3 ms·

6k = 12 working days for a builder skilled enough to do everything from working an excavator to hooking up hvac. So they're claiming a house that can be build i

by roel_v 11y ago

6k = 12 working days for a builder skilled enough to do everything from working an excavator to hooking up hvac. So they're claiming a house that can be build in 12 day, by a single person, ready to move in? Clickbait.

imtringued 11y ago
Prefab houses can be built in a single day. In fact in china they built a prefab skyscraper in 15 days.
- roel_v 11y ago
  Including plumbing, flooring, electricity, hooking up utilities etc. ? Please cite your sources because extraordinary claims require extraordinary evidence.
  - jholman 11y ago
    https://www.google.ca/search?q=china+skyscraper+15+days https://www.google.ca/search?q=china+skyscraper+15+days It's been discussed on HN half a dozen times. "Extraordinary claims" is a context-dependent idea.
    - roel_v 11y ago
      Yes, I know about the skyscraper, I meant the 'build home in a single day' part.
  - noja 11y ago
    iirc the designer of that skyscraper admitted that the plumbing was not ideal.
  - st3v3r 11y ago
    Keep in mind they had several small armies working on it at the same time. They could throw bodies at the work and get it done quickly. The real challenge would be in coordinating all of that.
NickNameNick 11y ago
I'm not sure where you're getting 'by a single person' from, or 12 days, and us$500/day seems generous for a 1 man shop. But given the cladding and roofing in the photo's, I'd imagine a 2 man crew could build a house in roughly that many working days. Probably less. When I was working as a builders labourer, we'd show up on-site with the concrete pad already set. Take ~ 1 day to stand-up the frames. ~ another day to stand up the roof trusses, ~1-2 days to put the roof purlins and any internal gutters in (the buildings shown won't have those). And another day or two for putting tar-paper on the roof, tyvek around the frames, and general tidy up A contractor would take ~2 days to put the roof on. ~1/2 day for the electrical pre-wire. ~1 day for the plumbers and drainlayers to pre-place everything 1-2 days to fit the windows and doors. The style of exterior cladding shown is comparable to the roof, so another 2 days. (Most of the houses I worked on had brick cladding over a timber frame, which took ~4 days for a single story house) Plastering, (2 days) Painting (1 day), electrical post (~1/2 day) plumbing post (~1/2 day). Cabinet work (1 day) carpet (2 days) So ~19.5 days to build a conventional house. We can eliminate the carpet straight off. If we use structural insulated panels we can eliminate the cladding, roofing, papering, and time to install the purlins. That's ~7 days saved right off the bat. The depicted houses are on concrete block stilts, which will need a day or 2 to build, and there needs to be some extra time allocated to building and insulating the elevated floor, but I don't really see why that has to be hugely expensive. The depicted structure is small, and doesn't appear to have AC. the foundation, plumbing and drainage don't look like they require extensive use of excavators (although you will need some for the drainlayers at least). So with 2 people, plus the drainlayer contractor and his baby excavator, I don't think they're all that far off a reasonable construction cost.

by roel_v 11y ago

imtringued 11y ago

Prefab houses can be built in a single day. In fact in china they built a prefab skyscraper in 15 days.

roel_v 11y ago
Including plumbing, flooring, electricity, hooking up utilities etc. ? Please cite your sources because extraordinary claims require extraordinary evidence.
- jholman 11y ago
  https://www.google.ca/search?q=china+skyscraper+15+days https://www.google.ca/search?q=china+skyscraper+15+days It's been discussed on HN half a dozen times. "Extraordinary claims" is a context-dependent idea.
  - roel_v 11y ago
    Yes, I know about the skyscraper, I meant the 'build home in a single day' part.
- noja 11y ago
  iirc the designer of that skyscraper admitted that the plumbing was not ideal.
- st3v3r 11y ago
  Keep in mind they had several small armies working on it at the same time. They could throw bodies at the work and get it done quickly. The real challenge would be in coordinating all of that.

NickNameNick 11y ago

I'm not sure where you're getting 'by a single person' from, or 12 days, and us$500/day seems generous for a 1 man shop. But given the cladding and roofing in the photo's, I'd imagine a 2 man crew could build a house in roughly that many working days. Probably less. When I was working as a builders labourer, we'd show up on-site with the concrete pad already set. Take ~ 1 day to stand-up the frames. ~ another day to stand up the roof trusses, ~1-2 days to put the roof purlins and any internal gutters in (the buildings shown won't have those). And another day or two for putting tar-paper on the roof, tyvek around the frames, and general tidy up A contractor would take ~2 days to put the roof on. ~1/2 day for the electrical pre-wire. ~1 day for the plumbers and drainlayers to pre-place everything 1-2 days to fit the windows and doors. The style of exterior cladding shown is comparable to the roof, so another 2 days. (Most of the houses I worked on had brick cladding over a timber frame, which took ~4 days for a single story house) Plastering, (2 days) Painting (1 day), electrical post (~1/2 day) plumbing post (~1/2 day). Cabinet work (1 day) carpet (2 days) So ~19.5 days to build a conventional house. We can eliminate the carpet straight off. If we use structural insulated panels we can eliminate the cladding, roofing, papering, and time to install the purlins. That's ~7 days saved right off the bat. The depicted houses are on concrete block stilts, which will need a day or 2 to build, and there needs to be some extra time allocated to building and insulating the elevated floor, but I don't really see why that has to be hugely expensive. The depicted structure is small, and doesn't appear to have AC. the foundation, plumbing and drainage don't look like they require extensive use of excavators (although you will need some for the drainlayers at least). So with 2 people, plus the drainlayer contractor and his baby excavator, I don't think they're all that far off a reasonable construction cost.