Jonishan was contracted by Enviropacific for the installation of stormwater pipelines at asciano’s site at Cemellia, situated on the south bank of the Parramatte River. The works associated in the contract were designed to prevent polluted groundwater from leaving site and entering the Parramatta River.
The project included supply and installation of stormwater works for a total length of 200m. DN450/525/750 RRJ Class 4 pipe was installed with a geosynthetic clay liner. Jonishan supplied and installed precast pit and grates, constructed a 2.3D x 2.0 x 1.0 manhole and supply 7 installed ECOSOL RFS 4450. Connection was to an existing system, connecting exoisting 2/525 to proposed 2.0 x 1.0m manhole.