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I am planning a deck project with the goal of handling an
I am planning a deck project with the goal of handling an estimated gross weight of 5,000 lbs. The deck area is 25ft by 12ft. I am planning on building the supporting structure out of aluminum. I have… read more
StructuralEng
StructuralEng
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Can g.fir 4x6" beam support a 1000 lb motor with a span of
Can g.fir 4x6" beam support a 1000 lb motor with a span of 3' … read more
StructuralEng
StructuralEng
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I am trying to figure out if my 6x12 beam can support about
I am trying to figure out if my 6x12 beam can support about 4000 to 5000 lbs over a 10 foot span. It is a doug fir laminated beam. … read more
StructuralEng
StructuralEng
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20 foot span 2000 lb center point load want to use alum.
20 foot span 2000 lb center point load want to use alum. beam as it is in a marine environment … read more
StructuralEng
StructuralEng
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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
walkereng
walkereng
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I want to replace the subfloor beams in a new log home
I want to replace the wood subfloor beams in a new log home project with steel Ibeam. What size Ibeam will I need to replace the wood beams that are made up of (3) 2 x 10s. The beams will sit on 30 in… read more
walkereng
walkereng
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We are building a deck on a house and using manufactured aluminum
We are building a deck on a house and using manufactured aluminum decking with 2x12 joist on 24" center which spans 20ft from the house. The front or outside horizonal span is 32' across the front of … read more
StructuralEng
StructuralEng
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, I am working on adjusting a boat lift to cradle a sailboat
Hi, I am working on adjusting a boat lift to cradle a sailboat on top of it. The lift is rated for 24000 lbs and the boat is only 6000 lbs, so the existing structure is fine. The lift has two large be… read more
StructuralEng
StructuralEng
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I want to install a boat lift system. The vessel is 29 in
I want to install a boat lift system. The vessel is 29' in length, the aft 1/3 weighs ~8000 lbs with all fuel, water, and appurtenances aboard, and the forward 2/3 weighs ~4000 lbs. The four pilings (… read more
walkereng
walkereng
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Bachelor's Degree
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I want to support a 3000 lbs. load at the center of a 12 ft.
I want to support a 3000 lbs. load at the center of a 12 ft. span. The ends will be supported solidly to the ground. what size I beam, H beam, or rectangular steel tubing would I need to support this … read more
walkereng
walkereng
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Bachelor's Degree
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We need to know lifting capacity of a 12 ft. long W8 x 40#
We need to know lifting capacity of a 12 ft. long W8 x 40# XXXXX beam. top lifting lugs are 3/4 inch and are spaced 4ft. 1/2 in each way from center. BotXXXXX XXXXXfting lugs are same and spaced 5ft. … read more
walkereng
walkereng
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Bachelor's Degree
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I am installing a boat lift in my boat house. I will have
I am installing a boat lift in my boat house. I will have to fabricate my overhead beams (two beams to support the weight) using pressure treated lumber (Lowes). These beams will run perpendicular acr… read more
StructuralEng
StructuralEng
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what size beam do i need to carry a 414..72 psf in a 10x10
what size beam do i need to carry a 414..72 psf in a 10'x10' area with a 10'spand between 10" concrete colums… read more
walkereng
walkereng
Consultant
Bachelor's Degree
2,894 satisfied customers
I have a pole barn with 6"x6" pressure treated columns framing
I have a pole barn with 6"x6" pressure treated columns framing the door openings. The door opening is 18' wide. I wanted to double the columns with the same 6"x6" pressure treated and mount an i beam … read more
walkereng
walkereng
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Bachelor's Degree
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What size beam will i need to span 13 that will carry a 2x6
What size beam will i need to span 13' that will carry a 2x6 floor on 16" centers on a deck.… read more
walkereng
walkereng
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Bachelor's Degree
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I want to support a 10,000 pound boat on a lift. How many 2x8
I want to support a 10,000 pound boat on a lift. How many 2x8 PT pine beams will be necessary? The 2x8s will be nine feet long, and placed on edge. They will be supported at each end by 5x8 aluminum I… read more
StructuralEng
StructuralEng
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8,001 satisfied customers
sorry I missed the expert can he be on line again? the questn
sorry I missed the expert can he be on line again? the questn was about a 00lb chandelier and a 3.5 x 9 woode beam to hold it… read more
walkereng
walkereng
Consultant
Bachelor's Degree
2,894 satisfied customers
I would like to replace a structural post in the middle of
I would like to replace a structural post in the middle of a wall. The structural post I'm replacing is now 4 vertical - 2x6's holding up the roof trusses for this 11 foot span. I would like to place … read more
walkereng
walkereng
Consultant
Bachelor's Degree
2,894 satisfied customers
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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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