RoLE System Update NR/L3/ELP/29987 Module 4 - Maintaining the Integrity and Safe Operation of 25 kV A.C. Electrified Lines 4.4 ‘Green’ Bonds Connections between the main earthing terminal (MET) of an LV network and the traction return circuit are designated as 'green bonds'. If disconnected, the LV equipment or LV circuit might no longer be earthed. As a consequence: a fault on the LV system, or a broken overhead contact line coming into contact with the LV equipment, might not be detected. Green bonds shall only be disconnected by competent staff and shall work to a method of work authorised as in table 1. Where the DPE is not competent in assessment of electrical risks, they shall follow the advice of an identified competent engineer WORK TYPE AUTHORISED BY Maintenance Delivery Unit Electrification and Plant Maintenance Engineer Projects Designated Project Engineer Table 1 – Authorisers of methods of work Go to top Acknowledgement Slip Date Date First Name * First Name Surname * Surname E Mail Address * Email Address Company Division * Company Division OHL Construction TeamIsolations TeamWelding TeamDe Vegetation TeamPlant & Transport TeamSupport Services Do You Have Any Questions? * YES NO You Indicated That You Have Questions, Please Let us Know What they Are * Acknowledgement * Acknowledgement I Have Read & Understood The BriefI Don't Understand The Brief & Require More Information You Indicated That You Did Not Understand The Briefing, Please Let Us Know Why So We Can Clarify It For You * Signature signature keyboard Clear If you are human, leave this field blank. Submit