from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb transitive To build beneath another structure; provide a
foundationor supportfor; undergird.
- verb transitive To perform insufficient
constructionon a building or in an area; buildbelow a specified requirement or standard.
from Wiktionary, Creative Commons Attribution/Share-Alike License
There were guidelines but the "underbuild" issue went back years to when industry was allowed to build under power lines.
*  The vestry then called in another person, a mason of the town, and directed him to cut away the injured part of a particular pillar, in order to underbuild it.
This is just STUPID to allow this to continue, and leave the fence underbuild and open.
c And some is just long-familiar noise of overbuild/underbuild boom-and-bust, overlaid on the trends above.
But most of this is being driven by underbuild relative to demand in Q2, such that inventories should be below normal by June 30. "