03 20 00 Concrete Reinforcing
03 21 00 Reinforcement Bars
03 21 11 Plain Steel Reinforcement Bars 03 21 13 Galvanized Reinforcement Steel Bars 03 21 16 Epoxy-Coated Reinforcement Steel Bars 03 21 19 Stainless Steel Reinforcement Bars 03 21 21 Composite Reinforcement Bars 03 21 21.11 Glass Fiber-Reinforced Polymer Reinforcement Bars 03 21 21.13 Organic Fiber-Reinforced Polymer Reinforcement Bars 03 21 21.16 Carbon Fiber-Reinforced Polymer Reinforcement Bars