3 ms·
How about excavating? Keep the external height limit but get more vertical space.
by ridgeguy 4y ago
How about excavating? Keep the external height limit but get more vertical space.
- bobthepanda 4y agoExcavation is very expensive. For the limited subset of a parking garage, which generally has much lower ceilings than is normal for other uses, the cost of one underground parking space is around $30,000.