PNP provided APA Group with welding supervision services during the construction and tie-in of a 3.8 km, 450NB, Class 600 natural gas pipeline that increases the capacity of the existing Dandenong to Crib Point Pipeline system. The pipeline runs from a hot tap off take on the existing 300NB pipeline and reconnects via a hot tap to the existing 300NB pipeline. This section was the first stage of a general augmentation of the Dandenong to Crib Point Pipeline to increase capacity in the pipeline system servicing the Mornington Peninsula region, to deal with increased winter demand.