S&T Project 22024 Interim Report: Learning from the Past, Inspection of Historic Penstock Lining Field Trials; Shasta Penstocks and Collbran Siphon
Corrosion protection is fundamental to achieve infrastructure longevity. Coatings are the primary defense against corrosion. The Bureau of Reclamation began a field study in 1949 at Shasta Dam Unit 5 Penstock. Originally 26 different linings were installed in the field trial, seventy years later a detailed inspection was conducted in 2019, seven linings were still providing corrosion protection. Additionally in 2009, spot repairs were conducted due to failed coal tar enamel using a 100% solids epoxy and was in excellent condition after 10 years of service. Each lining was evaluated using Electrochemical Impedance Spectroscopy (EIS) to determine the barrier properties.
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RISE Item Details Page URL for "S&T Project 22024 Interim Report: Learning from the Past, Inspection of Historic Penstock Lining Field Trials; Shasta Penstocks and Collbran Siphon"
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PDF File for "S&T Project 22024 Interim Report: Learning from the Past, Inspection of Historic Penstock Lining Field Trials; Shasta Penstocks and Collbran Siphon"
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| accrualPeriodicity | irregular |
| bureauCode |
[ "010:10" ] |
| contactPoint |
{ "fn": "RISE Team", "@type": "vcard:Contact", "hasEmail": "mailto:data@usbr.gov" } |
| description | Corrosion protection is fundamental to achieve infrastructure longevity. Coatings are the primary defense against corrosion. The Bureau of Reclamation began a field study in 1949 at Shasta Dam Unit 5 Penstock. Originally 26 different linings were installed in the field trial, seventy years later a detailed inspection was conducted in 2019, seven linings were still providing corrosion protection. Additionally in 2009, spot repairs were conducted due to failed coal tar enamel using a 100% solids epoxy and was in excellent condition after 10 years of service. Each lining was evaluated using Electrochemical Impedance Spectroscopy (EIS) to determine the barrier properties. |
| distribution |
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| identifier | https://datainventory.usbr.gov/rise/item/128547 |
| keyword |
[ "Collbran Project", "Corrosion Protection", "Equivalent Circuit Model (ECM)", "Field Electrochemical Impedance Spectroscopy (EIS) Testing", "Historic Linings", "Salt Creek Siphon", "Shasta Dam" ] |
| landingPage | https://data.usbr.gov/catalog/7990/item/128547 |
| modified | 2023-11-14T22:46:38Z |
| publisher |
{ "name": "Bureau of Reclamation", "@type": "org:Organization" } |
| spatial |
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| title | S&T Project 22024 Interim Report: Learning from the Past, Inspection of Historic Penstock Lining Field Trials; Shasta Penstocks and Collbran Siphon |
