Work on the Greenhouse Begins January 4, 2011June 23, 2017 / The Radix Ecological Sustainability Center The piers for the greenhouse are in! Here are some pictures of the excavation: Piers along northern side The precast concrete piers Done! Blue board foam insulation 2 feet deep around the perimeter Unearthed urbanite from a 400 year old city Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Twitter (Opens in new window)Like this:Like Loading... Related