MASTERFORMAT system

The Construction Specifications Institute (CSI) developed the MASTERFORMAT system. This system has sixteen divisions (group phases) organized by material type and trade.

MASTERFORMAT Divisions and Phases
Divisions (Group phases)	Phases
01 General Requirements	1100.00 Superintendent 1110.00 Foreman 1120.00 Project Manager
02 Site Work	2200.00 Excav – Site Grading 2210.00 Backfill – Footings 2220.00 Erosion Control
03 Concrete	3100.00 Forms – Footings 3200.00 Rebar – All Types Generic 3310.00 Conc – Slabs On Grade
04 Masonry	4100.00 Mortar – All Types 4200.00 Brick – Face 4400.00 Stone Caps
05 Metals	5100.00 Structural – Framing 5200.00 Structural – Joist K 5300.00 Structural – Decking
06 Wood & Plastic	6100.00 Framing – All Types 6200.00 Millwork – General 6400.00 Cabinet – Base
07 Therm. & Moisture Protect	7100.00 Waterproof – Bituminous 7200.00 Insulation – Batt 7300.00 Shingles – Fiberglas
08 Doors & Windows	8100.00 Doors – Steel with Frames 8200.00 Doors – Wood 8300.00 Doors – Sliding Glass
09 Finishes	9100.00 Lath/Plaster 9200.00 GWB – Exterior Framing 9300.00 Ceramic Tile
10 Specialties	10100.00 Toilet Partition Metal 10200.00 Access & Pedestal Floors 10300.00 Flagpoles
11 Equipment	11100.00 Equip – Vacuum Systems 11200.00 Food Equip – Refrig Boxes 11300.00 Medical Equip – Lab 1
12 Furnishings	12100.00 Drapery Accessories 12200.00 Janitorial Material
13 Special Construction	13100.00 Vaults 13200.00 Pre-Engineered Buildings 13300.00 Energy Monitor/ControlSys
14 Conveying Systems	14100.00 Elevator Automatic Pasngr 14200.00 Escalators 14300.00 Lift – General
15 Mechanical
16 Electrical