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On the 2nd floor of a 3 storey 3 plex, I want to open up a
On the 2nd floor of a 3 storey 3 plex, I want to open up a loadbearing wall.The opening is 11'4" wide. This load bearing wall is an interior bearing wall, supporting 13' joists on one side, and 16' jo… read more
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walkereng
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I am looking to design a flitch beam. I want to remove a
I want to remove a bearing wall on the first floor of a 2 story single family home. the span will be 21.5 feet … read more
StructuralEng
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I want to remove 2 lally colums in my basement and want to
Hi again, I want to remove 2 lally colums in my basement and want to consider a different option. 26 x 38 2 story colonial in MA. Existing triple 2x12 main beam centered on the foundation. 14' 2x10 fl… read more
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StructuralEng
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I live in MA and designed my colonial house back in 1996. I
Hi, I live in MA and designed my colonial house back in 1996. I want to replace my triple 2x12 main beam in my basement so that I can remove 1 or 2 lally columns. To remove 2 the span would be 23' 6".… read more
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I live in MA and designed my 2 story colonial house back in
Hi, I live in MA and designed my 2 story colonial house back in 1996. I want to remove 2 lally columns in my basement so that I have an open floor plan. To remove the 2 columns the span would become 2… read more
StructuralEng
StructuralEng
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I want to build a second floor above my living room. The
I want to build a second floor above my living room. The living room is 20' x 40'. I must use 9-1/4" floor framing to match my existing floor systems. What girder size and material can I use to suppor… read more
StructuralEng
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I want to remove an original lally column and replace it
I want to remove an original lally column and replace it with a jack column 2.5 ft further over. Beam is a triple 2x10 resting on cement-filled lally colums 5.5 ft apart. The span I want to increase f… read more
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Removing central wall on 1st floor. The floor joists above
Removing central wall on 1st floor. The floor joists above meet above this wall. Need a beam which can replace the wall. Any type of steel, flitch, etc. is acceptable. Would like to know the correct s… read more
StructuralEng
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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We have a 20'X32' wood frame cottage (with crawlspace) that
We have a 20'X32' wood frame cottage (with crawlspace) that was constructed with 2x8 floor joists 16"OC. There is a support beam down the center using 2x10 sistered together. The problem is instead of… read more
StructuralEng
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I had a second floor put on my house 15 years ago. I noticed
I had a second floor put on my house 15 years ago. I noticed signs of stress on the main beam in the basement. It's a built up beam of three 2 x 8s. A structural engineer suggested bolting a 7.25 x 1.… read more
StructuralEng
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I need to size a beam that can span 20 feet. It will be
I need to size a beam that can span 20 feet. It will be carrying the load of a lanai roof.… read more
walkereng
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I am renovating a one hundred year old house. The basic original
I am renovating a one hundred year old house. The basic original structure is in excellent shape. A rear, added on structure, needs some shoring up. I need to install a beam 13' 9 1/2" . This beam wil… read more
StructuralEng
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I want to remove 1 lally column in my basement. Right now I
I want to remove 1 lally column in my basement. Right now I have a main carring beam carrying a load of the 1st and 2nd floor of my 2 story colonial. The total span is 13', with th laly column at 6 1/… read more
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I have a 20 beam, supported in the center by a lally column.
I have a 20' beam, supported in the center by a lally column. Beam is made from three 2X10. There is an heating duct on one side of the beam - no easy access. I would like to add a steel plate to the … read more
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i want to knock out a post on a beam in the basement. the
i want to knock out a post on a beam in the basement. the clear span would be 14'. the existing beam is a 7.25x7.25 wood . this beam now carries 2 stories and a roof. the house is 30' x 32'. floor joi… read more
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StructuralEng
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attic ridge beam23.1 feet long has a load of 1550 lbs per foot.
attic ridge beam23.1 feet long has a load of 1550 lbs per foot. its almost 30 feet in the air, so we have to do in wood or wood and steel if light and assemble-able in the air!… read more
StructuralEng
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I have a beam 15ft long made using three 2x10 x15 nailed
I have a beam 15ft long made using three 2x10 x15' nailed together and supported at each end by a concrete block wall plus a steel post in the middle. I would like to remove the steel post ( in the mi… 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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