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Field Applied Coatings (for FBE Mainline Coated...

SKU: GRI-05/0180
Field Applied Coatings (for FBE Mainline Coated Pipe) Evaluation

The project encompassed testing, in field and laboratory conditions, fifty-three, field-applied pipeline coating systems (PCS’s) currently used on girth welds of FBE-mainline-coated pipes. Typically PCS testing occurs in “controlled” environments which cannot replicate in-service conditions.
Document Type
Report
Report Type
Final Report
Report Period
06/02 - 03/05
Corporate Source
Gas Technology Institute, Des Plaiines, IL
Sponsor
Gas Research Institute, Des Plaiines, IL
Pagination
143p
Product Media
PDF Download
$295.00 / Each
 
Availability: In Stock
Summary:
The project encompassed testing, in field and laboratory conditions, fifty-three, field-applied pipeline coating systems (PCS’s) currently used on girth welds of FBE-mainline-coated pipes. Typically PCS testing occurs in “controlled” environments which cannot replicate in-service conditions. Traditional testing cannot subject PCS’s to the forces causing premature coating failures, such as rock impingement, the mass and curvature of the pipe, shrink / swell soil conditions and elevated temperatures in these various situations. The state-of-the-art field pipeline coating laboratory, developed specifically for this study, allowed rigorous and realistic testing. Pipeline coatings were tested under different soil conditions (clay, sandy, and rocky), on different pipe sizes (8" diameter) and (24" diameter), at ambient and elevated internal pipe temperatures (200F), with controlled moisture and drainage and a fully functional cathodic protection system. Rigorous inspection protocols ensured surface preparation, application, and inspection were performed properly, consistently, repeatable, and equally across all systems applied. Holding these variables constant allowed testing of the PCS material itself. Testing identified some coating systems, currently in use, that are not suitable for all soil types and fail prematurely even when applied to a properly-applied surface by skilled applicators. Testing also identified PCS’s that perform exceptionally in all conditions.
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