22627: Electrical Estimation and Contracting Syllabus for Electrical Power System 6th Sem I – Scheme MSBTE

Electrical Estimation and Contracting detailed Syllabus for Electrical Power System (EP), I – scheme has been taken from the MSBTE official website and presented for the diploma students. For Subject Code, Subject Name, Lectures, Tutorial, Practical/Drawing, Credits, Theory (Max & Min) Marks, Practical (Max & Min) Marks, Total Marks, and other information, do visit full semester subjects post given below.

For all other Diploma in Electrical Power System (EP) Syllabus for 6th Sem I – Scheme MSBTE, do visit Diploma in Electrical Power System (EP) Syllabus for 6th Sem I – Scheme MSBTE Subjects. The detailed Syllabus for electrical estimation and contracting is as follows.

Rationale:

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Competency:

The aim of this course is to help the student to attain the following industry identified competency through various teaching learning experiences:

• Plan electrical installations with their cost estimates.

Course Outcomes:

The theory, practical experiences and relevant soft skills associated with this course are to be taught and implemented, so that the student demonstrates the following industry oriented COs associated with the above mentioned competency:

1. Interpret various electrical diagrams.
2. Prepare estimate of domestic and commercial electrical installations.
3. Prepare estimate of industrial electrical installations.
4. Prepare estimate of overhead and underground distribution lines.
5. Prepare estimate of public lighting installations.
6. Prepare quotation, tender and other related documents.Suggested Practicals / Exercises The practicals in this section are PrOs (i.e. sub-components of the COs) to be developed and assessed in the student for the attainment of the competency.

Practical Outcomes

1. Summarize given section of National Electrical Code (NEC), 2011
2. Interpret given single line diagram of any one existing residential/commercial installation.
3. Design electrical installation scheme for given 1BHK residential unit/ electrical laboratory.
   1. Sketch installation plan showing location of accessories and switch boards.
   2. Calculate total load, number of light and power subcircuit and select proper main switch and distribution board.
   3. Sketch various electrical diagrams required for execution of installation work.
   4. Calculate length of wire, length of conduit and other accessories and estimate the cost of installation including labour charges and contingencies
   5. Draw various electrical diagrams required for execution of installation work using CAD.
4. Design electrical installation scheme of given factory/ small industrial unit.
   1. Sketch installation plan showing location of starter and main switches.
   2. Calculate total load, Select proper rating of wire & cables, main switch, fuses, distribution board, bus-bar cable roots, motor starter, earthing wire & earthing.
   3. Calculate of length of wire, other materials and prepare material schedule and estimate the cost of installation including labour charges and contingencies.
   4. Draw various electrical diagrams required for execution of installation work using CAD.
5. Design L.T. line installation scheme for given HT (11kV) or LT (415 V) line.
   1. Sketch installation plan showing location of poles and stays. Prepare material schedule and estimate the cost of installation including labour charges and contingencies.
   2. Draw various electrical diagrams required for execution of installation work using CAD.
6. Design public lighting installation scheme of given premises.
   1. Sketch installation plan showing arrangement and location of poles. Prepare material schedule and estimate the cost of installation including labour charges and contingencies.
   2. Draw various electrical diagrams required for execution of installation work using CAD.
7. Prepare tender documents, quotations, and bills for specified work.

Note:

1. A suggestive list of PrOs is given in the above table. More such PrOs can be added to attain the COs and competency. A judicial mix of minimum 12 or more practical need to be performed, out of which, the practicals marked as *’ are compulsory, so that the student reaches the Precision Level’ of Dave’s Psychomotor Domain Taxonomy’ as generally required by the industry.
2. The Process’ and Product’ related skills associated with each PrO is to be assessed according to a suggested sample given below:

Performance Indicators

1. Sketching electrical diagrams
2. Procedure
3. Drawing using CAD
4. Accuracy in estimation
5. Answer to sample questions
6. Submission of report in time

The above PrOs also comprise of the following social skills/attitudes which are Affective Domain Outcomes (ADOs) that are best developed through the laboratory/field based experiences:

1. Follow safety practices.
2. Practice good housekeeping.
3. Demonstrate working as a leader/a team member.
4. Maintain tools and equipment.
5. Follow ethical Practices.

The ADOs are not specific to any one PrO, but are embedded in many PrOs. Hence, the acquisition of the ADOs takes place gradually in the student when s/he undertakes a series of practical experiences over a period of time. Moreover, the level of achievement of the ADOs according to Krathwohl’s Affective Domain Taxonomy’ should gradually increase as planned below:

• Valuing Level’ in 1st year
• Organizing Level’ in 2nd year
• Characterizing Level’ in 3rd year.

Instruments Required:

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Unit 1

Electrical Diagrams

Total Teaching Hours – 04

Distribution of Theory Marks

R Level – 02

U Level – 00

A Level – 04

Total Marks – 06

Unit Outcomes (in cognitive domain.

1. Describe the implication of the given section of NEC 2011.
2. Draw the given diagrams of specified electrical installation.
3. Interpret the given electrical diagrams.
4. Convert the given wiring diagram s into single line diagrams
5. Convert the specified single line diagram s into wiring diagrams

Topics and Sub-topics

1. Scope and features of National Electrical Code 2011 NEC 2011, Types of electrical installation- Non industrial and industrial, Standard value of voltages and their limits, Fundamental principles for electrical installations, Safety in electrical work, permit to electrical work, safety instruction and safety practices
2. Electrical symbols used in electrical diagrams as per Indian standard, multiline and single line representation of conductors.
3. Electrical diagrams, their Classification. Definition of wiring and circuit (Schematic) diagram according to IS: 2042(Part-I)-1962
4. Methods of representation for wiring diagram- multiline and single line representation, conversion of multiline representation into single line and vice versa.

Unit 2

Domestic and commercial Installations

Total Teaching Hours – 14

Distribution of Theory Marks

R Level – 02

U Level – 08

A Level – 08

Total Marks – 18

Unit Outcomes (in cognitive domain.

1. Draw electrical installation plan and single line diagram for given residential building electrification.
2. Draw electrical installation plan and single line diagram for given commercial building electrification.
3. Estimate material required for given domestic and commercial installations.
4. Describe various tests on electrical wiring installation.
5. Estimate material required for specified residential service connection.

Topics and Sub-topics

1. Domestic Dwellings/Residential Buildings, its classification, Necessity and reading of Civil Engineering building drawing. Interpretation of electrical installation plan and electrical diagrams.
2. General requirements and inspection of electrical installation according to IS: 7321982
3. Design & drawing, estimation & costing of a residential installation having maximum 5 KW load.
4. Design consideration of electrical installation in commercial buildings. Design electrical installation scheme of commercial complex such as drawing halls, and auditorium. Drawing of single line diagram and preparation of material schedule and detailed estimation.
5. Testing of wiring installation as per IS: 7321982. Testing insulation resistance – between earth and conductors, between conductors. Testing polarity test of single pole switches. Testing of earth continuity path.
6. Residential building Service Connectiontypes Underground and overhead. Calculation of Material required for service connection.

Unit 3

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Unit 4

Distribution Lines

Total Teaching Hours – 08

Distribution of Theory Marks

R Level – 02

U Level – 04

A Level – 08

Total Marks – 14

Unit Outcomes (in cognitive domain.

1. Draw the diagram for given three phase three wire system and three phase four wire system by using different types of insulators.
2. Draw various pole structures.
3. Describe various cables laying method.
4. Design and Estimate specified distribution lines.

Topics and Sub-topics

1. Introduction to overhead and underground distribution line.
2. Materials used for distribution line HT (11KV) and LT (415 V)
3. Cables used for distribution line, factors determining selection of LT/ HT power cables, cable laying and cable termination methods.
4. Design, estimation and costing of HT (11KV), LT (415 V) overhead line and underground cabling.

Unit 5

Public Lighting Installation

Total Teaching Hours – 08

Distribution of Theory Marks

R Level – 02

U Level – 02

A Level – 08

Total Marks – 12

Unit Outcomes (in cognitive domain.

1. Draw installation plan, single line diagrams and other related drawings of specified public lighting installation.
2. Select proper cable, sources and type of street lighting system for specified public lighting installation.
3. Prepare list of various materials required for given public lighting installations.
4. Design and estimate specified public lighting installations.

Topics and Sub-topics

1. Classification of outdoor installations, streetlight/ public lighting installation
2. Terminology used according to NEC 2011 -Terms related to highway, lighting installation, photometric terms, luminaries etc. Aims of public lighting installation, Classification of roads, standard layout of roads.
3. Street light pole structures. Selection of equipments, sources used in street light installations.
4. Cables, recommended types and sizes of cable. Control of street light installation.
5. Design, estimation and costing of streetlight.

Unit 6

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Suggested Student Activities:

Other than the classroom and laboratory learning, following are the suggested student-related co-curricular activities which can be undertaken to accelerate the attainment of the various outcomes in this course: Students should conduct following activities in group and prepare reports of about 5 pages for each activity, also collect/record physical evidences for their (student’s) portfolio which will be useful for their placement interviews:

1. Prepare abstract of Indian standards related to industrial and non-industrial installations.
2. Prepare report on market survey of various electrical accessories, wires and cables (specification, manufacturer, quality, cost)
3. Collect any one electrical drawing of existing electrical installation and prepare estimate for the same.
4. Collect tender published in newspaper or e-tender related to industrial or nonindustrial electrical installation and fill necessary documents.
5. Prepare power point presentation for acquiring electrical installation work.

Suggested Special Instructional Strategies:

These are sample strategies, which the teacher can use to accelerate the attainment of the various outcomes in this course:

1. Massive open online courses (MOOCs) may be used to teach various topics/sub topics.
2. L’ in item No. 4 does not mean only the traditional lecture method, but different types of teaching methods and media that are to be employed to develop the outcomes.
3. About 15-20% of the topics/sub-topics which is relatively simpler or descriptive in nature is to be given to the students for self-directed learning and assess the development of the COs through classroom presentations (see implementation guideline for details).
4. With respect to item No.10, teachers need to ensure to create opportunities and provisions for co-curricular activities.
5. Use Flash/Animations to explain various theorems in circuit analysis
6. Guide students in undertaking micro-projects.

Suggested Micro-Projects

For the complete Syllabus, results, class timetable, and many other features kindly download the iStudy App
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Suggested Learning Resources:

1. Electrical Design Estimating and Costing K.B. Raina, Dr. S.K.Bhattacharya, New Age International Publisher, First, Reprint 2010, ISBN: 10:81-2240363-8,13:978-81-224-0363-3
2. Electrical Estimating & Costing N. Allagappan, S.Ekambarram, Tata Mc-Graw Hill Publishing Co. Ltd, First Edition, 2000, ISBN: 13: 9780074624784
3. Electrical Estimating and Costing Surjit Singh, Ravi Deep Singh, Dhanpat Rai & Sons, 2014 ISBN:13:1234567150995
4. A Course in Electrical Installation Estimating and Costing J.B. Gupta S.K. Kataria & Sons; Reprint Edition, 2013, ISBN:10: 9350142791, 13: 978-9350142790
5. SP-30:2011, National Electrical Code, 2011 – Bureau of Indian Standard.
6. IS: 732-1989, Code of Practice for Electrical Wiring Installation Bureau of Indian Standard.

Software/Learning Websites:

1. https://www.youtube.com/watch?v=fWyzPdyCAzU
2. https://www.youtube.com/watch?v=IC-PWxtcirI
3. https://www.youtube.com/watch?v=H2hYUu8lPY0
4. https://www.youtube.com/watch?v=mKbyFpoNZ_w
5. https://www.youtube.com/watch?v=b2MXK9oi_Gs
6. https://www.youtube.com/watch?v=SHi_20pAWiE
7. www.nptel.ac.in
8. www.wikipedia.com
9. www.electricaltechnology.org
10. www.howstuffworks.com
11. www.electrical4u.com

Course Curriculum Development Committee

For the complete Syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier.
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For detail Syllabus of all other subjects of Electrical Power System, I – scheme do visit Electrical Power System 6th Sem Syllabus for I – scheme.

For all Electrical Power System results, visit MSBTE Electrical Power System all semester results direct links.