CSI MasterFormat 

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  1. History
  2. Divisions
  3. MasterFormat Section Numbers At A Glance
  4. MasterFormat Numbering Rules
  5. MasterFormat Edition
    1. MasterFormat 1995 Divisions:
  6. Technical Support Information

History

In 2004, the Construction Specifications Institute (CSI) MasterFormat™ revised the numbers and titles to adequately cover construction industry subject matter while providing additional space for more subjects at each level of classification. The older MasterFormat 1995 Edition limited the room necessary and the Divisions simply ran out of space to properly address topics. CSI resolved these limitations by arranging the digits into five sets of paired numbers, one pair per level. Pairing the numbers allowed for more subdivisions at each level. 

Illustration Icon Indicating Important Information To NoteThe UFGS Master adheres to the current CSI MasterFormat revisions.

Illustration Icon Indicating Helpful HintTo learn more about MasterFormat, visit the CSI MasterFormat Website.

Divisions

Division Title Division Title

00

Procurement and Contracting Requirements

26

Electrical

01

General Requirements

27

Communications

02

Existing Conditions

28

Electronic Safety and Security

03

Concrete

29

Reserved for Future Expansion

04

Masonry

30

Reserved for Future Expansion

05

Metals

31

Earthwork

06

Wood, Plastics, and Composites

32

Exterior Improvements

07

Thermal and Moisture Protection

33

Utilities

08

Openings

34

Transportation

09

Finishes

35

Waterway and Marine Construction

10

Specialties

36

Reserved for Future Expansion

11

Equipment

37

Reserved for Future Expansion

12

Furnishings

38

Reserved for Future Expansion

13

Special Construction

39

Reserved for Future Expansion

14

Conveying Equipment

40

Process Interconnections

15

Reserved for Future Expansion

41

Material Processing and Handling Equipment

16

Reserved for Future Expansion

42

Process Heating, Cooling, and Drying Equipment

17

Reserved for Future Expansion

43

Process Gas and Liquid Handling, Purification, and Storage Equipment

18

Reserved for Future Expansion

44

Pollution and Waste Control Equipment

19

Reserved for Future Expansion

45

Industry-Specific Manufacturing Equipment

20

Reserved for Future Expansion

46

Water and Wastewater Equipment

21

Fire Suppression 47 Reserved for Future Expansion

22

Plumbing

48

Electrical Power Generation

23

Heating, Ventilating, and Air Conditioning (HVAC)

49

Reserved for Future Expansion

24

Reserved for Future Expansion

 

 

25

Integrated Automation

 

 

MasterFormat Section Numbers At A Glance

 

Scope

Levels

MasterFormat

Division

Level 1

11 22 33

Broad Scope

Level 2

11 22 33

Medium Scope

Level 3

11 22 33.44

Narrow Scope (If Needed)

Level 4

11 22 33.44 55

User Defined (If Needed)

Level 5

11 22 33.44 55

 

Illustration Illustration MasterFormat Section Numbers At A Glance

MasterFormat Numbering Rules

The following rules apply to all Section numbers:

MasterFormat Edition

Adherence to the current MasterFormat edition is the core principle for the UFGS Master to reflect industry standards. This ensures that SpecsIntact and the UFGS Master remain aligned with the most up-to-date practices in the construction industry.

MasterFormat 1995 Divisions:

SpecsIntact provides backward compatibility by supporting Jobs or Masters created with the 1995 Edition.

Division

Title

00

Documents

01

General Requirements

02

Site Work

03

Concrete

04

Masonry

05

Metals

06

Wood and Plastics

07

Thermal and Moisture Protection

08

Doors and Windows

09

Finishes

10

Specialties

11

Equipment

12

Furnishings

13

Special Construction

14

Conveying Systems

15

Mechanical

16

Electrical

 

Users are encouraged to visit the SpecsIntact Website's Support & Help Center for access to all of our User Tools, including Web-Based Help (containing Troubleshooting, Frequently Asked Questions (FAQs), Technical Notes, and Known Problems), eLearning Modules (video tutorials), and printable Guides.

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