3 ms·
Maybe the original posts didn't need to be that deep--just deep enough to be used as scaffolding for the wooden version of the pile driver to be set up. They m
by nyghtly 6y ago
Maybe the original posts didn't need to be that deep--just deep enough to be used as scaffolding for the wooden version of the pile driver to be set up.
They may have also taken advantage of fair weather and seasonal changes. During the dry season, the river would be lower and easier to work with.
- m4rtink 6y agoIIRC the water under the bringe is actually behind a weir (to aid river navigation). If the weir was already there back then, they could temporarily open it up and significantly lower the water level.