31 63 00 Bored Piles
31 63 16 Auger Cast Grout Piles
31 63 13 Bored and Augered Test Piles 31 63 16 Auger Cast Grout Piles 31 63 19 Bored and Socketed Piles 31 63 19.13 Rock Sockets for Piles 31 63 23 Bored Concrete Piles 31 63 23.13 Bored and Belled Concrete Piles 31 63 23.16 Bored Friction Concrete Piles 31 63 26 Drilled Caissons 31 63 26.13 Fixed End Caisson Piles 31 63 26.16 Concrete Caissons for Marine Construction 31 63 29 Drilled Concrete Piers and Shafts 31 63 29.13 Uncased Drilled Concrete Piers 31 63 29.16 Cased Drilled Concrete Piers 31 63 33 Drilled Micropiles