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The Mica Dam is an earth-filled dam in Western Canada.
Mica Dam Case Study
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Mica Dam Case Study

The Mica Dam is an earth-filled dam in Western Canada operated by BC Hydro. We supplied, installed, and commissioned an HVAC system within the generating station to ensure airflow and air quality remain acceptable during Turbine 5 and 6 construction activities.

Project Description

The Mica Dam is an earth-filled dam operated by BC Hydro. It is located on the Columbia River approximately 140 km north of Revelstoke, British Columbia. Mica is one of four dams that regulate the flow of the Columbia.

The Mica Generating Station consists of four generating units contained within an underground powerhouse adjacent to the dam. Mica has an installed generating capacity of 1,805 MW and was originally designed with the provision for two additional units. The underground powerhouse was the largest in the world at the time of its construction in 1973. Significant construction activities are now occurring at the Mica site as a part of the Turbine 5 and 6 projects. These units will add approximately 1000MW of additional capacity. When the project is completed, Mica will be BC Hydro's largest facility.

The supply, installation, and commissioning of a Heating, Ventilation, and Air Conditioning (HVAC) system was required within the generating station to ensure airflow and air quality remain acceptable during construction activities. The project was completed on a strict timeline with the operation of the generating station taking priority for the duration of the contract.

Sample Documents

Field Level Risk Assessment (FLRA), Tailboard Meeting, Confined Space Entry Permit - (790 KB JPG File)
Environmental Protection Plan - (780 KB JPG File)
Site Orientation, Managing Subcontractors - (466 KB JPG File)

BC Hydro Safety Management Audits

March 2011 BC Hydro Safety Audit - (616 KB Acrobat PDF File)
April 2011 BC Hydro Safety Audit - (653 KB Acrobat PDF File)
February 2011 BC Hydro Safety Commendation - (380 KB Acrobat PDF File)

Project Drawings

Sample Drawings - (837 KB JPG File)

Written Safe Work Procedures

Safe Work Procedure for Installation of 48 inch Duct to Rock Wall - (870 KB JPG File)
Safe Work Procedure for Installation of 30 inch Branch to Rock Wall - (865 KB JPG File)

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