{"id":20081,"date":"2023-01-23T15:12:00","date_gmt":"2023-01-23T14:12:00","guid":{"rendered":"https:\/\/www.enseco.sk\/references\/main-project\/"},"modified":"2026-03-06T12:07:26","modified_gmt":"2026-03-06T11:07:26","slug":"main-project","status":"publish","type":"page","link":"https:\/\/www.enseco.sk\/en\/business-partners\/main-project\/","title":{"rendered":"Mochovce Nuclear Power Plant Completion"},"content":{"rendered":"\t\t
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\u201cENSECO pipelines are installed across the entire Nuclear Island of Units 3 and 4 at Mochovce. This is proof that we have survived as a company.\" <\/h2>\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
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500<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Workers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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We have managed approximately 500 workers and another 250 workers under the management of our subcontractors.<\/p>\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

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1 509<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Tons of installed materials<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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We have procured, supplied and installed materials with the total weight of 1 509 tons.<\/p>\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

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10 722<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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We have installed 10 722 valves and our work is visible in both units of the power plant.<\/p>\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

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40<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Systems tested\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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During commissioning, we have performed non-active testing of 40 technological systems.<\/p><\/div><\/div>\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

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9 646\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Pipelines<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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We have installed a total of 9 646 pipelines in both units.<\/p><\/div><\/div>\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

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5<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Main systems<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Works involved 5 main elementary systems at all project stages.<\/p>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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<\/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
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Nuclear Power Plant \u2013Systems Executed<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The project was executed based on the EPC contract at all stages (elaboration of detailed design documentation, procurement, installation, and commissioning).<\/p><\/div><\/div>\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

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We completed five main nuclear power plant systems:<\/h5>\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
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Primary Circuit Auxiliary Systems<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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  • Continuous Primary Coolant Purification System<\/li>
  • Volume and boron control system including oil system<\/li>
  • Spent fuel pool water cooling system<\/li>
  • Hydrogen recombination system<\/li>
  • Primary coolant controlled leakage system<\/li>
  • Lifting equipment<\/li>
  • Connecting piping<\/li>
  • Technological platforms<\/li>
  • Steam generator blowdown system<\/li>
  • Biological shielding<\/li><\/ul><\/div><\/div><\/div>\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
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    Radioactive Waste Treatment System<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    • Primary circuit drain water treatment system<\/li>
    • Active water collection system<\/li>
    • Distillation plant<\/li>
    • Additional condensate polishing<\/li>
    • Active water purification<\/li>
    • Lifting equipment<\/li>
    • Connecting piping<\/li>
    • Boric acid recovery system H3<\/sub>BO3<\/sub><\/li>
    • Chemical reagents preparation system<\/li>
    • Radioactive gas treatment system<\/li>
    • Spent fuel storage pool and ECCS tanks water purification system<\/li>
    • Steam generator blowdown purification system<\/li>
    • Technological platforms<\/li>
    • Biological shielding<\/li><\/ul><\/div><\/div>\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
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      Emergency Core Cooling and Spray Systems<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      • Emergency core cooling systems<\/li>
      • Pressure suppression containment system<\/li>
      • Lifting equipment<\/li>
      • Technological platforms<\/li><\/ul><\/div><\/div><\/div>\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
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        Radioactive Waste Management<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        • Special sewerage<\/li>
        • Radioactive liquid and solid waste storage<\/li>
        • Tank vent treatment system<\/li>
        • Liquid radioactive waste transport<\/li>
        • Lifting equipment<\/li>
        • Technological platforms<\/li>
        • Biological shielding<\/li><\/ul><\/div>\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
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          Radioactive Waste Disposal Systems\n <\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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          • Radioactive Waste Disposal Systems<\/li>
          • Electrical part<\/li><\/ul>\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
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            28 t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Carbon\n\n \n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Pipe fittings<\/p><\/div><\/div>\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

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            110 t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Carbon\n\n \n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Valve remote control<\/p><\/div><\/div>

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            80 t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Carbon\n\n \n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Pipe and valve support<\/p><\/div><\/div>\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

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            50 t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Carbon<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Pipes<\/p><\/div><\/div>\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

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            195 t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Stainless \u2013 08CH18N10T\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Pipe fittings<\/p><\/div><\/div><\/div><\/div>\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

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            26 t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Pipe fittings<\/p><\/div><\/div>\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

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            450 t\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Carbon<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Platforms<\/p><\/div><\/div>\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

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            480 t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Stainless \u2013 08CH18N10T\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Pipes<\/p><\/div><\/div><\/div><\/div>\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

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            90 t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Stainless \u2013 other<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Pipes<\/p><\/div><\/div>\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

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            1509t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Total<\/h2>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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            COMPONENT<\/th> MATERIAL<\/th> QUANTITY (IN PIECES)<\/th><\/tr><\/thead>
            Valves Unit 3<\/td>Stainless<\/td>5 574<\/td><\/tr>
            Valves Unit 3<\/td>Carbon<\/td>1 255<\/td><\/tr>
            Valves Unit 4<\/td>Stainless<\/td>2 944<\/td><\/tr>
            Valves Unit 4<\/td>Carbon<\/td>949<\/td><\/tr><\/tbody>
            TOTAL:<\/th> <\/th>10 722<\/th><\/tr><\/tfoot><\/table>\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
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            MATERIAL<\/th>CS \u2013 CARBON STEEL; SS \u2013 STAINLESS STEEL<\/th><\/tr><\/thead>
            Safety Class<\/td>I., II., III., N<\/td><\/tr>
            Seismicity<\/td>1a, 1b, 2a, 2b<\/td><\/tr>
            DN<\/td>6, 8, 10, 15, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 500, 600<\/td><\/tr>
            PN<\/td>10, 16, 40, 100, 160, 200, 230, 250, 315, 400, 500<\/td><\/tr><\/tbody><\/table>\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":"

            \u201cENSECO pipelines are installed across the entire Nuclear Island of Units 3 and 4 at Mochovce. This is proof that we have survived as a company.” 500 Workers We have managed approximately 500 workers and another 250 workers under the management of our subcontractors. 1 509 Tons of installed materials We have procured, supplied and installed materials with the total weight of 1 509 tons. 10 722 Valves We have installed 10 722 valves and our work is visible in both units of the power plant. 40 Systems tested During commissioning, we have performed non-active testing of 40 technological systems. 9 646 Pipelines We have installed a total of 9 646 pipelines in both units. 5 Main systems Works involved 5 main elementary systems at all project stages. Nuclear Power Plant \u2013Systems Executed The project was executed based on the EPC contract at all stages (elaboration of detailed design documentation, procurement, installation, and commissioning). We completed five main nuclear power plant systems: Primary Circuit Auxiliary Systems Continuous Primary Coolant Purification System Volume and boron control system including oil system Spent fuel pool water cooling system Hydrogen recombination system Primary coolant controlled leakage system Lifting equipment Connecting piping Technological platforms Steam generator blowdown system Biological shielding Radioactive Waste Treatment System Primary circuit drain water treatment system Active water collection system Distillation plant Additional condensate polishing Active water purification Lifting equipment Connecting piping Boric acid recovery system H3BO3 Chemical reagents preparation system Radioactive gas treatment system Spent fuel storage pool and ECCS tanks water purification system Steam generator blowdown purification system Technological platforms Biological shielding Emergency Core Cooling and Spray Systems Emergency core cooling systems Pressure suppression containment system Lifting equipment Technological platforms Radioactive Waste Management Special sewerage Radioactive liquid and solid waste storage Tank vent treatment system Liquid radioactive waste transport Lifting equipment Technological platforms Biological shielding Radioactive Waste Disposal Systems Radioactive Waste Disposal Systems Electrical part 28 t Carbon Pipe fittings 110 t Carbon Valve remote control 80 t Carbon Pipe and valve support 50 t Carbon Pipes 195 t Stainless \u2013 08CH18N10T Pipe fittings 26 t Stainless \u2013 other Pipe fittings 450 t Carbon Platforms 480 t Stainless \u2013 08CH18N10T Pipes 90 t Stainless \u2013 other Pipes 1509t Total COMPONENT MATERIAL QUANTITY (IN PIECES) Valves Unit 3 Stainless 5 574 Valves Unit 3 Carbon 1 255 Valves Unit 4 Stainless 2 944 Valves Unit 4 Carbon 949 TOTAL: 10 722 MATERIAL CS \u2013 CARBON STEEL; SS \u2013 STAINLESS STEEL Safety Class I., II., III., N Seismicity 1a, 1b, 2a, 2b DN 6, 8, 10, 15, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 500, 600 PN 10, 16, 40, 100, 160, 200, 230, 250, 315, 400, 500<\/p>\n","protected":false},"author":1,"featured_media":24615,"parent":23191,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_theme","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","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":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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-20081","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nCompletion of Mochovce Nuclear Power Plant | ENSECO<\/title>\n<meta name=\"description\" content=\"Discover our role in the completion project of Mochovce Nuclear Power Plant. 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