503DRILLED SHAFT FOUNDATIONS ................................ ................................ ................................ ................. 217

503.01 Description ................................ ................................ ................................ ................................ ................... 217

x 503.02 Materials ................................ ................................ ................................ ................................ ....................... 217

503.02.01 Materials ................................ ................................ ................................ ................................ ..... 217

503.02.02 Equipment ................................ ................................ ................................ ................................ ... 217

503.03 Construction ................................ ................................ ................................ ................................ .................. 218

503.03.01 Furni shing Drilled Shaft Equipment ................................ ................................ ........................... 218

503.03.02 Demonstration Drilled Shaft ................................ ................................ ................................ ....... 218

503.03.03 Load Test ................................ ................................ ................................ ................................ .... 219

503.03.04 Crosshole Sonic Logging ................................ ................................ ................................ ............ 221

503.03.05 Tomography ................................ ................................ ................................ ................................ 223

503.03.06 Shaft Coring ................................ ................................ ................................ ................................ 223

503.03.07 Constructing Drilled Shafts ................................ ................................ ................................ ......... 223

503.03.08 Obstructions Removal