Thread: A questions for any structural engineers
View Single Post
  #1  
Old 11-30-2009, 01:05 PM
sphelps's Avatar
sphelps sphelps is offline
Member
  
Join Date: May 2006
Location: Lyalta, East of Calgary
Posts: 4,777
sphelps is on a distinguished road
Default
Assuming you're talking about two 120 gallon tanks over another tank meaning you'll be running two 8 foot beams over the lower tank to support the two tanks above (1400 lbs each) you'll need 3"x3"x.313 HSS tubing (grade 50W or better).
Reply With Quote