COURSE OUTLINE AND TIMEFRAME

UNIT TITLE : PREPARE AND INTERPRET TECHNICAL DRAWING
UNIT CODE : ELC311202
UNIT DESCRIPTOR : This unit covers the knowledge, skills and attitudes and values needed to prepare/interpret diagrams, engineering abbreviation and drawings, symbols, dimension.

ELEMENT PERFORMANCE CRITERIA
Italicized terms are elaborated in the Range of Variables
1. Identify different kinds of technical drawings 1.1. Correct technical drawing is selected according to job requirements.
1.2. Technical drawings are segregated in accordance with the types and kinds of drawings

2. Interpret technical drawing 2.1. Components, assemblies or objects are recognized as required.
2.2. Dimensions of the key features of the objects depicted in the drawing are correctly identified.
2.3. Symbols used in the drawing are identified and interpreted correctly.
2.4. Drawing is checked and validated against job requirements or equipment in accordance with standard operating procedures.
3. Prepare/make changes to electrical/electronic schematics and drawings 3.1. Electrical/electronic schematic is drawn and correctly identified.
3.2. Correct drawing is identified, equipment are selected and used in accordance with job requirements.

4. Store technical drawings and equipment /instruments 4.1. Care and maintenance of drawings are undertaken according to company procedures.
4.2. Technical drawings are recorded and inventory is prepared in accordance with company procedures.
4.3. Proper storage of instruments is undertaken according to company procedures.

RANGE OF VARIABLES

VARIABLE RANGE
1. Technical drawings May include the following but not limited to:
1.1. Schematic diagrams
1.2. Charts
1.3. Block diagrams
1.4. Lay-out plans
1.5. Location plans
1.6. Process and instrumentation diagrams
1.7. Loop diagrams
1.8. System Control Diagrams

2. Dimensions May include but not limited to:

2.1. Length
2.2. Width
2.3. Height
2.4. Diameter
2.5. Angles

3. Symbols May include but not limited to:

3.1. NEC- National Electric Code
3.2. IEC -International Electrotechnical Commission
3.3. ASME - American Society of Mechanical Engineers
3.4. IEEE - Institute of Electrical and Electronics Engineers
3.5. ISA - Instrumentation System and Automation Society

4. Instruments/Equipment 4.1. Components/dividers
4.2. Drawing boards
4.3. Rulers
4.4. T-square
4.5. Calculator


EVIDENCE GUIDE

1. Critical aspect of competencies Assessment must show that the candidate:

1.1. selected correct technical drawing in line with job requirements
1.2. correctly identified the objects represented in the drawing
1.3. identified and interpreted symbols used in the drawing correctly
1.4. prepared/produced electrical/electronic drawings including all relevant specifications
1.5. stored diagrams/equipment

2. Underpinning knowledge 2.1. Drawing conventions
2.2. Symbols
2.3. Dimensioning Conventions
2.4. Mark up/Notation of Drawings
2.5. Mathematics
2.5.1. Four fundamental operations
2.5.2. Percentage
2.5.3. Fraction
2.5.4. Trigonometric Functions
2.5.5. Algebra
2.5.6. Geometry

3. Underpinning skills 3.1. Reading skills required to interpret work instruction
3.2. Communication skills
3.3. Interpreting electrical/electronic signs and symbols

4. Method of assessment Competency in this unit must be assessed through:

4.1. Practical tasks involving interpretation of a range of technical drawings
4.2. Oral questioning

5. Resource implication 5.1. Drawings
5.2. Diagrams
5.3. Charts
5.4. Plans

6. Context of Assessment 6.1 Assessment may be conducted in the workplace or in a simulated environment

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