UNIT 315

NVQ Level 3 2357

Planning, Preparing and Installing Wiring Systems & Associated 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 plan, prepare and install wiring systems and associated 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 SEVEN learning outcomes to this unit. The learner will:

LO1 – Be able to prepare the working environment for the installation of wiring systems, enclosures and associated equipment
LO2 – Be able to correctly interpret appropriate information for the installation of wiring systems, enclosures and associated equipment
LO3 – Be able to confirm that planned work is in accordance with the installation specification
LO4 – Be able to confirm the electrical supply is in accordance with the installation specification
LO5 – Be able to measure and mark-out the fixing and fitting locations for wiring systems, wiring enclosures and equipment in accordance with current relevant statutory and non statutory regulations
LO6 – Be able to fit and fix wiring systems, wiring enclosures and associated equipment safely in accordance with the installation specification
LO7 – Be able to confirm any variations to the installation specification or planned programme of work.

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
  • You must provide auditable evidence sourced from a real working environment that you have demonstrated on two separate occasions that you can competently…

* interpret installation specifications to produce material and equipment requisites
* identify and select material, equipment and components which are compatible with the installation specification
* identify suitable methods, procedures and practices for the installation of electrical systems, enclosures and associated equipment
* confirm site readiness for installation work to begin
* confirm secure site storage facilities for tools, equipment, materials and components.

Learning Outcomes 2 – 7

You must provide auditable evidence sourced from a real working environment, on TWO separate occasions, that you can prepare and install wiring systems and associated 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 315 – Planning, Preparing and Installing Wiring Systems & Associated Equipment in Buildings, Structures & the Environment

Learning Outcome 1

Be able to prepare the working environment for the installation of wiring systems, enclosures and associated equipment

Assessment criteria
The learner can:

  1. Ensure the Health and Safety of themselves and others within the work location
  2. Identify and use suitable personal protective equipment throughout the completion of work activities
  3. Complete preparatory work for the installation of electrical systems, enclosures and associated equipment.

Range
Preparatory Work:

  • Interpretation of installation specifications to produce material and equipment requisites
  • Identification and selection of material, equipment and components which are compatible with the installation specification
  • Identification of suitable methods, procedures and practices
  • Confirmation of site readiness for installation work to begin
  • Confirmation of secure site storage facilities for tools, equipment, materials and components
  • Confirmation that safe isolation has been carried out (if appropriate) in accordance with regulatory requirements
  • Completion of a risk assessment.

Learning Outcome 2

Correctly interpret appropriate information for the installation of wiring systems, enclosures and associated equipment

Assessment criteria
The learner can:

  1. Use information and documentation that is current and relevant to the work required
  2. Use documentation to confirm that materials and equipment is of the correct quantity and is free from damage.

Range
Information and documentation:

  • Installation specifications
  • Work schedules
  • Work programmes
  • Regulatory documents (including current version of the IEE Wiring Regulations and relevant guidance notes)
  • Method statements
  • Manufacturer’s instructions.

Documentation:

  • Materials schedules
  • Plant and equipment schedules
  • Operating instructions
  • Tools and instruments.

Learning Outcome 3

Be able to prepare the working environment for the installation of wiring systems, enclosures and associated equipment

Assessment criteria
The learner can:

  1. Use appropriate procedures to record:
    • contract variations
    • site instructions
    • site events/diary
  2. Demonstrate that authorisation has been obtained from the relevant person(s) prior to commencement of the work
  3. Produce a record of any pre work damage or defects to existing equipment or building features, and report to the relevant person (customer; client; site manager; line manager).

Range
Relevant Persons:

  • Other workers
  • Customers/clients
  • Public (if appropriate).

Learning Outcome 4

Confirm the electrical supply is in accordance with the installation specification

Assessment criteria
The learner can:

  1. Verify the compatibility of the electrical supply to the requirements of the installation specification
  2. Identify the earthing arrangement for the electrical installation.

Learning Outcome 5

Measure and mark-out the fixing and fitting locations for wiring systems, wiring-enclosures and equipment in accordance with current relevant statutory and non statutory regulations

Assessment criteria
The learner can:

  1. Ensure that the planned locations for the wiring system(s) and its associated equipment are compatible with other site services requirements
  2. Use different measuring and marking out techniques which are appropriate to the wiring system, wiring enclosure and/or associated equipment that is being installed
  3. Ensure that the planned locations are visually acceptable and in accordance with the installation specification.

Learning Outcome 6

Fit and fix wiring systems, wiring enclosures and associated equipment safely in accordance with the installation specification

Assessment criteria
The learner can:

  1. Produce a planned programme of work for the fitting and fixing of wiring systems, wiring enclosures and associated equipment in accordance with:
    • a safe system of work co-ordination with other site services
    • relevant regulations (e.g. IEE Wiring Regulations; building regulations)
    • installation specification
    • manufacturers’ instructions
  2. Install the following in accordance with the IEE Wiring Regulations, the installation specification and agreed planned programme of work:
    • thermosetting insulated cables including flexes
    • single and multicore thermoplastic (PVC) and thermosetting insulated cables*
    • PVC/PVC flat profile cable*
    • MICC (with and without PVC sheath)
    • SWA cables (PILC, XLPE, PVC)*
    • armoured/braided flexible cables and cords
    • data cables
    • fibre optic cable
    • fire resistant cable*
    • * Evidence must be provided as a minimum for these cables *
  3. Install the following in accordance with the IEE Wiring Regulations, the installation specification and agreed planned programme of work:
    • conduit (PVC and metallic)*
    • trunking (PVC and metallic)*
    • cable tray*
    • cable basket
    • ladder systems
    • ducting
    • modular wiring systems
    • Busbar systems and Powertrack
    • * Evidence must be provided as a minimum for these five wiring systems and enclosures *
  4. Determine the cable carrying capacity of conduit, trunking and ducting in accordance with the IEE Wiring Regulations and the installation specification
  5. Install the following types of electrical equipment and accessories, in accordance with the IEE Wiring Regulations, the installation specification, manufacturers’ instructions and the agreed planned programme of work:
    • isolators and switches
    • socket-outlets
    • distribution-boards
    • consumer units
    • earthing fault and over current protective devices
    • luminaires
    • control equipment
    • data socket outlets
    • auxiliary equipment (e.g. heating/water system components)
  6. Dispose of unwanted material and equipment in accordance with site procedures and statutory requirements.

Learning Outcome 7

Confirm any variations to the installation specification or planned programme of work

Assessment criteria
The learner can:

  1. Confirm that, where variations to the installation specification and/or work programme have been identified, appropriate action has been taken after agreement of relevant persons (e.g. Customer; Client; Site Manager)
  2. Verify that that the completed system meets specified requirements in terms of ensuring that components and equipment of the correct type, fit for purpose and are installed in accordance with the IEE Wiring Regulations, the installation specification and, as appropriate, with manufacturer instructions.