I am putting a storage loft in a shop/garage 30 wide by 36 feet long. The loft will be 12 feet by 30 feet across one end of the shop. I want work space under this loft so I am looking for a clear span, wall to wall of 30 feet. This beam will have to support a live load floor above it. Should the...

I have a one story ranch and want to eliminate the columns in a section of my basement. The beam will need to support the 2x8 floor joists which are 12' 6" from column to wall. What size beam will I need?

Thanks for your reply ebaines. The 2" plate is part of a support base for a casing jack which is used to pull pipe out of the ground. The hole is where the pipe comes up through the base.The hydraulic cylinder that is used to pull the pipe is actualy a hollow cylinder that sits over the hole...

The beam is needed in a 30x40 garage. We are using trusses that are speced to clear span 40 feet but want the extra support in the center.

What is the usual span for two 2x8 nailed side by side. Im building a new deck 24' x 24' I don't know if I need this much support (2x8) nailed side by sdie