Geotechnical TSX VENTURE EXCHANGE: NTC A WORLD CLASS TUNGSTEN - - PowerPoint PPT Presentation

TSX VENTURE EXCHANGE: NTC A WORLD CLASS TUNGSTEN COMPANY

Geotechnical

TSX VENTURE EXCHANGE: NTC A WORLD CLASS TUNGSTEN COMPANY

• Review of existing information.
• Geotechnical investigation and instrumentation of

existing structures.

• Stability analyses of structures according to CDA

Guideline (2007).

• Closure design and surface water management.
• Review and approval.
• Construction.

Physical Stability of Tailings Dams Upon Closure : Work Plan

TSX VENTURE EXCHANGE: NTC A WORLD CLASS TUNGSTEN COMPANY

Conceptual Groundwater Flow, TP 3 & 4

TSX VENTURE EXCHANGE: NTC A WORLD CLASS TUNGSTEN COMPANY

• Piezometer locations
• Review of piezometer data.
• Water elevations used for slope stability

assessment.

• Trigger levels.

Tailings Pond 4 : Groundwater Elevations

TSX VENTURE EXCHANGE: NTC A WORLD CLASS TUNGSTEN COMPANY

• Review of existing information.
• Survey of Flat River profile from upstream of TP1

to downstream of TP3.

• Analytical work for design flood condition.
• Design of erosion protection measures.
• Review and approval.
• Construction.

Flat River Hydraulics and Flood Protection : Work Plan

TSX VENTURE EXCHANGE: NTC A WORLD CLASS TUNGSTEN COMPANY

• Review of existing geochemical information and

cover performance for TP1 and TP2.

• Develop tailings cover design objectives.
• Cover and surface water management design.
• Review and approval.
• Construction.
• Performance monitoring.

Tailings Cover Design : Work Plan