Piping systems basic design:

System diagrams

Dimensioning of technological plants

Machinery and pipe fitting list

All other basic documents

Piping systems workshop drawings:

Development of piping & fitting layout drawings

Workshop assembly piping drawings 

Pipe isometric workshop sketches 

Preliminary and final bill of material (pipes & fittings) 

Workshop drawings of machinery foundations 

Pipe support drawings 

HVAC layout and workshop drawings 

Cable tray layout drawings