Gibson Bros have recently completed works to East Galway Land Fill Site, the works were conducted over a 4 year period and included the development of two new landfill cells and subsequently the capping and landscaping of the site.
The works included the supply & placement of circa 100,000 m2 of lldpe liner, subsoil liner and topsoil as well as the following ancillary works:
- Access Roads
- Groundwater infrastructure
- Modification and extension of existing drainage
- M & E works for groundwater and leachate pumping within the cells.
- Construction of two new Engineered Cells 8A and 9A
- Excavation and construction of berms to Cells
- Drainage stone and collection pipe system and side risers for ground water pumps
- Engineered bentonite enhanced clay barrier using imported materials
- HDPE liner
- Geotextile protection layer and stone drainage layer
- Leachate collection pipework and associated cell side risers
- Installation of utilities: telemetry and power ducting and new groundwater main
- Engineered cap installed in 4 separate phases including
- Modification of existing wells to receive new well heads
- Installation of gas collection geocomposite and pipework
- Installation of LLDPE liner
- Installation of subsurface drainage geocomposite and associated pipework infrastructure
- Installation of gas/leachate pipework
- Subsoil, Topsoil and seeding
- Installation of surface water swales
- Installation of site access roads
- Installation of new telemetry and power ducts
- M&E works comprising new groundwater and leachate pumps, associated cables and switchgear
- Landscaping
