£2million Plan For Closure At Landfill Site
Dounreay Site Restoration Ltd wants to restore an area of land designated as a rubble dump during the construction and operation phases of the site.
An estimated 70,000m3 of material from the construction and demolition of buildings was deposited in the area beyond the eastern perimeter of the site from 1960 or so.
The site, known as Landfill 42, was taken out of use in 2005 and needs to be restored under environmental and planning regulations.
This will involve repositioning approximately 16,000m3 of material and the construction of a new sea defence. A substantial impermeable membrane and an estimated 25,000 tonnes of rock will be used in the closure works.
The work is expected to cost £1-2 million and, subject to regulatory controls, is due for completion by the end of 2011.
Gas and groundwater monitoring will continue for a number of years after restoration until the licence can be surrendered to the Scottish Environment Protection Agency.
The landfill is known to contain hazardous materials, including metals, asbestos and minor radioactive pollution from ground excavation and building demolition work dating back to the 1960s and 1970s.
Phil Cartwright, contaminated land manager at DSRL, said extensive work had been carried out in recent years to characterise the facility.
"We studied several options for closure of the landfill and carefully considered the environmental impact of each," he said.
"We believe the facility can be left in a safe condition with the engineering measures identified in our closure application to the Scottish Environment Protection Agency."
The landfill is adjacent to ground now being developed as a site for the disposal of low-level radioactive waste from decommissioning the site.£2million Closure Plan For Landfill site
A pioneering Dounreay innovation has allowed the team taking apart the Prototype Fast Reactor to complete one of the final phases ready for demolition. The centre guide tube - which once housed the reactor's control and shutoff rods - was successfully raised from the reactor core, demonstrating that internal fixtures can be safely removed.
Dounreay welcomed Fergus Ewing MSP, Minister for Energy, Enterprise and Tourism to see the world leading decommissioning work taking place at the site. He also met with Andrew Wettern, business development director for Cavendish Nuclear, who was accompanying Hidehiro Segawa of Hitachi-GE Nuclear Energy on his knowledge sharing and fact finding visit to the site.
DSRL will be running a free workshop to train the supply chain on the new Complete Tender Management (CTM) system. The workshop will be held on Thursday February 20, 2014 at the North Highland College, Thurso from 1pm to 4pm.
Management at Dounreay are facing the challenge of how to accommodate additional work from the Nuclear Decommissioning Authority (NDA) whilst maintaining the same annual spend, the same Interim End State – and most importantly, the same priority on working safely and securely that the site is renowned for. The additional work has arisen because activities that were not sufficiently developed by the NDA at the time the competition was run in 2012 have now reached a state of maturity that allows them to be added to the existing programme of work.
DSRL will be holding a supply chain briefing to give an update on future procurement opportunities at Dounreay. This event will be held on Wednesday February 12, 2014 in The Weigh Inn Hotel, Thurso, starting at 14:00 hours.
Another pioneering in-house invention has allowed the PFR reactor dismantling team to complete one of the final phases of the reactor dismantling ready for final demolition. The centre guide tube was successfully raised from the reactor core, demonstrating that internal fixtures can be safely removed.
The Nuclear Decommissioning Authority recognised the role played by a Wick-based manufacturer at Dounreay in its national awards for the UK supply chain. Kongsberg Maritime Ltd supplied a camera capable of working in the harsh radiation environment inside the Dounreay Fast Reactor.
The last batch of higher activity liquid waste produced during Dounreay’s Materials Test Reactor (MTR) research reactor reprocessing history was cemented into a drum on 7 November 2013. It is an important milestone in the processing of the historic liquid waste created during the operation of Dounreay’s three reactors.
Tomorrow (15 November 2013) The Highland Council launches a public consultation on the Dounreay Planning Framework 2: Draft Supplementary Guidance. The Highland Council approved the existing Dounreay Planning Framework in January 2006, as a land use development brief against which to regulate and control future decommissioning and restoration works proposed at the former nuclear power research site at Dounreay, near Thurso in Caithness.
A report published on Tuesday 5th November 2013 underlines how much work remains to be done at Dounreay before the site can be left in a safe condition for future generations. The Office for Nuclear Regulation Chief Nuclear Inspector's annual report says its inspection of the site will be at an “enhanced level” because of the continuing presence of major radiological hazards.
[Printer Friendly Version]