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  1. dannyypk

    IRC Table R606.6.4

    I am writing to enquire about the IRC table R606.6.4. I believe the table is obtained from the Empirical Design Chapter in ACI 530. In Table R606.6.4, footnote (a) noted the ratio of height to nominal thickness for cantilevered walls. Based on the limitation of empirical design, Seismic...
  2. dannyypk

    Conduit to be embedded in existing concrete slab

    Running into a situation that the contractor would like to embed new electrical conduit into the existing elevated concrete slab ( 8" deep) Any code section (ACI, NEC) has any requirements for the depth of the embedment?
  3. dannyypk

    Masonry / Brick Crack Evaluation

    Hi, Any books recommend to further study about the cause, the pattern, and the repair of the masonry/concrete and brick veneer crack? Recently came across a lot of residential inspection reports. Both foundation contractor and engineer's comments are very subjective and a lot of professionals...
  4. dannyypk

    8x16 masonry piers installation in Crawl Space

    My original question is the orientation of 8x16 masonry piers in a crawl space relatively to the girder. I just don’t buy the idea the interior masonry piers will need to take lateral load. The designed lateral load path is through the sheathing to the sill plate through anchor bolts onto the...
  5. dannyypk

    8x16 masonry piers installation in Crawl Space

    HotROD10, so what if you look at the mobile home with only dry-stack piers? Let's not considered there is any lateral load for these piers.
  6. dannyypk

    8x16 masonry piers installation in Crawl Space

    Thanks for the reply. Most of the girder and pier design in residential are not designed to take any lateral loads. (no positive connection from girder to masonry piers, wood girder just seat on top of the piers) Per code, a solid masonry block should be installed on top of the piers to...
  7. dannyypk

    8x16 masonry piers installation in Crawl Space

    Hi all, I cannot find any code reference ( except modular home code) regarding 8x 16 masonry pier orientation. Is the 8x16 piers supposed to be : Pier Long side parallel to the girder Pier Long side perpendicular to the girder Or it doesn’t matter.
  8. dannyypk

    CAD (residential) Standard

    Hi, all, I am starting my own Engineering Firm and looking for reference and guideline in established my own CAD drawing "style" Is there any book teach how to set up text height, title page, xref, blocks, etc?
  9. dannyypk

    Professional Liability Insurance

    I just started on my own and seems like everyone required liability insurance (1,000,000) for bidding or minimum requirement for getting new projects. I would like some suggestion on any insurance company recommendation for a small structural engineering firm (single , sole proprietorship)...
  10. dannyypk

    Bolting design for Multiply wood beam

    For thru bolt connection in wood beam, often come across situation for side loaded , multiply beam, either same species or different species. I know in NDS 11.3.8 that connection for 4 or more ply , each shear plane shall be evaluated as a single shear connection. In a lot of example, for...
  11. dannyypk

    Moment Connection at stud wall?

    I am reviewing one of my " senior " Engineer works and came across this details. The existing stud wall is over stressed due to the new install roof screen. (moment @ the base of the parapet wall is over-stressed) To reinforce the wall, He claimed he will use the Simpson CS coiled strap to...
  12. dannyypk

    2016, consider Starting my own structural engineering firm.

    Brad805, Can you give me some example about " Industrial Clients"? I had done some engineering design regarding to warehouse remodeling (relocate a column, adding a mezzanine, or certifying a mezzanine loading.) How do you get industrial clients? They usually don't have an architect involved.
  13. dannyypk

    2016, consider Starting my own structural engineering firm.

    BUGGAR, Can you tell me more about your experience??
  14. dannyypk

    2016, consider Starting my own structural engineering firm.

    IRstruff, this is why I decided to stick with the real estate / residential inspection market as they generate quicker cash flow.
  15. dannyypk

    2016, consider Starting my own structural engineering firm.

    zdas04, Which market you are referring to?
  16. dannyypk

    2016, consider Starting my own structural engineering firm.

    I understand the payment from small contractor., real estate agent, or home owner might be tough, but they are the easiest customers I can get when my company still young.
  17. dannyypk

    2016, consider Starting my own structural engineering firm.

    I give myself 6 months to a year. If it failed, i will look for a job.
  18. dannyypk

    2016, consider Starting my own structural engineering firm.

    Hi, all, Just want to get more opinion about starting my own new structural firms in 2016. Here is the points that support my decision: 1) Experience = over 10 years in residential , small commercial projects 2) MS / BS in Civil Engineering conc. in structural 3) Have multiple states PE...
  19. dannyypk

    concrete balcony supported by the threaded rod design

    I am designing a concrete balcony supporting by (3) 1" dia threaded rod embedded into the concrete balcony 12" (see attachment.) The balcony is designed to supported by the rod not by the block veneer below. I believed the threaded rods had to extended and tied to the blocking in between the...
  20. dannyypk

    Retaining wall crack, solution to fix please!

    It was a masonry retaining wall. I think what I gonna do is to cut out the slab, remove the back filled about 4 foot wide. Pour a 4ft wide x 3 ft tall concrete behind the wall. it will work like a counter fort and stop the wall from pulling out.

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