This recent project was done for Sydney Water. The project was to construct an 818m sewer pipeline at Barry Road, Kellyville to the existing sewer infrastructure north of the site along Cattai Creek.

The horizontal drilling was approximately 482m long while 336m is open cut excavations through the terrain. With Construction of 11 Manholes, some being as deep as 9m in solid rock. 

The work site also included areas where the clearing of hollow bearing trees was needed. An ecologist was on site before the clearing works went ahead in order to identify the Darwinia biflora. The project was a success and completed within the original time frame specified.