Categories

33 40 00 Stormwater Utilities Highway Contractor Specialty Contractor Utility Contractor Industrial Contractor Rock/Gravel/Sand 31 00 00 Earthwork 31 10 00 Site Clearing 31 20 00 Earth Moving 31 40 00 Shoring and Underpinning 31 62 00 Driven Piles 31 63 00 Bored Piles 31 70 00 Tunneling and Mining 31 71 00 Tunnel Excavation 31 71 16 Tunnel Excavation by Drilling and Blasting 32 16 00 Curbs, Gutters, Sidewalks, and Driveways 33 10 00 Water Utilities 33 16 00 Water Utility Storage Tanks 33 30 00 Sanitary Sewerage