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  • Users: grogannc
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  1. grogannc

    Retaining Wall Design Sanity Check

    Would someone mind taking a look at the detail below and doing a sanity check?
  2. grogannc

    Hollow Core Plank Stirrups?

    Dumb question but do hollow core planks normally have stirrups in them? I can't seem to find any info on it. https://files.engineering.com/getfile.aspx?folder=3d5bf527-45ac-4c52-9d03-392189170850&file=20240710_155259.jpg
  3. grogannc

    Slab on Grade Partial Upfit Retail Shell Building

    I usually am designing the shell building and not part of the upfit after the shell is complete. But for this particular project, the upfit had a partial mezzanine (which has since been VE'd). What do you guys do at the edge of the adjacent tenant space? Slab is just a typical 4" slab. Do you...
  4. grogannc

    Support of Existing Steel Trusses at Panel Point?

    I have a residential project where the elevated back patio (~5 ft) is supported by steel bar joists and decking. Due to some waterproofing issues, the ends of the joist (bearing seat on one side) are severely rusted. The span of the joists is 13.5' and max reaction loads would be ~1000 pounds...
  5. grogannc

    Cutting Small deck footings into geogrid/retaining wall

    Its a segmental wall ranging from 4' to 6'. There are a couple layers of geogrid in it. Contractor wants to put a couple of 6x6 deck posts with probably a 12x12 concrete footing in the reinforced zone. Any tips on how to accomplish this? First thought was to go down to the base height of the...
  6. grogannc

    Resisting Cathedral Ceiling Rafter Thrust Forces

    I am working on a set of plans for a house where the Architect wants the 2nd story to be formed by rafters with collar tie as the ceiling line. Collar tie is about 1/3 from the top. Span is huge, about 30 ft wide. I think I'm OK with the "standard" version of this(there are CJs below), using...
  7. grogannc

    Pedestrian Bridge Design

    I am designing a pedestrian bridge (only 30 ft span but over a small creek) and I have initially designed it with ASD since its timber. But in doing some more research it appears that the bridge code makes you use LRFD (since 07) even for timber. This is behind a proposed apartment complex...
  8. grogannc

    Masonry Pier and Curtain Wall

    I have a client who wants to open up an existing exterior wall as part of a renovation project. The opening is 10' wide into a new elevated sunroom. the loads at each end of the 10' opening are 4.2k. The property slope varies but max ht of a load bearing masonry pier/curtain wall is about 8'...
  9. grogannc

    Bolting through Masonry Veneer

    I have a client that wants to have a deck structure attached to the existing home through masonry veneer. Our actually specifies a bolting spacing through masonry veneer but as others have said, I am worried about putting any load through the veneer. I found this solution from a post in 2007...
  10. grogannc

    Sunroom Addition

    I have a client that wants to install a sunroom on the back of an existing house. Its three sided with the back side being the house wall. Dimensions are 12'x 20'. They obviously want to maximize the glass and are showing the front wall with 6 sections of 12" width wall approximately evenly...
  11. grogannc

    Timber/Steel Pavilion

    I have a client using an Architect that wants a pavilion ~13'x18', 6:12 hipped roof, that doesn't want any kickers/knee braces at the tops of the columns. They are allowing me to use HSS columns though. Thinking of running the HSS up to the top of the perimeter beams and using beam pockets...
  12. grogannc

    What would you have done?

    So I got a call to go out and investigate a potentially "sagging" wall with "some cracking". I told him over the phone my initial fee was $X for a typical inspection. He asked if I could look at the roof as well for the same price since they were having leaks and I do roofing design also. I...

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