Qualification Structure

The ProQual Level 3 NVQ Diploma in Testing, Inspecting and Thorough Examination Occupations: Leak Detection in Waterproof Systems is awarded by ProQual Awarding Body and regulated by the Office of Qualifications and Examinations Regulation (Ofqual). The qualification is accredited onto the Regulated Qualifications Framework (RQF) and has a Total Qualification Time (TQT) of 750 hours and 187 Guided Learning Hours (GLH).

Assessment is assignment-based and evidence-based, requiring the learner to provide evidence demonstrating achievement of the required learning outcomes and assessment criteria. Evidence may include assignments, projects, reports, worksheets, portfolios of evidence, questioning and other appropriate assessment methods. Workplace evidence is required for the competence-based units and cannot be simulated.

For the Leak Detection in Waterproof Systems pathway, the qualification requires completion of all three mandatory core units, plus the pathway-specific mandatory unit.

Core Study Units

Unit 1. Confirming Work Activities and Resources for an Occupational Area in the Workplace

The learner will be able to:

• Identify work activities, assess required resources and plan the sequence of work.
• Obtain clarification and advice where the required resources are not available.
• Evaluate work activities and significant external factors against project requirements.
• Identify work activities that influence each other and make effective use of available resources.
• Identify changed circumstances that require alterations to the work programme and justify the required changes to decision makers.

Unit 2. Developing and Maintaining Good Occupational Working Relationships in the Workplace

The learner will be able to:

• Develop, maintain and encourage working relationships that promote goodwill and trust.
• Inform relevant people about work activities at an appropriate level of detail and with the appropriate level of urgency.
• Offer advice and assistance to relevant people about work activities and encourage questions, requests for clarification and comments.
• Clarify proposals with relevant people and discuss alternative suggestions.
• Resolve differences of opinion in ways that minimise offence and maintain goodwill, trust and respect.

Unit 3. Confirming the Occupational Method of Work in the Workplace

The learner will be able to:

• Assess available project data accurately to determine the appropriate occupational method of work.
• Obtain additional information from alternative sources when available project data is insufficient.
• Identify work methods that make effective use of resources and meet project, statutory and contractual requirements.
• Confirm and communicate the selected work method to relevant personnel.

Unit 4. Detecting Breaches in Waterproofing Systems Using Non-Destructive Leak Detection in the Workplace

The learner will be able to:

• Interpret the given information relating to work and resources when detecting breaches in waterproofing systems using non-destructive leak detection.
• Comply with relevant legislation and official guidance when detecting breaches in waterproofing systems using non-destructive leak detection.
• Maintain safe and healthy working practices when detecting breaches in waterproofing systems using non-destructive leak detection.
• Select the required quantity and quality of resources for the methods of work used to detect breaches in waterproofing systems.
• Minimise the risk of damage to the work and surrounding area when detecting breaches in waterproofing systems.
• Complete the work within the allocated time when detecting breaches in waterproofing systems.
• Comply with given contract information when detecting breaches in waterproofing systems using non-destructive leak detection.

Who Is This Qualification For?

The ProQual Level 3 NVQ Diploma in Testing, Inspecting and Thorough Examination Occupations: Leak Detection in Waterproof Systems is designed for individuals working, or seeking to develop occupational competence, in construction inspection, waterproofing and non-destructive leak detection. The qualification is specifically intended to recognise knowledge, skills and competence in testing and inspection within the construction industry.

It is suitable for:

• Leak detection technicians involved in identifying breaches in waterproofing systems.
• Waterproofing inspection professionals responsible for examining waterproof structures and systems.
• Construction inspection technicians carrying out specialist testing and inspection activities.
• Waterproofing specialists who need formal recognition of workplace competence.
• Building envelope professionals involved in investigating moisture ingress and waterproofing defects.
• Construction quality control personnel responsible for checking waterproofing work.
• Site-based inspection staff undertaking non-destructive leak detection activities.
• Waterproofing contractors seeking a recognised vocational qualification for their occupational skills.
• Construction professionals expanding into specialist leak detection and inspection.
• Experienced workers who want their existing workplace skills and competence formally recognised through an NVQ.
• Individuals working with non-destructive leak detection equipment, including electrical earth leakage and capacitance-based methods.
• Professionals responsible for identifying waterproofing breaches without unnecessarily damaging the surrounding structure.

The qualification is particularly relevant where the role requires practical workplace competence, as ProQual states that candidates must provide evidence demonstrating achievement of the learning outcomes and assessment criteria, with workplace evidence of skills not being simulated.

Career Opportunities

The ProQual Level 3 NVQ Diploma in Testing, Inspecting and Thorough Examination Occupations: Leak Detection in Waterproof Systems provides learners with the practical skills and occupational competence required for specialist roles in leak detection, waterproofing inspection, construction testing, and building maintenance. As the construction and property sectors place increasing emphasis on identifying waterproofing defects and preventing moisture-related damage, qualified professionals with non-destructive leak detection skills are valuable across commercial, residential, industrial, and infrastructure projects.

Future Progression

Upon successful completion of the ProQual Level 3 NVQ Diploma in Testing, Inspecting and Thorough Examination Occupations: Leak Detection in Waterproof Systems, learners can progress to higher-level qualifications and advanced occupational roles within leak detection, waterproofing, construction inspection, and building maintenance. The qualification provides a strong foundation for developing specialist expertise in non-destructive leak detection, waterproofing inspection, testing, and construction quality control.

Learners may choose to undertake advanced qualifications in construction, building inspection, waterproofing, non-destructive testing, or quality management. Continuing professional development (CPD) and specialist training can further enhance technical competence in moisture investigation, waterproofing systems, building envelope inspection, and defect diagnosis.

The qualification can also support progression into roles such as Senior Leak Detection Technician, Waterproofing Inspector, Waterproofing Surveyor, Non-Destructive Testing Technician, Building Inspection Technician, Construction Quality Inspector, Waterproofing Supervisor, and Building Maintenance Specialist. The practical skills and workplace evidence gained are valuable across construction, commercial property, residential buildings, industrial facilities, roofing, infrastructure, and building maintenance projects.