This major facility is located in Yarwun, QLD and includes chemical plants for the manufacture of chlorine, sodium cyanide, nitric acid and ammonium nitrate. The development of the facility commenced in 1987 with the construction of the Chloralkali plant. This was followed in 1989 by the Cyanide plant then in 1992 by the Ammonium Nitrate plant. A further Ammonium Nitrate plant was added in 2004/05.

DNM scope included design and documentation for civil, structural and general arrangement drawings for all plant buildings and structures up to and including the recent expansion of the Ammonium Nitrate manufacturing facility in 2004/05.

This project was formally known as the Tubemakers Australia DuraGal Manufacturing plant and is located in Somerton, Victoria.

The plant has been constructed on a 105 ha site and consists of approximately 35,000 m² of buildings and approximately 30,000 m² of external roads and hardstand pavement including very heavy duty forklift pavement for the storage and handling of steel coil.

DNM scope included design, documentation and observation of construction for civil, structural, services coordination and general arrangement drawings as well as the design and documentation of a wetland and habitat protection/restoration system to cater for a total catchment area of 132 ha inclusive of adjoining residential land.