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IEEE Project

2445 - Standard Practice for Inspection and Assessment of Below Grade and Groundline Corrosion on Weathering Steel on Electrical Transmission and Distribution Structures

The purpose is to provide a standard practice document for use by electric utilities to inspect and assess corrosion of weathering steel on in-service transmission, distribution and substation structures. More specifically, the purpose of this document is to provide procedures for the use of common inspection practices and technology on weathering steel structures below grade. This includes: (a) assessment of historical data to categorize inspection priority; (b) below-grade inspection and assessment to categorize structures by level of condition; (c) site-specific environmental factors and soil conditions; (d) evaluation of existing repairs; (e) assessment of foundation anchors and associated hardware; and (f) detection of stray currents.
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