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My name is ***** *****. I need to know what size steel

Customer Question
Hello. My name is...

Hello. My name is ***** *****. I need to know what size steel channel, (standard "C" channel, not an "I" beam), to use to span 22 ft. It will be bolted every two ft. to a parallel wood fascia board with a joint in the middle so there is no sideways deflection. There is currently a support post under the middle, (the joint), that I want to eliminate, thus a clear span of 22 ft. The only weight this would be holding is a bedroom floor, and the upper side of a sloped 8ft. wide, 22 ft. long roof.

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Submitted: 2 years ago.Category: Structural Engineering
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2/24/2016
Structural Engineer: StructuralEng, Consultant replied 2 years ago
StructuralEng
StructuralEng, Consultant
Category: Structural Engineering
Satisfied Customers: 7,748
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Customer reply replied 2 years ago
OK now what?
Structural Engineer: StructuralEng, Consultant replied 2 years ago

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

What is the city and state so I can look at snow loading?

Does it also support an attic?

Will it support any ceramic tile?

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Structural Engineer: StructuralEng, Consultant replied 2 years ago

I accepted the offer, but the payment failed. I will try submitting an offer for you

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Customer reply replied 2 years ago
I'll try to answer your questions on here. The floor joists running perpendicular to this beam are 13 ft. long. However, half of the 22 ft. has a load supporting wall offset back 4 ft. and parallel to the new beam. I am located in northeast Ohio but not in the snow belt. No, there will not be any ceramic tile on top of this wall. No, this wall does not support the attic. It's just a bedroom upstairs.
Structural Engineer: StructuralEng, Consultant replied 2 years ago

Thank you. Give me a few minutes to run some numbers.

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Structural Engineer: StructuralEng, Consultant replied 2 years ago

MC12x40 will work for strength and limit deflection to 1/2"

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Customer reply replied 2 years ago
Is that the smallest I can use? Remember, this channel is bolted parallel to a 2" thick wood beam so there is no deflection at all.
Structural Engineer: StructuralEng, Consultant replied 2 years ago

That that is the size to limit deflection to 1/2". The wood will not help carry vertical loading.

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Structural Engineer: StructuralEng, Consultant replied 2 years ago

.

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Structural Engineer: StructuralEng, Consultant replied 2 years ago

Hello. Do you have any other questions for me on this topic? If you could rate my answer, I would appreciate it.

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Structural Engineer: StructuralEng, Consultant replied 2 years ago

.

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