. Deep ocean cable burial concept development. Cables, Submarine; Marine engineering; Civil engineering. Appendix C POWER ANALYSIS OF AUGER TRENCHING To estimate the power required to auger a trench in the seafloor consider a single vertical auger with the following characteristics Outside diameter, D = 4 in. o Inside diameter, D. = 2 in. Length, I = 36 in. Pitch, p = 3.6 in.. hoH Figure C-1. Auger configuration. With a 3 "slug" ,6-inch pitch, 10 revolutions of the auger are required for a of soil cut from the bottom of the trench to reach the top. Assumptions: Half of the auger cuts
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