How long mail takes is going to depend on many factors along the way. Many factors, indeed, though with regard to how long does priority mail take, the answer is, not long. In fact, the United States Postal Service says your package or envelope will arrive within two days.
Both the 2009 IRC and the DCA6-09 allow #2 southern pine 2x10s to span 13 feet 1 inch at 24 inches on-center at a design load of 50 psf. That means these joists can span the 12-foot depth of the deck, and the beam can be located at the perimeter. Nine joists will be needed for the 16-foot width.
Carports/roof 2x6 span. I have a carport roof that is 17ft wide & 20ft deep with 2x6 on 16inch centers the 2x6 beams are going the length of the 17ft span & the roof only has a 1ft pitch I know this is not enough pitch but it had to be done this way.There is 1/2 ply & then metal roof on that. have a carport roof that is 17ft wide & 20ft deep with 2x6 on 16inch centers the 2x6 beams are going the length of the 17ft span & the roof only has a 1ft pitch I know this is not enough pitch but it had to be done this way.