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  1. Greenalleycat

    Hollow Core Concrete Beam Analysis

    I can imagine you'll need a very good contractor to make this work - they'll need to get the steel nice and tidy to match your drawings
  2. Greenalleycat

    Hollow Core Concrete Beam Analysis

    Ok, just want to make sure as Hollowcore flooring generally performs terribly in seismic zones and is a topic of significant scrutinty here https://www.sesoc.org.nz/precast-flooring-resources
  3. Greenalleycat

    Hollow Core Concrete Beam Analysis

    What are you trying to do with the Hollowcore? Are you in a seismic zone?
  4. Greenalleycat

    AI Photo / Caption Tool for Site Inspections

    Was thinking about this yesterday on my way to a job...has anyone found a good AI tool for site inspections? I was thinking of something that goes 'take photo -> voice to text caption -> get back to the office and output a table with photo & caption' but also open to any other tools that people...
  5. Greenalleycat

    Reinforce masonry wall to deal with settlement risk

    It's easy to give a bad answer to this question given the lack of proper information, but the first answer that comes to mind is definitely underpinning If there is localised soft soil then dig it out and support the foundation onto a firm layer Your downside is going to be that your foundation...
  6. Greenalleycat

    Sill sealer and wood rot in residential wooden framing

    ooooooh ok that is something we don't use here. If you were to ever try to seal that junction it would be done with tape or sealant from the outside. My bad. My hard line stance isn't correct. As long as they have the black tape to stop moisture going from concrete to timber I think it would be...
  7. Greenalleycat

    Sill sealer and wood rot in residential wooden framing

    But...I gave 2 options. Which option is it?? The red dot or the blue line
  8. Greenalleycat

    Sill sealer and wood rot in residential wooden framing

    ok sketch time Google images seems to show the 'sill sealer' as the blue line I've drawn below (we would call it DPC or malthoid) But is it actually just a bead of sealant along the edge (red dot in my sketch)? Edit: I've put a photo from a job at the to show what I'm thinking of. It's a...
  9. Greenalleycat

    Sill sealer and wood rot in residential wooden framing

    I just realised that I hope I've understood what a 'sill sealer' is as this is all Americanese to me From my Googling I interpreted 'sill sealer' as a moisture membrane between the timber wall plate and the concrete foundation...is that correct?? Or is 'sill sealer' actually just a sealant bead...
  10. Greenalleycat

    Sill sealer and wood rot in residential wooden framing

    It's a Building Code violation of the high Yes there would be multiple avenues of recourse here 1/ Consumer Guarantees Act means you can't contract out of many things with private individuals (e.g. homeowners) and I think these obligations even flow through an LLC e.g. if your client is a...
  11. Greenalleycat

    Sill sealer and wood rot in residential wooden framing

    Man the US is like the wild west, why are you guys so forgiving of shit construction?? If the builder missed the damp proof separation layer between the bottom plate and the foundation in my house they would be in for a very expensive and sad time
  12. Greenalleycat

    Easy foundation work or a trap?

    There are 3-4 different avenues you could pursue that against a contractor here, and all of them would very easily capture a 4 year horizon I think the shortest of them would be 7? or 10? years that the contractor is on the hook and, for residential work with a private individual as the client...
  13. Greenalleycat

    New home with wood frame, cracked studs concern

    @Tomfh I was lazy in my reply but his examples are generally on the ends of the walls Here, the fixing pattern for the plasterboard has tighter spacing on the end stud so those compromised studs would be a PITA for the plasterboard fixers Hence, I say replace those Agree that the internal studs...
  14. Greenalleycat

    New home with wood frame, cracked studs concern

    Those are shit even by residential standards I vote replace
  15. Greenalleycat

    Sole proprietor as engineer or business man.

    My dad (45 years as a structural engineer) loves his one-liners His applicable one here is: "I'm a consulting engineer, and there's a reason that the consulting comes first" Now, I don't think 'consulting' = 'businessman', but his point was always that we aren't really hired for the strength of...
  16. Greenalleycat

    Easy foundation work or a trap?

    @Ron247 amazing, a clause like that would never stack up here It's explicit in our building law that you provide a warranty with your work, can't contract out of it, and can't do non-compliant work Though if the contractor is out of business you are stuffed regardless
  17. Greenalleycat

    Easy foundation work or a trap?

    I don't understand this. The contractor said they could do the job and they failed to do so. That would be illegal/non compliant work here and the contractor would be on the hook to fix it. Why was the client the one out of pocket?
  18. Greenalleycat

    Easy foundation work or a trap?

    The cowboy classic here is to use discrete underpinning pads to side jack an unreinforced rubble foundation (read: contains bricks, stones, and not much cement) on sites with shallow water tables and liquefiable materials at the water table If the side lift doesn't break the foundation, the...
  19. Greenalleycat

    Easy foundation work or a trap?

    We have expansive soils elsewhere in the country but not in my city Here, it's peat (the settlers decided to drain a huge swamp and build a city on it) and liquefiable soils that are the headache
  20. Greenalleycat

    Ridge Beam Moment

    I have always designed ridge beams as being restrained by the rafters

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