# 50 Divisions > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/50_Divisions > Markdown URL: https://mediated.wiki/source/50_Divisions.md > Source: https://en.wikipedia.org/wiki/50_Divisions > Source revision: 1352402235 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) Information system in building construction Not to be confused with [50th Division](/source/50th_Division_(disambiguation)). **50 Divisions** refers to the 50 divisions of construction information, as defined by the [Construction Specifications Institute](/source/Construction_Specifications_Institute) (CSI)'s [MasterFormat](/source/MasterFormat) beginning in 2004.[1][2][3][4] Before 2004, [MasterFormat](/source/MasterFormat) consisted of [16 Divisions](/source/16_Divisions).[5] MasterFormat has continued to be updated and revised since 2004, with new numbers, titles, and a new division added in 2010 and additional updates completed in 2010, 2011, 2012, 2014, 2016, and 2018.[5] "50 Divisions" is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the United States and Canada.[5] Standardizing the presentation of such information improves communication among all parties.[5] ## Divisions The latest officially released version of MasterFormat is the 2018 Edition, which uses the following Divisions: **PROCUREMENT AND CONTRACTING REQUIREMENTS GROUP**: - Division 00 — Procurement and Contracting Requirements **SPECIFICATIONS GROUP** *General Requirements Subgroup* - Division 01 — General Requirements *Facility Construction Subgroup* - Division 02 — Existing Conditions - Division 03 — [Concrete](/source/Concrete) - Division 04 — [Masonry](/source/Masonry) - Division 05 — [Metals](/source/Metals) - Division 06 — [Wood](/source/Wood), [Plastics](/source/Plastics), and [Composites](/source/Composite_material) - Division 07 — [Thermal](/source/Thermal_insulation) and Moisture Protection - Division 08 — Openings - Division 09 — [Finishes](/source/Finishing%2C_Construction) - Division 10 — Specialties - Division 11 — Equipment - Division 12 — [Furnishings](/source/Interior_design) - Division 13 — Special Construction - Division 14 — Conveying Equipment - Division 15 — Plumbing + HVAC - Division 16 — Electrical + Lighting - Division 17 — RESERVED FOR FUTURE EXPANSION - Division 18 — RESERVED FOR FUTURE EXPANSION - Division 19 — RESERVED FOR FUTURE EXPANSION *Facility Services Subgroup*: - Division 20 — Mechanical Support - Division 21 — [Fire Suppression](/source/Fire_protection) - Division 22 — [Plumbing](/source/Plumbing) - Division 23 — [Heating Ventilating and Air Conditioning](/source/HVAC) - Division 24 — RESERVED FOR FUTURE EXPANSION - Division 25 — [Integrated Automation](/source/Building_automation) - Division 26 — [Electrical](/source/Electrical) - Division 27 — [Communications](/source/Communication) - Division 28 — [Electronic Safety and Security](/source/Security_engineering) - Division 29 — RESERVED FOR FUTURE EXPANSION *Site and Infrastructure Subgroup*: - Division 30 — RESERVED FOR FUTURE EXPANSION - Division 31 — Earthwork - Division 32 — Exterior Improvements - Division 33 — [Utilities](/source/Utilities) - Division 34 — [Transportation](/source/Transportation) - Division 35 — [Waterways](/source/Waterway) and Marine Construction - Division 36 — RESERVED FOR FUTURE EXPANSION - Division 37 — RESERVED FOR FUTURE EXPANSION - Division 38 — RESERVED FOR FUTURE EXPANSION - Division 39 — RESERVED FOR FUTURE EXPANSION *Process Equipment Subgroup*: - Division 40 — Process Interconnections - Division 41 — Material Processing and Handling Equipment - Division 42 — Process Heating, Cooling, and Drying Equipment - Division 43 — Process Gas and Liquid Handling, Purification and Storage Equipment - Division 44 — Pollution Control Equipment - Division 45 — Industry-Specific Manufacturing Equipment - Division 46 — Water and Wastewater Equipment - Division 47 — RESERVED FOR FUTURE EXPANSION - Division 48 — [Electrical Power Generation](/source/Electricity_generation) - Division 49 — RESERVED FOR FUTURE EXPANSION ## References 1. **[^](#cite_ref-mf_1-0)** ["MasterFormat"](https://www.csiresources.org/practice/standards/masterformat). *CSI*. Retrieved 28 May 2017. 1. **[^](#cite_ref-2)** Rodriguez, Juan. ["Organize Project Documents With CSI MasterFormat Titles and Number"](https://www.thebalancesmb.com/how-to-get-organized-using-csi-masterformat-outline-844476). *The Balance Small Business*. Retrieved 2020-02-19. 1. **[^](#cite_ref-3)** ["Standards for specifications: MasterFormat, SectionFormat, PageFormat, and you"](https://www.constructioncanada.net/standards-for-specifications-masterformat-sectionformat-pageformat-and-you/). *Construction Canada*. 2014-11-06. Retrieved 2020-02-19. 1. **[^](#cite_ref-4)** ["New 50-division Masterformat released"](https://www.canadianconsultingengineer.com/engineering/new-50-division-masterformat-released/1000034883/). *[Canadian Consulting Engineer](/source/Canadian_Consulting_Engineer)*. 2004-11-15. Retrieved 2020-02-19. 1. ^ [***a***](#cite_ref-whatnumber_5-0) [***b***](#cite_ref-whatnumber_5-1) [***c***](#cite_ref-whatnumber_5-2) [***d***](#cite_ref-whatnumber_5-3) ["What's My MasterFormat Number?"](https://www.csiresources.org/practice/standards/masterformat/masterformat-number). *CSI*. Retrieved 28 May 2017. - Johnson, Robert W. (2004). *Masterformat 2004 Edition: Master List of Numbers and Titles for the Construction Industry*. Alexandria, Va.: The Construction Specifications Institute. [ISBN](/source/ISBN_(identifier)) [0-9762399-0-6](https://en.wikipedia.org/wiki/Special:BookSources/0-9762399-0-6). --- Adapted from the Wikipedia article [50 Divisions](https://en.wikipedia.org/wiki/50_Divisions) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/50_Divisions?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.