Install assemblies and enclosures for Solar PV and EESS systems
Overview
This standard is for people who install assemblies and enclosures for electrical cables, conductors and wiring systems internally and externally for Solar PV and Electrical Energy Storage System (EESS) systems.
The person undertaking this work must be able to comply with the relevant procedures and methods for installing assemblies and enclosures for electrical cables, conductors and wiring systems in accordance with the current versions of the appropriate industry standards and regulations, the specification, industry recognised working practices, the working environment and the natural environment.
Those undertaking this work must know and understand the different types of assemblies and enclosures for electrical cables, conductors and wiring systems, the limitations, applications and the techniques for the positioning, fitting, fixing and connection of the assemblies and enclosures, including the components and accessories.
Performance criteria
You must be able to:
1. confirm the suitability of the electrical power supply
2. confirm before work starts that the work location and work area can be accessed safely and has been checked for hazards that may present a risk to personnel on the site, and take appropriate action if a risk is present
3. produce a risk assessment and method statement for the work to be undertaken including the identification and use of personal protective equipment (PPE)
4. verify that job information and documentation is current and relevant and that the plant, instruments, access equipment, tools required are fit for purpose
5. select the appropriate assemblies and enclosures and confirm that they are:
· of the correct type and size for the Solar PV and EESS system
· fit for purpose in accordance with the system design
6. confirm that the plans for locating, positioning and fixing the components and accessories of the selected assemblies and enclosures are in accordance with:
· the Solar PV and EESS system design
· manufacturer instructions
7. comply with relevant industry practices and organisational procedures to ensure the co-ordination of site services and the activities of other trades
8. identify the means of electrical isolation for the AC and DC system where relevant prior to commencing installation work
9. complete the correct safe-isolation procedures to ensure the safe installation of the assemblies and enclosures relevant to the Solar PV and EESS system
10. measure and mark out the locations for fitting and fixing of selected enclosures / supports/ components and accessories in accordance with:
· the Solar PV and EESS system design
· manufacturer instructions
11. fit, fix and connect the selected enclosures/ supports / components and accessories using the correct tools in accordance with:
· the Solar PV and EESS system design
· industry recognised methods
· manufacturer instructions
12. confirm with the relevant people
· those necessary variations to the planned programme of work that may have the potential to introduce a hazard and/or impact on the installation work to be undertaken
· the correct actions to be undertaken to ensure that any variations to the planned programme of work will not introduce a hazard and have minimum impact on the installation work to be undertaken
13. implement organisational procedures for the safe transport and delivery or disposal of waste materials, substances and liquids in accordance with supplier and manufacturer instructions and legal requirements
14. the safe transport and/or disposal of any waste material, substances and liquids in accordance with suppliers’ and manufacturers’ instructions and legislation
Knowledge and Understanding
You need to know and understand:
1. the operation, applications, advantages and limitations of different Solar PV and EESS systems
2. the appropriate industry standards and regulations relevant to installing assemblies and enclosures
3. how to produce a risk assessment and method statement for the work to be undertaken including the identification and use of PPE in accordance with:
· the Solar PV and EESS system design
· organisational procedures
4. how to verify that job information and documentation is current and relevant and that the plant, instruments, access equipment and tools are fit for purpose
5. the applications, advantages and limitations of types of PPE
6. the applications, advantages and limitations of types of assemblies and enclosures
7. the industry recognised methods for determining the type and size of assemblies and enclosures
8. how to interpret diagrams and drawings for the Solar PV and EESS system to locate site services
9. how to interpret diagrams and drawings for the Solar PV and EESS system to identify the planned location of the assemblies and enclosures
10. the methods and techniques for fitting, fixing and connecting the selected assemblies and enclosures and their components and accessories in accordance with:
· the Solar PV and EESS system design
· manufacturer instructions
11. the correct procedures for safe isolation for AC and DC systems
12. the organisational procedures for confirming with the relevant people the appropriate actions to be taken to ensure that any variations to the planned programme of work will not introduce a hazard and have minimum negative impact on the installation work to be undertaken
13. the methods for the safe transport and delivery or disposal of waste material, substances and liquids in accordance with suppliers’ and manufacturer instructions and legal requirements
14. the safe transport and/or disposal of any waste material, substances and liquids in accordance with suppliers’ and manufacturers’ instructions and legislation
Scope/range
Working environments (internal and/or external)
· domestic
· non-domestic
o commercial
o industrial
o agricultural
o horticultural
o leisure and entertainment
o residential medical and care facilities
o public highways and parks
o public services establishments
o pre-1919 traditional/historic buildings
Solar PV and Electrical Energy Storage System
· Panels/arrays
· Panel support systems
· Charge controller
· Battery bank
· Inverter/power optimiser
· Power meter
· SMART controls/technology
Site
· new build construction – building or structure
· an existing building or structure
Site services
· electricity
· water
· gas
· oil
· drainage
· telecommunications
· data transmission either underground or overhead
Organisation procedures
· information management
· project management
· risk assessment
· risk management
· implementing and monitoring health and safety requirements and issues
· implementing and monitoring issues relating to the natural environment
· customer services
· emergencies
· communication with relevant people
Plant
· generators
- transformers for reduced low-voltage powered hand-tools
· lifting equipment
· access equipment
Assemblies
· Junction boxes
· Combiner boxes
· Distribution boards and switchgear assemblies
· DC Isolators or string fuse enclosures
Enclosures
· PVC and steel conduit
· PVC and steel trunking
· cable tray
· basket and ladder systems
· ducting systems
· bus-bar trunking
· pre-fabricated conductor, cable and wiring systems
Relevant people
· customers/clients
· client representatives
· supervisors
· site/contract manager
· other contractors/trades
· members of the public
· work colleagues