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Reports and Studies

Golder Associates - Middle Colliery Dam Review - February 17, 2016

Golder Associates - Middle Colliery Dam Review - February 16, 2016

Golder Associates - Geotechnical Design Recommendations Auxiliary Spillway, Lower Colliery Dam - October 22, 2015

Herold Engineering - Colliery Dam - Structural 2015 - Notes - October 20, 2015

Golder Associates - Secant Caisson Wall Technical Specifications - October 19, 2015

Golder Associates - Secant Pile Wall Analysis Auxiliary Spillway, Lower Colliery Dam - October 19, 2015

Golder Associates - Auxiliary Spillway Preliminary Design Report - September 04, 2015

Golder Associates - Design Submission to Province of BC - August 10, 2015

Golder Associates - Auxilliary Spillway Options - July 8, 2015

Colliery Dams - Auxilliary Spillway Options – May 28, 2015

Golder Associates – Letter respecting Colliery Dams Summary of Lower Dam Hydraulic Modelling Methods – Mar. 9, 2015

Golder Associates - Letter respecting Colliery Dams Auxiliary Spillway - Conceptual Design, Jan. 16, 2015

Golder Associates – Letter respecting Colliery Dams Consequence Classification Nov 21, 2014

Golder Associates - Report on Dam Remediation Options

Golder Associates - Colliery Dams Hydrology, Hydraulics July 25, 2014

Golder Associates - Colliery Dams Risk Assessment July 25, 2014

Golder Associates - Stability Analysis July 25, 2014

Golder Associates - Middle and Lower Chase River Dams Progress Update Presentation May 20, 2014

Golder Associates - Middle and Lower Chase River Dams Progress Update Presentation May 12, 2014

Golder Associates - Nanaimo Colliery Dams Factual Report April 28, 2014

Golder Associates - Colliery Dam Middle and Lower Chase River Dams Dam Safety Analysis Presentation April 24, 2014

Golder Associates - Colliery Dam Risk Assessment April 24, 2014

Golder Associates - Colliery Dam Middle and Lower Chase River Dams Progress Update March 4, 2014

Golder Associates - Colliery Dam Risk Assessment March 4, 2014

Dam Safety Reviews for Middle & Lower Chase River Dams - February 28, 2014

Golder Associates - Colliery Dam Middle and Lower Chase River Dams Progress Update January 21, 2014

Golder Associates - Colliery Dam Risk Assessment January 21, 2014

Interim Mitigation Alternatives for the Chase River Dams (Inundation Study Update)

Report to Council - Middle and Lower Chase River Dams Short-Term Mitigation Plan

Letter from Klohn Crippen Berger - Re-Assessment of Options Middle and Lower Chase Dams

Report to City of Nanaimo and Snuneymuxw First Nation on Colliery Dams 30-day Process

Klohn Crippen Berger Conceptual Review of Overwinter Pumping Options

Klohn Crippen Berger Conceptual Costing of Rehabilitation and Replacement Options

Hatch Cost Estimate Peer Review Final Report

Klohn Crippen Berger Clarifications in Reponse to Hatch Peer Review

Klohn Crippen Berger 90% Complete Design Submission

Chase River Dam Breach Flood Inundation Study

Middle and Lower Chase River Dams Spillway Hydrology Study

Seismic Hazard Assessment Middle and Lower Chase Dams

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