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I'm in the process of building a 4'x6' generator house. It
I'm in the process of building a 4'x6' generator house. It will have a four-foot block wall with a four-foot wood structure on top of that. Not a tremendous amount of weight.I messed up when I poured … read more
William Purpura
William Purpura
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MBA & MSME
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Help with small concrete slab....I do not know if I picked
Help with small concrete slab....I do not know if I picked the right category for my questions about pouring a small concrete slab, but engineers was the closest category that I spotted. If I'm in the… read more
walkereng
walkereng
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My home design plans call for a 12x30x30 post footing near
My home design plans call for a 12x30x30 post footing near the middle of my basement slab, along with two trenches with rebar.Are these to be built on top of the 6 mil vapor barrier and stone base for… read more
walkereng
walkereng
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We are building a home in Southern California that will have
Hello. We are building a home in Southern California that will have a 4” concrete slab, just a small apartment in the backyard. I have dug a trench along the border 1' wide and 2' deep. I have 4” of 3… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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After laying down the polyethylene vapor barrier over the
After laying down the polyethylene vapor barrier over the entire surface area of the soil that will be underneath the slab (including footers) what do I do about collection of rainwater? Do I poke hol… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I'm about to form up the foundation for my slab. I want my
Hey Patrick,I'm about to form up the foundation for my slab. I want my footers to be 1.5 feet deep. Right now I'm planning on dumping 5 inches of top soil inside my forms, compacting it, and then digg… read more
StructuralEng
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I am new here. Is there a charge for you service? I have a
I have a new home constructed over a crawl space. Poured concrete perimeter footing and poured concrete slabs for steel support posts to sit on. A french drain system is also installed. … read more
StructuralEng
StructuralEng
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Still working on my garage. This question is about radiant
Still working on my garage. This question is about radiant heat in the floor: I have an existing 6” slab on grade and I want to add insulation, radiant PEX tubing, and another layer of concrete. If I … read more
walkereng
walkereng
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Bachelor's Degree
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I need to speak to a structural engineer, Addition on back
Need details on joining new concrete slab to existing building, located in Upstate NY (frost purposes)… read more
walkereng
walkereng
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My contractor just installed a concrete slab foundation for
Second opinion] My contractor just installed a concrete slab foundation for a new 14x18 sunroom on the back of my house. My wife sent me a picture while they were almost halfway done and it's clear th… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I have an existing basement slab-on-grade, approx. 2-years
I have an existing basement slab-on-grade, approx. 2-years old. There are portions of slab that have settled, cracked and require replacement. The original building is going to remove these sections and re-pour. The correct method is in question. Slab is approx. 3.5" thick, non-reinforced, 6-mil vapor barrier. I would assume the builder will saw-cut small portions to be removed. Diamond Dowel and epoxy. I am considering an independent testing agency to determine the existing compaction rate as a "Baseline". Ultimately the builder and Eng or record shall determine the corrective action, I will be observing, and want to make sure work is proper. I looked throught IRC and ACI, and was not able to find specific means & methods. … read more
walkereng
walkereng
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Bachelor's Degree
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I am building a 20 x 20 deck on top of a workshop. The 20 x
I am building a 20 x 20 deck on top of a workshop. The 20 x 20 slab has been installed. there will be on interior wall at 4' spanning the length of the building. Should I use 20' TJI joists or 16' TJI… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I have a house that is built into a. The kitchen is
I have a house that is built into a hill. The kitchen is underground with a cement slab on top. We do know that there is thick rebar in the concrete. It is covered with dirt up to the level of a slidi… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I had a 4 inch concrete slab poured to put a 20x 18 foot
I had a 4 inch concrete slab poured to put a 20x 18 foot steel carport garage on it now the building inspector says he wants a footer how to do now that concrete is set or why? building can't wegh mor… read more
StructuralEng
StructuralEng
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I have a garage that is 24 x 36 and I need to suspend
I have a garage that is 24 x 36 and I need to suspend thefloor over a basement what size I beams would you recommend and how far apart I was Thinking 3 - 32 footers 8x12 x3/8 and 1-24 footer in the mi… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I'm building a basketball court that is sunken into the
Hi, I'm building a basketball court that is sunken into the ground due to a sloping back yard. On 2 sides of the court slab the dirt is 3ft high and the contractor built forms on 1 side and the other … read more
StructuralEng
StructuralEng
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Bachelor's Degree
9,772 satisfied customers
My cottage which is located only 30 feet from the lake has
My cottage which is located only 30 feet from the lake has a 6 foot crawl space (cement blocks) with a dirt floor. The moisture has started to rot the beams and mould has developed and the floor has s… read more
walkereng
walkereng
Consultant
Bachelor's Degree
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Hello, please what can I do to safely insulate below a concrete
Hello, please what can I do to safely insulate below a concrete slab that will be poured on grade? I have removed a slab from an atrium that was inside the perimeter of the existing foundation, and op… read more
StructuralEng
StructuralEng
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9,772 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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