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Inert Waste Project

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More than 100,000 tonnes of waste is generated each year by local construction and demolition activity, excavations, and roads maintenance.

These materials - typically concrete, tarmac, bricks, stone and ceramics - are termed 'inert waste', because they do not readily react or decompose when exposed to the elements. Some of this material can be reused or recycled in other building projects.

There is now greater emphasis on taking steps to better manage and reduce this waste. 'Site Waste Management Plans' are now a requirement for medium and large construction projects. These set out how waste how waste will be minimised, reused or recycled.

However, prioritising waste reduction does not remove the need for a disposal option. The remainder has to be disposed of locally, and this is currently done by land reclamation.  The current facility at Longue Hougue is expected to be full around 2022, after which a new solution is required. 

Work has therefore begun to find an alternative site which would be funded from future inert waste disposal charges. 

Progress So Far

In 2016, a working party of various States Committees that have a role or interest in this topic reviewed a list of more than 50 potential solutions and sites. These included options from continuing coastal land reclamation, land-raising in low lying areas, infilling former quarries and facilitating an extension to Guernsey Airport's runway.

These were assessed against various criteria, such as practicality, capacity, value for money, potential for future uses, and environmental factors. This was completed in consultation with key stakeholders, including the local construction industry and local environmental and conservation groups. A shortlist of five options was produced. These were:

The interactive map below shows these shortlisted and discounted sites with justifications for these decisions. 

Inert Waste Inline Image This link opens in a new browser window 

In 2017 the States' Trading Supervisory Board and the Committee for the Environment & Infrastructure submitted a joint policy letter proposing that an extension to the current land reclamation site at Longue Hougue was the best practical environmental option.

Permission was granted to proceed with further design and analysis, beginning with a more detailed Environmental Impact Assessment (EIA).    

Longue Hougue 2016

An Environmental Impact Assessment of Longue Hougue South

Royal Haskoning DHV were commissioned to conduct the Environmental Impact Assessment (EIA) which begun in 2018. It assessed the possible impacts of the potential construction and operation of the site including a range of factors such as biodiversity, coastal processes, hydrogeology, landscape and air quality.  The EIA process included consultation with technical subject experts and local experts.

The EIA was completed in November 2019. An Environmental Statement detailing the findings of the EIA and a non-technical summary can be found on the right hand side of this page.   

Royal Haskoning DHV and the inert waste project team are presenting these findings to technical experts, parish Douzaines, the building and construction industry and the public in November.

Next Steps

A policy letter is planned to be submitted to the States in early 2020 to request that a Local Planning Brief is initiated, supported by the findings of the EIA.  

Any development would then be subject to a Planning Inquiry and an Outline Business Case before final approval by the States. It is expected any future site would be ready by 2024.

Downloads

A brief guide to the Inert Waste Strategy Inert Waste Strategy Intial Options Report Map of potential Inert Waste Sites Inert Waste Policy Letter- 2017 Longue Hougue South EIA Scoping Document Non-Technical Summary Longue Hougue South EIA Draft Scoping Document February 2019 Timeline and Next Steps Longue Hougue South Environmental Impact Assessment- Environmental Statement Longue Hougue South Environmental Impact Assessment Non-technical Summary Longue Hougue South EIA Presentation Environmental Statement Appendices 1/12 Environmental Statement Appendices 2/12 Environmental Statement Appendices 3/12 Environmental Statement Appendices 4/12 Environmental Statement Appendices 5/12 Environmental Statement Appendices 6/12 Environmental Statement Appendices 7/12 Environmental Statement Appendices 8/12 Environmental Statement Appendices 9/12 Environmental Statement Appendices 10/12 Environmental Statement Appendices 11/12 Environmental Statement Appendices 12/12

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