MIAMI (CBSMIami.com) –  A $275 million plan to build a replacement for the Miami Museum of Science got a big boost Saturday night, when a $35 million private donation was announced at the Museum’s annual Galaxy Gala.

That donation, from philanthropists Patricia and Phillip Frost, provides the museum project with the remaining private funding needed so construction of the new facility can begin at Miami’s Museum park.

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The donation is the largest single contribution made to the fundraising effort.

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Groundbreaking for the new facility, which will eventually replace the current facility near Viscaya in Miami, is expected to begin in the fall.

Museum officials say the five-story, 250,000-square-foot museum will incorporate advanced communications and energy-conservation technology, as well as the latest of digital technology, a state-of-the-art digital dome, aquarium components, and more.

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The new museum will be named for Phillip and Patricia Frost. The couple was also a major contributor to the art museum at Florida International University, which also bears their name.