In Situ Francis Turbine Blade Replacement due to Gross Cavitation
In Situ Francis Turbine Blade Replacement due to Gross Cavitation
In Situ Francis Turbine Blade Replacement due to Gross Cavitation
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Elements and Considerations of the Business Case<br />
• Fac<strong>to</strong>rs discussed are not definitive of Mani<strong>to</strong>ba Hydro’s<br />
business position - represented as some of the project<br />
considerations<br />
• With the Powerhouse replacement project cancelled – a<br />
smaller project was envisaged<br />
• Business case prepared <strong>to</strong> repair/res<strong>to</strong>re limited units<br />
• Several runners are grossly cavitated and some with partial<br />
loss of blades/band damage<br />
• Several units were shut down for safety<br />
• Some units partially disassembled and or being repaired<br />
• Refurbishment is a multiple year multiple unit project including<br />
mechanical, electrical and structural elements<br />
• The business case focused on Unit 13<br />
<strong>In</strong> <strong>Situ</strong> <strong>Francis</strong> turbine <strong>Blade</strong> <strong>Replacement</strong> | NWHA Hood River| 2013-05-23<br />
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