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CSI MasterFormat Sub-Division List |
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| CSI Code | Short Description | Extended Description |
| 05100 | Structural Metal Framing |
| 051000 | Structural Metal Framing |
| 05120 | Structural Steel | Architecturally Exposed Structural Steel Fabricated Fireproofed Steel Columns Tubular Steel |
| 051200 | Structural Steel Framing |
| 051300 | Structural Stainless-Steel Framing |
| 05140 | Structural Aluminum | Architecturally - Exposed Structural Aluminum |
| 051400 | Structural Aluminum Framing |
| 05150 | Wire Rope Assemblies | Aluminum Wire Rope Assemblies Steel Wire Rope Assemblies |
| 051500 | Wire Rope Assemblies |
| 05160 | Metal Framing System | Geodesic Structures Space Frames |
| 051600 | Structural Cabling |
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