The present invention provides an elongated structure comprising a pole having a wall around a hollow core as a tubular body portion extending along a longitudinal axis. The base of the wall of the tubular body portion is connected to an H-shaped frame extending from a leg of the pole along a longitudinal axis, the H-shaped frame being disposed in the core. The wall at the location of the H-shaped frame is provided with a door that is flush with the wall in the closed position and provides access to the core in the open position.
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