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Year of installation: 2011
Product: 282 m long AGRULINE large diameter HDPE 100 piping system
Dimension: OD 1200 mm SDR 11 (PN 16)
Medium: Potable Water
Installation method: Horizontal directional drilling (HDD)
AGRU has been contracted to supply large diameter HDPE pipes in PE 100 for a unique project in Australia. The 282 m long OD 1200 mm SDR 11 (PN 16) water main pipe was installed by horizontal directional drilling (HDD) underneath the Wyong River as part of the Mardi to Mangrove Link project.
The project was constructed by John Holland Group for GWC Water, which is a joint venture between adjoining councils on the Central Coastof NSW (New South Wales, Australien). GWC Water administers the 3rd largest urban water supply system in the state of NSW. AGRU worked closely with the local pipe welding contractor, Kenkar Plastics, in putting together a proposal for the HDD drilling contractor UEA Pty Ltd. The original design was a micro tunnel, utilizing MSCL (Mild Steel Concrete Lined) pipes. The project has been converted to directional drilling process using PE 100 pipes in order to eliminate the need for deep shafts, to reduce the risks associated with micro tunnelling in alluvial ground conditions as well as provide a reduction in project costs.
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