What do ZTM and ZC mean in architectural drawing?

ZC in architectural drawings means vertical support. Z in architectural drawings generally stands for columns, and T stands for stairs, caps, etc. M stands for door. There is no such thing as ZTM.

Other symbols in architectural drawings:

1, plate

B

2. Roof panel

the World Bank

3. Hollow slab

kilobyte

4. Trough plate

Civil band

5. Folding board

ZB

6. Rib plate

Bachelor of medicine

7. Stair board

Tuberculosis (tuberculosis)

8. Cover plate or ditch cover plate

gbyte

9, flashing or cornice board

ytterbium (Yb)

Extended data:

Drawing classification of building construction drawings:

1. Building construction: mainly refers to the general plan, elevation and section of the building.

2. Structural structure: mainly refers to the layout, component type, quantity, size and practice of the load-bearing structure of the house. It includes structural layout and component details.

3. Equipment construction: mainly refers to the layout, direction and installation requirements of various equipment, pipelines and lines. Equipment construction drawings are divided into water supply and drainage construction drawings (water application), heating construction drawings (warm application), ventilation and air conditioning construction drawings (general application), electrical construction drawings (electric application) and so on. Equipment construction drawings generally include layout drawings, system drawings and detailed drawings.

The drawing of construction drawing is a comprehensive application of projection theory, graphic method and related professional knowledge. Therefore, in order to understand the contents of the construction drawings, the following preparations must be made:

1. To master the principle of projection drawing and various representations of shapes.

2. Be familiar with the meanings of legends, symbols, linetypes, sizes and proportions commonly used in construction drawings.