Csi MasterFormat

Overview

Engineering reference data for Csi MasterFormat in miscellaneous.

Key Formulas

Unit Conversion

$y = x \cdot k$

Multiply by conversion factor.

Linear Interpolation

$y = y_1 + \frac{(x - x_1)(y_2 - y_1)}{x_2 - x_1}$

Estimate between two known points.

Percentage

$p = \frac{\text{part}}{\text{whole}} \times 100\%$

Part as fraction of whole.

Variables

MasterFormat Structure

MasterFormat is organized into two primary groups: Procurement and Contracting Requirements (Division 00) and the Specifications Group. The Specifications Group is further divided into five subgroups.

Subgroups Overview

• General Requirements (Division 01): Administrative and procedural requirements for the project.
• Facility Construction (Divisions 02-14): Covers building components from existing conditions and concrete to equipment and furnishings.
• Facility Services (Divisions 21-28): Encompasses mechanical, electrical, plumbing, and communication systems.
• Site and Infrastructure (Divisions 31-35): Relates to civil work such as earthwork, utilities, and transportation.
• Process Equipment (Divisions 40-48): For industrial and manufacturing plant-specific equipment and processes.

Many divisions (e.g., 15, 16, 20, 24, 29, 30, 36-39, 46-47, 49) are currently reserved for future expansion.

Division 22: Plumbing - Example Breakdown

Division 22 is subdivided into specific sections, each denoted by a 6-digit format (22 XX XX).

References

• Original Source