CSI MasterFormat Divisions List

Division 00: Procurement and Contracting Requirements

• 00 11 00 Invitations to Bid: Formal notices to contractors.
• 00 41 00 Bid Forms: Standardized documents for submitting pricing.
• 00 52 00 Agreement Forms: Legal contracts between Owner and Contractor.
• 00 72 00 General Conditions: The "ground rules" (e.g., AIA A201).

Division 01: General Requirements

• 01 31 00 Project Management and Coordination: Procedures for RFI and meetings.
• 01 33 00 Submittal Procedures: Workflows for shop drawings, product data, and samples.
• 01 50 00 Temporary Facilities and Controls: Job trailers, temporary power, and silt fencing.
• 01 77 00 Closeout Procedures: Punch lists, final cleaning, and project record documents.

Division 02: Existing Conditions

• 02 41 00 Demolition: Selective interior demo or total structure tear-down.
• 02 82 00 Asbestos Remediation: Specialized handling of hazardous materials.

Division 31: Earthwork

• 31 10 00 Site Clearing: Stripping vegetation and topsoil.
• 31 20 00 Earth Moving: Excavation, backfill, and compaction testing.
• 31 60 00 Special Foundations: Driven piles, caissons, and helical piers.

Division 03: Concrete

Division 03 submittal services: concrete and masonry →

• 03 10 00 Concrete Forming and Accessories: Formwork, liners, and ties.
• 03 20 00 Concrete Reinforcing: Rebar and welded wire fabric (WWF).
• 03 30 00 Cast-in-Place Concrete: Standard slabs, walls, and columns.
• 03 40 00 Precast Concrete: Architectural panels and hollow-core planks.

Division 04: Masonry

Division 04 submittal services: concrete and masonry →

• 04 20 00 Unit Masonry: Concrete Masonry Units (CMU) and clay brick.
• 04 40 00 Stone Assemblies: Granite, limestone, or marble veneers.
• 04 70 00 Manufactured Masonry: Cultured stone and cast stone.

Division 05: Metals

Division 05 submittal services: steel and metals →

• 05 12 00 Structural Steel Framing: I-beams, columns, and girders.
• 05 31 00 Steel Decking: Fluted metal sheets for floors and roofs.
• 05 50 00 Metal Fabrications: Loose lintels, ladders, and bollards.

Division 06: Wood, Plastics, and Composites

• 06 10 00 Rough Carpentry: Wall framing, floor joists, and blocking.
• 06 20 00 Finish Carpentry: Trim, baseboards, and crown molding.
• 06 41 00 Architectural Wood Casework: Custom cabinets and vanities.

Division 07: Thermal and Moisture Protection

Division 07 submittal services: roofing and waterproofing →

• 07 21 00 Thermal Insulation: Batt, spray foam, and rigid board.
• 07 50 00 Membrane Roofing: EPDM, TPO, and PVC flat roofing.
• 07 62 00 Sheet Metal Flashing and Trim: Copings and drip edges.
• 07 92 00 Joint Sealants: Caulking and expansion joint fillers.

Division 08: Openings

Division 08 submittal services: doors, frames and hardware →

• 08 11 00 Hollow Metal Doors and Frames: Commercial steel doors.
• 08 41 00 Entrances and Storefronts: Aluminum-framed glass systems.
• 08 71 00 Finish Hardware: Locks, hinges, and exit devices (panic bars).

Division 09: Finishes

Division 09 submittal services: finishes →

• 09 29 00 Gypsum Board: Drywall installation and finishing.
• 09 30 00 Tiling: Ceramic, porcelain, and quarry tile.
• 09 51 00 Acoustical Ceilings: Drop ceilings and T-bar grids.
• 09 65 00 Resilient Flooring: Luxury Vinyl Tile (LVT) and VCT.
• 09 91 00 Painting: Interior and exterior coatings.

Division 21: Fire Suppression

Division 21 submittal services: fire protection →

• 21 13 00 Fire-Suppression Sprinkler Systems: Wet-pipe and dry-pipe systems.

Division 22: Plumbing

Division 22 submittal services: plumbing →

• 22 11 00 Facility Water Distribution: Domestic hot and cold water piping.
• 22 40 00 Plumbing Fixtures: Sinks, toilets, and drinking fountains.

Division 23: HVAC

Division 23 submittal services: HVAC and mechanical →

• 23 05 93 Testing, Adjusting, and Balancing: (TAB) for airflow efficiency.
• 23 31 00 HVAC Ducts and Casings: Metal and flexible ductwork.
• 23 81 00 Decentralized HVAC Equipment: RTUs (Roof Top Units) and Split Systems.

Division 26: Electrical

Division 26 submittal services: electrical →

• 26 05 33 Raceway and Boxes for Electrical Systems: Conduit and junction boxes.
• 26 24 00 Switchboards and Panelboards: Main electrical distribution.
• 26 51 00 Interior Lighting: LED fixtures and emergency lighting.

Division 27: Communications

Division 27 submittal services: communications and electrical →

• 27 10 00 Structured Cabling: CAT6 wiring and fiber optics.

Division 28: Electronic Safety and Security

Division 28 submittal services: electrical and fire alarm →

• 28 31 00 Fire Detection and Alarm: Smoke detectors and pull stations.