Mixed Deck — All CSCS IRELAND Topics Flashcards

What is the minimum height for guardrails on a scaffold platform in Ireland?

Answer: 950 mm (approximately 1 metre)

Under Irish construction regulations, guardrails on scaffold platforms must be at least 950 mm high, with a mid-rail and toe board also required to prevent falls and objects being kicked off.

What information should be recorded in an accident report on a construction site?

Answer: Date, time, location, nature of injury, activity being performed, parties involved, witnesses, immediate cause, and actions taken

A thorough accident report captures all factual information needed to investigate and prevent recurrence. Incomplete records hinder investigation and may be inadequate for legal proceedings or HSA notification.

How often should emergency evacuation drills be conducted on Irish construction sites?

Answer: At regular intervals — typically at least twice per year, and whenever the site layout changes significantly, new hazards are introduced, or a large number of new workers arrive

Emergency drills should be conducted regularly — at least twice per year on longer-duration projects. Additional drills should be held when: the site layout changes significantly (affecting escape routes), new significant hazards are introduced, a large number of new workers arrive, or the emergency plan is revised. Drills must be recorded, and any issues identified must be corrected.

What must be done before a worker enters a deep excavation in Ireland?

Answer: Inspect it for stability, test for hazardous gases if appropriate, ensure safe access and egress, and have a rescue plan

Before entry into a deep excavation, a competent person must inspect for stability, test the atmosphere for gas accumulation (especially in confined-space-like conditions), provide proper access/egress ladders, and have an emergency rescue plan.

What is the correct angle for positioning a leaning ladder on a construction site?

Answer: 75 degrees (1 metre out for every 4 metres up — the 1 in 4 rule)

The correct angle for a leaning ladder is approximately 75 degrees, following the 1 in 4 rule: for every 4 metres of vertical height, the base should be 1 metre away from the wall.

What is the purpose of ROPS and FOPS on construction plant?

Answer: ROPS (Roll Over Protective Structure) protects the operator if the machine overturns; FOPS (Falling Object Protective Structure) protects against objects falling onto the cab

ROPS (Roll Over Protective Structure) is a reinforced cab or frame designed to maintain a survival space around the operator if the machine rolls over — but only if the operator is wearing a seatbelt. FOPS (Falling Object Protective Structure) protects the operator from objects falling onto the cab during operations such as demolition, loading, or working near structures.

What is the purpose of trench sheeting or shoring in an excavation?

Answer: To support the sides of the excavation and prevent soil collapse

Trench sheets, shoring boxes, or drag boxes support the walls of an excavation, preventing soil from collapsing onto workers. They must be designed or selected based on soil type, depth, and surcharge loads.

What is the Health and Safety Authority (HSA) and what powers does it have in Ireland?

Answer: The national body responsible for enforcing health and safety law — it can inspect workplaces, issue notices, prosecute, and shut down dangerous sites

The HSA is Ireland's national body responsible for securing health, safety, and welfare at work. It has powers to inspect, investigate, issue Improvement and Prohibition Notices, and prosecute for breaches of legislation.

Who is responsible for preparing a Safety and Health Plan before construction work begins on a project in Ireland?

Answer: The Project Supervisor Design Process (PSDP)

Under the Safety, Health and Welfare at Work (Construction) Regulations 2013, the Project Supervisor Design Process (PSDP) is responsible for preparing the Safety and Health Plan before construction begins.

What is the correct method for mixing cement on a construction site to minimise COSHH risks?

Answer: Use mechanical mixing, ensure workers are upwind, wear RPE and gloves, and minimise manual handling of dry cement

Cement dust is corrosive and can cause cement burns, dermatitis, and lung damage. Mechanical mixing, positioning workers upwind, using RPE, and wearing impermeable gloves and arm protection minimise exposure.

What class of hard hat (safety helmet) provides protection against electric shock on a construction site?

Answer: Class E (Electrical) — rated for protection against electrical hazards

Class E hard hats are designed and tested to provide protection against electrical hazards up to a specified voltage. Class C helmets are conductive and should never be used near electrical hazards.

What are ties on a scaffold and how often must they be installed?

Answer: Physical connections between the scaffold and the building that prevent the scaffold from pulling away or being pushed toward the building; spacing depends on design but typically every 4 metres vertically and horizontally

Scaffold ties are rigid connections (tube and fitting or proprietary) between the scaffold and the permanent structure that prevent the scaffold from moving away from or toward the building, particularly under wind load. Tie spacing depends on the scaffold design but is typically required at every other lift (approximately 4 m vertically) and at intervals horizontally. Ties must never be removed without assessment.

Under Irish construction regulations, what is defined as 'working at height'?

Answer: Any work where a person could fall and be injured, regardless of the height above ground

Working at height includes any place where, if precautions were not taken, a person could fall and injure themselves. This includes ground level where there is a risk of falling into a pit or excavation.

What is a Safety Data Sheet (SDS) and why is it required for substances used on a construction site?

Answer: A document provided by the manufacturer that details the hazards, safe handling, storage, and emergency measures for a chemical substance

An SDS (previously called Material Safety Data Sheet/MSDS) provides essential information about a chemical's hazards, exposure limits, PPE requirements, storage, disposal, and emergency procedures. It must be available on site for every hazardous substance.

What should workers do during a fire evacuation on a construction site?

Answer: Proceed immediately to the designated assembly point and do not re-enter until given the all-clear

On hearing the fire alarm, workers must evacuate immediately to the assembly point. Collecting belongings or searching for others delays evacuation and can prove fatal. Re-entry is only permitted when authorised by a competent person.

Under the Safety, Health and Welfare at Work Act 2005, who has the primary duty to ensure a safe place of work on a construction site?

Answer: The employer

The Safety, Health and Welfare at Work Act 2005 places the primary duty of care on the employer to provide and maintain a safe place of work, safe systems of work, and ensure welfare facilities for employees.

What does CSCS stand for in the context of Irish construction safety?

Answer: Construction Skills Certification Scheme

CSCS stands for Construction Skills Certification Scheme. It is the passport card scheme in Ireland that certifies workers have received basic safety training appropriate to their role.

When must safety gloves be worn on a construction site?

Answer: When handling sharp, rough, hot, or chemically hazardous materials where hand injury risk exists

Gloves must be selected and worn based on the specific hand hazards — cut resistance for sharp materials, thermal protection for hot work, chemical resistance for COSHH substances. The correct glove for the task must be selected.

What does a green safety sign indicate on a construction site?

Answer: Safe conditions, including emergency exits, first aid, and assembly points

Green signs indicate safe conditions, such as the location of emergency exits, first aid stations, and assembly points. They guide people to safety during an emergency.

What are the requirements for plant and pedestrian traffic management on an Irish construction site?

Answer: A traffic management plan separating plant and pedestrian routes using physical barriers, designated crossing points, speed limits, signage, banksmen, and one-way systems where practicable

Every construction site must have a traffic management plan that includes: separate routes for plant/vehicles and pedestrians where practicable, physical barriers between traffic and pedestrian areas, designated and signed crossing points, appropriate speed limits, one-way systems to minimise reversing, adequate lighting, banksmen for complex movements, and regular review as the site changes.