helix stair

Isaac Kremer/ November 23, 2025/ / 0 comments

An open stair with a circular plan; the outer ends of the treads trace a helix shape; more commonly known as a spiral stair. (Bucher, 1996)

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About Isaac Kremer

Isaac is a nationally acclaimed downtown revitalization leader, speaker, and author. Districts Isaac managed have achieved over $1 billion of investment, more than 1,899 jobs created, and were 2X Great American Main Street Award Semifinalists and a 1X GAMSA winner in 2023. His work has been featured in Newsday, NJBIZ, ROI-NJ, Patch, TapInto, and USA Today. Isaac is a Main Street America Revitalization Professional (MSARP), with additional certifications from the International Economic Development Council, National Park Service, Project for Public Spaces, Grow America (formerly the National Development Council), and the Strategic Doing Institute.

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