Prepare and Interpret Technical Drawing

Prepare and Interpret Technical Drawing 

•Identify different kinds of technical drawings

- Correct technical drawing is selected according to

job requirements.

- Technical drawings are segregated in accordance 

with the types and kinds of drawings.

•Interpret technical drawing 

- Components, assemblies or objects are 

recognized as required

- Dimensions of the key features of the objects depicted 

in the drawing are correctly identified.

-Symbols used in the drawing are identified and 

interpreted correctly.

-Drawing is checked and validated against job 

requirements or equipment in accordance with standard 

operating procedures.

•Prepare/make changes to electrical/electronic 

               schematics and drawings

- Electrical/electronic schematic is drawn and correctly 

identified.

- Correct drawing is identified, equipment 

are selected and used in accordance with job 

requirements.

•Store technical drawings and equipment /instruments

- Care and maintenance of drawings are undertaken 

according to company procedures.

-Technical drawings are recorded and inventory is 

prepared in accordance with company procedures

-Proper storage of instruments is undertaken 

according to company procedures. 

•Technical drawings

May include the following but not limited to:

-Schematic

- Charts

- diagrams     

- Lay-out plans

- Location plans

- Process and instrumentation diagrams

- Loop Diagrams

- System Control Diagrams

Dimensions

May include but not limited to:

•Length

•Width

•Height

•Diameter

•Angles

Symbols

May include but not limited to:

-NEC- National Electric Code.

-IEC -International Electrotechnical Commission.

-ASME - American Society of Mechanical   

Engineers.

-IEEE - Institute of Electrical and Electronics 

Engineers.

-ISA - Instrumentation System and Automation Society.

Instruments/Equipment

-Components/dividers

-Drawing boards

-Rulers

-T-square

-Calculator

 Critical aspect  of 

competencies

                 

• Assessment must show that the candidate

• selected correct technical drawing in line with job requirements.

• correctly identified the objects represented in the drawing

• identified and interpreted symbols used in the drawing correctly

• prepared/produced electrical/electronic drawings including all relevant specifications

•stored diagrams/equipment

Underpinning knowledge

• Drawing conventions

• Symbols

• Dimensioning Conventions

• Mark up/Notation of Drawings

• Mathematics

          1.Four fundamental operations

2.Percentage

3.Fraction

4.Trigonometric Functions

5.Algebra

6.Geometry

 Underpinning skills

1.Reading skills required to interpret work instruction

2.Communication skills

3..Interpreting electrical/electronic signs and symbols  

Resource implication

•Drawings

•Diagrams

•Charts

•Plans                                                                

Context of Assessment

Assessment may be conducted in the workplace or in a simulated environment