Roof Deck Structural Review

I need expert advice on how to modify my construction plans to accommodate a future roof deck addition and to remove a pillar in the garage. We already have some structural steel planned but need to know where the architect needs to add more prior to getting final plan approval from the town.

Key Requirements:
- Review current plans for structural integrity
- Suggest necessary modifications to support roof deck and remove pillar

Ideal Skills & Experience:
- Background in structural engineering or architecture
- Experience with residential construction modifications
- Knowledge of local building codes and regulations