A crew blasts and bores holes for 115kV H-Frame wood transmission poles in eastern Washington. Host Utility: Bonneville Power Administration.
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After the blasting activities are completed, how are the native soil conditions determined so that the H-Frames foundation can be calculated / determined? I would think that the blasting activities would significantly "disturb" the remaining native soil into a condition that would be difficult to determine for the H-FAD design and / or other foundation calculations.
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