Mixed Deck — All CSCS Topics Flashcards

On a construction site, who is responsible for ensuring subcontractors follow site safety rules?

Answer: The principal contractor and site management

The principal contractor has overall responsibility for coordinating health and safety on site, including ensuring all subcontractors comply with site safety rules.

Why is it important to segregate waste into separate skips on a construction site?

Answer: Segregation enables more materials to be recycled and reduces disposal costs

Separating waste streams (timber, metal, concrete, plastics) maximises recycling rates and lowers landfill tax costs.

Which of the following is the correct practice for storing flammable liquids, such as petrol or solvents, on site?

Answer: In a designated, well-ventilated, and fire-resistant store or cabinet.

Flammable liquids must be stored in suitable fire-resistant cabinets or dedicated stores that are well-ventilated to prevent the build-up of explosive vapours and protect them from sources of ignition.

Which party is typically responsible for completing OSHA Form 301, the Injury and Illness Incident Report?

Answer: The employer

The employer must complete OSHA Form 301 for each recordable work-related injury or illness.

A worker notices a cracked scaffold plank but continues working because the deadline is tight. What is the likely consequence if this hazard is not reported?

Answer: The plank could fail, causing a fall and serious injury or death

Structural defects in scaffolding can lead to catastrophic collapse, causing fatal falls if left unreported and unaddressed.

Which of the following is the main purpose of a risk assessment on a construction site?

Answer: To identify hazards and evaluate the risks before they cause harm.

The primary purpose of a risk assessment is to proactively identify potential hazards, analyze and evaluate the associated risks, and implement control measures to prevent accidents and harm to people. It is a preventative measure, not a reactive one.

An employer discovers a worker is using a CSCS card belonging to someone else. What should the employer do?

Answer: Confiscate the card and report the incident to CSCS

Using another person's CSCS card is fraud; the employer should remove the worker from site, confiscate the card, and report the misuse to CSCS.

What is the significance of a red prohibition sign on a construction site?

Answer: It indicates that an activity or behavior is not allowed

Red circular signs with a diagonal line indicate that an action is prohibited, such as 'No smoking' or 'No unauthorized entry'.

What should you do if you find a discarded hypodermic needle on a construction site?

Answer: Report it to your supervisor and do not touch it without appropriate protective equipment

Discarded needles are sharps hazards that pose infection risks — they must be reported and handled only by trained personnel with proper equipment.

Which of the following best describes an 'imminent danger' situation on a construction site?

Answer: A situation presenting a risk of serious injury or death requiring immediate action

Imminent danger refers to conditions where serious harm is likely to occur immediately, requiring work to stop and the area to be cleared.

When must you report an injury or dangerous occurrence under RIDDOR?

Answer: When the incident meets the reporting thresholds defined in RIDDOR regulations

RIDDOR requires reporting of specific injuries, over-7-day incapacitations, occupational diseases, and dangerous occurrences to the HSE.

You are asked to move a large, upright compressed gas cylinder (e.g., oxygen or acetylene) across the site. What is the safest method for transporting it?

Answer: Secure it in an upright position on a purpose-built cylinder trolley.

Compressed gas cylinders must be transported in an upright and secured position using a proper cylinder trolley or cage to prevent them from falling and damaging the fragile valve.

What does a Permit to Work system ensure on a construction site?

Answer: That high-risk activities are formally authorized, controlled, and communicated

A Permit to Work is a formal written system that ensures high-risk tasks (confined space entry, hot work, live electrical work) are properly planned, authorized, and supervised.

Which of the following is classed as a statutory nuisance that a local authority can take enforcement action against?

Answer: Excessive construction noise that unreasonably interferes with the use or enjoyment of nearby property

Excessive noise constitutes a statutory nuisance under the Environmental Protection Act, giving local authorities powers to serve noise abatement notices.

Fire doors on a construction site should be:

Answer: Kept closed at all times unless in use

Fire doors must be kept closed to prevent smoke and fire from spreading between compartments of a building.

What is a 'permit to work' system used for on construction sites?

Answer: Controlling high-risk tasks to ensure proper precautions are in place before work begins

A permit to work is a formal document that authorizes specific high-risk tasks and confirms that all necessary safety measures are in place.

What does a thorough study manual for the CSCS Certification exam serve?

Answer: To help navigate through the vast amount of information covered in the exam

A thorough study manual for the CSCS Certification exam serves to help candidates navigate the vast amount of information covered. The exam encompasses various health and safety topics, and a well-structured manual breaks down complex concepts into manageable sections. This allows individuals to systematically learn and understand the necessary material, making the preparation process more efficient.

You see flames coming from a temporary electrical distribution board on a construction site. Which type of fire extinguisher is the most appropriate and safest to use?

Answer: CO2 (Black label)

CO2 extinguishers are designed for fires involving live electrical equipment as the carbon dioxide is non-conductive and leaves no residue. Using water on an electrical fire is extremely dangerous as it can cause electrocution.

Under RIDDOR, which of the following is classified as a 'dangerous occurrence' that must be reported to the HSE, even if no one is injured?

Answer: The unintended collapse of a scaffold structure over 5 metres high.

RIDDOR lists specific 'dangerous occurrences' that have a high potential to cause serious harm and must be reported even if they do not result in an injury. The collapse of a scaffold over 5 metres high is a specified dangerous occurrence under the regulations.

What is a 'force majeure' clause in a construction contract intended to address?

Answer: Relief from contractual obligations due to unforeseeable extraordinary events

Force majeure clauses excuse a party from performance obligations when extraordinary events beyond their control — like natural disasters or pandemics — make performance impossible.