The estimates keep the project on the $65.8 million budget voters approved last fall. Upgrades to Rockwell are projected to cost $24.7 million, while Johnson is estimated at $41.1 million. A state grant is covering 45 percent of eligible costs. School administrators will meet with state officials Wednesday for approval of the construction documents. With the state’s approval, the Rizzo Construction Company will seek bids for the project in November.