Minimum Space Requirements

YYCPIPINGGUY,

I'm not sure if this is exactly what you are looking for ... but it should set you on the right track.

Section - 8A: General Guidelines for Equipment and Piping Location, Spacing, Distances and Clearances

pipingdesigners.com/contents/tips-tools-...ances-and-clearances

Further reading here:

pipingdesigners.com/contents/tips-tools-...s-for-process-plants

YYCPIPINGGUY (and any others),
If you are concerned about the installation of a type of equipment that is not on ether of the two list above please consider the following issues:
(1) Location - Equipment should be adjacent to the related equipment that is upstream or down stream in the system.
(2) Space Requirements include the following:
a - the physical space of the equipment itself (size and shape)
b - The space to remove any component part (example: tube bundles, pistons, etc.)
c - The space for all equipment related piping including Inlet, outlets, vents, drains, and all process , instrument and utility services.
d - The space for related Services such as electrical Power Feed, Lighting, Instrumentation, etc
e - Space for Maintenance personnel, tools and spare parts during normal operation
f - Space and access for mobile equipment required for specific maintenance activities including clear overhead for lifting via crane.
g - Travel space for Operators to and from the equipment for normal operations
h - Clear path to safety in case of emergency

If you have thought about each of these issues and can defend your design then you should be in good shape.