An engineer at my company learned to use AutoTurn at a previous place, for designing and determining turning radii for vehicles (fire trucks, 18-wheelers, etc.) to access any given project site. We inquired as to the price of the AutoTurn program, and for the frequency with which we would use...
Some years ago, I acquired a metal engineers scale at a second-hand shop for about $10(US) which is stamped with a patent date of 1879. It has 10, 20, 30, 40, 50, and 60 scales on it. A bit worn, mostly to the outer finish. It looks like it is probably brass with a brittanic silver (I think...
We are designing a driveway under which we need to put a 12" dia. PVC culvert. Can anyone suggest a website where we can find a table that shows minimum cover for H-10 or H-20 loading, for Sch. 40 PVC or Sch. 80 PVC, etc.?