Roading
SH4 Lakes Hill Overslip & Realignment
Project Overview: Realignment of 600m of SH4 and daylighting of corner. Work included a large variation called Aberfeldy Hill – this involved taking out another corner of road that wasn’t included in the original works. We had dumpers working on the road in live lanes with limited room for movement. Also a very steep work area – some places were near vertical with overhangs.
Drainage
Drainage included 375mm and 450mm diameter stormwater lines across the new road
65m of flume was installed
145m of aggregate drain
750m of subsoil drainage
Rural culvert installation and manhole
Earthworks
3,600m3 topsoil strip, stockpile and respread
160,000m3 cut to fill
15,000m3 cut to waste
7,250m2 subgrade preparation
