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I plan to construct an attic loft over a 20 x 23 raised

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ceiling room. Current ceiling has...
I plan to construct an attic loft over a 20 x 23 raised ceiling room. Current ceiling has 9 - 2x10 ceiling joists, spans 20 feet running perpendicular to rafters. Joists are resting on 2x12 beams on both sides with a raised ceiling.1) Would like to know if the existing rafters can support a ~20 X 12 attic bed room + bath over it?
2) Can i extend the 20 feet joists by another 2 feet to gain additional area for the attic room?
Submitted: 5 months ago.Category: Structural Engineering
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Answered in 1 hour by:
11/16/2017
Structural Engineer: StructuralEng, Consultant replied 5 months ago
StructuralEng
StructuralEng, Consultant
Category: Structural Engineering
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Hello
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Structural Engineer: StructuralEng, Consultant replied 5 months ago
Can I get back to you in an hour?
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Customer reply replied 5 months ago
sure. Thx
Customer reply replied 5 months ago
I am in the middle of something. Can we talk in an hour, or later?
Customer reply replied 5 months ago
Hello, Please let me know if you need any additional info. Thanks.
Customer reply replied 5 months ago
Sorry, my 1st question should have been
1) Would like to know if the existing 9 - 2 x 10 joists on 24" centers + another 2 x 10 joist (total 10 joists) support a ~20 X12 attic bed room + bath over it?
Structural Engineer: StructuralEng, Consultant replied 5 months ago
You would support a floor from the rafters? Not the joists?
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Customer reply replied 5 months ago
It was my mistake. I am building the attic walls on existing ceiling joists which will be the floor to my attic. Attic walls will attach to the existing rafters on the top.
Customer reply replied 5 months ago
Hey, Any idea when you can get me some answers? Thanks
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