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Unit: 1


Learning Outcome: Working effectively and safely in Engineering

Prepare the necessary PPE’s according to statuary regulations for a given engineering task.
1. List personal and protective equipment related to engineering environment.
  • Personal and Protective Equipment: e.g. overalls, protective foot wear, eye protection, mask/respirators, harnesses, hard hats, hand protection.
2. Relate personal and protective equipment to their functions.
3. Identify common warning signs found in an engineering environment.

  • Eye protection must be worn

  • Safety boots must be worn

  • Safety gloves must be worn

  • Respiratory equipment must be worn

  • Face protection must be worn

  • Safety harness must be worn

  • Safety overalls must be worn

  • General mandatory sign (to be accompanied where necessary by another sign)

1. Explain one regulation under a given legal notice.
  • Legal notice 36 of 2003 General Provisions for Health and Safety at Work Places Regulations,
1. Carry out an engineering task using the necessary PPEs.
Subject Focus 2.  Working safely in an engineering environment.
4. List possible hazards before engaging in an engineering activity.
  • Hazards: e.g. mechanical, electrical and electronic, physical, chemical, ergonomic, environmental.
5. Organise the necessary procedures to help a person when an incident occurs in an engineering workshop.
  • Personal Incidents:-  e.g. Cuts/wounds, electric shock, unconsciousness, physical/chemical burns, sprains and strains, fractures, foreign object in the eye.
2. Explain safe work practices and procurers when carrying out an engineering activity.
  • Safe work practices e.g. Making sure equipment is isolated before setting it up; Using appropriate holding devices; Wearing protective clothing; Keeping work area free from waste material, tools and equipment; Guards are in full working order
2. Carry out preventative measures required for maintaining a safe work environment during an engineering activity.
Preventative Measures:

  • Mechanical: e.g. wear the appropriate PPE,  use the suitable tool for the proper job, visual inspection of the tool, work to laid down procedures, do not remove or disable guards, do not remove safety devices on machinery;

  • Electrical and electronic e.g. wear the appropriate PPE, check for wear on electrical cords, check appropriate fuse rating.

  • Physical:- e.g. wear the appropriate PPE, do not wear jewellery, tie loose hair, remove loose clothing, proper ventilation, use sunblock in direct sunlight;

  • Chemical e.g. wear the appropriate PPE, protect from direct sun light, obtain special instructions before use, do not spray on an open flame, wash thoroughly after handling, store chemicals in a safe place, report and do not use unlabelled containers;

  • Ergonomic e.g. adjust workstations, proper lifting techniques, adopt good posture, avoid repetitive work movements, take frequent breaks, use appropriate tools to enable neutral posture;

  • Environment e.g. permit to work, inspection of site dangers, hand rails, make sure that scaffolds are certified, do not touch bare conductors, good housekeeping, follow signs, adhere to symbols and colour codes, good ventilation, follow lock out-tag out procedures;

Subject Focus 3. Develop skills in using machinery safely
6. Identify preventive measures to minimise risk when using machinery.
  • Machinery e.g. Lathe; Sanding machine; Pillar drill
7. Select from a given list ,parts and components of machinery to be checked before being used safely.
  • Parts -  plug and wire; chuck; guards; keys and wrenches are removed before use; position and operation of start/stop button; work piece clamped firmly; blades are sharp; good lighting
3. Explain, the procedure of setting up machinery before being used to carry out an engineering activity.
3. Carry out an engineering activity from given engineering information, whilst maintaining a safe working area.
Subject focus 4.  Interpret and use engineering documentation.
8. Identify different engineering information.
  • Engineering Information:

  • Tapping charts;

  • Exploded views;

  • Schematic diagram: component drawing; circuit drawing;

  • Orthographic views: first or third angle

9. Identify  geometric symbols and abbreviations from given documentation.
  • Geometric symbols and abbreviations:-

  • Metals e.g. cast iron, mild steel, stainless steel, aluminium, lead, copper;

  • linear and geometric e.g. radius, diameter, projection, straight line, dashed lines, centre line, hidden lines, construction lines, metric systems of measurements

10. Identify electrical colour codes, symbols and SI units from given documentation.
Symbols, Abbreviations and colour codes:

  • Electrical and electronic colour codes:-  flexible cords used for direct current; resistors.

  • Electrical and electronic symbols and SI units:-

    • Electrical terms e.g. voltage, current, power, resistance, capacitance, inductance.

    • Passive components: e.g. Resistor, capacitor, inductor.

    • Semiconductors: e.g. Diodes and LEDs, operational amplifiers, transistors and MOSFETS.

    • Sensors: e.g. Light dependent resistor LDR, thermistor, microphone.

    • Actuators: e.g. D.C. motors, relays, buzzer.

    • Integrated circuits: e.g. Logic gates (AND, OR, NOT), NE555, voltage regulators.

    • Sources: e.g. Batteries, power supplies, solar cells.

    • Switches: e.g. SPST, SPDT, DPDT.

4. Discuss the need for reading and interpreting engineering information accurately.
  • Need for reading and interpreting engineering information: Work to laid down procedures; produce accurately the required task;  health and safety reasons; to safeguard the equipment being used; communicate ideas to others; priority setting.
5. Extract information from engineering drawings and documentation.

  • Material

  • Dimension

Engineering Information:

  • Tapping charts;

  • Exploded views;

  • Schematic diagram: component drawing;

  • Orthographic views: first or third angle

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