Dear students, if you are a student of Polytechnic Second Year Fourth Semester and you want to know what are the units in Electrical Design Drawing And Estimating 1, then you have reached the right place. In today’s post , we read detail about the Electrical Design Drawing And Estimating 1 Syllabus which is approved by BTEUP and this is the Electrical Design Drawing And Estimating 1 new syllabus .
So let’s start the post and read about Electrical Design Drawing And Estimating 1 detailed syllabus.
DETAILED CONTENTS OF POLYTECHNIC FOURTH SEMESTER ELECTRICAL DESIGN DRAWING AND ESTIMATING 1
1.) Symbols and Signs Conventions
Various Electrical Symbols used in Domestic and Industrial Installation and Power System (Generation, Transmission and Distribution including Sub-stations) as per BIS Code.
2.) Wiring Diagram
2.1) Wiring diagram of light, fan, bell and alarm circuits.
2.2) Staircase and godown wiring
2.3) Traffic light signal control circuit at crossroads.
3.) Panels/Distribution Boards
Design and Drawing of panels/distribution board using MCB, ELCB main switches and change over switches for domestic installation, industrial and commercial installation.
Orthographic Projections of Simple Electrical Parts
4.1) Bus bar post/ Kit Kat
4.2) Pin type and shackle type insulator (Pin type 11kV/66kV)
4.3) Bobbins of a small transformer / choke
4.4) Stay insulators/Suspension type insulators
4.5) Rotor of a squirrel cage induction motor
4.6) Motor body (induction motor) as per IS Specifications (using outside dimensions)
4.7) Slip rings of 3-phase induction Motor.
4.8) Stator of 3 phase Induction motor (Sectional View)
5.) Prepare at least 2 wiring diagram and block diagrams for circuits/systems using any Engineering Graphics package (preferably CAD)
6.) Induction to Estimating & Costing
Purpose of estimating and costing, proforma for making estimates, preparation of materials schedule, costing, price list, preparation of tender document (with 2-3 exercises), net price list, market survey, overhead charges, labour charges, electrical point method and fixed percentage method, contingency, profit, purchase system, enquiries, comparative statements, orders for supply, payment of bills.
7.) Types of Wiring
Cleat, batten, casing capping and conduit wiring, comparison of different wiring systems, selection and design of wiring schemes for particular situation (domestic and Industrial). Selection of wires and cables, wiring accessories and use of protective devices i.e. MCB, ELCB etc. Use of wire-gauge and tables (to be prepared/arranged).
8.) Estimating and Costing
8.1) Domestic installations, standard practice as per IS and IE rules. Planning of circuits, sub-circuits and position of different accessories, electrical layout, preparing estimates including cost as per schedule rate pattern and actual market rate (single storey and multi-storey buildings having similar electrical load).
8.2) Industrial installations; relevant IE rules and IS standard practices, planing, designing and estimation of installation for single phase motors of different ratings, electrical circuit diagram, starters, preparation of list of materials, estimating and costing exercises on workshop with single-phase, 3-phase motor load and the light load (3-phase supply system)
8.3) Service line connections estimate for domestic and industrial loads (over-head and underground connections) from pole to energy meter.
9.) Estimating Materials Required
9.1) Transmission and distribution lines (overhead and underground) planning and designing of lines with different fixtures, earthing etc, based on unit cost calculations.
9.2) Substation: Types of substations, substation schemes and components, estimate of 11/0.4 kV pole mounted substation up to 200kV rating, earthing of substations, single diagram of 66kV/11 kV, 132kV/11kV, 220kV/33kV Substation.
9.3) Single line diagram, layout sketching of outdoor, indoor 11kV sub-station or 33kV sub-station.
10.) Preparation of Tender Documents
Tender- Constituents, finalization, specimen tender.
Procedure to take financial loans from for taking contacts.
LEARNING OUTCOMES
After studying Electrical Design Drawing And Estimating 1 subject, students will able to:
- Recognize various electrical devices and their symbols
- Recognize various electrical devices placed on the panels/distribution boards and to design the panels
- Recognize the internal details of various electrical machines and devices
- Read schematic and wiring diagrams of electrical devices
- Read and interpret electrical installation plan
- Communicate about circuits and devices through sketches and drawings
- Determine various types of wiring systems and their use
- Practice and execute any type of wiring
- Estimate and determine the cost of wiring installation
- Estimate the material required for HT and LT lines
- Prepare a tender document for a particular job
- Estimate the material required for pole-mounted sub-stations
INSTRUCTIONAL STRATEGY
Teacher should identify/prepare more exercises on the pattern shown above. The teacher should make the students confident in making drawing and layouts of electrical wiring installations and doing estimation and costing. This capability will lead the students to become a successful entrepreneur. Take the students to field/laboratory and show the material and equipment.
MEANS OF ASSESSMENT
− Assignments and quiz/class tests
− Mid-term and end-term written tests
− Sketching
− Design and Drawing
− Workshop Job
− Model prototype making
LIST OF PRACTICALS
1.) Framing of Tender and reply to tender to get job/project
2.)Identification of wiring for different applications.
3.) Prepare an estimate for a Two room residential buildings as per given plan.
4.) Prepare an estimate for service connection for residential building having connected load.
RECOMMENDED BOOKS
- Electrical Engineering Design and Drawings by Surjeet Singh, Dhanpat Rai and Co, New Delhi
- Electrical Engineering Design and Drawings by SK Bhattacharya, SK Kataria and Sons, New Delhi
- Electrical Engineering Design and Drawings by Ubhi& Marwaha, IPH, New Delhi
- Electrical Design and Drawing by SK Sahdev, Uneek Publications, Jalandhar
- Electrical Engineering Drawing by Surjit Singh, SK Kataria and Sons, New Delhi
- Electrical Installation, Estimating and Costing by JB Gupta, SK Kataria and Sons, New Delhi
- Estimating and Costing by SK Bhattacharya, Tata McGraw Hill, New Delhi
- Estimating and Costing by Surjeet Singh, Dhanpat Rai & Co., New Delhi
- Estimating and Costing by Praveen Kumar; North Publication, Jalandhar
- Estimating and Costing by SL Uppal, Khanna Publishers, New Delhi
- Electrical Estimating and Costing by N Alagappan and B Ekambaram, TMH, New Delhi
- e-books/e-tools/relevant software to be used as recommended by AICTE/UBTE/NITTTR, Chandigarh.
Download Electrical Design Drawing And Estimating 1 Syllabus click here
Download Industrial Electronics and Control Syllabus click here
Download Communication Skills 2 Syllabus click here
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