Posted By Calum Cameron Tech SP I am in the process of dealing with the issue of work on HV swith gear and apparatus. I was hoping that someone has a policy and a safe system of work that will cover the safe grounding and discharge of this equipment before a permit is issued as the conductors are capacitive in themselves and will hold a significant charge. If anyone has a copy of the above, I would be very gratefull if they could let me have a copy. Thanks very much in advance

Posted By Robert K Lewis Calum I must endorse Jane. This is a complex operation and any system must be designed by a competent electrical person. Do NOT attempt this yourself otherwise you are probably working outside of your competency, I do not know your educational background etc. Your company, looking at your e-mail address, will have electrical specialist managers for this type of work and you must involve them. If they are not available you will need to contract this out to a specialist contractor. You do not say precisely what type of area this is in but there are a number of companies operating in this field.

Posted By George Wedgwood Calum, feel free to call me for a chat about such systems. I too am an electrical engineer and a specialist in such systems (former generation & supply company experience) and have developed some smaller safety systems for others. The basis is, of course, a permit system based on the HSE recommendations for (typically) the petro-chem industries but the key is good procedures like you mention that actually work in your environment, in conjunction with such a safe system. It is a bit too complicated to discuss over the Chat Page so feel free to email me on gaw@pgen.net or call 07836 718908. Regards, George Wedgwood CEng MIEE FIOSH