Closed Landfill Site Management, Monitoring and Maintenance CPU I-0578

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About this contract

Oxfordshire County Council (the Council) are looking to continue the outsourcing of the management, monitoring and maintenance of up to ten closed landfills within Oxfordshire, for an initial three year period, with the possibility to extend for a further two years. This contract is required in order to ensure the Council can fulfil its legal obligations under the Environmental Permitting Regulations and other applicable statutes and ensure sufficient environmental control and aftercare of former landfill sites. The Council has a statutory duty to undertake environmental monitoring at three sites - Alkerton, near Banbury; Oakley Wood near Wallingford and Dean Pit near Chipping Norton. These three sites and an older site at Stanford-in-the-Vale include environmental controls/infrastructure for the management of landfill gas and leachate, this includes the use of landfill gas flares, passive gas vents, leachate pumps and leachate storage lagoon/tanks. Because of these factors and although the site at Stanford is not regulated under an Environmental Permit, these four 'Core Sites' will form the main basis of the contract. A further six sites across Oxfordshire are routinely monitored but there is no specific statutory duty to do so and the contract will allow for the frequency and intensity of monitoring at these sites to be varied or for monitoring at any of these sites to be ceased. 2.4. The Services required include the following key elements: 1. Environmental Monitoring: Monitoring and analysis of routine gas, leachate, groundwater & surface water points. 2. Equipment Maintenance: Routine flare checks and maintenance; gas field balancing and routine leachate pump checks and maintenance; 3. Reporting and Inspections: Data reporting and interpretation of routine monitoring results, highlighting any anomalies and issues which may need attention; annual data review and interpretation, including trend analysis. Tenderers are invited to tender for the provision of the Services described at Appendix 1 Specification for a term of 3 years with an option for the Council to extend for up to 2 years, anticipated to commence on 1st April 2020.

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