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GNWT-INF (Beaufort Delta) - G24L8-003

​Culvert replacement at km 266.1 Dempster Highway #8. 

A new 3000 mm by 53.3 m culvert will be installed on the unnamed creek via a trenchless installation methodology, and the existing 2500 mm diameter culvert shall be decommissioned via grouting. The project will involve rerouting the creek at the crossing location to accommodate flow through the new culvert and avoid potential erosion and further degradation of the existing culvert. A tunnel boring machine machine will be used, which requires land use outside the highway right of way on Gwich'in Private Lands and Territorial Lands. See also Licence G24L8-003.


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6. Management Plans
Assorted Management Plans
Document Received/Sent Uploaded
GNWT-INF - Dempster Culverts km 266.1 - Environmental Protection Plan - Jul12_24.pdf (2.79 MB)
Engagement Plan
Document Received/Sent Uploaded
GNWT-INF - Dempster Culverts km 266.1 - Engagement Plan and Record - Jul12_24.pdf (496.81 KB)
Spill - Contingency - Emergency Response
Document Received/Sent Uploaded
GNWT-INF - Dempster Culverts km 266.1 - Spill Contingency Plan - Jul12_24.pdf (425.99 KB)
Waste Management Plan
Document Received/Sent Uploaded
GNWT-INF - Dempster Culverts km 266.1 - Waste Management Plan - Jul12_24.pdf (692.68 KB)