Regarding the depth of the recommended layout plan for the process package phase

You can take a look at HG20519

Reference can be made to SHSG-052 \"Specifications for the Content of Process Design Packages for Petrochemical Plants\" and SH3011 \"General Principles for the Layout Design of Petrochemical Process Plants\".

Thank you for your reply. I am currently following the provisions of SHSG-052; it is only this section, 2.9, that requires a layout diagram and instructions for the equipment, indicating the relative positions of the main equipment as well as the recommended relative dimensions, along with details on any special requirements and regulations that must be complied with. I think this sentence is quite abstract and doesn’t provide clear explanations. I am very familiar with SH3011, but it deals with the specifications for equipment layout, not the requirements regarding depth. I would like to ask those who have worked on the layout of process packages about the relative positions of the main equipment. Do these main devices need to be drawn at actual scale? Just a simple illustration? If it’s only the main equipment, is it necessary to list each small pump, air cooler, etc. separately? Previously, I was involved in detailed design or preliminary design, and the standards I referred to were HG/T20546; however, there were no specific guidelines regarding the layout of equipment in the process package. I hope fellow travelers with similar experience can provide supportive replies.

The main equipment is drawn in actual scale, while secondary equipment or those with less certainty (such as pumps, air coolers, etc.) can be shown in schematic form, with appropriate space and location left available.

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