I posted a while back on this rapid building project.
Here is another:
In just 48 hours, workers assembled the prefabricated structural-steel subassemblies and other components—without any interior finishes—of a 10-story building in the industrial town of Mohali in northwestern India. The still-unfinished building holds the nation’s speed record for superstructure-plus assembly.
On Dec. 1, the deputy chief minister of the state of Punjab, Sukhbir Singh Badal, inaugurated the 25,000-sq-meter building. For two days, a 200-member team worked around the clock to finish erecting the subassemblies and exterior wall panels. Less than 20% of the work was done on-site, according to the company. The builder claims the structure, designed to resist earthquakes, has a 600-year life.
There is a video.
I would love to see this and the project in Changsa in 600 years. For some reason I suspect they’re not quite that durable…
Let’s look at these in one, two, five or ten years and inspect them for durability. Let’s analyse their long-term performance compared to capital and operating costs. Let’s do this in near-term metrics (e.g., rent, utility costs) as well as long-term metrics (e.g., durability, utility costs).
Pre-fab building technologies get a lot of press and there is some hope that these types of systems will deliver long lasting performance. Looking forward we should expect new systems to challenge incumbents. That said, it is important to note that there is a reason we build today the way we do. There is a reason manufactured systems are not currently the predominant building strategy in the US (or anywhere, really). In a disparate industry of excavators, masons, carpenters, insulators, roofers, HVAC contractors, etc…, centralization of construction is a challenging value proposition.
The value of near-term product delivery, via integrated construction systems, will inevitably prove itself over time.