Unusable space, definition

Unusable space, with respect to poles, means the space on the pole below the usable space, including the amount required to set the depth of the pole. In the absence of measurements to the contrary, a pole is presumed to have twenty-four feet of unusable space.
Unusable space, means the space on a utility pole below the usable space including the amount required to set the depth of the pole.
Unusable space, with respect to poles, means the space on

More Definitions of Unusable space,

Unusable space, means the 6 feet buried in the ground plus the first 18 feet above ground and below the first attachment, unless the Pole-Owning Utility has conducted a study of the actual average amount buried or the clearance above ground below the first attachment.