Filling in the winch pit. Blocks cut to extract the tower base feet are re-used to construct a protective wall around the borehole slot, so snow only fills the winch pit, and leaves the slot clear.
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Filling in the winch pit. Blocks cut to extract the tower base feet are re-used to construct a protective wall around the borehole slot, so snow only fills the winch pit, and leaves the slot clear.
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