Electricity exists in a form that is useful to exploit, notwithstanding, it will also be important to install electricity as efficiently equally possible, and design of the ability distribution system should be convenient then as to minimize ability losses. This paper analyses the electrical service design of a Storey building using the lumen method for the lighting calculations. The purpose of this piece of work is to nowadays a suitable approach to electrical services design based on the provision of the Institution of Electric Engineers (lEE) Regulations, which includes lighting, power, distribution boards schematics. The results of the whole analysis and design was illustrated with AutoCAD awarding. This work gives a directly arroyo from design of the electrical services to the installation stage. The results of the calculations in the design helps the designer to brand vital decisions such every bit types of luminaries, sizes of cables and nominal ratings of protective devices required by each excursion and by the entire installation in line with appropriate standards and regulations.

Figures - uploaded by Najeem Olawale Adelakun

Author content

All effigy content in this area was uploaded by Najeem Olawale Adelakun

Content may be subject to copyright.

Bring together for gratuitous

ISSN: 2456-9348

Vol (04) _Issue (01) Bear upon Factor: 4.520

International Periodical of Engineering science Engineering science Research & Management

IJETRM (http://ijetrm.com/) [28]

DESIGN OF AN Electrical INSTALLATION OF A STOREY

Edifice

Najeem O. Adelakun

Banji A. Olanipekun

Samuel O. Asogba

Section of Electrical / Electronic Engineering, The Federal Polytechnic, Ilaro, Ogun

State, Nigeria.

adelakunnajeem@gmail.com

ufcitebanji@gmail.com

ABSTRACT

Electricity exists in a class that is useful to exploit, however, it volition also be important to install electricity as

efficiently adue south possible, and design of the ability distribution system should be convenient and so as to minimize

ability losses. This paper analyses the electrical service blueprint of a Storey building using the lumen method for

the lighting calculations. The purpose of this work is to present a suitable arroyo to electrical services design

based onorth the provision of the Institution of Electrical Engineers (lEE) Regulations, which includes lighting,

power, distribution boards schematics. The results of the whole analysis and design was illustrated with

AutoCAD application. This westork gives a direct approach from pattern of the electrical services to the installation

stage. The results of the calculations in the design helps the designer to make vital decisions such as types of

luminaries, sizes of cables and nominal ratings of protective devices required by each excursion and past the entire

installation in line with appropriate standards and regulations.

KEYWORDS:

Design, AutoCAD, lumen, IEDue east, Electrical, lighting.

INTRODUCTION

Every electrical installation exist it residential, commercial or industrial buildings is preceded by a careful plan or

pattern. Designs for building installations involves various calculations based on several factors which includes;

type of building, purpose of building, physical edifice parameters. (Olatomiwa, et al. 2012). There are several

Standards and regulatory bodies such as the IEE (Institute of Electrical Engineers), BSS (British Standard

Specification), NEC (National Electric Code), NERC (Nigerian Electricity Regulatory Commission), IES

(Illuminating Applied science Society) and NESIS (Nigerian Electricity Supply and Installation Standards) and

many more thursdayat regulate the electrical service blueprint. Due eastlectrical design is the procedure that involves planning,

creating, testing, and installation of electric equipment in accordance with the approved regulations, the design

includes lighting layout, ability layout, power distribution layout, fire prevention layout systems, public accost

organization and shut excursion Telly layout and vox and information communications layout pattern. (learn, 2019).

The important expanse covered in this paper are: Lighting layout pattern, Power layout design, Cables sizing,

Protection arrangement pattern. Electricity exists in a form that is useful to exploit, however, it will as well be important

to install electricity every bit efficiently equally possible, and design of the power distribution system should be convenient

and so as to reduce power losses and voltage drops. Every building or office of building apartment illumination level

varies in terms of illumination level, number of socket outlets, accessories and electrical appliance. The

illumination level of each portion is different depending on the purpose information technology is really meant for. The blueprint was

based strictly in accordance westwardith the institution of electrical eastwardngineers (lEE) Regulations and due southeveral standard

regulatory bodies while adequate provisions were made for flexibility so as to brand provision for future

expansion. Many factors were put into consideration during the design. Some of these include safety, durability,

flexibility of installation, and cost of installation.

ISSN: 2456-9348

Vol (04) _Issue (01) Impact Gene: four.520

International Journal of Technology Technology Research & Management

IJETRM (http://ijetrm.com/) [29]

METHODOLOGY

There are ii essential methods for determine the type of luminaires to be use. The 2 fundamental methods are called

the point by point method and the lumen method.

The Bespeak by Signal method which is also known adue south inverse square law can be used to determine what is needed

to produce a given level of illumination on a given area. This approach is non used frequently because of its

complexity and its limitations. It is thouostly used when at that place is need to determine the illumination levels

produced by single or multiple fixtures for inundation lighting and recess lighting, while the Lumen method of

lighting design is a frequently used approach of lighting design, which is acceptable, if the lighting luminaires

are to be installed overhead in a conventional pattern. In this project the lumen method was used to calculate the

lighting point needed in each room and the total lumen is expressed mathematically every bit follows.

Where,

N = the number of lamps required.

E = the illuminance level required (lux)

A = area of the working airplane height (m2)

∅ = the average luminous flux from each lamp (lm)

MF= maintenance cistron, an allowance for reduced low-cal output due to deterioration and dirt.

UF= utilization factor, an allowance for the light distribution of the luminaire and the room

surfaces.

Lighting Design Calculation

For the calculation, the tabular array beneath shows building area with their dissimilar illumination levels.

Tabular array ane.0 showing the values for illuminance (IES lighting handbook)

Table i.0 showing the values for illuminance (IES lighting handbook)

Source: Illuminating Engineering Society (IES) lighting handbook

Lighting Points Required On the Ground Floor

Tabular array 2.0 and 3.0 below shows the room type with the calculations of how the number of luminaire to be used is

determined, and the blazon of luminaire used is Compact fluorescent lamp (also known as energy saving lamp), in

this design three major types of wattages used are: i6W, (1100 lumen); 26W, (1600 lumen) and 50W, 4800

lumen respectively.

Edifice Area Light level (lux)

Restroom / toilet 150 - 300

Cafeteria – eating, dinning 150 - 300

Lobby – part, corridor, Veranda 150 - 300

ISSN: 2456-9348

Vol (04) _Issue (01) Impact Factor: 4.520

International Journal of Engineering Engineering Enquiry & Management

IJETRM (http://ijetrm.com/) [xxx]

Tabular array 2.0 Standard IES of maintenance factor

Location and condition Frequency of cleaning Maintenance cistron

Exceptionally dirty or dusty

Typical industrial location ½ yearly

2 years

0.80

0.6

Exceptionally clean location

½ yearly

Annually

two years

0.95

0.85

0.75

Table3.0: Lumen method calculation for the ground floor

Southward/N Room Type

Number of

Luminaire to be used

1. Veranda

2

2

3. Pre-Sit Toilet

1

three

five. Estimate Toilet

1

2

7. Ablution Surface area

i

3

nine. Laundry

1

ii

11. Store

1

ii

thirteen. Stair

2

3

fifteen. General Lounge

ix

10

ISSN: 2456-9348

Vol (04) _Issue (01) Impact Factor: four.520

International Journal of Engineering Technology Research & Direction

IJETRM (http://ijetrm.com/) [31]

Table 4.0: Lumen method calculation for the first floor

S/N Room Type

Number of Luminaire to

exist used

i. Balustrade

2

2. Master Bedroom

half dozen

3. Master Toilet

i

iv. Wardrobe

ane

5. Library

4

6. Girls Hostel

v

7. Daughter Hostel Toilet

1

eight. Terrace

viii

nine. Chamber

3

10 Bedroom Toilet

1

xi Corridor

3

12 Small Balustrade

1

RESULTS AND Word

After carried out the appropriate calculation in accord with required regulations and standard, the aim and

objectives of the paper was achieved. The following sections explains the assay of the results.

Electrical Legend

Information technology is a standard symbol that shows a drove of graphical representation used with detailed records of all

electric components and accessories used in a design such every bit light, fan, cooker command unit, switches, air

conditioner etc. Fig. i.0 displayed electrical legend of all symbols used in this design.

Lighting Design Layout

This is the design of electrical southwardystem that shows lighting fiftyayout positions and how they are interconnected to

i another. Lighting design layout includes the following: lighting fittings, ceiling fans, extractor fan, switches,

etc. Fig. 2.0 and 3.0 displayed electrical lighting layout design for ground floor and beginning floor respectively.

Ability Design Layout

This is the blueprint of power rating equipments that allow for the supply and distribution of electrical power

through a network to the requireast load. Power design layout includes the following: Socket outlets, Water heater

ISSN: 2456-9348

Vol (04) _Issue (01) Impact Factor: iv.520

International Journal of Engineering Engineering science Research & Direction

IJETRM (http://ijetrm.com/) [32]

outlets, Air Conditioner connections points, Distribution boards, Telephone outlets, Tv set / Satellite receiver

outlet, Data cable outlet, etc. Fig. 4.0 and 5.0 displayed electrical power layout design for footing floor and get-go

floor respectively.

Load Analysis for Distribution System

An electrical distribution organisation is the equipment that distribute all load to final sub-excursion in an electrical

installation. It includes the main switchboard, which receives the power source from the serving utility, and all

the associated components such every bit console boards that distribute alfifty the required branch circuits throughout the

facility. Part of the process of designing the distribution system is to quantify the total load which helps in load

balancing and appropriate selection of the approved distribution board, these calculations shows the full

electrical need requirements of the facility. Fig. 6.0 and 7.0 displayed a load analysis of a balanced

distribution board for ground floor and first floor respectively.

P =

3IVCOS ; Where P is the full load in KW, I current need is Amps, 5 is the voltage, Cos∅ is the

power factor

Notation: 100A, 6-Mode TP&Northward Distribution board with 100A MCB mains excursion protection is recommended, in

order to create provision for future expansion.

Fig. 1.0: Electrical Legend for a Storey Building

ISSN: 2456-9348

Vol (04) _Issue (01) Impact Factor: 4.520

International Journal of Applied science Applied science Inquiry & Management

IJETRM (http://ijetrm.com/) [33]

Fig. 2.0: Electric lighting layout design (Footing Floor)

ISSN: 2456-9348

Vol (04) _Issue (01) Impact Cistron: 4.520

International Journal of Engineering science Technology Research & Management

IJETRM (http://ijetrm.com/) [34]

Fig. 3.0: Electrical lighting layout pattern (Get-go Flooring)

ISSN: 2456-9348

Vol (04) _Issue (01) Impact Factor: iv.520

International Journal of Engineering Technology Research & Direction

IJETRM (http://ijetrm.com/) [35]

Fig. four.0: Electrical ability layout design (Ground Floor)

ISSN: 2456-9348

Vol (04) _Issue (01) Bear on Factor: 4.520

International Journal of Engineering science Engineering Enquiry & Management

IJETRM (http://ijetrm.com/) [36]

Fig. v.0: Electrical power layout design (Outset Floor)

ISSN: 2456-9348

Vol (04) _Issue (01) Impact Factor: iv.520

International Journal of Engineering Technology Research & Management

IJETRM (http://ijetrm.com/) [37]

Fig. 6.0: Load assay for distribution board (DB-A)

Fig. 7.0: Load Analysis for distribution board (DB-B)

ISSN: 2456-9348

Vol (04) _Issue (01) Bear on Factor: iv.520

International Journal of Technology Technology Inquiry & Management

IJETRM (http://ijetrm.com/) [38]

CONCLUSION

In this paper, the lumen method was used for the lighting layout design and the power layout was achieved by

using the laid downward standard table for power every bit specified by IEE regulation. Appropriate ratings of protective

devices are put in identify and there is adequate provision for future expansion. The results of the calculations in

the design helps to make vital decisions such as types of luminaries, sizes of cables and nominal ratings of

protective devices required past each circuit and by the entire installation in line with appropriate standards and

regulations, with this blueprint, it is axiomatic that the proposed edifice will be safe from electric fire outbreak. All

cables presented to be used were summated to the specified standard idue north accordance to IEE regulations and other

regulated bodies.

The electricity Standards and regulatory bodies should enact a law that will make all builders to provide an

canonical standard electrical service cartoon before whatever electrical installation must exist carried out.

REFERENCES

[1] Adelakun, N. O. (2018) Electrical Service Design of a Proposed Multipurpose Building Complex,

B.Sc. Thesis, Kinesthesia of Engineering, Olabisi Onabanjo University, Ago – Iwoye, Ogun Country, Nigeria.

[2] Adeshina Mohammad Awwal (2015) Electric Services Design of a Proposed One Storey Two

Sleeping room Twin Flat Residential Building, B.Sc. Thesis, Col. Of Natural Science, Ahmadu Bello

University, Zaria, Kaduna State, Nigeria.

[3] Brian Scaddan (2008) 17th Edition IEE Wiring Regulations: Explained and Illustrated Eighth

edition

[4] Byron Chiliad Byraiah (2016) http://world wide web.wbdg.org/design-disciplines/electrical-applied science

[5] Darrell Locke (2008) Guide to the Wiring Regulations 17th Edition IEE Wiring Regulations

(BS 7671: 2008)

[6] Fred Hall and Roger Greeno (2007). Edifice Services Handbook, fourth edition, Published by

Elsevier Limited.

[7] Hacker (2011) Merrian-Webster: Electricity in Merriam-Webster.com Retrieved May 8, 2018,

from https://www.merriam-nosotrosbster.com/lexicon/electricity

[8] IESNA (2000), The IESNA Lightinchiliad Handbook, 9th Edition, the Illuminating Engineering

Social club of North America

[ix] John Hauck (2009) Electrical Design of commercial and Industrial building, Jones and Bartlett

Publishers, LLC.

[10] Mohammed Mahmood Katoon (2009) A Projection Report in Electric Services Blueprint for 3

Bedroom Flat, B.Sc. Thesis, Faculty of Engineering, Federal University of Applied science, Minna. Niger

state, Nigeria.

[xi] Oele O. C. (2011) Building Electrical Services Desigdue north for Hostel Along Nyerere Route, B.Sc.Thesis,

Faculty of Engineering, University of Nairobi, Kenya.

[12] Okoye, C. U. & Adelakun, North. O. (2019), Design and Evaluation of Electric Services for an Energy

Efficient Home, Iconic Research and Engineering Journals, Vol. 3, Issue 6, Pp 95 - 102

[xiii] Olatomiwa, L. J. and Alabi, A. C. (2012) Design and Evolution of Calculator Software for

Residential Electrical Services Design, International Journal of Eastwardngineering and Technology. Volume 2

No. iii.

[14] Paddock, J. O and Galvin, R. A. W. (1982). Electrical Installation Technology and Practice 13th

Impression, London.

[15] Thereja, B. Fifty and Thereja, A. Thousand. (2005). A textbook of Electric Technology, First Multicolour

Edition, S. Chand & Company Ltd. Ram Nagar, New Delhi.

[16] learn.org/articles/What_is_Electrical_Design.html [Retrieved September 18, 2019]

[17] https://en.wikipedia.org/wiki/Electrical_wiring [Retrieved Oct 8, 2019]

[xviii] https://world wide web.archtoolbox.com/materials-systems/electrical/recommended-lighting-levels-in

buildings.html [Retrieved October 28, 2019]

... A distribution lath is a piece of equipment or an aggregation of parts that includes the main switchboard, fuses, or circuit breakers suitably bundled for the distribution of electrical ability to the concluding sub-circuit in an electrical installation [iv,5]. However, there are several types of distribution boards which include: main breaker panel, chief lug panel, sub-console, and transfer switch and are available in 4-way, half-dozen-way, 8-way, and 12way configurations [6,7]. ...

The intermittent power supply in the country has given ascension to the use of directly electric current (DC) source every bit a substitute, however, most devices such every bit LED lamps, refrigerators, telly, and radios are available in DC nowadays and cannot be continued to the conventional mains supply without the aid of other devices like AC to DC converters. This prompts the need for a hybrid distribution board capable of supplying Air-conditioning and DC meantime to a final sub-circuit of an electrical installation of a building where DC and Ac devices are required. Major components used are an isolator, miniature circuit breakers, and a rectifying module that convert a section of the AC source to the right voltage level to ability the DC load. The pattern was implemented and tested on a sit-in lath having ii split circuitry loads installed on information technology. The circuitry loads are DC and Air-conditioning, the DC load is comprised of a 5W DC bulb controlled with a gang switch, while the 2d circuitry is comprised of a 13A unmarried socket outlet and a 10W LED lamp controlled with a gang switch. The effect shows that both the DC and Air-conditioning output works perfectly which when encourage will minimise power consumption and make provision for the connection of DC appliances without the use of external converter and step-down transformers.

  • Syarifah Muthia Putri
  • Dina Maizana Dina Maizana
  • Muhammad Rizal Irhami

Lighting systems that are not upwardly to standard will have an impact on centre fatigue so that the work results of the staff are not optimal. This problem can exist solved past designing a lighting organisation according to the standards that take been determined through the results of previous studies. The 1st floor of the Faculty Engineering science, Universitas Medan Surface area edifice requires lighting improvements to provide comfort to all staff and lecturers. This research was conducted past measuring the value of lite intensity in each room and improving the lighting organization which was analyzed through the shape of the room, the color of the walls, and the position of the lights. The results of the study provide boosted calorie-free points and the position of the lamp co-ordinate to the utilization.

The energy efficient load is considered every bit an of import tool for efficient management of bachelor electrical energy in Nigeria because it allows electricity utility to encounter the power demand of many consumers with fiddling or no increase in power supply generation. This paper discusses the technical and economic benefit of using free energy efficient load for electric services design considering a iv-bedchamber apartment in Nigeria as a case study. Load analysis and evaluation were carried out using both conventional load and energy efficient load for electrical services. The technical benefits were determined by calculating the full energy demand, apparent power and current drawn by the four-bedroom apartment. Apparent ability and current are of import tools to decide Transformer capacity, Cable chapters and Generator capacity for the apartment. The economic benefits were determined past calculating the daily energy consumption by the four-bedroom apartment and this is a great tool in computing the daily price of electricity past the apartment. The issue shows that 41.26% of total energy demand is saved and 32.96% of daily energy consumption is saved if the energy efficient loads were used as an alternative to conventional load that four-bedroom apartment.

Nigeria is facing an astute shortage of electric power that drives economic activities. Consequently, all sectors of the economy are facing a retrogression in productivity. Besides, even much of the ability fabricated available either from the grid or self-generation is wasted due to poor installation design and use of inefficient devices and equipment such every bit filament bulbs, and fluorescent lamps (among others). This work examines the present common practice of electrical services that wastes energy with the viewing to advancing the best do that minimises overall energy / power loss. A 3-bedroom flat and an restaurant in Nigeria were used as a example study. Load inspect, analysis and calculations were made to aid in making vital decisions equally to the types and sizes of luminaires, cables and protective devices (amidst others) to be used in accordance with known standards and regulations. The results evidence that 71.eight% and 69.1% respectively of energy is saved for lighting in 3-bedroom flat and eating place; 37.iv% and xxx.8% in other loads used in three bedroom and eatery respectively. All this is as a consequence of use of frugal design and energy saving-saving devices. This further implies a saving in accented cost of energy consumed in a detail situation.

Nigeria is facing an acute shortage of electric power that drives economic activities. Consequently, all sectors of the economy are facing a retrogression in productivity. Likewise, fifty-fifty much of the power made available either from the grid or self-generation is wasted due to poor installation design and employ of inefficient devices and equipment such equally filament bulbs, and fluorescent lamps (amongst others). This piece of work examines the present mutual practice of electrical services that wastes energy with the viewing to advancing the all-time do that minimises overall free energy / power loss. A iii-chamber apartment and an eatery in Nigeria were used as a case study. Load audit, assay and calculations were made to assist in making vital decisions equally to the types and sizes of luminaires, cables and protective devices (among others) to be used in accord with known standards and regulations. The results evidence that 71.8% and 69.ane% respectively of energy is saved for lighting in three-sleeping accommodation flat and restaurant; 37.4% and 30.8% in other loads used in 3 bedroom and eating house respectively. All this is as a outcome of employ of frugal blueprint and energy saving-saving devices. This further implies a saving in accented cost of energy consumed in a item state of affairs.

  • Najeem Olawale Adelakun Najeem Olawale Adelakun

Every electrical installation must be preceded by proficient electric service blueprint, electrical service design is the graphical representation of diverse electrical loads such as lighting, power, distribution lath schematics, burn prevention blueprint, public address arrangement, CCTV installation design, etc. This piece of work presents a suitable arroyo to electrical service pattern for a multipurpose building complex in accord with relevant standard and regulations such as Institution of Electric Engineers (I.Eastward.E.), British Standard Institute (B.S.I.), Illuminating Engineering Guild (I.Due east.S.) etc. using the AutoCAD application. The upshot shows a well-balanced load system with an appropriate protection arrangement using the recommended ratings as specified in the relevant regulations and standard.

Electrical Services Blueprint of a Proposed One Storey Two Chamber Twin Apartment Residential Building

  • Adeshina Mohammad

Adeshina Mohammad Awwal (2015) Electrical Services Design of a Proposed 1 Storey Two Bedroom Twin Apartment Residential Building, B.Sc. Thesis, Col. Of Natural Science, Ahmadu Bello Academy, Zaria, Kaduna Country, Nigeria.

Guide to the Wiring Regulations 17th Edition IEE Wiring Regulations

  • Darrell Locke

Darrell Locke (2008) Guide to the Wiring Regulations 17th Edition IEE Wiring Regulations (BS 7671: 2008)

The IESNA Lighting Handbook

IESNA (2000), The IESNA Lighting Handbook, Ninth Edition, the Illuminating Engineering Society of North America

Electrical Design of commercial and Industrial edifice

  • John Hauck

John Hauck (2009) Electrical Design of commercial and Industrial edifice, Jones and Bartlett Publishers, LLC.

A Project Study in Electrical Services Design for Three Bedroom Flat

  • Mohammed Mahmood Katoon

Mohammed Mahmood Katoon (2009) A Project Report in Electrical Services Design for 3 Bedroom Apartment, B.Sc. Thesis, Faculty of Engineering science, Federal University of Engineering science, Minna. Niger state, Nigeria.

Building Electrical Services Design for Hostel Along Nyerere Road

  • O C Oele

Oele O. C. (2011) Building Electric Services Design for Hostel Along Nyerere Road, B.Sc.Thesis, Kinesthesia of Technology, University of Nairobi, Kenya.

Blueprint and Development of Calculator Software for Residential Electric Services Design

  • L J Olatomiwa
  • A C Alabi

Olatomiwa, Fifty. J. and Alabi, A. C. (2012) Design and Development of Figurer Software for Residential Electric Services Design, International Journal of Engineering and Technology. Volume 2 No. iii.