In compress, Test weight not specified and classified clearly into Shop hydrotest and Field Hydrotest condition respectively.
For weight break-up tip,
Fireproofing weight for saddle support will be input vertical load and next..? And how does customer know that?
Center of Gravity shall be described and calculated in detail each condition ; empty, operating and erection condition basically. Yeah, it's basic!!!
In some cases,especially fabrication shop, to arrange the support skid, the C of G required.