Northwest Transmission Line

The Northwest Transmission Line (NTL) runs over 344 kilometers and connects power from Terrace to near Bob Quinn Lake.

Silverwood’s Responsibilities for this project included:

• Clearing Layout- Boundaries were defined using the BCHydro clearance tables.  Silverwood laid out over 70km of clearing boundry during the Spring/Summer of 2011
• Stream Assessment s- every stream encountered was measured and  classified according to the  Ministry of Forests-Stream Classification System.
• Danger Tree Assessment- These trees were identified using the BC hydro Danger Tree Assessment tables
• Riparian Management Assessment- Riparian management areas were identified and classified using BCHydro standards. Appropriate  boundaries were laid out with each water body
• Road Layouts-Silverwood crews reconnaissance then traversed over 40 km of new roads for the NTL access.
• Road upgrades and prescriptions- Over 20 road upgrade prescriptions were completed to gain access to the tower sites
• Timber Appraisal and Valuation
• Guy Anchor Layout- Approximately 150 km’s and 600 towers of guy anchor layout was completed during the winter of 2012
• Mapping- Using ArcGIS all boundaries, riparian management zones, danger trees, streams, roads, culverts and wildlife habitat areas were mapped over the 70 km distance.