MET Tower Installation Slideshow
Transcript of MET Tower Installation Slideshow
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MET Tower Installation Techniques in Alaska
Alaska Energy AuthorityAlternative Energy and Energy Efficiency
Mia DevineReuben Loewen
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Presentation Overview• Introduction• General Installation Steps• Difficult Conditions• Summary
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Introduction• Site selection and approval
– Local governments, FWS, FAA, topography, vegetation, etc.
• Preparation, logistics, and planning– Limited resources at site? – Shipping the materials? – Time of year?
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General Installation Steps• Clear the site and measure anchor points
If you’re fortunate… If you’re not…
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General Installation Steps• Drive the anchor
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General Installation Steps• Lay out main tower:
sections attachments base plate
• Paint tower sections
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General Installation Steps• Horizontally assemble
tower sectionscollarsguy wiresgin pole
• Mount booms, sensors, sensor and ground wires
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General Installation Steps• Support and raise gin pole
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General Installation Steps• Final arrangement of booms and sensors
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General Installation Steps• Erect tower while controlling side guy wires
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General Installation Steps• Attach gin pole wires to anchor, and straighten
tower by adjusting guy wire tension
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General Installation Steps• Attach, wire, and configure data logger
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General Installation Steps• Clean-up and final check of site
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Difficult Conditions• Permafrost and anchors
– Drive anchors during summer– Contract a backhoe to bury them manually
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Difficult Conditions• Winter daylight hours shortened• Winter temperatures, protective clothing
complicate efforts
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Difficult Conditions• Broken or missing winch components• Expensive transportation of tools and
materials to job sites
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Summary• Installation of 30 m MET tower with instruments• Lack of resources, difficult locations require extensive
planning prior to installation
Photos Courtesy of Doug Vaught (V3 Energy, LLC), Hannah Manser, Mia Devine, and Zach Adam
Presentation Contacts:Mia Devine, Assistant Project Manager, AEAReuben Loewen, Project Manager, AEA