Profile: Dowhigh Limited specializes in building, civil engineering and road surfacing. We provide a fully equipped in house fleet including two machine gangs, one planning crew, two rip out & iron work crews and five tipper wagons. Our commercial earthworks division covers all aspects of minor and major earthworks. We have undertaken various aspects of drainage from the installation of 1m diameter concrete pipe at 6m deep to 150mm diameter clay pipe branch connecting a new gully pot.