A).Equipment drawing to have max allowable loads
B).Piping to provide configuration/design
C).Stress to ensure (B) acceptable for(A)
If (B) overloads (A) then either change (B)
or have loads approved by vendor.
Do not under any circumstances,increase the nozzle allowables without the vendors approval.
WRC107 is only used as guidline when (A) is not available. (Existing plant)