Page 384 - Moving the Earth_ The Workbook of Excavation
P. 384
ROADWAYS
8.46 THE WORK
FIGURE 8.33 Road fill from gutters.
FIGURE 8.34 Borrowing road fill from sides.
off the source of water (D). There may be springs or seepage rising under the road, which would
require center or lateral drains, (E) and (F). Such drains could also be needed to take off water
soaking through a porous road surface.
When the ground is generally dry and firm but has local springs or seepage, the wet areas
should be dug well below the intended drain and backfilled with stones and clean gravel, topped
