The Construction Specifications Institute MasterFormat is an industry standard for organizing specifications and other written information for commercial and institutional buildings. The purpose of this format is to help the user locate specific types of information.

MasterFormat is a standardized list of numbers and titles for organizing construction documents, including cost estimates, by work results. A list of the 50 divisions is on the following slide.

MasterFormat provides a master list of divisions and section numbers and titles within each division to follow when organizing information about a facility's construction requirements and associated activities.

The Cost Estimating Format is designed to use the Construction Specifications Institute MasterFormat and to facilitate preparation of estimates using the Construction Specifications Institute (CSI) numbering system.