Pipeline Transport

**Exclusions/References:** - Units mainly engaged in - (a) piping sewage through sewer systems are included in Class 2812 Sewerage and Drainage Services; - (b) constructing, repairing or maintaining gas mains are included in Class 3109 Other Heavy and Civil Engineering Construction; and - (c) water reticulation by mains are included in Class 2811 Water Supply. **Primary Activities:** - Pipeline operation for the transport of gas, oil and other material.