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Remediating Kerdiffstown Landfill site to Create a Community Park

Aerial render of a green space and park

Tetra Tech remediated a 30-hectare former landfill at Kerdiffstown, Co. Kildare by installing engineered capping, gas, and leachate control, enabling the building of a multi-use public park.

The full suite of services included in our commission were:

  • Project management: reporting, schedule management, risk management, cost management, stakeholder management
  • Procurement advice and services
  • Health and safety: Project Supervisor Design Stage (PSDP) and designers’ roles
  • Design: landfill engineering, civil, structural, geotechnical, mechanical and electrical, process, instrumentation, control and automation, architecture, landscape architecture
  • Ensure all remediation design complies with the principles of sustainability
  • Contract administration
  • Construction monitoring

The construction and remediation phase included the reprofiling of the waste body which was deposited on an area in excess of 30ha. During the construction stage, management of emissions such as odour, noise, vibration and dust, in compliance with the EPA licence, was critical. We provided a team of Resident Engineers, to monitor all stages of construction.

Due to the proximity of neighbours and adjacent landowners, stakeholder engagement was an essential element of the services. It was crucial to the success of the project to liaise regularly with the nearest neighbours to the site and the local community to ensure that the works did not impact them in a negative way.

Throughout the project there was a focus on sustainability, initially addressed through the implementation of green procurement criteria and carbon tracking. Green procurement criteria were used at the tender stage, rewarding contractors who demonstrated sustainable solutions and set out a green strategy to deliver the project.

The carbon footprint of the remediation works which was established during the design phase and tracked monthly during construction was minimised by:

  • Specifying reuse and recycling targets for key materials generated during the project
  • Sourcing suitable soils for use in the capping system within or close to the site
  • Maximising the reuse of crushed concrete materials through sustainable design of haul roads, trails, cycle paths and changing rooms
  • Recovering and re-using shredded tyres on-site to construct the all-weather astro pitches

Benefits

  • 30 hectare site
  • 16 acres of wildlife habitats
  • Less than 7km of internal roads, paths, and trails
  • 700m of local road upgrades including roundabout, cycle track and pedestrian footpaths.
  • 230,000m² of LLDPE geomembrane
  • 3,000,000m³ of waste capped
  • 11,396m³ of crushed concrete reused on site
  • 197,818 litres of potential rainwater harvesting per year

At a glance

Client

Kildare County Council

Location

Co. Kildare, Ireland

Services

Building control amendment regulations (BCAR), civil engineering, contract administration, execution of sampling and waste characterisation, geotechnical engineering, landfill engineering, mechanical and electrical engineering, project management, remediation, site supervision, structural engineering, sustainability, waste management

The project featured in this article was undertaken by RPS, A Tetra Tech Company and originally published on RPSgroup.com. In March 2026 RPS rebranded to Tetra Tech.

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