A connection provider may provide diversionary or reinforcement work that is directly associated with a new or augmented connection at voltage levels not exceeding 33 kV. The scope of such work is set out within a further national framework document. Please click on the link below.
Engineering recommendation G81 Part 7 - Contestable diversionary and reinforcement underground and overhead work not exceeding 33 kV and HV/LV distribution substations.
NGED have a published set of Distribution Safety Rules (DSR's) which are in place for the protection of employees and the safety of all who may work on distribution network operator systems.
A copy of the DSR's can be viewed here.