This Highway forms part of the National Highway Network and provides a strategic freight link between Perth and the State’s north as well as Darwin and the Northern Territory.
In 2014 Castle Civil were engaged as part of the Muchea North project to carry out the drainage and culvert works as described below.
- Supply and installation of concrete slab foundations to receive 450, 600 and 1200 x 1200 box culverts
- Construction of apron slabs and wing walls to Main Road Standard and tolerance
- Installation and welding of 63mm up to 630mm pipelines
- Installation, backfilling and testing of 300, 600 1050 and 1500mm RCP pipeline