Using Layers to Organize Your Drawing - AutoCAD 2011 and AutoCAD LT 2011: No Experience Required - page 245

tABLE 6.1 NCS Discipline Designator Codes

Code Discipline

G General

H Hazardous Materials

V Survey/Mapping

B Geotechnical

W Civil Works

C Civil

L Landscape

S Structural

A Architectural

I Interiors

Q Equipment

F Fire Protection

P Plumbing

D Process

M Mechanical

E Electrical

T Telecommunications

R Resource

X Other Disciplines

Z Contractor/Shop Drawings

O Operations