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TAKE NOTICE that in accordance with The Builder's Lien Act and the SUPPLY OF CONSTRUCTION FOR TAILINGS COVERS - GUNNAR MINE SITE PROJECT AGREEMENT contract, early release of the holdback is intended to be made 40 clear days after the date of posting this Notice (October 19, 2017). For full details please see the Early Release of Holdback Notice.
The Gunnar Tailings Design Report and related appendices, as well as the Gunnar Other Site Aspects Preliminary Design Report, are available to download. Click here to download the report and the appendices. If you have any question about the report, please contact us.
The former Gunnar Mine site is located on the north shore of Lake Athabasca, approximately 25 kilometres southwest of Uranium City.
The mine operated from 1955-1963 and officially closed in 1964 with little to no decommissioning. During operation, the Gunnar Site consisted of:
- An open pit mine (over 100 m deep, 250 m x 300 m in size)
- An underground mine (600 m deep)
- A uranium mill (capacity of 2000 tonnes/day)
- Two acid plants
- Uranium processing buildings
- A community (including a number of residential, public, administrative and technical buildings)
- Approximately 4.4 million tonnes of tailings
- Approximately 2.2 to 2.7 million tonnes of waste rock
Demolition activities to-date have included:
- Extensive asbestos abatement of buildings
- Demolition of more than 80 buildings and structures
- Cleaning up site debris
- Constructing a barrier around the open pit
- Removing physical, chemical, radiological and biological hazards
- Completing asbestos abatement and demolishing remaining buildings, facilities and structures
- Disposing demolition debris
- Installing an appropriate cover on the exposed mill tailings
- Re-vegetating and conducting water treatment, as required
- Monitoring during and after remediation