We are pleased to introduce Helix, a half-scale non-reinforced precast concrete spiral stair. Helix will be on exhibit at the BSA Space until May 15, 2013. The gallery is open Mondays through Fridays from 10:00AM to 6:00PM and until 5:00PM on weekends and holidays. The Gallery is located at 290 Congress Street, Suite 200, Boston, MA 02210.

A special thanks to Matthew Johnson and Simpson Gumpertz & Heger for their facilities, support, and expertise. Another special thanks to Boston Sand & Gravel, Lehigh Northeast Cement Company, and Headwaters Resources, Inc. for their material donations that made this project possible.