By Chris Casteel and Randy EllisStaff writersThe MAPS 4 proposal on the ballot next month includes more than $100 million to update Chesapeake Energy Arena to keep it competitive as an NBA host and concert site, according to those who developed a wish list for the building. Oklahoma City, which owns the building, and the Thunder, the primary tenant, have proposed replacing all the seats, enlarging entrances, adding restaurants at the top and bottom levels, installing a new scoreboard, building necessary storage space and other improvements. The arena, which was funded under the first MAPS question in 1993 and opened in 2002, meets the current NBA specifications and attracts major touring acts and other events.Read more on NewsOK.com