Existing, older cables in those areas will remain in service with the new cables providing system backup.A spokesperson for Belco said yesterday: “Belco has received permission to install two major transmission reinforcements in the east and west ends of the Island to provide redundancy and accommodate future development.“Timing of the project has not been established.”Belco proposes to install power and control cables on the ocean floor in an area between Cut Wharf, Dockyard and Admiralty House dock in Pembroke; and between Tucker’s Town public dock and Cooper’s Island, St George’s.