Developer Has Purchased Building, Plans To Tear It Down

NEW YORK (CBSNewYork) — A moored balloon will be launched near 61st Street and Broadway on the Upper West Side on Thursday, and may remain in place for the next year, police said.

Neighbors should not be alarmed when they see the tethered balloon, which will be in place to conduct aerial survey data, police said Wednesday.

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A window of allowable operations lasts for a year, police said. During that time, two 12-hour days of surveying will take place during daylight hours.

The altitude of the balloon will not exceed the height of the tallest building in the area, police said.

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The balloon will be white and orange, and will be about the size of an average weather balloon, police said.

The site where the balloon will be launched, at 1865 Broadway, is currently occupied by the American Bible Society Building.

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The Bible Society sold the building this past winter, and developer AvalonBay plans to have the building torn down and replaced with a residential tower with retail on the ground floor, according to published reports.