DELTA can undertake any task related to pipe and underground systems. Recent projects include installing several community sewerage reticulation systems in Southland, and installing a 27km water pipeline in Dunedin’s north coast suburbs.

From large scale industrial and irrigation projects to residential and subdivision services, DELTA helps to maximise the service life of underground pipes and cables by using the latest techniques for inspection, cleaning, and replacement to help minimise disruptions and re-instatement costs.

Capabilities Design and build pipe systems Installation of water, wastewater, gas and other pipe systems Pipe-cracking; the simultaneous cracking of old pipes and pulling through of new pipes 24 hour drain/pipe cleaning Sump and septic tank service Closed-circuit TV for trenchless inspection of water, wastewater, gas and other pipe systems Installation and maintenance of power, telecommunications, and fibre-optic cables Fusion welding of polyethylene pipe Irrigation systems and distribution networks Trenchless pipe installation Pump stations Industrial and domestic plumbing		Resources Over 120 full time staff, including certified drain-layers Asphalt and concrete saws Pipe-laying lasers Specialist pipe testing equipment 2500psi jetting units for pipe cleaning Plate and tamping compactors Portable pumps and generators Gas detectors Pearpoint flexidata pipe reporting software to Hansen data systems Camera control and inspection units Directional drill Sheet piling