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CSI MasterFormat™ Sub-Division List |
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| CSI Code | Short Description | Extended Description |
| 02400 | Tunneling, Boring and Jacking |
| 024000 | Demolition And Structure Moving |
| 02410 | Tunnel Excavation | Compressed Air Tunneling Muck Disposal Rock Excavation - Drill and Blast Rock Excavation - Tunnel Boring Machine Soft Ground Shield - Driven Tunneling |
| 024100 | Demolition |
| 024113 | Seletive Site Demolition |
| 024116 | Structure Demolition |
| 024116 | Structure Demolition |
| 024119 | Selective Structure Demolition |
| 024119 | Selective Structure Demolition |
| 024191 | Selective Historic Demolition |
| 02420 | Initial Tunnel Support System | Prefabricated Steel Tunnel Linings Rock Bolting Steel Ribs and Lagging |
| 024200 | Removal & Salvage of Construction Materials |
| 02425 | Tunnel Lining | Cast - in - Place Concrete Tunnel Linings Precast Concrete Tunnel Lining |
| 024291 | Removal & Salvage of Historic Construction Materials |
| 02430 | Tunnel Grouting | Earth Stabilization Chemical Grouting Rock Seam Pressure Grouting Tunnel Liner Grouting |
| 024300 | Structure Moving |
| 024313 | Structure Relocation |
| 024316 | Structure Raising |
| 02440 | Immersed and Sunken Tube Tunnel |
| 02441 | Microtunneling |
| 02442 | Cut and Cover Tunnel |
| 02443 | Tunnel Leak Repair |
| 02444 | Shaft Construction |
| 02445 | Boring or Jacking Conduit |
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