Standards/guidelines for piping layout design to separate fluid types by hazard 1

[matt1979]

Hi everyone,

Currently looking at 3 process pipelines (sulphuric acid, ammonia and high pressure steam) being run beside each other. Is there any international piping/layout standards that recommends separation of dissimilar fluids in pipe racks to mitigate potential hazards in the event of a pipe-break?

Thanks in advance,

M

 

[Dhurjati Sen]

Dear matt1979,

The services you have mentioned are pretty common in oil and gas plants and these piping have existed beside each other for more than half a century without any conflict.

Regards.

DHURJATI SEN

 

[mk3223]

Yes, three process lines as stated can be placed together in the same level of pipe rack if the space is available. Typically, the process lines are grouped in the lower level(s) of pipe rack to keep the routing short and neat. The utility lines, on the other hand, are routed later and using the upper levels. And, keep the larger bore pipes closer to the pipe rack columns, and small lines can be located in the middle section.

 

[MJCronin]

No such international overall pipe system routing guide exists.

I agree with the responses above ....

You have to understand how difficult it would be to develop such a guideline for the thousands of combinations of chemical processing systems.

Process Safety of hazardous piping systems is developed by:

1) Ensuring that the most up-to-date engineering design installation, and testing guidelines FOR THE PARTICULAR SYSTEM is being followed (e.g. no threaded joints in oxygen or ammonia piping)

2) Ensuring that a comprehensive fire hazard review FOR THE PARTICULAR PLANT SITE has been performed

3) Ensure that a comprehensive HAZOP evaluation has been performed for the entire plant

4) Ensure that plant REPAIR AND MAINTENANCE PRACTICES have been reviewed for safety.

My opinion only ....

MJCronin
Sr. Process Engineer