Building Foundation Anchor Bolt Problems For Builders
by Hi-Tech on Aug.26, 2010, under Fasteners
For those of you who don’t know what an anchor bolt is, it’s usually an L shaped bolt that goes into the concrete and is used to connect the bottom framing plates to the concrete slab, footing or building foundation. But here are some of the things that you might not know about your building foundation and metal bolts and how they can work more efficiently together.
Did you know that there are different lengths of anchor bolts? Do you know that there are different sizes of foundation bolts, for instance I’ve seen foundation bolts as small as 3/8 of an inch and as large as three quarters of an inch. It’s hard to imagine that we need so many different types of L bolts for our building foundation.
Now here’s something that even some builders have a problem with. It’s not a big problem, but I’ve seen contractors argue with structural engineers about which types of anchor bolts are actually going to be required for one particular project. Now remember, most builders don’t have the knowledge or the responsibility a structural engineer might have, about building foundation, especially if it ever failed.
The biggest problem with contractors and builders who think that they know more about building foundations and L bolts than the structural engineers or even the city engineers, should try to keep one thing in mind. They’re not responsible for any structural problems that were assembled according to the building plans, but the structural engineers are.
The next time that you’re looking at a set of blueprints and it calls out for a 7 inch minimum anchor bolt embedment, make sure that you purchase the right L bolt’s for that particular job. I’m not writing this article, because I’ve never seen this happen, I’m writing this article, because I know someone who installed the wrong anchor bolts on one of their projects. These L bolts were later removed as the city building inspector requested a correction for the change.
The building inspector found the problem and the contractor got the education. Even though the contractor knew better, he still got the education.
Seriously, Here’s an Excellent Home Inspection Ideas.
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