This aluminum high-density cable management system shall consist of a 9 1/2" wide series of channels, affixed to a single runner, which will hinge open for unrestricted access to the cables. Chases shall have a minimum of four 3" "L-shaped" carriers in which multiple groups of cables will reside. Chases will be provided as 5' lengths, to be cut to size in the field for specific lengths between pedestals.