Construction of a multi phase project that included 94 drilled shafts, 30″-48″ diameter with average depths of 95′ in silt over Troutdale formation, shored via driven casing and slurry.  Also included installation of 36,000 square feet of sheetpile shoring, and 90 tiebacks with lengths of up to 80′.  Project included extensive SIDS and CSL testing.