Recent content by mikek396

These plans are comically bad... so bad that this PE should probably be reported for practicing outside his area of expertise

What about SAE Grade 5 bolts? I believe strength is similar and they can be purchased from McMaster https://www.mcmaster.com/products/bolts/fastener-strength-grade-class~sae-grade-5/hex-head-screws-1~/medium-strength-grade-5-steel-hex-head-screws/

Bump

I have a beam acting as point bracing for 3 columns with relatively light loading. Using Appendix 6 - A-6-3, I have calculated the required brace force for each column (.01*P), and using A-6-4b, I have calculated the stiffness required for each individual brace. My question has 2 parts: 1 - How...

Looking at your plan view, it seems like a better load path would be to cantilever the blue beam at the left side to support the red tubes in the other direction at the top of the drawing

just curious - what reference is this from?

Seems to me your best bet is square tube - something like 5x5 I've also seen some decorative sheds with round HSS Ive also seen 18x18 lattice columns used, although I cant find these anywhere online I've never designed these before, but would love to get involved with this type of work Seems...

@lexpatrie The basic concept is that instead of the machine being at the top of the shaft, there are a set of sheaves (pulleys) that the cables wrap around and then go to the bottom of the shaft to wrap around the machine. There's a pretty good diagram at this link...

I am looking for some help with design of anchorage for a basement elevator machine replacement. The current machine has (4) 3/4 anchor bolts, and not in the correct locations for the new machine. New design loading will be approximately 26k sustained tension load on the anchor bolt group...

The change in shaft dimensions is OK, However... 1 - the top of any setback greater than 2" needs to be beveled at 75 degrees 2 - the elevator contractor should be informed as they will need to adjust their bracket dimensions - the contractor should have a maximum bracket length. IME the ~8"...

Take this with a grain of salt as I have very little knowledge of pipe stresses, and I havent looked at ASCE 7 before writing... I think it would be prudent to design for the higher loads. If the column doesnt need to be reinforced for the higher loads, great. If it needs to be reinforced for...

@WARose - if the issue is from cantilever bending of the web plate as opposed to torsion - adding stiffeners solves this, correct? It seems the web plates need to be added if I am to propose the x brace, so I may just have them add the stiffeners first and if there's still any movement, then add...

I was able to submit a NY criminal background check and it worked just fine, but it may be that PA was the second state I was applying for, so I only needed the check from the state I already had a license. It may be that you need one from each state you have a license, in which case the FBI one...

@centondollar - Im not sure I agree with your assessment that stiffeners + bearing plate wont solve this issue. Its not quite a torsion problem, but cantilever bending of the web plate There are 2 beams, 41.5" center to center. X-brace seems like overkill, and it seems like I would need to...

has anyone successfully figured out what registrations are needed for PA? I have a PLLC (NY) and plan to do business in PA. Is it as simple as filing the fictitious name registration form? Am i missing something else?