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0
votes
1answer
17 views

Weight distribution on library ladder?

I have a very tall galkey kitchen, with cabinets run to the ceiling. A library ladder would be an ideal way to utilize this space. I have the skills necessary to fabrcate what I need, but I don't know ...
2
votes
1answer
75 views

How would I replace 4 posts and beam holding my covered patio with 2 posts?

I have a covered patio that extends 10' from the house towards the yard/pool and has a width of 30-33'. The covered patio seems to be part of the roof, I even have access from the attic as we ran some ...
11
votes
2answers
1k views

What is the optimal configuration of a cross brace on a wooden gate?

I'm building a wooden gate for my deck, and I want to put in a cross brace to reduce sagging. I want to install the brace so that it transfers the load from the top unhinged corner, to the bottom ...
1
vote
2answers
200 views

Unsure about my structural engineer, can you check his drawing?

I recently asked my structural engineer to provide some calculations and drawings to remove the arch and further open up the opening between the double fronted sitting room of my 2.5 storey (2 at the ...
0
votes
2answers
178 views

Replacing a spanned “beam” with a cantilevered beam

I have a support post in my attic that is holding up one side of a minor ridge beam. The post is sitting on two 2x6s on their backs, and which span 20 inches. Yes, these 2x6s are not on edge -- they ...
1
vote
2answers
128 views

Attic was built to be living space in 1945, but are the trusses strong enough to keep doing so?

I have a Cape Cod style house that was built in 1945 with an attic as a living space. The trusses are 2x6, 16" apart, and don't span more than 15' across. Do I need to reinforce these trusses or ...
1
vote
0answers
164 views

How do I hang a 500lb bed swing?

Could someone please tell me what kind of support is needed to hang a 500 pound porch bed swing? The 500 pounds also includes the weight of people on the swing.
0
votes
5answers
761 views

What is the cheapest way to stiffen a tube/pipe?

I have some steel tubes (18 mm OD) which I wish to use as horizontal members in a storage rack (a bit like shelves). However, the tube flex and bend quite a bit when I put heavier boxes on them. The ...
0
votes
3answers
6k views

My 5th (top) floor apartment is shaking; what might cause this?

I live in a developing country (so don't have much faith in building codes), and have been experiencing increasingly noticeable and frequent "shaking" in my top fifth floor apartment. I'm seriously ...
4
votes
3answers
2k views

How can I support a large aquarium built into a wall?

I have a wall that goes 3/4th of the way to the ceiling between my living room and dining room. I would like to put a fish tank in it, spanning the length of the wall. I have the engineering skills ...
3
votes
1answer
364 views

What exactly is magnetic drilling equipment?

What puzzles me is a term "magnetic" in the context of Magnetic Drilling Machines by Euroboor (for example).
4
votes
3answers
3k views

How can I calculate the load capacity of a platform?

I'm planning to build a very basic bed frame, but I'm not sure what size lumber to use. I was thinking of building the entire thing from 2x4s (legs would be 4x4), but I'm not sure if this will be ...
15
votes
8answers
23k views

How much load can a (wood) board support, if it is supported only at the ends?

How much load can a board support, if it is supported only at the ends? At the moment my specific problem is hanging a tire swing between two trees, and depending on which trees I choose they could ...
4
votes
4answers
8k views

How strong are bolts compared to welding and what qualities to look for in foundations?

I'm planning on building a home climbing wall, made from a mild steel subframe. It will probably be around 10 feet tall approx. I was thinking along the lines of using mild steel angle, cutting to ...
3
votes
4answers
394 views

Air conditioning on a shoestring budget

Without purchasing expensive air-con units, or solar panels - and the associated moutings and electrical paraphernalia, is it possible to create a temperature difference of 10-20 °C using materials ...
56
votes
10answers
15k views

Is there a case where nails are better than screws, from an engineering/structural standpoint?

Is there a case where nails are better than screws, from a structural standpoint? For instance: Say you used screws instead of nails on a backyard deck, when the design specifically called for nails. ...
4
votes
1answer
820 views

How much weight should a deck of a given area support?

How much weight should a deck of a given area support, either according to building codes or convention? In my local (Massachusetts) building code, I found the answer for floors (40 lbs/ft2 live ...