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CSI MasterFormat™ Sub-Division List |
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| CSI Code | Short Description | Extended Description |
| 02500 | Utility Service |
| 025000 | Site Remediation |
| 02505 | Granular Subbase |
| 02506 | Crushed Stone Paving |
| 02510 | Water Distribution | Cistems Disinfection of Water Distribution Fire Suppression Water Distribution Site Water Distribution Water Supply |
| 025100 | Physical Decontamination |
| 025113 | Coagulation & Flocculation Decontamination |
| 025116 | Rverse-Osmosis Decontamination |
| 025119 | Solidification & Stabilization Decontamination |
| 02512 | Excavation & Aggregate Base |
| 025123 | Mechanical Filtration Dcontamination |
| 025126 | Radioactive Decontamination |
| 025129 | Surface Cleaning Decontamination |
| 02513 | Asphalt Concrete Paving |
| 025133 | Surface Removal Decontamination |
| 02516 | Existing Concrete Assessment |
| 02520 | Well | Extraction Wells Monitoring Wells Recharge Wells Test Wells Water Supply Wells Well Abandonment |
| 025200 | Chemical Decontamination |
| 02521 | Pipe Culverts |
| 025213 | Chemical Precipitation Decontamination |
| 025216 | Iron Change Decontamination |
| 025219 | Neutralization Decontamination |
| 02530 | Sanitary Sewerage | Gauging Stations Packaged Pumping Stations Packaged Lift Stations Sanitary Cleanouts Sanitary Sewage Systems Sanitary Sewer Manholes, Frames, and Covers Sewage Collection Lines Sewage Force Mains Site Sanitary Sewage Lines |
| 025300 | Thermal Decontamination |
| 02540 | Septic Tank System | Drainage Field Grease Interceptor Sand Filter Septic Tank Siphon Tank |
| 025400 | Biological Decontamination |
| 02550 | Piped Energy Distribution | Chilled Water Distribution Hot Water Distribution Liquid Petroleum Gas Distribution Natural Gas Distribution Oil Distribution Steam Distribution |
| 025500 | Remediation Soil Stabilization |
| 025600 | Site Containment |
| 02570 | Process Materials Distribution Structure |
| 025700 | Sinkhole Remediation |
| 02580 | Electrical & Communication Structure | Antenna Towers Lighting Poles and Standards Transmission Towers Underground Ducts and Manholes Utility Poles |
| 025800 | Snow Control |
| 02584 | Roadway and Parking Marking |
| 02590 | Site Grounding |
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