September 2010 - Present John Holland Water - Mardi-Mangrove Link Project WP07 Involves the installation of 9km of DN1000 sintakote SCL welded and RRJ pipes on the central coast. Includes peripheral scour valve and air valveinstallation. Working in both bush easement and along Yarramalong Road. This scope of works is for the installation of pressure main pipe work for the 19km DN1000 GRP Mardi-Mangrove transfer main: - Installation of DN1000 RRJ pipe, with various backfilling criteria
- Installation of DN1000 GRP Butt and Strapped pipe sections with various backfilling criteria
- Approximately 1820 meters of the Mardi - Mangrove Transfer Main will be installed in a 'share' trench alongside the Wyong - Mardi Rising Main
- Connection of the main to the Boomerang Creek Tunnel, including installation of all required pipes and fittings
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