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Melbourne Regional Landfill (MRL) Cell 4B1 & 4B3

Melbourne Regional

Landfill (MRL) Cell 4B1 & 4B3


Ravenhall VIC


Cleanaway Solid Waste Pty Ltd

Duration of Project

August 2018 – June 2019

Contract Value

$8 Million

Shamrock Civil Engineering was awarded the construction of Cell 4B1 & 4B3 at Melbourne Regional Landfill for Cleanaway Solid Waste Pty Ltd. Cell 4B1 & 3 involved the construction of a new landfill cell adjacent to the existing operating landfill facility in Ravenhall, Melbourne.

Scope of Work

  • 30,000m3 subgrade excavation and 70,000m3 subgrade filling
  • Placement of 60,000m3 compacted clay liner
  • Installation of geosynthetic lining system including 100,000m2 of geosynthetic clay liner (GCL); 100,000m2 of HDPE geo-membrane; 200,000m2 protection geo-textile (cushion) and 100,000m2 separation geo-textile
  • Reinforcing on batters
  • Protective drainage soils on batters
  • Supply and installation of leachate collection system including 3,000 lm of pipe and sump risers – 110mm/160mm dia, 50lm of 450mm diameter pipe,10,000m3 of protection soils
  • Installation of 30,000 m3 of drainage aggregate

Project Complications & Achievements

At the request of Cleanaway, Shamrock Civil accelerated the construction program multiple times, with tight deadlines successfully met. Shamrock Civil also provided works and services in other areas of the site to assist operations and help improve the site. Shamrock Civil successfully delivered this project with zero LTIs.