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112+ Free CSCS Mobile Tower Practice Questions

Prepare for the SOLAS CSCS Mobile Tower Scaffold Assessment (Ireland) exam with instant access — no signup required.

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2026 Statistics

Key Facts: CSCS Mobile Tower Exam

70%

Theory Pass Mark

SOLAS Mobile Tower Scaffold candidate pack

45 min

Theory Test Duration

SOLAS Mobile Tower Scaffold candidate pack

50 min

Practical Test Maximum

SOLAS Mobile Tower Scaffold candidate pack

3 months

Minimum Experience

SOLAS candidate pack

950 mm

Guard-Rail Height

HSA scaffold Code of Practice

€32

Card Renewal Fee

SOLAS CSCS page

The SOLAS CSCS Mobile Tower Scaffold programme in Ireland is a one-day training and assessment: a 45-minute multi-choice theory test (70% pass, 85% credit) and a 50-minute practical erecting, moving, and dismantling a prefabricated tower. Candidates need Safe Pass, manual handling training, and three months trainee experience within two years. Irish rules require 950 mm guard-rails, 150 mm toe-boards, locked castors during use, and no movement with workers on the platform. Passing grants QQI certification and a CSCS card valid 5 years. This free prep provides 100 questions.

Sample CSCS Mobile Tower Practice Questions

Try these sample questions to test your CSCS Mobile Tower exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 112+ question experience with AI tutoring.

1Which Irish statute is the principal legislation governing health and safety duties when erecting mobile tower scaffolds on construction sites?
A.The Safety, Health and Welfare at Work Act 2005
B.The Health and Safety at Work etc. Act 1974
C.The Building Control Act 2007
D.The Companies Act 2014
Explanation: The Safety, Health and Welfare at Work Act 2005 is the primary Irish statute setting out general duties of employers, employees, and others for workplace health and safety.
2Under which Irish regulations is mobile tower scaffold erection listed as a prescribed construction activity requiring a SOLAS CSCS card?
A.Safety, Health and Welfare at Work (General Application) Regulations 2007
B.Safety, Health and Welfare at Work (Construction) Regulations 2013
C.Building Regulations 1997
D.European Communities (Safety Signs) Regulations 1996
Explanation: Schedule 5 of the Safety, Health and Welfare at Work (Construction) Regulations 2013 lists prescribed tasks including mobile tower scaffold operations that require a valid SOLAS CSCS registration card.
3Which body enforces health and safety legislation on Irish construction sites where mobile access towers are used?
A.The Construction Industry Federation (CIF)
B.The Health Service Executive (HSE)
C.The Health and Safety Authority (HSA)
D.The Health and Safety Executive (HSE UK)
Explanation: The Health and Safety Authority (HSA) is Ireland's national statutory body for workplace health and safety enforcement, including construction site inspections.
4Which HSA publication provides the principal Irish guidance on safe use of access and working scaffolds, including mobile towers?
A.Code of Practice for Noise at Work
B.Code of Practice for Safe Use of Industrial Trucks
C.Code of Practice for Manual Handling
D.Code of Practice for Access and Working Scaffolds
Explanation: The HSA Code of Practice for Access and Working Scaffolds (updated 2023) is the key Irish guidance for scaffold design, erection, mobile towers, guardrails, and safe use.
5Which European/Irish standard gives minimum specifications for mobile access and working towers made of prefabricated elements?
A.I.S. EN 1004
B.I.S. EN 12811
C.I.S. EN 1090
D.I.S. EN 131
Explanation: I.S. EN 1004 specifies materials, dimensions, design loads, safety, and performance requirements for standard mobile prefabricated towers with defined platform height ranges.
6What is the minimum height required for a top guard-rail above a mobile tower working platform under Irish regulations?
A.1100 mm
B.950 mm
C.750 mm
D.1200 mm
Explanation: Part 4 of the Safety, Health and Welfare at Work (General Application) Regulations 2007, reflected in the HSA scaffold Code of Practice, requires guard-rails to be at least 950 mm above the working platform.
7What is the minimum height required for toe-boards on a mobile tower working platform under Irish scaffold guidance?
A.200 mm
B.100 mm
C.150 mm
D.75 mm
Explanation: Toe-boards must be at least 150 mm above the platform to help prevent materials and tools from falling through the gap between the platform and guard-rail.
8What is the maximum permitted gap between guard-rails, or between the lower rail and toe-board, on Irish scaffolds?
A.750 mm
B.600 mm
C.500 mm
D.470 mm
Explanation: An intermediate guard-rail must be fitted so that the maximum distance between rails, and between the lower rail and toe-board, does not exceed 470 mm.
9Under Irish law, who has the primary duty to ensure mobile tower scaffolds are erected and used safely on a construction site?
A.The employer
B.Only the tower manufacturer
C.Only the client homeowner
D.Only the equipment hire company
Explanation: The Safety, Health and Welfare at Work Act 2005 places primary duties on employers to ensure, so far as reasonably practicable, the safety, health, and welfare of employees when providing work equipment such as mobile towers.
10What duty do employees have when using a mobile tower scaffold on an Irish construction site?
A.To ignore manufacturer instructions if the supervisor is busy
B.To take reasonable care for their own safety and that of others affected by their acts or omissions
C.To modify tower components without telling anyone
D.No duties apply once a CSCS card is held
Explanation: Section 13 of the 2005 Act requires employees to take reasonable care for their own safety and health and that of others, and to co-operate with their employer on safety measures.

About the CSCS Mobile Tower Exam

The SOLAS CSCS Mobile Tower Scaffold assessment certifies competence to safely erect, move, use, and dismantle prefabricated aluminium mobile access towers on Irish construction sites. Grounded in the Safety, Health and Welfare at Work Act 2005, the HSA Code of Practice for Access and Working Scaffolds, I.S. EN 1004, and the SOLAS candidate pack, the programme covers legislation, component inspection, the 3T erection method, guard-rails, toe-boards, castor locking, outriggers, tower movement rules, overhead line hazards, and dismantling. Successful candidates receive QQI certification and a SOLAS CSCS Mobile Tower Scaffold registration card valid for 5 years.

Assessment

A 45-minute multi-choice theory test (70% to pass, 85% for credit) during a one-day programme, followed by a 50-minute practical test erecting, moving, and dismantling a mobile tower scaffold per manufacturer instructions. This practice bank provides 100 comprehensive questions.

Time Limit

45 minutes (theory); practical test max 50 minutes

Passing Score

70% for the theory test (85% for credit)

Exam Fee

Varies by ATO (training programme fee); €32 CSCS card renewal (SOLAS (An tSeirbhís Oideachais Leanúnaigh agus Scileanna) & QQI (Ireland))

CSCS Mobile Tower Exam Content Outline

20%

Rules and Regulations

2005 Act, Construction Regulations Schedule 5, General Application Regulations edge protection, HSA scaffold Code of Practice section 3.9, EN 1004 and EN 1298.

10%

CSCS Scheme and Assessment

Safe Pass, three-month experience, 14/20 self-assessment, 45-minute theory paper, 50-minute practical, retake rules, and 5-year card validity.

15%

Tower Components

Aluminium frames, trapdoor platforms, braces, castors, adjustable legs, outriggers, stabilisers, and spigot locking devices.

10%

Pre-Use Inspection

Defect identification, castor brake checks, alignment, ground assessment, guard-rail verification, PPE, and GA3 over 2 m platform height.

15%

Erection and Dismantling

3T method, manufacturer manual compliance, plumb and square, exclusion zones, UDL loading, warning notices, and component storage.

10%

Guard-Rails and Platforms

950 mm top rail, 150 mm toe-board, 470 mm max gaps, secured hatches, no ladders on platforms, and slip hazard checks.

10%

Moving Towers

Unlock castors only for repositioning, reduce to 4 m/2 m before move, outriggers within 25 mm of ground, manual push at base, route checks.

10%

Site Safety and Hazards

Overhead electricity lines, wind and ice, overturning, sheeting wind load, risk assessment, manual handling, and theory-gated practical rules.

How to Pass the CSCS Mobile Tower Exam

What You Need to Know

  • Passing score: 70% for the theory test (85% for credit)
  • Assessment: A 45-minute multi-choice theory test (70% to pass, 85% for credit) during a one-day programme, followed by a 50-minute practical test erecting, moving, and dismantling a mobile tower scaffold per manufacturer instructions. This practice bank provides 100 comprehensive questions.
  • Time limit: 45 minutes (theory); practical test max 50 minutes
  • Exam fee: Varies by ATO (training programme fee); €32 CSCS card renewal

Keys to Passing

  • Work through all 112 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

CSCS Mobile Tower Study Tips from Top Performers

1Memorise the Irish edge-protection trio: 950 mm guard-rail, 150 mm toe-board, 470 mm maximum gap between rails.
2Know CSCS entry requirements: Safe Pass, three months experience, manual handling, and 14/20 self-assessment yes answers.
3Understand moving rules: no workers on platform, reduce height before move, outriggers within 25 mm of ground, push at base only.
4Study the 3T (Through the Trapdoor) erection sequence shown in SOLAS training materials.
5Learn pre-use checks: castor brakes, spigot locks, bracing per manual, guard-rails, and ground conditions.
6Never use external ladders on aluminium towers — access is through internal ladder arrangements and platform hatches.
7Review overhead line and weather hazards — overturning and electrocution are the main tower accident causes in HSA guidance.
8Work through all 100 practice questions and verify explanations against the SOLAS candidate pack and HSA Code of Practice.

Frequently Asked Questions

What is the SOLAS CSCS Mobile Tower Scaffold qualification?

It is a one-day training and assessment programme under the Construction Skills Certification Scheme for prefabricated mobile access towers. Passing leads to QQI certification and a SOLAS CSCS Mobile Tower Scaffold card, required for prescribed tasks under Schedule 5 of the Construction Regulations 2013.

What is the pass mark for the Mobile Tower Scaffold theory test?

Candidates must achieve at least 70% on the 45-minute multi-choice theory paper. A credit grade is awarded for 85% or above. Candidates who fail the theory test are not permitted to attempt the practical test.

What experience is required before the Mobile Tower programme?

The SOLAS candidate pack requires at least three months experience as a trainee mobile tower scaffold erector in construction within the last two years, plus confirmation of construction manual handling training and a valid Safe Pass card.

How long is the Mobile Tower Scaffold practical test?

The practical assessment has a maximum duration of 50 minutes. Candidates must achieve all essential items erecting, moving, and dismantling the tower in accordance with manufacturer instructions.

Can a mobile tower be moved while someone is on the platform?

No. Irish guidance and SOLAS training prohibit moving a mobile tower while workers or materials are on the platform. Castors must be locked during use and only unlocked for controlled manual repositioning after reducing tower height.

What guard-rail and toe-board heights apply to Irish mobile towers?

Under Part 4 of the General Application Regulations 2007 and the HSA scaffold Code of Practice, the top guard-rail must be at least 950 mm above the platform, toe-boards at least 150 mm, and gaps between rails must not exceed 470 mm.

What is the 3T method of tower erection?

3T stands for Through the Trapdoor — the recommended method of assembling a mobile tower from inside the structure using platform trapdoors, maintaining edge protection during erection. SOLAS training includes a DVD demonstrating this technique.

How long is the SOLAS CSCS Mobile Tower card valid?

The SOLAS CSCS Mobile Tower Scaffold registration card is valid for five years. Renewal costs €32 and extends validity for a further five years when submitted with a current passport-quality photograph.