Course Title: Electrical Services Design
Type of Course: Compulsory, Sessional
Offered to: EEE
Pre-requisite Course(s): None
Familiarization with CAD tools for building services design. Introduction to building regulations, codes and standards: BNBC, NFPA etc. Terminology and definitions: fuses, circuit breakers, distribution boxes, cables, bus-bars and conduits. Familiarization with symbols and legends used for electrical services design. Classification of wiring. Design for illumination and lighting: lux, lumen, choice of luminaries for various applications- domestic building, office building and industry. Wattage rating of common electrical equipment.
Designing electrical distribution system for low and high rise domestic, office and academic buildings, for multipurpose buildings. Size selection of conductors and breakers, bus-bar trunking (BBT) system for various applications. Single line diagram (SLD) of a typical 11kV/0.415kV, 500kVA sub-station and a 200kVA pole-mounted transformer.
Earthing requirements, various earthing methods. Earthing and lightning protection system design.
Familiarization with indoor and underground telephone and fiber optic cables, UTP and CAT5/6 data cables. Designing routing layout and installation of intercom, PABX, telephone, public address (PA) systems, cable TV distribution, LAN and wireless data systems for a building.
Safety regulations, design of security systems including CCTV, burglar alarm.
Concept of fire prevention and its importance. Fire detection (smoke, heat etc.) and alarm system (with voice evacuation), firefighting system (sprinkler system, hose).
Installation of air-conditioning, heating, lifts and elevators.
To realize the steps in the electrical services design and to recognize the symbols used in plans.
To acquire knowledge about the wiring types and to learn the selection process of cables and CBs.
To obtain a good understanding of various components of an electrical plan, including general and specialized loads, lighting systems, and distribution systems.
To identify the standards and regulations that guide the electrical design processes for buildings.
To learn the procedure of designing lightning and earthing systems.
To interpret the estimation and wiring calculation for domestic/ commercial/ industrial buildings.
Fundamental understanding of Electrical/Electronic Circuits and the basics of Power Systems.
| CO No. | CO Statement | Corresponding PO(s)* | Domains and Taxonomy level(s)** | Delivery Method(s) and Activity(-ies) | Assessment Tool(s) |
|---|---|---|---|---|---|
| CO1 | understand the electrical services design concepts. | PO(a) | C2 | Lectures, Tutorials, Homework | Report. Assignment, Quiz |
| CO2 | apply the electrical services design concepts to ensure quality of lights, selection of appropriate luminaries, quantity of fans and other electrical & safety appliances | PO(a) | C3 | Lectures, Tutorials, Homework | Report, Assignment, Quiz |
| CO3 | review electrical services design | PO(b) | C4 | Lectures, Tutorials, Homework | Report, Assignment, Quiz |
| CO4 | design electrical services for domestic/ commercial/ industrial building with appropriate considerations to safety, cultural, societal, and environmental considerations | PO(c) | C6 | Lectures, interactive discussions | Report, demonstration |
| CO5 | Assess impact of electrical services design on Societal, Health, Safety, Legal and Cultural Issues | PO(f) | C5 | Interactive discussions | Report, demonstration, presentation |
| CO6 | Evaluate sustainability and impact of the designed electrical services project in the Societal and Environmental Contexts | PO(g) | C5 | Interactive discussions | Report, demonstration, presentation |
| CO7 | Demonstrate participation and leadership in designing electrical services | PO(i) | P7 | Interactive discussions | Project logbook, Peer assessment, Viva, Presentation |
| CO8 | Communicate effectively on electrical services design with presentation and detailed report | PO(f) | A2 | Interactive discussions | Presentation, Design Report |
| CO9 | Demonstrate project management and cost analysis for electrical services design | PO(k) | A3 | Interactive discussions | Presentation, Project Report |
| CO10 | recognize new tool and technology in electrical services design | PO(l) | P6 | - | - |
Cognitive Domain Taxonomy Levels: C1 – Knowledge, C2 – Comprehension, C3 – Application, C4 – Analysis, C5 – Synthesis, C6 – Evaluation, Affective Domain Taxonomy Levels: A1: Receive; A2: Respond; A3: Value (demonstrate); A4: Organize; A5: Characterize; Psychomotor Domain Taxonomy Levels: P1: Perception; P2: Set; P3: Guided Response; P4: Mechanism; P5: Complex Overt Response; P6: Adaptation; P7: Organization
Program Outcomes (PO): PO(a) Engineering Knowledge, PO(b) Problem Analysis, PO(c) Design/development Solution, PO(d) Investigation,
PO(e) Modern tool usage, PO(f) The Engineer and Society, PO(g) Environment and sustainability, PO(h) Ethics, PO(i) Individual work and team work,
PO(j). Communication, PO(k) Project management and finance, PO(l) Life-long Learning
* For details of program outcome (PO) statements, please see the departmental website or course curriculum
| K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | A1 | A2 | A3 | A4 | A5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 |
| Week | Lectures | Topic | COs |
|---|---|---|---|
| 1 | 1 | (i) Familiarization with CAD tools for building services design: Part 1. (ii) Introduction to building regulations, codes and standards: BNBC, NFPA etc. Terminology and definitions: fuses, circuit breakers, distribution boxes, cables, bus-bars and conduits. Familiarization with symbols and legends used for electrical services design. |
CO1 CO2 CO3 |
| 2 | 2 | (i) Familiarization with CAD tools for building services design: Part 2. (ii) Classification of wiring. Design for illumination and lighting: lux, lumen, choice of luminaries for various applications- domestic building, office building and industry. Wattage rating of common electrical equipment. |
CO1 CO2 CO3 |
| 3 | 3 | (i) Familiarization with CAD tools for building services design: Part 3. (ii) Designing electrical distribution system for low and high rise domestic, office and academic buildings, for multipurpose buildings. Size selection of conductors and breakers, bus-bar trunking (BBT) system for various applications. Single line diagram (SLD) of a typical 11kV/0.415kV, 500kVA sub-station and a 200kVA pole-mounted transformer. |
CO1 CO2 CO3 |
| 4 | 4 | (i) Familiarization with CAD tools for building services design: Part 4. (ii) Earthing requirements, various earthing methods. Earthing and lightning protection system design. |
CO1 CO2 CO3 |
| 5 | 5 | (i) Familiarization with indoor and underground telephone and fiber optic cables, UTP and CAT5/6 data cables. Designing routing layout and installation of intercom, PABX, telephone, public address (PA) systems, cable TV distribution, LAN and wireless data systems for a building. (ii) Safety regulations, design of security systems including CCTV, burglar alarm. |
CO1 CO2 CO3 CO4 |
| 6 | 6 | (i) Concept of fire prevention and its importance. Fire detection (smoke, heat etc.) and alarm system (with voice evacuation), firefighting system (sprinkler system, hose). (ii) Installation of air-conditioning, heating, lifts and elevators. |
CO1 CO2 CO3 CO4 |
| 7 | 7 | Describe specific technical requirements to be attained during the project Describe sustainability and impact of the work in societal and environmental contexts Arrangement of Seminar on Electrical Services Design |
CO4 |
| 8 | 8 | Present/demonstrate the technical progress of the project Describe contextual knowledge to assess societal, health, safety, legal and cultural issues relevant to the project Arrangement of Seminar on Electrical Services Design |
CO4 CO5 CO6 CO7 |
| 9 | 9 | Present/demonstrate the technical progress of the project. Checking the design problem CAD plan layout submitted by the students. Describe any necessary modification proposed to address public health and safety, cultural, societal, and environmental considerations related to the project |
CO4 CO5 CO6 CO7 |
| 10 | 10 | Present/demonstrate the technical progress of the project. Checking the design problem CAD fittings and fixture layout submitted by the students. Describe multidisciplinary aspects of the project Describe how each team member has been effectively working (individually and as a member or leader) to attain the goals |
CO4 CO5 CO6 CO7 |
| 11 | 11 | Present/demonstrate the technical progress of the project. Checking the design problem CAD switchboard and other connection layout submitted by the students. Checking the design problem CAD conduit layout submitted by the students. |
CO4 CO5 CO6 CO7 |
| 12 | 12 |
|
CO8 CO9 |
| 13 | 13 | Describe how engineering management principles and economic decision-making applied to the project. Use multimedia and necessary documentation (user manual, video demonstration and project report) to clearly communicate the project |
CO8 CO9 |
Class participation will be judged by in-class evaluation; attendance will be recorded in every class.
Continuous assessment will be done in the form of quizzes, assignments, in-class evaluations.
Design Project: In light of the concepts covered under this course, each student has to submit a complete Design on a domestic/ commercial/ industrial building. In addition to this, each student also has to submit another Design on any one of the following topics:
Communication System Design for domestic/ commercial/ industrial building
Security System Design for domestic/ commercial/ industrial building
Fire Prevention and Detection System Design for domestic/ commercial/ industrial building
Fire Suppression System Design for domestic/ commercial/ industrial building
Electromechanical System Design for domestic/ commercial/ industrial building
Earthing and Lightning Protection System Design domestic/ commercial/ industrial building
Assignment 20%
*Design Project 50% (marks distribution of the project will be declared at the beginning of the semester)
Quiz 20%
*Assessment will be performed by internal and external evaluators with industry experience
Electrical Installation Designs by B. Atkinson, R. Lovegrove, G. Gundry; Wiley, 2013
Handbook of Electrical Installation Practice edited by Geoffrey Stokes, Blackwell, 2003
Electrical Installation Calculations by A. J. Watkins, C. Kitcher, Elsevier, 2009
Bangladesh National Building Code (BNBC), 2006 (Draft 2015)
Electrical Rate Schedules, (PWD, 2014 or later)
BS7671:2008, (IEE Wiring Regulation 17th edition), IET, UK
Bangladesh Electricity and Relevant Acts (1910-2015)
Relevant Parts of NFPA
N.B. Besides going through relevant topics of the textbook, it is strongly advised that the students follow the class Lectures and discussions regularly for a thorough understanding of the topics.