AFTERDRAFT

MasterFormat vs UniFormat

MasterFormat organizes work by construction results and specification divisions; UniFormat organizes information by building systems and assemblies.

MasterFormat

  • Specifications
  • Trade scopes
  • Detailed estimating and procurement
Read the MasterFormat definition

UniFormat

  • Early design estimates
  • Systems-level decisions
  • Conceptual cost planning
Read the UniFormat definition

Key differences

PointMasterFormatUniFormat
OrganizationWork results and divisions.Systems and assemblies.
Project phaseStrong in construction documents and bidding.Strong in early planning and design.
Example useDivision 26 Electrical.Electrical systems as a building assembly.

Example in context

A cost plan may start in UniFormat during schematic design and move toward MasterFormat as specifications and trade packages develop.

Related terms