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  • Users: garpe
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  1. garpe

    Micropiles Supporting Thick Reinforced Slab

    I've used a sleeve with a cap plate welded to it. Check punching shear
  2. garpe

    UL Wind Uplift Ratings

    My take on UL, for rated walls, wind uplift, is that the documented assembly is only good for the UL rating as assembled. What I am trying to get my client to understand is that UL can't be "extrapolated" and that there are other third party testing labs out there who can perform the test for...
  3. garpe

    UL Wind Uplift Ratings

    Thanks I've looked at FM-28 for other projects. It looks like UL has responded to industry demands and only run tests for 90 psf. I did a quick calculation for a "typical" building this morning and found that for 100 mph, exposure C the highest pressure in the corners is about 90 psf.
  4. garpe

    roof ridge beam support

    Looks like a flitch beam may be the best and easiest way to go. I would follow the profile of the two ridges, begin at the post between the windows on the left, up the first slope, overlap the lower flitch beam with the one at the high ridge and come back down along the roof slope to the...
  5. garpe

    Cold Formed Steel

    I've been using "CFS" by RSG Software for a while. It's reasonably priced and has some good output options for things like buckling modes, etc. SteelSmart is pretty good also.
  6. garpe

    UL Wind Uplift Ratings

    UL wind uplift ratings for roof assemblies only go up to 105 psf. What do we do if we have wind loads in corner and edge zones in excess of this? It is not unusual to have wind uplift values in the 120 to 150 psf range.
  7. garpe

    Socially Responsible Engineering???

    How many have encountered this foolishness? A university near my office is offering a CEU class in "Socially Responsible Engineering." Topics include environmental risk and justice, engineering response to terrorism, green engineering, life cycle assessment. One at a time: 1. environmental risk...
  8. garpe

    Reverse Hybernation ...

    beel76 Start getting clients lined up get to work NOW. You need invoices outstanding before you get the axe. It sounds like you might be working for a bunch of shortsighted guys anyway so who cares? Go out and kick their ass. When I started I did my design work during the day and my CAD work at...
  9. garpe

    how long do you hang on

    I have found that keeping a diverse clientele has helped a lot. Diverse in the sense that they are associated with different segments of the economy. I have been a three to five person operation since 1991. I remember the Carter years and it's not that bad yet. Inflation was 18%, the prime was...
  10. garpe

    Are You An Engineer If You Don't Pass The P.E.?

    YO zdas04: Be careful. I think you have to seal and sign everything you produce. Check your states regs. The fact is we live in an era where the registration boards are instituting what I consider to be foolish "gothca" type regulations. They must not have much to do. I am registered in a bunch...
  11. garpe

    info about aluminum weld capacity

    Use 1/2 of the base material strength when designing welds in aluminum structures. I don't think the electrodes matter that much. What happens is that during the welding process the aluminum looses it's "tempering" and there is a significant change in properties. Greg Robinson
  12. garpe

    crane rail runway beam splice

    Simple spans is the way to go. There is a good article in the AISC technical publication about this very thing. It's at my office so I can't give you anything specific. Do a search at the AISC website. The splice may become a fatigue issue so I would certainly check it for that. AISC Manual of...
  13. garpe

    Are You An Engineer If You Don't Pass The P.E.?

    I'll take a chance on beating the moribund equine. The essence of professionalism is personal responsibility. As a licensed PE I can get in trouble if there is a problem on a project I have done. If i was negligent in some way, or if the judge wants to "spread the pain" I pay. Even if I am not...
  14. garpe

    Plywood shear walls with metal studs

    Where is the job located? Structural I is not available on the east coast of the US.
  15. garpe

    Are You An Engineer If You Don't Pass The P.E.?

    I'm not on my pedestal, maybe a soap box. It's true that we have become over-regulated because the states and the various boards seem to have nothing better to do. If I seal something in FL I have to make sure that specific, state approved text is near my seal stating that my drawings comply...
  16. garpe

    Client Paws SO at Industry Party

    Personal to MikeHalloran: Never have I heard man/woman differences put so succinctly. That is definitely a nugget of the highest order. Greg Robinson
  17. garpe

    Liability of designing dorm lofted beds

    Liability goes forever, I have actually heard of cases where the liability extended the estate of a deceased engineer when the proximate cause of the failure was lack of maintenance by the owner. It sounds like the university is too cheap to do things the right way. Keep in mind that you can't...
  18. garpe

    Are You An Engineer If You Don't Pass The P.E.?

    NO. I have real problem with someone calling themselves an "Engineer" when they have not a passed a test based on minimum proficiency requirements. Lets get professional guys, no one is going to give us more respect than we have for ourselves. My brother couldn't call himself "M.D." without...
  19. garpe

    using open discussion sites like these

    Keep your comments and questions professional and carefully worded. I would leave out things like "I'm note sure how to..." Five years hence you will have five more years of experience so your post today might not be relevant. I take your point, asking in a recorded public forum is a lot...
  20. garpe

    Who Owns The Design?

    Depends on contract. I typically put a clause on my drawings stating: "All drawings and copies thereof are instruments of service and as such remain the property of the Engineer. They are licensed for one time use only with respect to this project. Methods and drawings are proprietary and not...

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