Installed 6 Dolphins for protecting the bridge’s piers
Ottawa County, Michigan
6 ft. Diameter 130 ft. deep
The excavation of the shafts was performed under slurry through very dense to extremely dense granular soils.
Full length permanent casing installed into each shaft.
EJE Railway Company
EJE Railway Company Bridge No. 552
8 Drilled Shafts
10 ft. Diameter
50 ft. deep
10 ft. socketed into limestone rock
Shafts installed from barge and causeway
Full length permanent casing vibrated to rock
Formulated, implimented, and monitored a mass concrete tempreture control plan.
Cross Hole Sonic Log Tested each shaft.