The offset fitting between the panel and the meterpan is permitted to be installed on the side of the enclosures without a meyers hub if the installation is below the electrical connections in the enclosure.
The MBJ (green screw) is listed to be removed if the panel is not service equipment, so are the screws/bonding bar between the two busses. So you would not be required to add additional grounding bars in the enclosures.
Unless the AHJ says so, the entire church is not a place of public assembly, just the areas that can hold 100 or more persons. An example of part of the building that may not be considered a place of public assembly would be the basement, and storage areas.
If local ordinances are more strict, than those would have to be followed.
Pierre
