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  1. KB2016

    End joined Lumber

    XR250, I have the same observation over the past. I never see more than one joint,and joined/spliced studs used not for entire building. may be 10-20% studs for entire building !
  2. KB2016

    End joined Lumber

    Hi folks, It gave me uncomfortable feeling when we observed end-joined studs is used for entire framing for a 2 story residential building. I have seen using 20-30% of the studs but not 100%. Moreover most of the cases the studs has 3 to 5 joints for only 12 ft height! I understand per IRC...
  3. KB2016

    Grounding rod-Structural Engineer letter

    I don't have any problem what I observe at the field but i can't just mention in my letter that ......"it's done according to NEC 20xx" because I have no expertise on NEC. Thank you all for your valuable inputs.
  4. KB2016

    Grounding rod-Structural Engineer letter

    Now a days, most of the city asking a letter after re-bar inspection is done by Engineer. It's not that difficult to issue a letter based on what we observed. But it makes difficult when city wants Structural engineer add a line " Concrete earth electrode is provided as per NEC 20xx" in the...
  5. KB2016

    Violation of any ethics or TBPE rule?

    As a matter of fact, the law suit is not for the noncompliance of the work. Its for , not finishing the project or not making progress on time. As per our knowledge, all the framing were done according to contract documents. Inspections were done by EOR (their firm) and it all passed by the...
  6. KB2016

    Violation of any ethics or TBPE rule?

    Jarod, Thank you for your prompt input. As a matter of fact we, city inspector and owner contacted the EOR individually. EOR were initially cooperative but something went wrong when they found about law suit. EOR acknowledged that they have done the inspection, city also knows about it. But...
  7. KB2016

    Violation of any ethics or TBPE rule?

    Dear All, Time to time we run into station like this: 1. Owner hired contractor to build his house but General Contractor took the responsibility to prepare plans and city approval. He prepared and got approval and starts building the house. However owner paid the money directly to the...
  8. KB2016

    PT-Slab design Software ( slab on grade)

    Hi All, Can anyone recommend a good design software for post-tension (slab on grade) slab? we explored ADAPT, they are good but expressive. Someone recommended GTKsoft. I tired to contact with them but no luck. No one answers their phone. I filed up online order form, had couple of...
  9. KB2016

    Wood Header design Load

    Hi, Under what consideration (IBC 2308.9.5-6 header) span reduces, when it's two floors. In my understanding floor loads ( gravity) are not accumulative on header beams but trimmer and king studs ( when nailed together). Did they consider additional load from upper floor designing header ...
  10. KB2016

    Post tension slab-Slab On Grade- Building pad drops

    rapt, thanks for your reply. I agree with you but PT by owner's Choice.
  11. KB2016

    Post tension slab-Slab On Grade- Building pad drops

    Hi, I am designing a slab on ground post-tension slab for an apartment building. Size of the pad 38'x175'. Building pad contains about 8 apartments. Each apartment drops about 8", which makes 4'-8" drop at one end of the pad. What's the best approach I should take to design and economically...
  12. KB2016

    AISC 14th vs 13th edition

    Folks, I was familiar with 13th but 14th came up pretty fast! What are the basic or major changes I need to know about this 14th edition ? Especially design wise............. thanks in advance. kb
  13. KB2016

    Shear lag factor U for 2 bolts in line

    Dear all, AISC 9th edition (table D3.1) used to have a value for U =0.75, when all shape connects by 2 bolts in line. In 14th edition I don't see any value for that ( or I am missing something). My question is, when a members connects by 2 bolts in line, what would be the value for "U". Or...
  14. KB2016

    Drag force/Shear wall connection

    Hi Folks: Whats the best way to transfer the shear, when shear wall running parallel to wall? 1. extending wall ( build pony wall) all way up to floor/roof? 2. provide floor truss on top of wall? 3. Rim joist on top of wall? If we use truss, sheathing is not necessary to bring all way up...

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