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Concrete block basement wall below load bearing wall, when
concrete block basement wall below load bearing wall , when central force air heating was installed they knocked out 4 ft. of wall to run ductwork in crawlspace , 3 joists are sagging . What size of a… read more
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I have no idea if this costs anything or not, odes it? I
I have no idea if this costs anything or not, odes it? … read more
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I've built a 10'x20' mezzanine in the backside of the garage
I've built a 10'x20' mezzanine in the backside of the garage I'm building. I wanted to span the 20' without a center support. I used 20' long 6” x1/4” thick structural channel iron with 4”x6” treated … read more
StructuralEng
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Two 20 foot W12x26, cantilevered 15' over water 5 ft OC
Two 20 foot W12x26, cantilevered 15' over water 5 ft OC apart with 2x6 treated planks At the land end 6" bulkhead is supported by an existing 15" depth x 2 foot deep wall which the beams will rest on.… read more
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Two 20 foot W12x26, cantilevered 15' over water 12 feet
Two 20 foot W12x26, cantilevered 15' over water 12 feet apart with 2x6 treated planks At the land end about 6ft from bulkhead and 3'-6" below grade, concrete pad 5'x5'x3' deep supporting uplift forceB… read more
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I'm building a deck on the roof of a shipping container. If
I'm building a deck on the roof of a shipping container. If you aren't familiar with their construction, they are 8'6" wide, and the roof is a corrugated Coreten steel, with 2x2 steel tube framing. Th… read more
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Three-story octagon. 60 feet clear space between opposite
Three-story octagon. 60 feet clear space between opposite parallel outside walls 24 foot opening centered between the second and third floor. No supports except on the outside walls. How do I hold up … read more
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I need to calculate the maximum load I can put on three
I need to calculate the maximum load I can put on three mezzanine floors. They are all existing structures that we use for storage. … read more
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Building a barn with a hay loft for storage above. center
building a barn with a hay loft for storage above. center poured concrete aisle is 8 feet wide by 50ft long. 6x6 posts every 4-6 feet on either side of the aisle. on top of those posts 50' of support … read more
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I want to build a plywood box beam for a 44 ft span. The
I want to build a plywood box beam for a 44 ft span. The beams will be on 12 ft centers so they would support a floor area of 528 square feet. Using a design load of 40 pounds per square foot this is … read more
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I have a pre-existing mezzanine, 10.5' x 30', 2x6's spanning
Good evening! I have a pre-existing mezzanine, 10.5' x 30', 2x6's spanning the 10.5 @ 16" joist separation and supported by eight 6x6 poles with a .25 inch thick plywood floor (why bother, right?). Th… read more
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I am wanting to build an 8x12 shed on a sloping hillside to
I am wanting to build an 8x12 wood shed on a sloping hillside to support 4 cords of wood. That would be approx. 20,000 lbs. That's way beyond the scope of do-it-yourselfer books! So the first question… read more
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walkereng
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I have put up a room in the corner of my detached metal shop
I have put up a room in the corner of my detached metal shop building with concrete floor. What center-to-center spacing would I need for my 2 x 6" joists (on metal hangers) across this 12' by 12' roo… read more
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walkereng
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I need the load capacity of a mezzanine calculated. The
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 … read more
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I am wanting to build a cantalevered walkway that is attached
I am wanting to build a cantalevered walkway that is attached to a existing garage foundation wall that is 18" thick and 37' long. Top of foundation is attached to garage floor concrete slab 4"thick. … read more
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StructuralEng
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I have a small building (250 square foot). It has high ceilings.
I have a small building (250 square foot). It has high ceilings. I want to put a loft over part of it inside. I was thinking that if I thought of it as a 'deck' that happens to be inside, I would put … read more
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walkereng
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I need to span 14 ft from 2 fixed and pinned points. There
I need to span 14 ft from 2 fixed and pinned points. There will be a beam at each end of a rectangle 14'X 18' (252 SqFt.) and 4 beams perpendicular to the 14 ft beams 18' long holding metal decking (1… read more
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Planning to put porcelin tile in a 9 x 12 ft. bathroom that
Planning to put porcelin tile in a 9 x 12 ft. bathroom that in a 1978 home that has 2x5 T&G Planks on 4x6 beams on 48 inch centers. I was going to screw down the T&G boards then add 5/8 Plywood subflo… read more
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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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