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Level 1 Major Group Elements
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Level 2 Group Elements
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Level 3 Individual Elements
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Level 4 (Recommended)
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A - SUBSTRUCTURE
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A10 - FOUNDATIONS
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A1010 - Standard Foundation
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A1011000 - Wall Foundations - General
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A1030 - Slab on Grade
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A1032000 - Structural Slab on Grade
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A20 - BASEMENT CONSTRUCTION
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A2010 - Basement Excavation
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A2020 - Basement Walls - General
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A2021000 - Basement Wall Construction
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B - SHELL
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B10 -SUPERSTRUCTURE
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B1010 - Floor Construction
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B1010001 - Stone Interior Flooring
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B20 -EXTERIOR ENCLOSURE
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B2010 - Exterior Walls
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B2010002 - Precast Concrete
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B2020 - Exterior Windows
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B2020001 - Windows - Steel
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B2030 - Exterior Doors
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B2030001 - Doors - Wood
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B30 - ROOFING
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B3010 - Roof Coverings
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B3010001 - Inverted - Built-Up Asphalt & Felt Membrane
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B3020 - Roof Opening
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B3021000 - Glazed Roof Openings
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C - INTERIORS
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C10 - INTERIOR CONSTRUCTION
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C1010 - Partitions
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C1010001 - Room Divider
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C1020 - Interior Doors
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C1021 - Interior Door Systems
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C1021001 - Door Hardware - Locks
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C1022 - Interior Door and Frame & Hardware
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C1022000 - Interior Sliding & Folding Door
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C1030 - Fittings
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C1035000 - Storage Shelving
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C1040 - Interior Windows - Sealants
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C20 - STAIRS
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C2010 - Stair Construction
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C2010001 - Stairs - Cast in Place Concrete
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C2020 - Stair Finishes
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C2021000 - Stair, Tread & Landing Finishes
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C30 - INTERIOR FINISHES
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C3010 - Interior Wall Finishes
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C3010001 - Interior Wall Finishes - Drywall
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C3020 - Floor Finishes
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C3021000 - Floor Toppings
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C3030 - Ceiling Finishes
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C3031000 - Ceiling - Exposed Concrete Finishes
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D - SERVICES
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D10 - CONVEYING
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D1010 - Elevator and Lifts
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D1011000 - Elevators - Passenger
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D1020 - Escalators and Moving Walks
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D1021000 - Escalators
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D1090 - Other Conveying Systems
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D1091000 - Dumbwaiters
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D20 - PLUMBING
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D2010 - Plumbing Fixtures
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D2011000 - Water Closets
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D2020 - Domestic Water Distribution
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D2021000 - Cold Water Service - General
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D2030 - Sanitary Waste
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D2031000 - Waste Piping
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D2040 - Rain Water Discharge
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D2041000 - Pipe & Fittings
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D2090 - Other Plumbing System
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D2091000 - Gas Distribution
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D30 - HVAC
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D3000 - Mechanical Systems
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D3010 - Energy Supply or Central Plant
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D3011000 - Oil Supply System
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D3020 - Heat Generating Systems
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D3021000 - Steam Boilers
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D3030 - Cooling Generating Systems
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D3030001 - Refrigeration- Compressors
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D3040 - Distribution Systems
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D3030001 - Refrigeration- Compressors
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D3040 - Distribution Systems
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D3041000 - Air Distribution Systems - General
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D3050 - Terminal & Package Units
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D3051000 - Terminal Units for Heating & Cooling (TU) - General
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D3060 - Controls and Instruments
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D3061000 - Heat Systems Controls
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D3070 - Systems Testing and Balancing
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D3090 - Other HVAC Systems and Equipment
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D3091000 - Special Cooling Systems & Devices
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D40 - FIRE PROTECTION
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D4010 - Sprinklers
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D4011000 - Sprinkler - Water Supply
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D4020 - Standpipes
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D4021000 - Standpipe & Hose - Water Supply
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D4030 - Fire Protection Specialities
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D4031000 - Fire Extinguishers
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D4090 - Other Fire Protection
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D4091000 - Carbon Dioxide Systems
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D50 - ELECTRICAL
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D5010 - Electrical Service & Distribution
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D5011000 - High Tension Services & Distribution
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D5020 - Lighting and Branch Wiring
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D5021000 - Lighting & BW - Building Interior - General
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D5030 - Communications and Security
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D5031000 - Public Address & Music Systems
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D5090 - Other Electrical Systems
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D5091000 - Emergency Light Systems
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E - EQUIPMENT & FURNISHINGS
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E10 - EQUIPMENT
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E1010 - Commercial Equipment
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E1011000 - Commercial Appliances - General
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E1020 - Institutional Equipment
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E1021000 - Institutional Appliances - General
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E1030 - Vehicular Equipment
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E1032000 - Parking Control Equipment
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E1090 - Other Equipment
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E1090001 - Audio Visual Equipment
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E20 - FURNISHINGS
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E2010 - Fixed Furnishings
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E2020 - Movable Furnishings
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E2020001 - Plants
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F - SPECIAL CONSTRUCTION & DEMOLITION
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F10 - SPECIAL CONSTRUCTION
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F1010 - Special Structures
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F1011000 - Air Supported Structure
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F1020 - Integrated Construction
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F1021000 - Integrated Assemblies
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F1030 - Special Construction Systems
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F1031000 - Sound, Vibration & Seismic Construction
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F1040 - Special Facilities
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F1041000 - Aquatic Facilities
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F1050 - Special Control & Instrumentation
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F1051000 - Recording Instrumentation
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F20 - SELECTIVE BUILDING DEMO
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F2010 - Building Element Demolition
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F2020 - Hazardous Waste Abatement
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F2021000 - Removal of Hazardous Building Components
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G - BUILDING SITEWORK
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G10 - SITE PREPARATION
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G1010 - Site Cleaning
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G1020 - Site Demolition and Relocations
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G1030 - Site Earthwork
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G1040 - Hazardous Waste Remediation
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G1041000 - Environmental Site Assessment - General
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G20 - SITE IMPROVEMENTS
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G2010 - Roadways
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G2010001 - Roadways- Drop-off Circle
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G2020 - Parking Lots
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G2020001 - Parking Lots, Visitors Parking
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G2030 - Pedestrian Paving
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G2031000 - Pedestrian Paving - Paving & Surfacing
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G2040 - Site Development
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G2041000 - Fences & Gates - General
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G30 - SITE CIVIL/MECHANICAL UTILITIES
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G3010 - Water Supply
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G3011000 - Potable & Non-Potable Water Systems - General
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G3020 - Sanitary Sewer
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G3021000 - Sanitary Sewer - Piping
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G3030 - Storm Sewer
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G3031000 - Storm Sewer - Piping
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G3040 - Heating Distribution - Outside Building
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G3041000 - HDOB - Steam Supply
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G3050 - Cooling Distribution -Outside Building
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G3051000 - CDOB - Chilled Water Piping
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G3060 - Fuel Distribution
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G3061000 - Fuel Piping
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G3090 - Other Site Mechanical Utilities
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G3090001 - Certificate of Approval
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G40 - SITE ELECTRICAL UTILITIES
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G4010 - Electrical Distribution
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G4011000 - Substations - General
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G4020 - Site Lightings
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G4021000 - Fixtures & Transformers
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G4030 - Site Communications & Security
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G4031000 - Site Telephone Systems
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G4090 - Other Site Electrical Utilities
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G90 - OTHER SITE CONSTRUCTION
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G9010 - Service & Pedestrian Tunnels
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G9090 - Other Site Systems
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G9091003 - Snow Melting Systems - Electrical
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H - GENERAL REQUIREMENTS
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H10 - GENERAL REQUIREMENTS
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H1010 - General Requirements - General
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H1010001 - Administration
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H20 - CONTINGENCIES
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H2010 - Contingencies - General
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H30 - SURVEYS/REPORTS
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H3010 - Surveys/Reports - General
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H40 - SPECIAL SURVEYS
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H4010 - Survey - General
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