10 UNDERPINNING ANCHORING REPORT ® and produce the needed capacity in the high water table. Live-load capacity was used in the anchor calculations. Chance SS150 (1 1 /2"-square shaft), twin-helix (8"- and 10"-diameters) anchors were chosen for their high-torsional ratings. Chance Standard-Duty Bracket C150- 0121 was specified for this stabilization project. Anode protection was added by attaching the 1/0 copper strand pigtail to the brackets by t

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