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I have a 9:12 gable roof, 20 feet wide, carrying up to 50
I have a 9:12 gable roof, 20 feet wide, carrying up to 50 psf snow load. The rafters are 12 feet long, 4x8 rough cut fir. The gable ends have tie beams as the bottom cord, made of 3x12 rough cut fir, … read more
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Yaw, BSc
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What is max load a 30 ft. W8x13 can handle, given its
What is max load a 30 ft. long W8x13 can handle, given its supported at both ends and in the middle? … read more
walkereng
walkereng
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What size W beam is necessary to support a 2200 pound single
What size W beam is necessary to support a 2200 pound single point load over a span of 30 feet? Also, how much vertical deflection would be present at the center of the W Beam? … read more
walkereng
walkereng
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If I used 1” plywood and 1” 1/2 plank on top screwed and
If I used 1” plywood and 1” 1/2 plank wood on top screwed and glued what would be the rolling load say Bobcat or forklift of 175psf barn floor from a previous question?… read more
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walkereng
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Will 2 x12 Doug fir 12' long joists 2' on center carry a
Second Opinion] Will 2 x12 Doug fir 12' long joists 2' on center carry a 115psf floor load?… read more
walkereng
walkereng
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Can I use 4" sq tubing 12' tall to support W12X 30 beams for
Can I use 4" sq tubing 12' tall to support W12X 30 beams for second floor and 12' tall 4"sq tubing to support W10 x 25 beams for third floor barn? So looking at the barn plan 36' width, I want two bea… read more
StructuralEng
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I want to calculate a 2 steel beams for a barn 72'
I want to calculate a 2 steel beams for a barn 72 ' long supporting a 2nd floor with 4 posts spaced 18' apart Hay load is 1.39 tons per lineal foot … read more
walkereng
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Can a 12 x 12 Steel i beam span 30 Ft? I beams, depth 12",
can a 12 x 12 Steel i beam span 30 Ft ? I beams, depth 12", Flange width 12", Web thickness 1/2", Flange thickness 5/8", length 30'. … read more
StructuralEng
StructuralEng
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I need to replace a rafter tie that was removed from the
I need to replace a rafter tie that was removed from the roof joists of an old railroad station when it was converted into apartments in the 1950's. The roof was once covered in clay tiles (1000# ****… read more
StructuralEng
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I need help sizing a large window header asap. Can someone
I need help sizing a large window header asap. Can someone help me this evening? The project is a one story elevated family room addition.… read more
StructuralEng
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I am lengthening a 2 car, conventionally framed (2x4 walls,
I am lengthening a 2 car, conventionally framed (2x4 walls, plywood sheathing, etc.) garage, and would like to avoid having a lolly column supporting the girder down the middle by installing a single … read more
StructuralEng
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I am taking out a wall that supports ceiling joists in a one
I am taking out a wall that supports ceiling joists in a one story rambler. I plan to replace the support provided by the wall with a 25 foot steel beam spanning 25 feet including 4 inches of bean res… read more
StructuralEng
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I am building a 30' x 30' garage and am placing a 30' W12 26
I am building a 30' x 30' garage and am placing a 30' W12 26 beam up under the structural laminated beam and supporting the I beam on the ends. Using a trolley and hoist on the beam, how much weight c… read more
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We are using a S24 X 100 lb. beam supported at each end @
We are using a S24 X 100 lb. beam supported at each end @ 46 ft. center to center on the supports Can this beam support an underslung load 18 inches wide that weighs 10,000 lbs?… read more
walkereng
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Hello - Im the person you helped yesterday with the snow load
Hello - I'm the person you helped yesterday with the snow load and beams for a greenhouse. I'm trying to decide between the W6x25 beams and W4x16 beams before I get everything officially spec'd. I'm t… read more
walkereng
walkereng
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I am designing a garage that is at a diagonal to the side of
I am designing a garage that is at a diagonal to the side of a single famil residence. There is one floor and an attic above the first floor where the garage will be. The driveway is narrow and there … read more
StructuralEng
StructuralEng
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I am spaning a open area of 22.5 ft and would like to lift
I am spaning a open area of 22.5 ft and would like to lift approx 1200 lb on a trolly and move along the beam .The beam will only be supported on each end .Can you tell me what size beam is needed .W8… read more
walkereng
walkereng
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I am adding a porch roof to the rear of my house. I plan to
I am adding a porch roof to the rear of my house. I plan to use a 12:12 pitch roof (2"x8" rafters with 3/4" thick T&G Cedar attached to the bottom) and a single 2”x10” Ridge Bream. The porch/ridge bea… read more
StructuralEng
StructuralEng
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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