Thames Barrier electrical maintenance of 11Kv silicone transformers and oil change of Yorkshire OSAT oil switches

Thames Barrier piers and abutments electrical maintenance of 11Kv silicone transformers and oil change of Yorkshire OSAT oil switches (21 in total) and taking oil samplings of the oil replaced to provide PCB certificates. Plus 5 silicone filled transformers (on shores). PLEASE NOTE that any personnel who will have access to the tender documents and the on-site team must have a suitable level of clearance, the baseline standard acceptable is a Counter Terrorist Check (CTC). Please submit copies of the CTC clearance...