Internal Flat head welded - Multiple nozzles - reinforcements - ASME VIII DIV UG39 - UG39

Good Morning ,

How to model and check for reinforcement of multiple nozzles or openings (pitch of opening provided) on the Welded flat head in Autopipe Vessel?

My vendor has an internal welded flat head with multiple openings ( similar to  UG-39 or UG-34), how to model in Autopipe Vessel

Thanks you very much for your feedback.

Best regards