What does LVLS mean in framing construction notes on a house plan done by a structial engineer.?
Question:3" OC staggered w/ 10d nails. Something about nailing instructions
Answers:
LVLs are Laminated Veneer Lumber. A type of wooden beam that is very strong.
The instructions provided are for nailing two pieces of LVL together to make a single beam. 3" OC means 3" on center, or simply one nail every three inches.
There should be a bit more to the instructions, standard practice is to place one row of nails about 1 1/2" from the top and another about 1 1/2" from the bottom. The staggered part means that the nails in one row should not be directly above or below the nails in the other row. You would start 1 row 1 1/2" from an end and nail every 3", start the other row in 3" and nail every 3". Would look something like this:
-x-----x-----x-----x-----x----...
----x-----x-----x-----x-----x-...
10d is the size of the nail to use. A 10d common nail (or 10 penny nail) is 3" long.
Laminated veneer lumber
http://lpcorp.com/lvl/lvl.aspx...
Laminated veneer lumber: "Widely used for headers and beams, laminated veneer lumber (LVL) eliminates the need for steel beams in residential construction,"
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