We recently visited the headquarters of Kansas City local general contractor A.L. Huber. The reason for the visit? To check out all of the new green elements they recently added to their building - a project they've called Renewable Energy Demonstration Initiative. The image above is our favorite detail:
plans....here they are .... weld two rims back to back....cut access hole in side with torch. about high x wide (for a rim ) Weld two 1 x length tubes to bottom rim for air gap and support (place on outer edge of bottom rim ) . You're Done !!!