31 20 00 Earth Moving 31 00 00 Earthwork 03 00 00 Concrete 31 10 00 Site Clearing 03 22 00 Welded Wire Fabric Reinforcing 03 20 00 Concrete Reinforcing 03 30 00 Cast-in-Place Concrete 03 11 00 Concrete Forming 03 10 00 Concrete Forming and Accessories 31 23 00 Excavation and Fill