UNIT 317

NVQ Level 3 2357

Inspecting, Testing, Commissioning and Certifying Electrotechnical Systems & Equipment in Buildings, Structures & the Environment

Aim

This unit is designed to enable the learner to develop the skills required, and apply the associated knowledge, in order that they are able to demonstrate the competence required to inspect, test, commission and certify electrotechnical systems and equipment in buildings, structures and the environment in accordance with approved industry practices, statutory and non-statutory regulations:

  • The Electricity at Work Regulations (1989)
  • The current edition of BS7671 Wiring Regulations
  • Health & Safety Act (1974)
  • Building Regulations (2000)

Learning Outcomes

There are FOUR learning outcomes to this unit. The learner will:

LO1 – Be able to confirm safety of the system and equipment prior to completion of inspection, testing and commissioning in accordance with statutory and non statutory regulations
LO2 – Be able to inspect electrotechnical systems and equipment
LO3 – Be able to test electrotechnical systems and equipment
LO4 – Be able to commission electrotechnical systems and equipment.

Evidence Requirements

Learning Outcome 1

You must provide authorised confirmation that you have had involvement and experience in safe isolation procedures as relevant on two separate occasions.

You must provide auditable evidence that you have competently undertaken a risk assessment on two separate occasions.

Learning Outcomes 2 – 4

You must provide auditable evidence sourced from a real working environment, on TWO separate occasions, that you can apply the principles and follow the procedures for the inspecting, testing, commissioning and certifying of electrotechnical systems and equipment in buildings, structures and the environment in accordance with approved industry practices, statutory and non-statutory regulations and the assessment criteria for each of the learning outcomes.

You personally should be in as many photos/videos as possible.

Unit 317 – Inspecting, Testing, Commissioning and Certifying Electrotechnical Systems & Equipment in Buildings, Structures & the Environment

Learning Outcome 1

Be able to confirm safety of the system and equipment prior to completion of inspection, testing and commissioning in accordance with statutory and non statutory regulations

Assessment criteria
The learner can:

  1. Carry out safe isolation procedures in accordance with regulatory requirements for electrical installations
  2. Ensure the Health and Safety of themselves and others within the work location during inspection, testing and commissioning
  3. Check the safety of electrical systems prior to the commencement of inspection, testing and commissioning.

Learning Outcome 2

Be able to inspect electrotechnical systems and equipment

Assessment criteria
The learner can:

  1. Assess whether the safe system of work is appropriate to the work activity
  2. Carry out a visual inspection in accordance with the requirements of the installation specification, the IEE Wiring Regulations and IEE Guidance Note 3, that includes:
    • the installation methods of wiring systems and equipment
    • the selection of conductors, cables and cords
    • the selection of protective and isolation devices
    • routing and identification/labelling of conductors, cables and flexible cords
    • presence of means of earthing
    • presence of protective conductors and bonding
    • isolation
    • type and rating of over current protective devices
  3. Complete a schedule of inspections in accordance with the IEE Wiring Regulations and IEE Guidance Note 3.

Learning Outcome 3

Be able to test electrotechnical systems and equipment

Assessment criteria
The learner can:

  1. Select the test instruments and their accessories for tests
  2. Carry out tests in accordance with the installation specification and the IEE Wiring Regulations and manufacturer’s instructions
  3. Verify test results and report all findings to relevant persons, as appropriate
  4. Complete in accordance with the IEE Wiring Regulations and IEE Guidance Note 3:
    • Electrical installation certificates
    • Minor electrical installation works certificates
    • Schedules of inspections
    • Schedules of test results
  5. Conform in accordance with the IEE Wiring Regulations and IEE Guidance Note 3, and where appropriate customer/client requirements to the procedures and requirements for the recording and retention of completed:
    • Electrical installation certificates
    • Minor electrical installation works certificates
    • Schedules of inspections
    • Schedules of test results.

Range
Tests:

  • continuity
  • insulation resistance
  • polarity
  • earth fault loop impedance
  • prospective fault current
  • RCD operation
  • phase sequence
  • functional testing.

Relevant persons:

  • Representatives of other services / colleagues
  • Customers/clients.

Learning Outcome 4

Be able to commission electrotechnical systems and equipment

Assessment criteria
The learner can:

  1. Clarify the commissioning procedures with relevant persons on site
  2. Carry out the commissioning of circuits, equipment and components to confirm functionality, fit for purpose and safety in accordance with:
    • the installation specification
    • IEE Wiring Regulations
    • manufacturer’s instructions
    • maintenance schedules
    • Health and Safety requirements
  3. Demonstrate to the customer/client that the operation of the circuits, equipment and components are in accordance with the installation specification and customer/client requirements
  4. Complete the handover of electrotechnical systems and equipment to relevant persons including the provision of accurate and complete documentation regarding the completed inspection, testing, commissioning and customer satisfaction.

Relevant persons:

  • Representatives of other services / colleagues
  • Customers/clients.