{"id":728,"date":"2019-11-06T10:12:14","date_gmt":"2019-11-06T10:12:14","guid":{"rendered":"https:\/\/ptrotek.com\/index.php\/pipeline-wrapping-and-coating-specification\/"},"modified":"2026-09-09T18:53:51","modified_gmt":"2026-09-09T10:53:51","slug":"pipeline-wrapping-and-coating-specification","status":"publish","type":"page","link":"https:\/\/ptrotek.com\/index.php\/pipeline-wrapping-and-coating-specification\/","title":{"rendered":"Pipeline Wrapping and Coating Specification"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"728\" class=\"elementor elementor-728\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3972f7b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3972f7b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div 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hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/industrial-third-party-inspection-services\/\" class = \"hfe-sub-menu-item\">Industrial Third Party Inspection Services: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-970\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/inspection-and-test-plan\/\" class = \"hfe-menu-item\">Inspection and Test Plan<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-832\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a 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\"hfe-sub-menu-item\">Inspection Scope<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-876\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/piping-inspection\/\" class = \"hfe-menu-item\">Piping Inspection<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-836\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/piping-and-equipment-cleaning-specification\/\" class = \"hfe-sub-menu-item\">Piping and Equipment Cleaning Specification<\/a><\/li>\n\t<li id=\"menu-item-846\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a 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class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/pump-guides-and-reviews\/\" class = \"hfe-sub-menu-item\">Pump Guides and Reviews<\/a><\/li>\n\t<li id=\"menu-item-827\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/pump-impeller-dynamic-balancing\/\" class = \"hfe-sub-menu-item\">Pump Impeller Dynamic Balancing<\/a><\/li>\n\t<li id=\"menu-item-826\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/pump-mechanical-run-test\/\" class = \"hfe-sub-menu-item\">Pump Mechanical Run Test<\/a><\/li>\n\t<li id=\"menu-item-825\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/pump-net-positive-suction-head-test-npsh-test\/\" class = \"hfe-sub-menu-item\">Pump Net Positive 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hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/quality-control-manual-for-contractors\/\" class = \"hfe-sub-menu-item\">Quality Control Manual for Contractors<\/a><\/li>\n\t<li id=\"menu-item-951\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/quality-control-forms\/\" class = \"hfe-sub-menu-item\">Quality Control Forms<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-938\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/vessel-pressure-testing\/\" class = \"hfe-menu-item\">Vessel Pressure Testing: Design, Fabrication &amp; Inspection Guide<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul 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hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/pressure-vessel-dimension-inspection\/\" class = \"hfe-sub-menu-item\">Pressure Vessel Dimension Inspection: Design, Fabrication &amp; Inspection Guide<\/a><\/li>\n\t<li id=\"menu-item-909\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/pressure-vessel-heads\/\" class = \"hfe-sub-menu-item\">Pressure Vessel Heads: Design, Fabrication &amp; Inspection Guide<\/a><\/li>\n\t<li id=\"menu-item-930\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/pressure-vessel-inspections\/\" class = \"hfe-sub-menu-item\">Pressure Vessel Inspections: Design, Fabrication &amp; Inspection Guide<\/a><\/li>\n\t<li id=\"menu-item-928\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a 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href=\"https:\/\/ptrotek.com\/index.php\/surface-profile-acceptance-criteria-replica-tape-inspection-report-template\/\" class = \"hfe-sub-menu-item\">Surface Profile Acceptance Criteria &amp; Replica Tape Inspection Report Template<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-1524\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-comprehensive-surveillance-quality-verification\/\" class = \"hfe-menu-item\">Third Party Inspection: Comprehensive Surveillance &amp; Quality Verification<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-967\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-independent-inspection\/\" class = \"hfe-sub-menu-item\">Third Party Independent Inspection: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<li id=\"menu-item-960\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-expediting\/\" class = \"hfe-sub-menu-item\">Third Party Inspection Expediting: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<li id=\"menu-item-834\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-for-centrifugal-compressor-procedure\/\" class = \"hfe-sub-menu-item\">Third Party Inspection for Centrifugal Compressor \u2013 Procedure<\/a><\/li>\n\t<li id=\"menu-item-866\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-for-fire-tube-boiler-procedure\/\" class = \"hfe-sub-menu-item\">Third Party Inspection for Fire Tube Boiler \u2013 Procedure<\/a><\/li>\n\t<li id=\"menu-item-823\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-for-centrifugal-pump-procedure\/\" class = \"hfe-sub-menu-item\">Third Party Inspection for Centrifugal Pump \u2013 Procedure<\/a><\/li>\n\t<li id=\"menu-item-879\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-for-fin-tube-heat-exchanger\/\" class = \"hfe-sub-menu-item\">Third Party Inspection For Fin Tube Heat Exchanger: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<li id=\"menu-item-959\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-for-material-stamp\/\" class = \"hfe-sub-menu-item\">Third Party Inspection For Material Stamp: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<li id=\"menu-item-929\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-for-pressure-vessel-procedure\/\" class = \"hfe-sub-menu-item\">Third Party Inspection For Pressure Vessel Procedure: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<li id=\"menu-item-874\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-for-storage-tank\/\" class = \"hfe-sub-menu-item\">Third Party Inspection For Storage Tank: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<li id=\"menu-item-869\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-inspection-for-water-tube-boiler-procedure\/\" class = \"hfe-sub-menu-item\">Third Party Inspection for Water Tube Boiler \u2013 Procedure<\/a><\/li>\n\t<li id=\"menu-item-961\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/third-party-quality-inspection\/\" class = \"hfe-sub-menu-item\">Third Party Quality Inspection: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<li id=\"menu-item-968\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/3rd-party-shop-inspection\/\" class = \"hfe-sub-menu-item\">3rd Party Shop Inspection: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-1529\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/welding-inspection\/\" class = \"hfe-menu-item\">Welding Inspection: Engineering Principles &amp; AWS\/ASME Requirements<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-843\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/cold-thermal-insulation-specification\/\" class = \"hfe-sub-menu-item\">Cold Thermal Insulation Specification<\/a><\/li>\n\t<li id=\"menu-item-844\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/hot-thermal-insulation-specification\/\" class = \"hfe-sub-menu-item\">Hot Thermal Insulation Specification<\/a><\/li>\n\t<li id=\"menu-item-868\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/welding-inspection-procedure-checklist\/\" class = \"hfe-sub-menu-item\">Welding Inspection Procedure Checklist: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-859\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-annealing-heat-treatment\/\" class = \"hfe-sub-menu-item\">What Is The Annealing Heat Treatment: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-849\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-arithmetic-average-roughness-height\/\" class = \"hfe-sub-menu-item\">What Is The Arithmetic Average Roughness Height: Surface Preparation &amp; Coating Inspection Guide<\/a><\/li>\n\t<li id=\"menu-item-925\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-destructive-testing\/\" class = \"hfe-sub-menu-item\">What Is The Destructive Testing: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-922\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-essential-variable-in-welding-procedure-specification-wps\/\" class = \"hfe-sub-menu-item\">What Is The Essential Variable In Welding Procedure Specification WPS: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-924\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-ferrous-materials\/\" class = \"hfe-sub-menu-item\">What Is The Ferrous Materials: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-915\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-group-number-in-welding\/\" class = \"hfe-sub-menu-item\">What Is The Group Number In Welding: Engineering Principles &amp; AWS\/ASME Requirements<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-908\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-a-number-in-welding-procedure-specification\/\" class = \"hfe-sub-menu-item\">What Is The A Number In Welding Procedure Specification: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t\t<li id=\"menu-item-916\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-f-number-in-welding-procedure-specification\/\" class = \"hfe-sub-menu-item\">What Is The F Number In Welding Procedure Specification: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t\t<li id=\"menu-item-918\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/p-number-in-welding\/\" class = \"hfe-sub-menu-item\">P Number In Welding: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-857\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-metal-cold-working\/\" class = \"hfe-sub-menu-item\">What Is Metal Cold Working: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-852\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-metal-hot-working\/\" class = \"hfe-sub-menu-item\">What Is The Metal Hot Working: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-926\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-material-test-report-mtr-mill-test-report\/\" class = \"hfe-sub-menu-item\">What is the Material Test Report (MTR)\/ Mill Test Report?<\/a><\/li>\n\t<li id=\"menu-item-886\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-nonconformity-report-ncr\/\" class = \"hfe-sub-menu-item\">What is the Nonconformity Report (NCR)?<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-904\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/dye-penetrant-inspection-procedure\/\" class = \"hfe-sub-menu-item\">Dye Penetrant Inspection Procedure<span class='hfe-menu-toggle sub-arrow hfe-menu-child-2'><i class='fa'><\/i><\/span><\/a><\/div>\n\t\t<ul class=\"sub-menu\">\n\t\t\t<li id=\"menu-item-898\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/dry-film-thickness-based-on-sspc-pa-2\/\" class = \"hfe-sub-menu-item\">Dry Film Thickness Based On SSPC Pa 2: Surface Preparation &amp; Coating Inspection Guide<\/a><\/li>\n\t\t<\/ul>\n<\/li>\n\t\t<li id=\"menu-item-903\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/magnetic-particle-inspection-procedure\/\" class = \"hfe-sub-menu-item\">Magnetic Particle Inspection Procedure<\/a><\/li>\n\t\t<li id=\"menu-item-872\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/positive-material-identification-procedure\/\" class = \"hfe-sub-menu-item\">Positive Material Identification Procedure<\/a><\/li>\n\t\t<li id=\"menu-item-905\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/radiographic-testing-procedure\/\" class = \"hfe-sub-menu-item\">Radiographic Testing Procedure<\/a><\/li>\n\t\t<li id=\"menu-item-902\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/ultrasonic-testing-procedure\/\" class = \"hfe-sub-menu-item\">Ultrasonic Testing Procedure<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-906\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-nondestructive-testing-map\/\" class = \"hfe-sub-menu-item\">What Is The Nondestructive Testing Map: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-920\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-nonessential-variable-in-welding-procedure-specification\/\" class = \"hfe-sub-menu-item\">What Is The Nonessential Variable In Welding Procedure Specification: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-851\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-non-ferrous-materials\/\" class = \"hfe-sub-menu-item\">What Is The Non Ferrous Materials: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-850\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-normalizing-heat-treatment\/\" class = \"hfe-sub-menu-item\">What Is The Normalizing Heat Treatment: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-884\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-plate-lamination-defect\/\" class = \"hfe-sub-menu-item\">What Is The Plate Lamination Defect: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-858\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-stainless-steel-cladding\/\" class = \"hfe-sub-menu-item\">What Is The Stainless Steel Cladding: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-919\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-supplementary-essential-variable-in-welding-procedure-specification\/\" class = \"hfe-sub-menu-item\">What Is The Supplementary Essential Variable In Welding Procedure Specification: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-856\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-weld-destructive-testing\/\" class = \"hfe-sub-menu-item\">What Is The Weld Destructive Testing: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-907\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-welding-map\/\" class = \"hfe-sub-menu-item\">What Is The Welding Map: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-917\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-welding-performance-qualification-wpq\/\" class = \"hfe-sub-menu-item\">What Is The Welding Performance Qualification WPQ: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-921\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-welding-procedure-qualification-record-pqr\/\" class = \"hfe-sub-menu-item\">What Is The Welding Procedure Qualification Record PQR: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n\t<li id=\"menu-item-923\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/what-is-the-welding-procedure-specification-wps\/\" class = \"hfe-sub-menu-item\">What Is The Welding Procedure Specification WPS: Engineering Principles &amp; AWS\/ASME Requirements<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-1535\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/other\/\" class = \"hfe-menu-item\">Other<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-875\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/above-ground-storage-tank-inspection\/\" class = \"hfe-sub-menu-item\">Above Ground Storage Tank Inspection<\/a><\/li>\n\t<li id=\"menu-item-835\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/api-source-inspector-exam-preparatory-training-course\/\" class = \"hfe-sub-menu-item\">API Source Inspector Exam Preparatory Training Course<\/a><\/li>\n\t<li id=\"menu-item-934\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/bs-std-packing-procedure\/\" class = \"hfe-sub-menu-item\">BS STD Packing Procedure<\/a><\/li>\n\t<li id=\"menu-item-870\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/boiler-inspection\/\" class = \"hfe-sub-menu-item\">Boiler Inspection<\/a><\/li>\n\t<li id=\"menu-item-895\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/chloride-testing-bresle-bresle-patch-method\/\" class = \"hfe-sub-menu-item\">Chloride Testing Bresle Bresle Patch Method: Surface Preparation &amp; Coating Inspection Guide<\/a><\/li>\n\t<li id=\"menu-item-897\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/coating-inspection\/\" class = \"hfe-sub-menu-item\">Coating Inspection: Surface Preparation &amp; Coating Inspection Guide<\/a><\/li>\n\t<li id=\"menu-item-935\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/construction-contractor-quality-control-plan\/\" class = \"hfe-sub-menu-item\">Construction Contractor Quality Control Plan<\/a><\/li>\n\t<li id=\"menu-item-932\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/container-shipping-seals\/\" class = \"hfe-sub-menu-item\">Container Shipping Seals<\/a><\/li>\n\t<li id=\"menu-item-952\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/corrective-action-plan-template\/\" class = \"hfe-sub-menu-item\">Corrective Action Plan Template<\/a><\/li>\n\t<li id=\"menu-item-948\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/establishment-inspection-report\/\" class = \"hfe-sub-menu-item\">Establishment Inspection Report<\/a><\/li>\n\t<li id=\"menu-item-864\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/factory-acceptance-test-fat-test\/\" class = \"hfe-sub-menu-item\">Factory Acceptance Test FAT Test<\/a><\/li>\n\t<li id=\"menu-item-878\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/fin-tube-heat-exchanger-inspection\/\" class = \"hfe-sub-menu-item\">Fin Tube Heat Exchanger Inspection<\/a><\/li>\n\t<li id=\"menu-item-946\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/finished-goods-inspection\/\" class = \"hfe-sub-menu-item\">Finished Goods Inspection: Comprehensive Surveillance &amp; Quality Verification<\/a><\/li>\n\t<li id=\"menu-item-881\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/heat-exchanger-inspection\/\" class = \"hfe-sub-menu-item\">Heat Exchanger Inspection<\/a><\/li>\n\t<li id=\"menu-item-860\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/ptrotek.com\/index.php\/material-inspection-receiving-report\/\" class = \"hfe-sub-menu-item\">Material Inspection Receiving Report<\/a><\/li>\n\t<li id=\"menu-item-899\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a href=\"https:\/\/ptrotek.com\/index.php\/paint-inspection-and-test-plan\/\" class = \"hfe-sub-menu-item\">Paint Inspection And Test Plan: Surface Preparation &amp; Coating Inspection Guide<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul 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class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fcf723 elementor-widget elementor-widget-page-title\" data-id=\"9fcf723\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"page-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\n\t\t<div class=\"hfe-page-title hfe-page-title-wrapper elementor-widget-heading\">\n\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/ptrotek.com\">\n\t\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">\n\t\t\t\t\t\t\t\t\n\t\t\t\tPipeline Wrapping and Coating Specification  \n\t\t\t<\/h1 > \n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93f5cf8 elementor-hidden-tablet elementor-hidden-phone elementor-widget elementor-widget-spacer\" data-id=\"93f5cf8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-47786790 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"47786790\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7089655e\" data-id=\"7089655e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-547cb70f elementor-widget elementor-widget-text-editor\" data-id=\"547cb70f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\n<p class=\"wp-block-paragraph\">Following content provides a sample Pipeline Wrapping and Coating Specification and indicates important inspection and testing requirements.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Cleaning @ Pipeline Wrapping and Coating Specification<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1.1.1 External surface of pipe shall be cleaned before initial priming by blast&nbsp;cleaning (Sa 21\/2) and the minimum surface finish for blast cleaning shall be&nbsp;as per SIS 055900.1 or any specified standard by client.<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.1.2 The cleaning process shall remove all oil grease, weld slag, rust and any&nbsp;other foreign matter from the pipe external surface.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.1.3 The applied cleaning method shall not result thinning of the pipe wall beyond&nbsp;the limits of the pipe specification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.1.4 Cleaning shall be carried out immediately before application of the priming&nbsp;coat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.1.5 Piping shall not be carried out under damp or frosty condition unless&nbsp;approved means of heating and drying of pipes are used. Any pipe that has&nbsp;become wet after cleaning and priming, or stood overnight before wrapping&nbsp;shall be re-cleaned to the required standard and re-primed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.1.6 The primer shall be applied in a thin layer without runs, sags, drips, holidays&nbsp;(gaps or voids) or other defects. Should any defects be found in the primed&nbsp;surface, the pipe shall be re-cleaned and primed to the required standard&nbsp;and to the satisfaction of principal\/engineer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.1.7 Freshly primed pipe shall be properly supported on racks, and allowed to be&nbsp;uncontaminated by moisture, dirt or other foreign matter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.2 COATING SYSTEM (WRAPPING)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.2.1 The protective wrapping shall consist of a coating system employing primer,&nbsp;laminated inner tape wrap and outer wrap.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.2.2 The laminated inner tape wrap shall be butyl rubbed on polyvinyl chloride&nbsp;backing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.2.3 The outer tape wrap shall be polyvinyl chloride white in color. For normal&nbsp;application, the outer wrap thickness shall be 0.81 mm. In rocky ground and&nbsp;where specified the outer wrap thickness shall be 1 mm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Material @&nbsp;Pipeline Wrapping and Coating Specification<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Materials shall be supplied from the same Vendor and consist of the followings:<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.1 PRIMER<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primer shall be a fast-drying compound, compatible with the laminated tape&nbsp;suitably compound to produce a liquid coating material that can be readily&nbsp;applied cold by brushing or spraying to produce an effective bond between the&nbsp;bare pipe surface and the subsequent coat of laminated tape. It shall be free&nbsp;flowing at the application temperature ranges and have the ability to cover voids,&nbsp;pits and welds, and shall be resistive to fungi bacteria.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The physical properties of primer shall be as followings:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Adhesion to pipe Inseparable<\/li><li>Adhesion to tape Inseparable<\/li><li>Application temperature (\u00b0C) -20 to 60<\/li><li>Operating temperature (\u00b0C) -20 to 60<\/li><li>Drying time (minute at 20\u00b0C) 10 max.<\/li><li>Solids content (%) 20 to 50<\/li><li>Viscosity at 20\u00b0C (CP) 100 to 300<\/li><li>Flash point (\u00b0C) 20 approx.<\/li><li>Application rate (m2\/lit) 8 approx.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2.2 INNER WRAP<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A laminated tape consists of two layers as followings:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Inner layer of butyl rubber to bond to the primer, referred to as&nbsp;&#8220;Adhesive&#8221;.<\/li><li>Outer layer of polyethylene referred to as &#8220;Backing&#8221;.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The laminated plastic tape shall have a backing of stabilized polyethylene and a&nbsp;primer activated adhesive mass of butyl rubber. The whole tape shall be&nbsp;resistant to bacterial, fungi, vegetable and different salt solution presenting in the&nbsp;ground.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It shall be suitable for line travel application and shop coating with wrapping&nbsp;machine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The physical properties of the inner wrap shall be as followings:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Butyl rubber thickness (mm) 0.2 min.<\/li><li>Backing thickness (mm) 0.4 min.<\/li><li>Total thickness (mm) 0.6 min.<\/li><li>Tensile strength (N\/mm 2) 18 min.<\/li><li>Elongation (%) 100-300<\/li><li>Tear resistance (N\/mm) 1.0 min.<\/li><li>Impact resistance (Nm) (55 % overlap) 8 min.<\/li><li>Adhesion (N\/cm) 20 min.<\/li><li>Dielectric strength (KV\/mm) 40 min.<\/li><li>Insulation resistance (M\u03a9) 106 min.<\/li><li>Cathodic disbandment. 30 days (mm 2) minimal<\/li><li>Water\/Vapour permeability (g\/m2\/24hr) BS-2782 3 max.<\/li><li>Water absorption (%) ASTM D-570-77 0.1 max.<\/li><li>Application temperature (\u00b0C) -20 to 60<\/li><li>Operating temperature (\u00b0C) -20 to 60<\/li><li>Color Black<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">No cracks shall be seen during application at low temperature (-20 \u00b0C). The&nbsp;laminated tape and primer shall be supplied by the same manufacturer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.3 OUTER WRAP<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The outer wrap shall be polyethylene plastic tape suitable for machine&nbsp;application over the inner wrap. It shall give protection against mechanical&nbsp;damage over inner wrap during pipe lowering-in and back-fill operations. It&nbsp;should also provide protection against solar and U.V. radiation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The physical properties of the outer wrap shall be as followings:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Thickness (mm) 0.375 min.<\/li><li>Tensile strength (N\/mm 2) 15 min.<\/li><li>Tear resistance (N\/mm) 1.0<\/li><li>Elongation (%) 100-300<\/li><li>Dielectric strength (KV\/mm) 40 min.<\/li><li>Application temperatures (\u00b0C) -20 to 60 \u00b0C<\/li><li>Operating temperature (\u00b0C) -20 to 60\u00b0<\/li><li>Color White<\/li><li>Adhesion to inner-layer tape (kg\/cm width) 0.5 min.<\/li><li>Impact resistance (N.m) 2.83 min.<\/li><li>Cathodic disbanding (mm) 50 max.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These items must be monitored by NACE Inspection service provider company.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.4 PLASTIC ROCKSHIELD<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plastic rock shield shall consist of a matrix of spaced ribs of high density&nbsp;polyethylene with good impact resistance. It shall be resistant to shock, fungi,&nbsp;natural and artificial agents contained in soil. The grid pattern shall be so&nbsp;designed as to encourage the passage of cathodic protection current to the&nbsp;coating surface. Methods of fasting shall be circumferential strapping with 15&nbsp;mm wide plastic bands and associated buckles. Rock shield shall be used over&nbsp;outer wrap to protect it against mechanical damage, which will be applied at&nbsp;water crossings, rocky\/semi-rocky crossings where, continuous concrete&nbsp;weighting\/concrete set on weights shall be employed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The physical properties of rock shield shall be as followings:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Thickness (mm) 3.0<\/li><li>Specific weighty, (G\/cm 3) 0.5 min.<\/li><li>Tensile strength (N\/mm 2) 15.0 min.<\/li><li>Tear resistance (N\/cm) 10. min.<\/li><li>Hardness (Duro shore D) 40 min.<\/li><li>Application temperature (\u00b0C) -20 to 60<\/li><li>Operating temperature (\u00b0C) -20 to 60<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2.5 HAND WRAPPING TAPE<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The laminated plastic tape shall have a backing of highly flexible polyethylene&nbsp;and a mass of primer activated coat of butyl rubber. It shall be highly&nbsp;conformable at Low temperature and suitable for hand wrapping of tees, bend&nbsp;and other irregular shape fittings of small diameter up to 4&#8243; to be buried in the&nbsp;ground and subject to cathodic protection currents. It shall be resistant to&nbsp;bacteria, fungi and agents present in the soil. The tape shall be designed for use&nbsp;with its own primer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The physical properties of the tape shall be as followings:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Butyl rubber thickness (mm) 0.6 to 0.75<\/li><li>Backing polyethylene thickness (mm) 0.3 to 0.4<\/li><li>Total thickness (mm) 0.9 to 1.15<\/li><li>Tensile strength (N\/mm 2) 8.0 approx.<\/li><li>Elongation (%) 150-300<\/li><li>Low temperature flexing at &#8211; 20\u00b0C No cracking<\/li><li>Adhesion to primed steel (N\/mm) 5 min.<\/li><li>Dielectric strength (Kv\/mm) 40 min.<\/li><li>Insulation resistance (M\u03a9) 106 min.<\/li><li>Water\/vapor permeability (g\/m 2 24 h) 3 max.<\/li><li>Water absorption (%) 0.1 max.<\/li><li>Application temperature (\u00b0C) -20 to 60<\/li><li>Operating temperature (\u00b0C) -20 to 60<\/li><li>Color Black<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Working Sequence @&nbsp;Pipeline Wrapping and Coating Specification<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Primer and wrapping system shall comprise the followings:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Primer shall be thoroughly stirred before application.<\/li><li>Before application of primer pipe surface shall be cleaned.<\/li><li>Primer shall be applied at an average rate 0.12 liter per square meter.<\/li><li>Primer may be used by spray equipment or hand brushing.<\/li><li>Primed pipe shall be protected from contamination by moisture dust or&nbsp;foreign matter before application of the tape wraps.<\/li><li>Immediately after application of primer (the primer must be allowed to dry&nbsp;completely, refer to manufacturers instruction) the pipeline shall be spiral&nbsp;wrapped with laminated inner tape wrap and outer tape wrap.<\/li><li>The tape shall be applied with tension controlled provide a uniform, tightly&nbsp;adhesive coating free from wrinkles, puckers, void, or break.<\/li><li>The wrapping machine shall be equipped with an overlap control device&nbsp;properly adjusted to provide the following minimum overlap under all&nbsp;conditions.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Wrapping Overlap @&nbsp;Pipeline Wrapping and Coating Specification<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>Nominal Pipe Size<\/th><th>Minimum Overlap<\/th><\/tr><tr><td>UP to 12<\/td><td>12 mm<\/td><\/tr><tr><td>14 to 20<\/td><td>25 mm<\/td><\/tr><tr><td>Over 20<\/td><td>50 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Where manual application of coating is used the inner and outer tape wrap shall not&nbsp;be wider than 150 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prior to welding the pipe wrapping shall commence and terminate a minimum distance&nbsp;of 150 mm from each weld joint. This bare area shall be prepared and wrapped in&nbsp;accordance with this specification after successful hydro-test.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Inspection and Testing&nbsp;@&nbsp;Pipeline Wrapping and Coating Specification<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">5.1 Pipe coating shall be subjected to 100% visual inspection and 100% inspection&nbsp;with an electrical holiday detector before being lowered into the trench.<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5.2 Visual inspection shall ensure that the coating is continuous, the overlap is&nbsp;correctly maintained and that there is no wrinkle in the tape. The holiday&nbsp;detector shall be used to check that there is a continuous coating over the pipe&nbsp;surface.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5.3 The voltage of detector shall be regulated to produce an ARC which just&nbsp;bridges an air gap equal to twice the distance between the outer face of&nbsp;coating and outer steel face of the pipe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5.4 The holiday detector&#8217;s setting shall be checked at least twice per day while it is&nbsp;in use.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5.5 At no time shall the holiday detector be permitted to remain stationary around a&nbsp;coated pipeline with the operating voltage switched on.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5.6 All defects, whether discovered visually or by means of the holiday detector,&nbsp;shall be clearly marked.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5.7 After test samples from inside of the roll have been aged for 30 days in an air circulating&nbsp;oven at a constant temperature of 60\u00b0C, the tensile strength and the&nbsp;elongation shall be determined at 22\u00b0C by ASTM D1000. An average value for&nbsp;tensile strength and elongation shall not be less than 80 percent of the original&nbsp;un-aged value.(Heat Aging)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These items must be checked by NACE Inspection service provider.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. Repair&nbsp;@&nbsp;Pipeline Wrapping and Coating Specification<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">6.1 Repairs of holidays and damaged areas due to destructive tests shall be made&nbsp;in accordance with procedures specified in each individual coating system. For&nbsp;example, all holidays detected, such as damaged or flowed areas or mislaps,&nbsp;shall be repaired by peeling back and removing the outer and inner layers from&nbsp;the damaged area. The holiday area shall then be brushed with primer and&nbsp;then a length of inner-layer tape shall be wrapped around the pipe to cover the&nbsp;defective area or a patch of inner-layer tape shall be applied directly to the&nbsp;defective area as specified by the company. The minimum lap at the damaged&nbsp;area shall be 100 mm all around. The repaired area shall be tested with a&nbsp;holiday detector after the repair is completed. If no holidays are found, the&nbsp;repaired area shall then be covered with outer-layer tape with a minimum lap&nbsp;of 100 mm beyond the inner tape patch.&nbsp;These items must be monitored by NACE Inspection service provider company<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6.2 All repairs shall be re-tested for holidays.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6.3 The welded joints shall be cleaned, primed and coated according to specified&nbsp;procedures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6.4 After field repairing of coating and before lowering the pipe into the ditch, the&nbsp;pipe shall be tested for holidays again. All defective places shall be plainly&nbsp;marked and repaired using the methods of identified.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Return to&nbsp;<a href=\"https:\/\/ptrotek.wordpress.com\/industrial-inspection\/\" target=\"_blank\" rel=\"noopener\">Industrial Inspection<\/a><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f795693 elementor-widget elementor-widget-text-editor\" data-id=\"f795693\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<!-- ==================================================================== -->\n<!-- PtroTek High-Authority Technical Guide: Pipeline Wrapping And Coating Specification -->\n<!-- Primary Keyword: pipeline wrapping and coating specification -->\n<!-- Standards: ISO 9001 \/ ASME \/ API -->\n<!-- ==================================================================== -->\n\n<article class=\"ptrotek-technical-guide\">\n\n  <!-- Executive Summary -->\n  <section class=\"technical-overview\">\n    <h2>Executive Summary &#038; Industrial Inspection Scope<\/h2>\n    <p>In demanding industrial environments across Oil, Gas, Petrochemical, Offshore, and Heavy Process Infrastructure, rigorous compliance with ISO 9001 \/ ASME \/ API is essential to ensure operational integrity, personnel safety, and compliance with statutory regulatory frameworks. This technical specification provides QA\/QC managers, procurement engineers, welding inspectors, and third-party inspection (TPI) agencies with an authoritative, field-tested guideline for &#8220;Pipeline Wrapping And Coating Specification&#8221;.<\/p><p>Ensuring compliance regarding pipeline wrapping and coating specification minimizes the risk of catastrophic asset failures, costly unscheduled shutdowns, and supplier non-conformances. The following technical sections delineate the scope of inspection, mandatory verification protocols, acceptance criteria, documentation deliverables, and root cause mitigation strategies.<\/p>\n  <\/section>\n\n  <!-- Governing Codes & Standards -->\n  <section class=\"regulatory-standards\">\n    <h2>Governing International Engineering Codes &#038; Specifications<\/h2>\n    <p>Verification and validation of Pipeline Wrapping And Coating Specification must strictly conform to the latest editions of the following international engineering codes and project specifications:<br\/>\u2022 **Primary Standard Reference:** ISO 9001 \/ ASME \/ API<br\/>\u2022 **Quality Management &#038; Inspection Systems:** ISO 9001:2015 &#038; ISO\/IEC 17020 (Requirements for the operation of various types of bodies performing inspection)<br\/>\u2022 **Material Compliance &#038; Traceability:** EN 10204 Type 3.1 \/ 3.2 Inspection Certificates for metallic and non-metallic pressure-retaining components<br\/>\u2022 **Personnel Qualification:** ASNT SNT-TC-1A \/ ISO 9712 for NDT personnel, CSWIP 3.1 \/ AWS CWI for welding inspection, and NACE \/ AMPP Level 2\/3 for coating and corrosion personnel<br\/>\u2022 **Statutory &#038; Health Safety Directives:** ASME Boiler &#038; Pressure Vessel Code (BPVC), API Standards, OSHA, and regional local authority regulations.<\/p>\n  <\/section>\n\n  <!-- Step-by-step Quality Control Protocol -->\n  <section class=\"inspection-protocol\">\n    <h2>Step-by-Step Quality Control &#038; Inspection Procedure<\/h2>\n    <p>The execution of quality surveillance for <strong>Pipeline Wrapping And Coating Specification<\/strong> is structured across four progressive QA\/QC intervention phases:<\/p>\n    \n    \n    <div class=\"protocol-stage\" style=\"margin-bottom: 24px; padding: 18px; border: 1px solid #e2e8f0; border-radius: 8px; background-color: #f8fafc;\">\n      <h3 style=\"color: #0f172a; margin-top: 0;\">Stage 1: Pre-Inspection &#038; Engineering Document Review (Review Point &#8211; R)<\/h3>\n      <p style=\"color: #334155; line-height: 1.6;\">Prior to commencement of any physical activities or manufacturing operations related to Pipeline Wrapping And Coating Specification, the contractor or vendor must submit all technical submittals to the Owner or TPI agency for formal review and approval.<\/p>\n      <ul style=\"color: #1e293b; padding-left: 20px; line-height: 1.7;\">\n        <li>Verification of approved Inspection and Test Plan (ITP) identifying all Hold (H), Witness (W), Review (R), and Surveillance (S) intervention points.<\/li>\n        <li>Cross-examination of Material Test Reports (MTR \/ Mill Certificates) against standard design specifications (ISO 9001 \/ ASME \/ API).<\/li>\n        <li>Review and approval of specific Procedure Qualification Records (PQR), Welding Procedure Specifications (WPS), or calibration certificates.<\/li>\n        <li>Verification that all measurement instruments, gauges, and NDT equipment hold valid calibration certificates from ISO\/IEC 17025 accredited calibration laboratories (within 6 to 12 months validity).<\/li>\n      <\/ul>\n    <\/div>\n\n    <div class=\"protocol-stage\" style=\"margin-bottom: 24px; padding: 18px; border: 1px solid #e2e8f0; border-radius: 8px; background-color: #f8fafc;\">\n      <h3 style=\"color: #0f172a; margin-top: 0;\">Stage 2: In-Process Witnessing &#038; Fabrication Control (Witness \/ Hold Point &#8211; W\/H)<\/h3>\n      <p style=\"color: #334155; line-height: 1.6;\">During the active execution phase, the certified inspector performs physical surveillance to ensure strict adherence to certified drawings, manufacturing procedures, and code tolerances.<\/p>\n      <ul style=\"color: #1e293b; padding-left: 20px; line-height: 1.7;\">\n        <li>Verification of material traceability (heat number, heat treatment lot, plate number) transferred accurately onto fabricated components.<\/li>\n        <li>Dimensional verification and visual inspection using calibrated gauges, micrometer depth dials, or laser alignment systems.<\/li>\n        <li>Monitoring ambient environmental parameters (relative humidity, dew point, substrate temperature) when applying surface treatments, welding preheat, or pressure testing.<\/li>\n        <li>Witnessing non-destructive examination (RT, UT, MT, PT, PMI) at specified percentages according to project critical rating and code requirements.<\/li>\n      <\/ul>\n    <\/div>\n\n    <div class=\"protocol-stage\" style=\"margin-bottom: 24px; padding: 18px; border: 1px solid #e2e8f0; border-radius: 8px; background-color: #f8fafc;\">\n      <h3 style=\"color: #0f172a; margin-top: 0;\">Stage 3: Final Acceptance, Pressure\/Performance Testing &#038; Marking (Hold Point &#8211; H)<\/h3>\n      <p style=\"color: #334155; line-height: 1.6;\">The culminating milestone where the fully assembled or completed item is subjected to definitive acceptance tests in the presence of the Owner&#8217;s Third-Party Inspector (TPI).<\/p>\n      <ul style=\"color: #1e293b; padding-left: 20px; line-height: 1.7;\">\n        <li>Execution of pressure proof tests (Hydrostatic at 1.3x to 1.5x MAWP or Pneumatic test) with dual calibrated pressure gauges and temperature recorders.<\/li>\n        <li>Full visual inspection of completed surfaces, welds, protective coatings, and flange contact faces for absence of mechanical damage or code defects.<\/li>\n        <li>Validation of permanent stamping, low-stress die markings, nameplate data verification, and barcoding in strict conformity with project specs.<\/li>\n        <li>Clearing all open punch-list items, non-conformance reports (NCRs), and concession requests prior to issuance of the release note.<\/li>\n      <\/ul>\n    <\/div>\n\n    <div class=\"protocol-stage\" style=\"margin-bottom: 24px; padding: 18px; border: 1px solid #e2e8f0; border-radius: 8px; background-color: #f8fafc;\">\n      <h3 style=\"color: #0f172a; margin-top: 0;\">Stage 4: Packing, Preservation &#038; Inspection Release (Inspection Release Certificate &#8211; IRC)<\/h3>\n      <p style=\"color: #334155; line-height: 1.6;\">Ensuring the inspected equipment is adequately protected against atmospheric corrosion, mechanical shock, and marine transit degradation.<\/p>\n      <ul style=\"color: #1e293b; padding-left: 20px; line-height: 1.7;\">\n        <li>Inspection of rust preventative coatings, desiccant bags, flange face blind protectors, and vapor corrosion inhibitor (VCI) packaging.<\/li>\n        <li>Verification of heavy-lift sea fastening lugs, center-of-gravity markings, and export crating compliance (ISPM 15 wooden crating).<\/li>\n        <li>Compilation and signing of the final Inspection Release Certificate (IRC \/ Shipping Release) and manufacturer data dossier (MDR).<\/li>\n      <\/ul>\n    <\/div>\n  <\/section>\n\n  <!-- Technical Acceptance Criteria Table -->\n  <section class=\"acceptance-criteria-table\" style=\"margin-top: 32px; margin-bottom: 32px;\">\n    <h2>Technical Acceptance Criteria &#038; Tolerances Matrix<\/h2>\n    <p>All measurements and physical characteristics must comply with the engineering tolerances and acceptance thresholds tabulated below:<\/p>\n    <div style=\"overflow-x: auto;\">\n      <table style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; margin-top: 12px; border: 1px solid #cbd5e1;\">\n        <thead>\n          <tr style=\"background-color: #0f172a; color: #ffffff;\">\n            <th style=\"padding: 12px 14px; border: 1px solid #334155;\">Surface &#038; Coating Parameter<\/th>\n            <th style=\"padding: 12px 14px; border: 1px solid #334155;\">Governing Standard<\/th>\n            <th style=\"padding: 12px 14px; border: 1px solid #334155;\">Acceptance Criteria \/ Specified Limit<\/th>\n            <th style=\"padding: 12px 14px; border: 1px solid #334155;\">Test Instrument \/ Method<\/th>\n            <th style=\"padding: 12px 14px; border: 1px solid #334155;\">QC Intervention<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          \n          <tr style=\"background-color: #ffffff; color: #0f172a;\">\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: 600;\">Solvent Cleaning &#038; Degreasing<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">SSPC-SP 1<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Complete removal of visible oil, grease, soil, drawing and cutting compounds<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">UV Light Inspection \/ Solvent Wipe Test<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Witness (W)<\/td>\n          <\/tr>\n\n          <tr style=\"background-color: #f1f5f9; color: #0f172a;\">\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: 600;\">Abrasive Blast Cleanliness Degree<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">SSPC-SP 10 \/ NACE No. 2 (Near-White)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Random staining shall not exceed 5% of each unit area of surface (95% bare clean metal)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">ISO 8501-1 Pictorial Standards \/ SSPC-VIS 1<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Hold (H)<\/td>\n          <\/tr>\n\n          <tr style=\"background-color: #ffffff; color: #0f172a;\">\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: 600;\">Surface Profile Depth (Roughness)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">ASTM D4417 Method C \/ NACE SP0287<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Anchor pattern depth between 50 \u00b5m and 85 \u00b5m (or per coating spec sheet)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Coarse\/X-Coarse Replica Tape (Press-O-Film) &#038; Micrometer<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Hold (H)<\/td>\n          <\/tr>\n\n          <tr style=\"background-color: #f1f5f9; color: #0f172a;\">\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: 600;\">Soluble Salt Contamination (Chlorides)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">ISO 8502-6 &#038; ISO 8502-9 (Bresle Method)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Maximum allowable chloride concentration \u2264 20 mg\/m\u00b2 (or \u2264 3 \u00b5g\/cm\u00b2 for offshore)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Bresle Patch &#038; Calibrated Conductivity Meter<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Witness (W)<\/td>\n          <\/tr>\n\n          <tr style=\"background-color: #ffffff; color: #0f172a;\">\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: 600;\">Dry Film Thickness (DFT) Verification<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">SSPC-PA 2 \/ ISO 2808<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">80\/20 Rule: No spot reading <80% of nominal; average of spots within specified range<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Calibrated Type 2 Electronic Magnetic Gauge<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Hold (H)<\/td>\n          <\/tr>\n\n          <tr style=\"background-color: #f1f5f9; color: #0f172a;\">\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: 600;\">Coating Adhesion (Cross-Cut \/ Pull-Off)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">ASTM D3359 (X-Cut) \/ ASTM D4541 (Pull-Off)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Adhesion rating 4A\/5A or minimum tensile pull-off strength \u2265 7.0 MPa (1000 psi)<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Hydraulic Dolly Pull-Off Adhesion Tester<\/td>\n            <td style=\"padding: 10px 14px; border: 1px solid #cbd5e1; font-weight: normal;\">Witness (W)<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n  <\/section>\n\n  <!-- QA\/QC Deliverables Checklist -->\n  <section class=\"qa-deliverables\" style=\"margin-top: 28px;\">\n    <h2>Mandatory QA\/QC Dossier &#038; Inspection Deliverables<\/h2>\n    <p>Prior to the final issuance of the <strong>Inspection Release Certificate (IRC)<\/strong>, the contractor and vendor must compile and submit the verified manufacturer data record containing:<\/p>\n    <ul style=\"line-height: 1.8; color: #1e293b;\">\n      <li>Approved Inspection &#038; Test Plan (ITP) with sign-off stamps by Contractor, Client, and TPI.<\/li>\n      <li>Material Test Reports (MTR \/ Mill Test Certificates EN 10204 Type 3.1 or 3.2).<\/li>\n      <li>Certified Welding Procedure Specifications (WPS), Procedure Qualification Records (PQR), and Welder Performance Qualifications (WPQ).<\/li>\n      <li>Calibration Certificates for all test instruments and measuring equipment (NABL \/ ISO 17025 accredited).<\/li>\n      <li>Non-Destructive Examination Reports (RT, UT, MT, PT, PMI, Ferrite Content) evaluated by Level II\/III inspectors.<\/li>\n      <li>Heat Treatment &#038; PWHT Time-Temperature Recorder Charts with thermocouple layout drawings.<\/li>\n      <li>Hydrostatic \/ Pneumatic Pressure Proof Test Certificate with calibrated chart recorder logs.<\/li>\n      <li>Surface Preparation and Protective Coating Inspection Reports (Daily environmental log, blast profile, DFT summary).<\/li>\n      <li>Non-Conformance Report (NCR) and Concession Disposition Closeout Log.<\/li>\n      <li>Official Inspection Release Certificate (IRC \/ Shipping Release Note) permitting packing and dispatch.<\/li>\n    <\/ul>\n  <\/section>\n\n  <!-- Common Non-Conformances and Mitigation -->\n  <section class=\"ncr-mitigation\" style=\"margin-top: 28px;\">\n    <h2>Common Non-Conformances &#038; Field Mitigation Strategies<\/h2>\n    <p>Based on extensive third-party inspection field records in oil &#038; gas projects, the following deviations require heightened surveillance:<\/p>\n    \n    <div style=\"margin-bottom: 16px; padding: 14px; background: #fff7ed; border-left: 4px solid #f97316; border-radius: 4px;\">\n      <h4 style=\"margin: 0 0 6px 0; color: #9a3412;\">Defect \/ Hazard: Material Grade Substitution &#038; Lack of Heat Traceability<\/h4>\n      <p style=\"margin: 0 0 4px 0; color: #431407; font-size: 13.5px;\"><strong>Root Cause:<\/strong> Uncontrolled workshop storage, missing color coding, or unverified supplier sub-tier procurement without EN 10204 3.1 documentation.<\/p>\n      <p style=\"margin: 0; color: #15803d; font-size: 13.5px;\"><strong>Preventative Action:<\/strong> Enforce strict 100% Positive Material Identification (PMI) prior to cutting, and mandatory material receiving inspection with physical stamping cross-referenced to original mill test certificates.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 16px; padding: 14px; background: #fff7ed; border-left: 4px solid #f97316; border-radius: 4px;\">\n      <h4 style=\"margin: 0 0 6px 0; color: #9a3412;\">Defect \/ Hazard: Out-of-Tolerance Fit-Up &#038; Alignment Mismatch<\/h4>\n      <p style=\"margin: 0 0 4px 0; color: #431407; font-size: 13.5px;\"><strong>Root Cause:<\/strong> Poor thermal cutting, thermal distortion from excessive preheat, or inadequate jigging and tacking arrangements.<\/p>\n      <p style=\"margin: 0; color: #15803d; font-size: 13.5px;\"><strong>Preventative Action:<\/strong> Establish a mandatory Witness\/Hold point at joint fit-up before root pass deposition. Use calibrated Hi-Lo gauges to verify bevel angle, root face, and root gap according to the qualified WPS.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 16px; padding: 14px; background: #fff7ed; border-left: 4px solid #f97316; border-radius: 4px;\">\n      <h4 style=\"margin: 0 0 6px 0; color: #9a3412;\">Defect \/ Hazard: Premature Coating Delamination &#038; Blistering Under Film<\/h4>\n      <p style=\"margin: 0 0 4px 0; color: #431407; font-size: 13.5px;\"><strong>Root Cause:<\/strong> Excessive soluble salt contamination (>20 mg\/m\u00b2) left on the substrate, blast cleaning below dew point (<3\u00b0C above dew point), or oil\/moisture in the blasting compressor air line.<\/p>\n      <p style=\"margin: 0; color: #15803d; font-size: 13.5px;\"><strong>Preventative Action:<\/strong> Perform Blotter Test (ASTM D4285) daily on compressed air, enforce Bresle patch chloride testing, and apply primer within 4 hours of abrasive blasting before rust blooming initiates.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 16px; padding: 14px; background: #fff7ed; border-left: 4px solid #f97316; border-radius: 4px;\">\n      <h4 style=\"margin: 0 0 6px 0; color: #9a3412;\">Defect \/ Hazard: Pressure Drop During Final Hydrostatic Proof Testing<\/h4>\n      <p style=\"margin: 0 0 4px 0; color: #431407; font-size: 13.5px;\"><strong>Root Cause:<\/strong> Micro-leakage through temporary test flange gaskets, entrapped air pockets inside vessel high points, or inadequate temperature stabilization.<\/p>\n      <p style=\"margin: 0; color: #15803d; font-size: 13.5px;\"><strong>Preventative Action:<\/strong> Ensure thorough venting at all high-point vents until bubble-free fluid emerges, allow minimum 15-minute temperature stabilization between filling medium and ambient metal, and torque all blind flanges with calibrated torque wrenches.<\/p>\n    <\/div>\n  <\/section>\n\n  <!-- FAQ Section (Schema Ready) -->\n  <section class=\"inspection-faq\" style=\"margin-top: 36px; padding: 24px; background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px;\">\n    <h2 style=\"color: #0f172a; margin-top: 0;\">Frequently Asked Questions (FAQ)<\/h2>\n    \n    <div style=\"margin-bottom: 20px;\">\n      <h3 style=\"font-size: 16px; color: #1e3a8a; margin-bottom: 6px;\">Q: What are the mandatory qualifications for inspectors verifying Pipeline Wrapping And Coating Specification?<\/h3>\n      <p style=\"color: #334155; line-height: 1.6; margin: 0;\"><strong>A:<\/strong> Inspectors must hold recognized international certifications applicable to the discipline. For welding and fabrication: CSWIP 3.1\/3.2, AWS CWI, or API 510\/570 Source Inspector. For NDT: ISO 9712 or ASNT SNT-TC-1A Level II minimum. For coatings: NACE \/ AMPP Level 2 or FROSIO Level III. Additionally, the inspection agency must operate under an ISO\/IEC 17020 accredited quality management system.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 20px;\">\n      <h3 style=\"font-size: 16px; color: #1e3a8a; margin-bottom: 6px;\">Q: How does PtroTek resolve non-conformances (NCRs) encountered during vendor surveillance?<\/h3>\n      <p style=\"color: #334155; line-height: 1.6; margin: 0;\"><strong>A:<\/strong> When a deviation from certified drawings or ISO 9001 \/ ASME \/ API is detected, the inspector issues a formal Non-Conformance Report (NCR) within 24 hours. The vendor must submit a Root Cause Analysis (RCA) and proposed disposition (Rework, Repair, or Concession). Work on the affected component is halted (Hold Point) until the Owner&#8217;s engineering authority approves the disposition and a re-inspection confirms full compliance.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 20px;\">\n      <h3 style=\"font-size: 16px; color: #1e3a8a; margin-bottom: 6px;\">Q: What is the difference between Witness (W) and Hold (H) points in an Inspection &#038; Test Plan (ITP)?<\/h3>\n      <p style=\"color: #334155; line-height: 1.6; margin: 0;\"><strong>A:<\/strong> A Hold Point (H) is a mandatory milestone where fabrication or testing CANNOT proceed without the physical presence of the designated client or third-party inspector. Written clearance or stamping is strictly required. A Witness Point (W) requires prior notification (typically 24 to 48 hours) to the inspector; however, if the inspector fails to attend at the scheduled time, fabrication or testing may proceed with subsequent review of the test records.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 20px;\">\n      <h3 style=\"font-size: 16px; color: #1e3a8a; margin-bottom: 6px;\">Q: Can international clients review inspection reports and photos in real time?<\/h3>\n      <p style=\"color: #334155; line-height: 1.6; margin: 0;\"><strong>A:<\/strong> Yes. PtroTek provides comprehensive Flash Reports issued within 24 hours of inspection completion, followed by detailed formal inspection reports accompanied by high-resolution calibrated photographic evidence, dimension logs, and signed vendor test records for complete global transparency.<\/p>\n    <\/div>\n  <\/section>\n\n  <!-- Authoritative Call to Action & Internal Links -->\n  <section class=\"cta-section\" style=\"margin-top: 36px; padding: 24px; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); color: #ffffff; border-radius: 12px; text-align: center;\">\n    <h2 style=\"color: #f8fafc; margin-top: 0;\">Need Certified Third-Party Inspection (TPI) Support?<\/h2>\n    <p style=\"color: #cbd5e1; max-width: 700px; margin: 0 auto 18px auto; line-height: 1.6;\">\n      PtroTek provides international vendor surveillance, ASME code vessel inspection, welding QA\/QC, and protective coating verification across Southeast Asia, the Middle East, and global fabrication hubs.\n    <\/p>\n    <p style=\"margin: 0;\">\n      <a href=\"https:\/\/ptrotek.com\/index.php\/contact\/\" style=\"display: inline-block; background-color: #f59e0b; color: #0f172a; font-weight: bold; padding: 12px 28px; border-radius: 6px; text-decoration: none;\">\n        Request a Technical Inspection Quote\n      <\/a>\n    <\/p>\n  <\/section>\n\n<\/article>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Following content provides a sample Pipeline Wrapping and Coating Specification and indicates important inspection and testing requirements. 1. Cleaning @ Pipeline Wrapping and Coating Specification 1.1.1 External surface of pipe shall be cleaned before initial priming by blast&nbsp;cleaning (Sa 21\/2) and the minimum surface finish for blast cleaning shall be&nbsp;as per SIS 055900.1 or any [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-728","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ptrotek.com\/index.php\/wp-json\/wp\/v2\/pages\/728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ptrotek.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ptrotek.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ptrotek.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ptrotek.com\/index.php\/wp-json\/wp\/v2\/comments?post=728"}],"version-history":[{"count":6,"href":"https:\/\/ptrotek.com\/index.php\/wp-json\/wp\/v2\/pages\/728\/revisions"}],"predecessor-version":[{"id":2703,"href":"https:\/\/ptrotek.com\/index.php\/wp-json\/wp\/v2\/pages\/728\/revisions\/2703"}],"wp:attachment":[{"href":"https:\/\/ptrotek.com\/index.php\/wp-json\/wp\/v2\/media?parent=728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}