8 ms·
Prefab components are mostly used for faster RoI by building quicker ... or by displacing work to places where labor and materials are cheaper (even if mainly
by DrScump 8y ago
Prefab components are mostly used for faster RoI by building quicker
... or by displacing work to places where labor and materials are cheaper (even if mainly due to poor QC and/or compromised worker safety).
A classic example of this was the imported prefab segments of the New Bay Bridge, which costs tens (hundreds?) of millions in rework costs and who-knows-how-many remaining unfixed defects.
- Kagerjay 8y agoI overstated myself here. What I meant is that for residential / small - midsized commercial buildings only, QC/defects are not as large as a concern. Prefab components I was thinking about was prefab wall / roof / floor trusses like these http://www.buildwithbmc.com/bmc/Products/Trusses%2C-I-Joists-%26-Engineered-Lumber/Trusses-%26-Prefabricated-Wall-Panels/c/Trusses-Prefabricated-Wall-Panels http://www.buildwithbmc.com/bmc/Products/Trusses%2C-I-Joists... Bridges are a different story all together.