With the city's finances tight, the ambitious project has come under scrutiny, leaving city officials to defend its cost and timing.
"Having private-sector companies doing the work, at a time when labor and material costs are low, is working well," Mayor Keith Curry said in a written statement.
An April 2010 estimate for the parking structure was $2 million more than the amount for the ultimate winning bid.
"That's a good sign," said Steve Badum, the public works director."It's all pointing in the right direction."
In the first phase of the project, which is already underway, crews have been excavating and grading massive amounts of dirt from the sloping site. The City Council has agreed to pay $8.1 million for that work. Combined with this second parking structure phase, the project will have cost $23.1 million to date, including contingencies and fees.
A portion of the parking structure will be below ground in order to protect the views from MacArthur Boulevard and neighboring homes. The garage will stretch along MacArthur, on the complex's east side.
Bomel Construction Company, an Anaheim Hills-based company, bid about $350,000 less than the next company, McCarthy Building Companies, for the parking work. Its total bid was $6.4 million. With other expenses, construction management fees and cost contingencies, this portion comes out to $7.8 million.
Other plans for the civic center include a 99,800-square-foot city hall building, a 14.3-acre park and a 17,000-square-foot addition to the central library.
The city anticipates having its building plans complete and permits pulled by the end of October, Badum said.
At that point, it will solicit the project's remaining bids.
In other council matters: