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I don’t have a structural eng. in my immediate area. I am…

Customer Question
I don’t have a structural...
I don’t have a structural eng. in my immediate area. I am wanting to replace a 14 foot section of wall with a beam. The wall is center wall of first floor and sits squarely above the center girder of the foundation. The space above is bedroom on one side and hallway/ bathroom on other side. There is a second floor center wall, but I have determined this to be non loadbearing and that the room trusses are spanning, as my bedroom runs 16 of the 22feet with no center wall and is 12 foot wide. Illinois is where it is located so, moderate snow is a factor.
I want to use LVL beams. I need to know how many ply (boards) and how wide (inches) must my beam be.
Thanks
Submitted: 8 months ago.Category: Structural Engineering
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Customer reply replied 8 months ago
Roof trusses, not room trusses. Sorry.
Answered in 5 hours by:
11/19/2017
Structural Engineer: StructuralEng, Consultant replied 8 months ago
StructuralEng
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Customer reply replied 8 months ago
Do you need additional details?
Customer reply replied 8 months ago
I apologized but my span is actually just over 12 foot, planning on buying 14 foot boards... that was an error on my part. My calculations suggest that 4 18” 1 3/4 LVL should be sufficient. Would you agree?
Structural Engineer: StructuralEng, Consultant replied 8 months ago

So this will support the second floor only?

What is the joist length on each side of the beam?

Will it support any ceramic tile?

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Customer reply replied 8 months ago
Yeah, second floor directly above. Obviously roof above that, but again I believe that to be full spanning truss. No ceramic tile, bamboo hardwood above.
Customer reply replied 8 months ago
11 foot joist length on each side, House 22 foot total
Structural Engineer: StructuralEng, Consultant replied 8 months ago

You can use a much smaller beam than that.

You can plan for three 1.75" x 11.25" 2.0E LVL

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Customer reply replied 8 months ago
What would constitute sufficient posts? (Size and material) and I assume I can connect them directly to the girder and bolt them to the rest of the wall structure?
Structural Engineer: StructuralEng, Consultant replied 8 months ago

4x4 doug-fir no. 2.

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Customer reply replied 8 months ago
Wow, that’s it? Thanks!
Structural Engineer: StructuralEng, Consultant replied 8 months ago

No problem. I'm happy to help. Good luck with your project.

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Customer reply replied 7 months ago
Follow up...Update: Working with my wife last night to put final point to the project and span expanded to 13’2”.Is there any issue if I decide to side load the LVL instead of top load it? And if not, is there a specific type of joist hanger I need to carry the floor weight?
Structural Engineer: StructuralEng, Consultant replied 7 months ago
I would add a fourth LVL for the increased span. And a 4x6 post.
No issue with joist hangers into the side. Use a Simpson LUShanger to match the joist depth.
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