Separate ratings are mistaken for combined permission

A fictional stage team receives a truss sheet listing a uniformly distributed load rating and a separate center-point rating for specified conditions. The proposed setup combines several loads and uses a different support arrangement. One technician subtracts half of one rating and declares the remaining point-load capacity without an interaction rule. Another divides the complete load equally across four supports despite unequal geometry and an offset center of gravity. No actual lift or occupation under a suspended load is authorized by this exercise. Identify which conclusions exceed the supplied evidence and explain why actual geometry, support conditions, self-weight, dynamic effects and the manufacturer or engineering basis are needed before the installation can be assessed.