Senwill Civil, formally Pettifor’s Civil has been operating since September 1992 in the Civil Construction Industry, we currently employ 45 people at our depot in Lonsdale. Our workforce is a group of highly motivated and skilled individuals that include a number of former SA Water / United Water & E&WS employees. Senwill has established itself as a major provider of quality infrastructure construction, with a focus on the Safety and Customer Service. We also self-perform Traffic Management, Bitumen Reinstatement and Hydro Excavation.

The following is a summary of the types of construction works we have successfully completed for SA Water, Local Government Authority and private clients.

  • New Water and Wastewater connection

  • Maintenance of the Water and Wastewater network.

  • Project Management and construction of complete Wastewater / STED (Septic Tank Effluent Drainage) gravity drainage systems.

  • Construction of wastewater pumping stations.

  • Construction of wastewater rising mains.

  • Construction of water reticulation systems in OPVC, DICL and MSCL pipe.

  • Construction of water pumping station and control valve installations.

  • Construction of storm water systems

  • Construction of residential sub divisions.

  • Maintenance work on storm water, wastewater and water systems.

  • Water and wastewater main augmentation for the Southern Expressway.

  • Mannum Waters Marina and Residential Sub Division


Senwill Management made a commitment to Quality, Health and Safety and the Environment by successfully creating and implementing management systems to meet the requirements of ISO9001, ISO45001and ISO14001 and maintained accreditation since 2013.