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I would certainly call and discuss, but I'm guessing they're just not concerned with long term consolidations of those soils. Here in swamp country where we have all clay, that would be a big problem. I don't think granular soils have the same issues, especially at that depth, but it's been a...

I try to keep anchor bolts in the middle third of the sole/sill, but if you have those horseshoe straps you don't have to worry about developing cross grain tension from the uplift load path. You can put it anywhere in the sole plate so long as the connection meets NDS and ACI requirements...

lex - if there's a ceiling, it is balloon framing. I'm designing one like that at the beach right now. Short gable, so the max stud height is only about 13'. Makes more sense to balloon frame it with a ledger and fire blocking at the ceiling height than breaking it and doing some sort of...

In other news - you need to keep an eye on your mortar joints. They're looking a little weathered. You'll probably need to have them scraped out and repointed in the not-too-distant future.

Is that a pour stop? Did the 39" width consider the fact that it only had a slab to one side?

Failure to consider loss of strength in the weld affected zone? Seems like too many engineers go into aluminum design without understanding the material, assume it's like steel with a lower yield stress, and just pick sizes.

Carbon fiber reinforcing on the beam may be a better option. Adding plates will involve drilling into the beam at the risk of cutting the already insufficient rebar.

Make sure the plies of your beam are fastened together appropriately. Just because they're next to each other doesn't mean they'll share the load. Inadequate fastening could result in higher stress in the loaded ply (side loaded, eccentric - real or incidental - load from above, or minor...

Warnings for the owner? No, not really. Other than, maybe, warning him/her that the deck has been designed for the hot tub they have selected, and they shouldn't replace it with a larger one. They did tell you which hot tub they're buying so you can have an accurate weight, right? Don't go...

You just blew my mind. I had never realized that before... (Also, you should have said "a bicycle wheel spoke whose roll is to transfer axial load...")

Depends on the contract. Best to take it up with a lawyer, but I'd guess if it doesn't specify a time frame it would need to be at least the length of the statutes of limitation for liability. In other words, if you can still be held liable in a lawsuit, you need to still have it. That's at...

Yes. This can be done by only having a single top plate in the panelized wall with the second plate installed with the walls in place to stagger seams, or they can strap them together. In either case the connections would be based on the higher of your required chord or collector force, just...

so how's your analysis of the condition coming along?

JAV72 - you're spot on. If the detailer is incapable of a simple 28' - 7.625"/2 = 27'8 3/16", then they need to find a new detailer. It sounds like you provided all the necessary dimensions. Now they need to detail it and use some simple arithmetic to get any other dimensions they need.

The file doesn't open, but I think I know what you're talking about. And the answer is: a little bit of both. Embed the balustrades into the stringer deep enough to create a fixed reaction. Then the handrail at the top will act as a beam to spread the load out. So when you push on it, you're...

aha! I am, in fact, blind. thanks, everyone.

Where are you guys getting 9' for the foundation wall? Am I blind?

Where are you getting the 20kips? Just because it's steel? That doesn't mean much. Steel is often used to control deflection in a shallower depth, so the loading may not be all that high. Then again, it might be. In general, I would say a steel column sitting on a 16" wide and 8" thick...

You answered your own question. The method you're suggesting "works" with prescriptive braced wall design, but if they're using shear walls then you need to design for the reaction. Are they just giving you a number, or are they identifying a load combination? Do they have an engineer on...