3.4 Process line
Process line specification shall be followed as below:
- Width : 2 – dot size for main process line and 1 – dot size for sub – process line.
- Line style : Solid line
- Crossing line : Where main and other lines cross each, the main process line shall have priority over each other.
In case of the same level, where line crossing, the horizontal line is top priority.
Instrument signal line shall be “white” long dash.
The process line color shall refer to vendor’s recommendation.