Some drawings or drawing source material may be available at different contractors. It gives a handy overview of function, regulation and control. All equipment, including manually operated valves, has a tag reference giving the equipment an address. The address may be connected to information in equipment databases. ISO drawings gives a practical geographic overview of the entire system.
Equipment is correct positioned in relation to each other and the surroundings.
This is essential documentation for operating and maintaining a facility safe and efficient. Brun-Henriksen for more information or any questions.