝑠∅

The design is based on calculation of total power and current.

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A) 1Φ, SIX WAYS. B) 3Φ, FOUR WAYS.

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.

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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