What Is CSI Code?

Organize your construction specs and project information

"Material Bidders uses CSI as the link used to match the requested tenders of buyers with the corresponding suppliers. Material Bidders has chosen CSI for its widespread use in the specifications of projects worldwide."

Herein a brief on what is CSI and its different sections.

MasterFormat is a coding system for organizing construction documents, contracts, design specifications, and operational manuals. It uses specific numbers and associated titles that make up a universal indexing system. MasterFormat is also a publication created and maintained by the Construction Specification Institute (CSI) and Construction Specifications Canada (CSC). It is widely used in the construction and operation of buildings and systems in a variety of industries and projects, from hospitals and public infrastructure to schools and residential construction.

Advantages of Using MasterFormat

One of the most important benefits of MasterFormat is improved communication between project groups, most notably between the design and construction teams. It allows all team members to refer to specific sections of any document using the universal coding system. This facilitates coordination and communication between project owners, architects, contractors, and suppliers, minimizing the time spent organizing documents.

For industries with complex operations, such as health care, MasterFormat helps communicate and organize critical operational information among designers, builders, operations managers, and facility owners. In addition, as these and many other industries are increasingly using building information modeling, or BIM, MasterFormat can be used by modeling software to enhance data interoperability and improve BIM adoption.

The MasterFormat system can be used to organize many types of project documents, including:

  • Design specifications
  • Project manuals
  • Drawings (keynotes)
  • Product literature/data filing
  • Facility management and maintenance
  • Project integration and communication
  • Detailed cost estimating/project accounting
  • Building information modeling
MasterFormat Divisions and Subgroups
MasterFormat includes a group of "39 divisions" of construction information. Each division has its own number.

02 00 00 Existing Conditions
02 30 00 Subsurface Investigation
02 40 00 Demolition and Structure Moving
02 50 00 Site Remediation
02 60 00 Contaminated Site Material Removal
02 70 00 Water Remediation
02 80 00 Facility Remediation
03 00 00 Concrete
04 00 00 Masonry
05 00 00 Metals
06 00 00 Wood, Plastics, and Composites
07 00 00 Thermal and Moisture Protection
08 00 00 Openings
09 00 00 Finishes
10 00 00 Specialties
11 00 00 Equipment
12 00 00 Furnishings
13 00 00 Special Construction
14 00 00 Conveying Equipment
21 00 00 Fire Suppression
22 00 00 Plumbing
23 00 00 Heating, Ventilating, and Air Conditioning (HVAC)
25 00 00 Integrated Automation
26 00 00 Electrical
27 00 00 Communications
28 00 00 Electronic Safety and Security
31 00 00 Earthwork
32 00 00 Exterior Improvements
33 00 00 Utilities
34 00 00 Transportation
35 00 00 Waterway and Marine Construction
40 00 00 Process Interconnections
41 00 00 Material Processing and Handling Equipment
42 00 00 Process Heating, Cooling, and Drying Equipment
43 00 00 Process Gas and Liquid Handling,
44 00 00 Pollution and Waste Control Equipment
45 00 00 Industry-Specific Manufacturing Equipment
46 00 00 Water and Wastewater Equipment
48 00 00 Electrical Power Generation