I need help. I can't find a table that shows the pipe wall thicknesses for different classes of pipe. In addition, I can't find the difference in pipe weight by class. Anyone out there have this information or know where I can get it?
Thanks in advance!
Does anyone know where I can find informatoin regarding the AASHTO M43 Designation online?
In addition I'm trying to understand what the designation is in reference to. Any help would be appriciated.
Thanks,
Dave
I'm trying to design a new stairway to an existing underground pressure reducing vault. I was wondering if any of you all know of any pre-cast type of stairways similar to a cellar entry such as this that could be used in a H-20 area:
http://www.sheaconcrete.com/bulk_stairs.aspx
The main...