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Developers are reviving a long-dormant plan to build on the site of a submerged pier next to Blue Hills Bank Pavilion in the Seaport.

Danvers-based Kavanaugh Advisory Group filed preliminary plans with the city Wednesday to put a two-story, 122,000-square-foot building on the remnants of a former Navy pier along Northern Avenue. The city-owned site, known as Wharf 8/Pier 7, was awarded by then-Mayor Thomas M. Menino in 2013 to a group then led by Washington, D.C.-based development firm Madison Marquette — over several big-name local bidders — but there has been little progress since.

Now, with the state nearing approval of a new master plan for the Raymond L. Flynn Marine Industrial Park — where the pier sits — Kavanaugh said it plans to move forward with a project there. A brief letter to the Boston Planning & Development Agency outlines a two-story building that could house “maritime research and development tenants,” as well as maritime industrial tenants such as the Boston Harbor Pilots.

“Every effort will be made to accommodate them,” Kavanaugh wrote.


Earlier BPDA documents also envisioned retail and restaurants, along with ferries and water taxis, for the site, which sits between Liberty Wharf and Blue Hills Bank Pavilion. It wasn’t immediately clear whether those are still in Kavanaugh’s plans. No one at the development firm was available to comment Wednesday. More detailed plans are expected to be filed later this year.

The project sits in a key spot for development of the outer Seaport, at the entrance to the Marine Industrial Park, and close to a decommissioned dry dock that is being considered for a major new park. Any project there would need approval from the BPDA and state environmental officials who review development along the waterfront.

Tim Logan can be reached at tim.logan@globe.com. Follow him on Twitter at @bytimlogan.