31 66 13
Special Piles
31 66 00
Special Foundations
31 64 29
Sheeted Caissons
31 64 26
Pneumatic Caissons
31 64 23
Open Caissons
31 64 19
Floating Caissons
31 64 16
Excavated Caissons
31 64 13
Box Caissons
31 64 00
Caissons
31 63 33
Drilled Micropiles
31 63 29.16
Cased Drilled Concrete Piers
31 63 29.13
Uncased Drilled Concrete Piers
31 63 29
Drilled Concrete Piers and Shafts
31 63 26.16
Concrete Caissons for Marine Construction
31 63 26.13
Fixed End Caisson Piles
31 63 26
Drilled Caissons
31 63 23.16
Bored Friction Concrete Piles
31 63 23.13
Bored and Belled Concrete Piles
31 63 23
Bored Concrete Piles
31 63 19.13
Rock Sockets for Piles