ISO 4067-6:1985

Technical drawings — Installations — Part 6: Graphical symbols for supply water and drainage systems in the ground

Establishes basic symbols for conduits, pipes and ditches including fabricated parts and equipment. Symbols are shown and used primaily in plans, but they can in applicable cases also be used in sections, cuts and elevations. This part of ISO 4067 will be modified as soon as results are available from the work concerning the coordination of symbols for use in drawings in all technical areas.