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  1. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse, Part 08

    I also saw this of interest. Waterproofing, paver installation and garage repair in 1996. Looking through all the documents it is really overwhelming. They have provided so much information. It seems like the building needed near constant maintenance. As a result I have decided that beach...
  2. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse, Part 08

    Looking through the documents I found this of interest. They had in 1996 done a bunch of crack repair in the garage area. Approximately 500 linear feet of repair. I noticed the planter repair demented posted and was wondering which planter it was that they did the repair for.
  3. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse, Part 07

    I was looking at this earlier. I was wondering if the crane to move the stuff on the roof and other heavy equipment was sitting on the road or on the deck that makes up the roof of the garage. There was an account more of the roof work in the HOA letters on the Town floor of Surfside website...
  4. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse, Part 04

    You are correct. I’ve been reading too much way too late at night. I don’t like that they drilled through the bar. From my understanding, the plans show parts of the pool deck that have #4 and parts with #5 at the planters and column areas. Reading the notes on the repair drawing they have a...
  5. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse, Part 04

    I wish purchase of rebar eaters (rebar cutting drill bits), or anything that can cut rebar, required a signed permission slip signed by an engineer. The only way I can think of repairing that involves making a bigger hole or cutting deep grooves to epoxy bar in. Looking at the drawings I’m...
  6. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse, Part 03

    Reading through this I’m wondering if they could of overloaded the garage ceiling with the tar kettle. I’m having a hard time finding what the weight of a tar kettle is full. The weights I’m finding is up to 5000 lbs but I’m not clear on if that’s full. The way Maria describes the location of...
  7. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse, Part 03

    I was checking out photos of the place on https://www.condoblackbook.com/surfside/champlain-tower-south/unit-607-for-Sale . I wasn’t sure if this was something or not. To me it look like the driveway might have a ridge. I wasn’t sure if this lined up with a beam.
  8. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse, Part 03

    I found this article that was interesting. It gives some insight on why the construction timeline of the sister buildings is what it is. It also talks briefly about the penthouse an explains why it was added and removed. In South Florida, developers often demand exceptions to rules. Champlain...
  9. Lizard7709

    Miami Beach, Champlain Towers South apartment building collapse

    https://youtu.be/qTUykkOSLEw Is the link for the column in the sister building. Someone (Murph_9000) had posted it above. It shows at 1:16.
  10. Lizard7709

    Tilt-up Building Expansion Joints

    I’m a little confused by the question since I’m not familiar with the technical report you listed. I am familiar with tilt-up buildings and normally if a tilt-up warehouse is big enough there will be an expansion joint located based off the precast handbook. The joint between panels maybe 2”...
  11. Lizard7709

    Stamping Old Stamped Plans

    I would recommend you look up the rules in your state for “successor engineer”. In my state, the rules state that if you take over a job you become responsible for it as if you were the original engineer. You would also be responsible for running calculations needed to verify the design using...
  12. Lizard7709

    Teaching myself autocad vs formal class

    In auto cad what you must know is How to draw lines to a specific size How to draw shapes How to dimension and scale dimensions What paper space is and how to use it How to use viewports How to scale text Offset command How to do layers How to do hatches. The rev cloud command or button How...
  13. Lizard7709

    Chattanooga 1-75 N to I-24 W Overpass Partial Collapse

    Looking at the 2018 inspection report page 20 of 33 they call out an area with rebar and strands being exposed. Would this area line up with this or is that a different span? I can’t tell how to figure which beam is which. Reading charliealphabravo‘s post got me wondering if a truck hitting...
  14. Lizard7709

    Chattanooga 1-75 N to I-24 W Overpass Partial Collapse

    https://wrcb.images.worldnow.com/library/52d21583-4388-4f82-8f52-e9ce33ae2c22.pdf On the link is the inspection report from 2018.
  15. Lizard7709

    Changing profiles... need help

    Right click on the shortcut you use to open autocad and select properties. Where it says target it will have something along the lines of "C:\Program Files\Autodesk\AutoCAD Architecture 2012\acad.exe" with extra stuff at the end. Delete the extra stuff at the end and then give it a go with...
  16. Lizard7709

    How tight can I bend A36 3/4" Plate?

    I'm looking to bend A36 3/4" plate and I want to find out how tight I can bend it without having any problems. Ideally I'd like to bend it so the inside radius is about 1.125". Is there a rule of thumb when it comes to how tight bends can be on plates like this?
  17. Lizard7709

    Hot dip galvanizing of carbon steel

    http://www.galvanizeit.org/aga/about-hot-dip-galvanizing/the-corrosion-problem/corrosion-process I would recomend checking out this site. Rust is caused by electricy moving around within the part. The zinc coating controls the direction of the current and thus is able to sacrifice itself to...
  18. Lizard7709

    C12L15 vs C1215

    What are the differences between C12L14 and C1215. According to my reference material it looks like these two metals perform identically minus the machinability. I was wondering if there were other issues to be concerned about (specifically cold temperature embrittlement). In the past we...
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