When two different jobs near each other need special permission, and they could affect each other, who has the final say before either job can start?

The final say before two different jobs near each other, needing special permission and potentially affecting each other, can start rests with the government agency or regulatory body that holds primary permitting authority and jurisdiction over the specific site or the type of activity in question. This entity is the permitting authority, meaning it is legally empowered to grant or deny the necessary permits, licenses, or consents required for the work to proceed....