- 02340 - Soil Stabilization
- 02370 - Erosion and Sedimentation Control
- 02390 - Shoreline Protection and Mooring Structure
- 02400 - Tunneling, Boring and Jacking
- 02830 - Retaining Walls
- 03 38 00 - Post-Tensioned Concrete
- 03380 - Post-Tensioned Concrete
- 13 31 00 - Fabric Structures
- 13 31 23 - Tensioned Fabric Structures
- 13 34 00 - Fabricated Engineered Structures
- 13 34 13 - Glazed Structures
- 13 34 16 - Grandstands and Bleachers
- 13 34 19 - Metal Building Systems
- 13 34 23 - Fabricated Structures
- 13 34 56 - Observatories
- 13 44 00 - Modular Mezzanines
- 13120 - Pre-Engineered Structures
- 31 25 00 - Erosion and Sedimentation Controls
- 31 25 13 - Erosion Controls
- 31 25 23 - Rock Barriers
- 31 25 53 - Sedimentation Controls
- 31 25 63 - Rock Basins
- 31 32 00 - Soil Stabilization
- 31 32 13 - Soil Mixing Stabilization
- 31 32 19 - Geosynthetic Soil Stabilization and Layer Separation
- 31 32 23 - Pressure Grouting Soil Stabilization
- 31 32 33 - Shotcrete Soil Slope Stabilization
- 31 35 19 - Geosynthetic Slope Protection
- 31 35 23 - Slope Protection with Slope Paving
- 31 36 00 - Gabions
- 31 37 00 - Riprap
- 31 70 00 - TUNNELING AND MINING
- 32 32 00 - Retaining Walls
- 32 32 13 - Cast-in-Place Concrete Retaining Walls
- 32 32 16 - Precast Concrete Retaining Walls
- 32 32 19 - Unit Masonry Retaining Walls
- 32 32 23 - Segmental Retaining Walls
- 32 32 29 - Timber Retaining Walls
- 35 31 00 - Shoreline Protection
- 35 31 16 - Seawalls
- 35 31 19 - Revetments
- 35 31 23 - Breakwaters
- 35 31 26 - Jetties
- 35 31 29 - Groins
- 35 42 00 - Waterway Bank Protection