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I want to explore rigging an Aerial Silk for my daughter for
I want to explore rigging an Aerial Silk for my daughter for her birthday. I have a shop that is 30' x 50' with no vertical beams and a 16' high ceiling. My idea is to get a steel angle iron piece 2" … read more
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What options are there to carry a double sliding track for
Hi - what options are there to carry a double sliding track for four 10 foot wide 12 foot tall 200 pound barn doors on an open span pole barn with 8x8 posts and angle iron steel web trusses? multiple … read more
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Opening up center wall in a top floor of level with truss
opening up center wall in a top floor of bi level with truss system. … read more
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What glulam size beam to required to span a 14' opening to
what glulam size beam to required to span a 14' opening to support trusses with a 3:12 pitch that are spanning 31'? glulam will also support angle iron to serve as a brick ledge for 6 courses of brick… read more
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I want to build a welded steel Pratt truss for a 40ft clear
I want to build a welded steel Pratt truss for a 40ft clear span that will support half of a roof that is built with 2x8 lumber on 16" centers with a 7/16" osb roof sheathing and asphalt shingles. Wha… read more
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I have a framed garage roof. The truss' top chord is made of
I have a framed garage roof. The truss' top chord is made of 2x6. The bottom chord is made of 2x4. The vertical braces are 2x4. I need to notch the bottom chord (4-inch wide by 2 inch deep) to pass an… read more
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What size I beam is needed to span 40 and be able to handle
what size I beam is needed to span 40 and be able to handle a load of 2000# ? To be used as a mono rail ... Ray … read more
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I am looking to build my own angle iron trusses enclosed
Hi, I am looking to build my own angle iron trusses for an enclosed barn (40' wide by 60' or 64' long X 14' tall) and was just trying to find some information about what the angle iron size and thickn… read more
StructuralEng
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I need to create a rafter to span under a fifteen degree
I need to create a rafter to span under a fifteen degree pitched roof of a shed, that is 10.5 metres wide (total span), so that I can hang a sliding door (on rollers). The shed frame is to be construc… read more
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I'm using ISBU shipping containers to create a home and I have
I'm using ISBU shipping containers to create a home and I have questions regarding the top-side rails and how to support a span of 40": what is the minimum size I-beam I can use to BOTH support the to… read more
StructuralEng
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Hi - I have ladder access to an attic room that goes between
Hi - I have ladder access to an attic room that goes between my pre-manufactured trusses. I want to widen and put stairs in, which will require cuttiing into one of the trusses. So I need to know how … read more
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I am installing solar panels on a tilled roof. House 8 years
I am installing solar panels on a tiled roof. System is 5 kw split between north and west sides. House is 8 years old. I am concerned about structual integrity. Can roof support extra weight?… read more
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I need to mount a large TV monitor from the ceiling. Its
I need to mount a large TV monitor from the ceiling. It's a drop ceiling, but above it are metal trusses on about 6 ft spacing. Unfortunately, there is no truss where the TV needs to be mounted. So I … read more
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What vertical support spacing should I use for a 2 ft. wide
What vertical support spacing should I use for a 2 ft. wide steel catwalk constructed from 2x2x1/4 steel angle with 2x2x1/4 cross braces every 5 ft. and decked with 1-1/4x3/16 bar grating (9.1#/SF). C… read more
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1 1/2 x 1 1/2 x 3/16 angle iron back to back by 16 in deep
1 1/2 x 1 1/2 x 3/16 angle iron back to back by 16 in deep built like a truss for 36 ft opening for aircraft hanger door opening. Would this be strong enough?… read more
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I am building a bridge with a 60 span. The stringers will
I am building a bridge with a 60' span. The stringers will be spaced 7' apart o.c. I am using 2 W21X50 wide flange beams for stringers. I am going to put 3"x3"x3/8" cross bracing every 15'. Do I need … read more
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I need to cut second truss to install a longer attic ladder.
I need to cut second truss to install a longer attic ladder. The opening is at a right angle to the rafters. How do I add support to the tursses that have been cut to prevent roof damage. The opening … read more
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What on-center spacing intervals shall I use for steel space-frame
What on-center spacing intervals shall I use for steel space-frame joists? These are for a residential second story floor. These are commonly used for flat-roof commercial construction. Span between c… 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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