50 Divisions


50 Divisions refers to the 50 divisions of construction information, as defined by the Construction Specifications Institute 's MasterFormat beginning in 2004. Before 2004, MasterFormat consisted of 16 Divisions. 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.
"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. Standardizing the presentation of such information improves communication among all parties.

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
  • Division 04 — Masonry
  • Division 05 — Metals
  • Division 06 — Wood, Plastics, and Composites
  • Division 07 — Thermal and Moisture Protection
  • Division 08 — Openings
  • Division 09Finishes
  • Division 10 — Specialties
  • Division 11 — Equipment
  • Division 12 — Furnishings
  • 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:
Site and Infrastructure Subgroup:
  • Division 30 — RESERVED FOR FUTURE EXPANSION
  • Division 31 — Earthwork
  • Division 32 — Exterior Improvements
  • Division 33 — Utilities
  • Division 34 — Transportation
  • Division 35 — Waterways 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: