46 C.F.R. § 154.449
Model test
The following analyzed data of a model test of structural elements for independent tank type B must be submitted to the Commandant (CG-ENG) for special approval:
(a) Stress concentration factors.
(b) Fatigue life.
The following analyzed data of a model test of structural elements for independent tank type B must be submitted to the Commandant (CG-ENG) for special approval:
(a) Stress concentration factors.
(b) Fatigue life.