Podcast
Questions and Answers
What do the letters SWL stand for?
What do the letters SWL stand for?
Who should operate plant and equipment on site?
Who should operate plant and equipment on site?
What hazard is created when the head of a cold chisel mushrooms?
What hazard is created when the head of a cold chisel mushrooms?
Any damaged equipment must be:
Any damaged equipment must be:
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The electric drill you are about to use has a faulty on/off switch. What action should you take?
The electric drill you are about to use has a faulty on/off switch. What action should you take?
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The power hand tool you are about to use has burn marks visible on the cable. What should you do?
The power hand tool you are about to use has burn marks visible on the cable. What should you do?
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Your supervisor asks you to use a powered hand-tool which has a rotating blade. You notice that the guard is missing from the blade. What do you do?
Your supervisor asks you to use a powered hand-tool which has a rotating blade. You notice that the guard is missing from the blade. What do you do?
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Hand and power tools must be:
Hand and power tools must be:
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When should visual checks of portable hand-held equipment be made by the user?
When should visual checks of portable hand-held equipment be made by the user?
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What precaution should you take before adjusting an electrical tool?
What precaution should you take before adjusting an electrical tool?
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An electric drill is to be used. Before use, who should carry out a check on the tool?
An electric drill is to be used. Before use, who should carry out a check on the tool?
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What action should you take if an electric drill cuts out while you are using it?
What action should you take if an electric drill cuts out while you are using it?
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If an electric drill gives off blue smoke from the motor, you should:
If an electric drill gives off blue smoke from the motor, you should:
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How often should user (visual) checks be carried out on portable electrical equipment?
How often should user (visual) checks be carried out on portable electrical equipment?
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What is the preferred nominal voltage for portable hand lamps for general use on construction sites?
What is the preferred nominal voltage for portable hand lamps for general use on construction sites?
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What is the preferred nominal voltage for portable hand tools on construction sites?
What is the preferred nominal voltage for portable hand tools on construction sites?
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What is the preferred nominal voltage for local lighting up to 2 kW on construction sites?
What is the preferred nominal voltage for local lighting up to 2 kW on construction sites?
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What is the recommended maximum voltage for portable hand lamps when working in confined or damp locations?
What is the recommended maximum voltage for portable hand lamps when working in confined or damp locations?
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If you only have a mains voltage (230 V) hand drill and you want to use it on a construction site which only has yellow (110 V) socket-outlets, what should you do?
If you only have a mains voltage (230 V) hand drill and you want to use it on a construction site which only has yellow (110 V) socket-outlets, what should you do?
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What is most commonly used to reduce 230 volts to 110 volts on site?
What is most commonly used to reduce 230 volts to 110 volts on site?
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When using an extension cable reel, which of the following statements is correct?
When using an extension cable reel, which of the following statements is correct?
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If an extension cable is to be run across a site road, what action should you take?
If an extension cable is to be run across a site road, what action should you take?
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To operate a powered hand tool you must be:
To operate a powered hand tool you must be:
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If you are about to use a power tool and discover the guard is missing, you should:
If you are about to use a power tool and discover the guard is missing, you should:
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Study Notes
Safe Working Loads (SWL)
- SWL stands for Safe Working Load
- Machinery and accessories for lifting loads should be clearly marked with their safe working load.
Safe Operation of Plant and Equipment
- Only trained and authorized employees should operate plant and equipment.
- Employees must be over 18 years of age.
- Employees must be trained and authorized to operate plant/equipment before use.
Cold Chisel Hazard
- Mushrooming of a cold chisel head creates a hazard by creating flying steel splinters.
- This hazard can cause harm to people.
Damaged Equipment
- Damaged equipment must be reported to your supervisor.
- Equipment must be labelled as damaged before any further use.
- Damaged equipment must be locked up so that no one can use it.
Faulty On/Off Switch
- If an electric drill has a faulty on/off switch, the tool should be removed from use and reported to your supervisor.
Burn Marks on Cable
- If the cable of a power hand tool has burn marks, tell your supervisor and do not use the tool.
Missing Blade Guard
- If a powered hand tool, with a rotating blade, is missing its guard, remove the tool from use and report it to your supervisor.
Hand and Power Tool Maintenance
- Hand and power tools should be suitable for the task and regularly inspected.
Visual Checks of Portable Equipment
- Portable hand-held equipment should be visually checked each time it is used.
Electrical Tool Adjustments
- Disconnect the tool from the power source before adjusting it.
Electric Drill Checks
- The user should check the tool for any defects before use.
Electrical Drill Cutting Out
- If an electrical drill cuts out during use, remove it from use and report it to your supervisor.
Faulty Drill Motor
- If a drill motor produces blue smoke, switch off the drill immediately and report this to your supervisor.
Nominal Voltage for Hand Lamps
- The preferred nominal voltage for portable hand lamps on construction sites is 110 volts.
Nominal Voltage for Hand Tools
- The preferred nominal voltage for portable hand tools on construction sites is 110 volts.
Nominal Voltage for Local Lighting
- The preferred nominal voltage for local lighting up to 2 kW on construction sites is 110 volts.
Maximum Voltage for Hand Lamps (Damp Locations)
- For hand lamps in damp locations, the maximum recommended voltage is 50 volts.
Converting Voltage (230V to 110V)
- Transformers are commonly used to convert 230 volts to 110 volts on site.
Extension Cable Usage
- Do not exceed the reeled or unreeled rating of an extension cable.
- Only uncoil the necessary amount of cable for the task.
Extension Cable Across Road
- When running an extension cable across a road, use wooden boards or a rubber protection ramp and include a sign.
Power Tool Operation Requirements
- Operators must be trained and competent.
- Required age is not mentioned.
Missing Power Tool Guard
- If a power tool is missing its guard, do not use it; instead, wait for a proper replacement guard to be fitted.
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Section 08
