Ameristar Casinos today unveiled details and renderings for a proposed $910 million gambling resort on 40 acres on the east side of Springfield, joining the competition for casino development rights in Western Massachusetts.

Ameristar plans a 150,000-square-foot gambling floor with 3,300 slot machines, and 110 table games; a 500-room luxury hotel with 50 suites; as well as indoor and outdoor resort swimming pools, a spa, a fitness center, and retail stores.

The company plans to build a conference and entertainment center and a parking garage to hold 4,300 cars, according to Ameristar.

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The project would include upscale restaurants overseen by celebrity chefs Wolfgang Puck and Martin Yan, as well as Jerry Remy’s Sports Bar & Grill and other offerings.

“Ameristar owns all 40 acres, which have been cleared and are immediately ready for construction,” said Gordon Kanofsky, Ameristar CEO, in a statement. “With no displacement of existing residents or businesses, we will have a 12 to 18 month head start on other proposals. We will more quickly begin creating the desperately needed 2,000 union construction jobs, 2,300 permanent jobs, and thousands of additional indirect jobs.”

The Ameristar project will compete with proposals offered in Springfield by MGM Resorts and Penn National Gaming. The owners of the Mohegan Sun casino in Connecticut also plan to compete for development rights in Western Massachusetts, and have proposed a casino in Palmer.