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StructuralEng
StructuralEng, Consultant
Category: Structural Engineering
Satisfied Customers: 6681
Experience:  Structural Engineer
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I need the load capacity of a mezzanine calculated. The

Customer Question

I need the load capacity of a mezzanine calculated.
The surface is 12' x 8'
3/4" Plywood Decking
2" x 10" Wood Floor Joist - 16" On Center
Fixed stairway to access mezzaine with wood guardrail system in-place.
Enclosed below for a storage area - outer walls are 2" x 4"
Submitted: 7 months ago.
Category: Structural Engineering
Expert:  StructuralEng replied 7 months ago.
Hello
Expert:  StructuralEng replied 7 months ago.
Do you just need the capacity or calculations?
Expert:  StructuralEng replied 7 months ago.
Which directions are the joists spanning?
Customer: replied 7 months ago.
Load rate per sq ft
Customer: replied 7 months ago.
Vertical
Customer: replied 7 months ago.
So what is the answer. I have 2x10 on 16" center with a 3/4" deck glued and screwed down. Indeed the lbs per sq ft
Expert:  StructuralEng replied 7 months ago.
I can provide the number as this question. If you need full calculations, I can provide that as an additional service.
Customer: replied 7 months ago.
Just want the number
Expert:  StructuralEng replied 7 months ago.
Are the joists spanning the 12' or 8' direction?
Customer: replied 7 months ago.
12'
Customer: replied 7 months ago.
?
Expert:  StructuralEng replied 7 months ago.
Thank you. Give me a few minutes to run some numbers.
Expert:  StructuralEng replied 7 months ago.
I am assuming a dead load of 10 psf and Doug-fir no. 2 joists
Customer: replied 7 months ago.
Yes
Expert:  StructuralEng replied 7 months ago.
70 psf is the live load capacity. If this is storage, then the limit is 60 psf

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