Fully qualified SAP services up to 33kV for private networks, ICP works, renewables and commercial sites. Experienced in issuing Permits to Work, carrying out isolations and managing switching operations safely — to both DNO and private network safety standards. Based in Kent and working nationwide.
What Our SAP Service Covers
A Senior Authorised Person (SAP) is responsible for issuing safe working documents, managing isolations and ensuring the HV system is in a safe condition before any work begins. Our SAP service provides everything required to manage HV works safely on your network.
- Issuing Permits to Work (PTW) for HV and LV work in progress
- Switching and isolation operations — planned and emergency
- Re-energisation and circuit restoration
- Live network supervision during HV works
- Access control and safety documentation
- Point of Work identification and proving dead
- HV cable spiking and proving dead before jointing
- Coordination with DNO/IDNO networks
Where We Provide SAP Services
Our SAP attendance covers a range of site types across private and contestable HV network environments:
- Private HV networks — industrial sites, commercial developments, business parks
- Battery storage and solar farm HV systems
- EV infrastructure installations requiring HV isolation and supervision
- New ICP connection works — connection day management up to energisation
- Industrial estates and commercial developments with private 11kV networks
- IDNO adoption works — taking control of the LV network on connection day
SAP and Jointing in the Same Team
One of the practical advantages of using R&D Cable Jointing is that our SAP and jointing capability sits within the same team. You do not need to coordinate separate contractors for HV isolation and the jointing works — we can provide both, under one programme, with clear accountability. This simplifies programme management and removes the risk of delays caused by SAP non-attendance.
Safety Standards We Work To
Our SAP works to the applicable safety management system for the network in question — whether that is DNO-specific Distribution Safety Rules for contestable connections, a private network operator's own safety rules, or a system aligned to the HSE's guidance on Electricity at Work Regulations 1989.
Areas: Essex, London, Kent, Hertfordshire, Surrey, Suffolk, Cambridgeshire, Bedfordshire and nationwide. Contact us with your switching schedule and site details and we will confirm SAP availability.