{"id":6314,"date":"2025-12-01T12:03:41","date_gmt":"2025-12-01T11:03:41","guid":{"rendered":"https:\/\/cgh.q.test.ideo.pl\/products\/fuel\/akcesoria-i-wyposazenie-zbiornikow\/drive-over-manholes-type-na2-na3-qna4\/"},"modified":"2026-05-25T14:27:07","modified_gmt":"2026-05-25T12:27:07","slug":"drive-over-manholes-type-na2-na3-qna4","status":"publish","type":"product","link":"https:\/\/cgh-group.com\/en\/products\/fuel\/accessories-and-tank-equipment\/drive-over-manholes-type-na2-na3-qna4\/","title":{"rendered":"Drive-over steel manholes Type NA2, NA3, QNA4"},"content":{"rendered":"<div class=\"align wp-block-sage-columns-section-with-icon-features\">\n  <section class=\"bg-primary text-neutral-900\">\n    <div class=\"container mx-auto\">\n              <header class=\"p-4 md:p-8\">\n          <h2 class=\"text-3xl md:text-4xl font-bold mb-4\">\n            Advantages of NA steel manholes\n          <\/h2>\n        <\/header>\n      \n      \n              <div class=\"p-4 pb-10 md:pb-16 md:p-8 grid grid-cols-1 md:grid-cols-3 gap-10 md:gap-12\">\n                      <article class=\"flex flex-col h-full border-t border-neutral-900\/20 pt-10 md:pt-0 md:border-t-0 md:border-l md:border-neutral-900\/20 md:pl-10 first:border-t-0 first:pt-0 md:[&#038;:nth-child(3n+1)]:border-l-0 md:[&#038;:nth-child(3n+1)]:pl-0\">\n                              <div class=\"mb-4\">\n                  <img decoding=\"async\" src=\"https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/11\/shield-check.svg\" class=\"w-10 h-10 mb-4 text-yellow-400\" alt=\"\" \/>\n                <\/div>\n              \n                              <div class=\"text-sm md:text-base text-neutral-900\/80\">\n                  <p><strong>Robust construction<\/strong><\/p>\n<p>The manholes are made of high-rigidity steel elements. They easily bear loads from wheeled traffic and the weight of concrete covers. <\/p>\n\n                <\/div>\n                          <\/article>\n                      <article class=\"flex flex-col h-full border-t border-neutral-900\/20 pt-10 md:pt-0 md:border-t-0 md:border-l md:border-neutral-900\/20 md:pl-10 first:border-t-0 first:pt-0 md:[&#038;:nth-child(3n+1)]:border-l-0 md:[&#038;:nth-child(3n+1)]:pl-0\">\n                              <div class=\"mb-4\">\n                  <img decoding=\"async\" src=\"https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/11\/paint-bucket.svg\" class=\"w-10 h-10 mb-4 text-yellow-400\" alt=\"\" \/>\n                <\/div>\n              \n                              <div class=\"text-sm md:text-base text-neutral-900\/80\">\n                  <p><strong>Various anti-corrosion protection systems<\/strong><br \/>\nAvailable variants (choice depends on the working environment and investor requirements): hot-dip galvanising, PUR coating, primer paint<\/p>\n\n                <\/div>\n                          <\/article>\n                      <article class=\"flex flex-col h-full border-t border-neutral-900\/20 pt-10 md:pt-0 md:border-t-0 md:border-l md:border-neutral-900\/20 md:pl-10 first:border-t-0 first:pt-0 md:[&#038;:nth-child(3n+1)]:border-l-0 md:[&#038;:nth-child(3n+1)]:pl-0\">\n                              <div class=\"mb-4\">\n                  <img decoding=\"async\" src=\"https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/11\/folder-git-2.svg\" class=\"w-10 h-10 mb-4 text-yellow-400\" alt=\"\" \/>\n                <\/div>\n              \n                              <div class=\"text-sm md:text-base text-neutral-900\/80\">\n                  <p><strong>Compatibility with drive-over covers<\/p>\n<p><\/strong><\/p>\n<p>The design allows the installation of the most popular covers available on the market, including:<\/p>\n<ul>\n<li>Watertight drive-over manhole cover with concrete surround 250 kN (class C) \u2013 920\u00d7920\u00d7250 mm<\/li>\n<li>Watertight drive-over manhole cover with concrete surround 250 kN (class C) \u2013 1400\u00d7740\u00d7250 mm<\/li>\n<li>Watertight cover 400 kN (WAD III) \u2013 920\u00d7920\u00d7250 mm<\/li>\n<\/ul>\n<p>This facilitates replacement or selection of equipment for specific load requirements.<\/p>\n\n                <\/div>\n                          <\/article>\n                      <article class=\"flex flex-col h-full border-t border-neutral-900\/20 pt-10 md:pt-0 md:border-t-0 md:border-l md:border-neutral-900\/20 md:pl-10 first:border-t-0 first:pt-0 md:[&#038;:nth-child(3n+1)]:border-l-0 md:[&#038;:nth-child(3n+1)]:pl-0\">\n                              <div class=\"mb-4\">\n                  <img decoding=\"async\" src=\"https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/11\/underline.svg\" class=\"w-10 h-10 mb-4 text-yellow-400\" alt=\"\" \/>\n                <\/div>\n              \n                              <div class=\"text-sm md:text-base text-neutral-900\/80\">\n                  <p><strong>Simple installation on the tank<\/strong><\/p>\n<p>The manholes are bolted to the manhole collar, which reduces earthworks and shortens installation time.<\/p>\n\n                <\/div>\n                          <\/article>\n                      <article class=\"flex flex-col h-full border-t border-neutral-900\/20 pt-10 md:pt-0 md:border-t-0 md:border-l md:border-neutral-900\/20 md:pl-10 first:border-t-0 first:pt-0 md:[&#038;:nth-child(3n+1)]:border-l-0 md:[&#038;:nth-child(3n+1)]:pl-0\">\n                              <div class=\"mb-4\">\n                  <img decoding=\"async\" src=\"https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/11\/shield-plus-1.svg\" class=\"w-10 h-10 mb-4 text-yellow-400\" alt=\"\" \/>\n                <\/div>\n              \n                              <div class=\"text-sm md:text-base text-neutral-900\/80\">\n                  <p><strong>Three available versions:<\/strong><\/p>\n<ul>\n<li>NA2: 1400\u00d71200 mm, height 950 mm, internal opening 920\u00d7920 mm<\/li>\n<li>NA3: 1400\u00d71200 mm, height 950 mm, internal opening 1400\u00d7740 mm<\/li>\n<li>QNA4: 1200\u00d71200 mm, height 950 mm, internal opening 920\u00d7920 mm<\/li>\n<\/ul>\n\n                <\/div>\n                          <\/article>\n                  <\/div>\n          <\/div>\n  <\/section>\n<\/div>\n\n\n\n<div class=\"align wp-block-sage-columns-section-with-icon-features-overlay\">\n  <section class=\"relative bg-neutral-700 text-white\">\n    \n    <div class=\"relative container mx-auto\">\n              <header class=\"p-8\">\n          <h2 class=\"text-2xl md:text-3xl lg:text-4xl font-bold text-white\">\n            Intended use\n          <\/h2>\n        <\/header>\n      \n      \n              <div class=\"grid grid-cols-1 md:grid-cols-2 pb-8\">\n                      <article class=\"flex flex-col mb-8 pb-0 p-8 md:flex-row lg:flex-col md:items-start gap-4 border-t border-white\/20 md:border-t-0 md:border-l md:[&#038;:nth-child(2n+1)]:border-l-0\">\n              \n                              <div class=\"text-sm md:text-base text-neutral-100\/90\">\n                  <p>Gaining access to inspection hatches of underground tanks located in the traffic lane<\/p>\n\n                <\/div>\n                          <\/article>\n                      <article class=\"flex flex-col mb-8 pb-0 p-8 md:flex-row lg:flex-col md:items-start gap-4 border-t border-white\/20 md:border-t-0 md:border-l md:[&#038;:nth-child(2n+1)]:border-l-0\">\n              \n                              <div class=\"text-sm md:text-base text-neutral-100\/90\">\n                  <p>Installation of drive-over covers from various manufacturers<\/p>\n\n                <\/div>\n                          <\/article>\n                      <article class=\"flex flex-col mb-8 pb-0 p-8 md:flex-row lg:flex-col md:items-start gap-4 border-t border-white\/20 md:border-t-0 md:border-l md:[&#038;:nth-child(2n+1)]:border-l-0\">\n              \n                              <div class=\"text-sm md:text-base text-neutral-100\/90\">\n                  <p>Protection of the tank and infrastructure against loads resulting from vehicle traffic<\/p>\n\n                <\/div>\n                          <\/article>\n                      <article class=\"flex flex-col mb-8 pb-0 p-8 md:flex-row lg:flex-col md:items-start gap-4 border-t border-white\/20 md:border-t-0 md:border-l md:[&#038;:nth-child(2n+1)]:border-l-0\">\n              \n                              <div class=\"text-sm md:text-base text-neutral-100\/90\">\n                  <p>Use in locations requiring high durability and resistance to environmental conditions<\/p>\n\n                <\/div>\n                          <\/article>\n                      <article class=\"flex flex-col mb-8 pb-0 p-8 md:flex-row lg:flex-col md:items-start gap-4 border-t border-white\/20 md:border-t-0 md:border-l md:[&#038;:nth-child(2n+1)]:border-l-0\">\n              \n                              <div class=\"text-sm md:text-base text-neutral-100\/90\">\n                  <p>For installation on tanks equipped with manhole collars of 1400\u00d71200 mm and 1200\u00d71200 mm.<\/p>\n\n                <\/div>\n                          <\/article>\n                  <\/div>\n          <\/div>\n  <\/section>\n<\/div>\n\n\n\n<div class=\"align wp-block-sage-product-showcase\">\n  <section class=\"product-showcase container mx-auto mt-8 mb-10 md:mt-14 md:mb-19\">\n    <h2 class=\"text-2xl md:text-3xl font-bold p-8 font-space-grotesk\">Gallery<\/h2>\n    <div class=\"grid grid-cols-1 gap-8 lg:grid-cols-2 lg:gap-10\">\n      <div>\n        <section\n          class=\"relative w-full flex overflow-hidden aspect-[4\/3]\"\n        >\n          <div class=\"slider flex w-full h-full\">\n            <div class=\"swiper-wrapper\">\n                              <div class=\"swiper-slide\">\n                  <div class=\"absolute inset-0 z-0\">\n                    <img width=\"320\" height=\"320\" src=\"https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/QNA4-1.jpg\" class=\"w-full h-full object-contain\" alt=\"\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/QNA4-1.jpg 320w, https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/QNA4-1-300x300.jpg 300w, https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/QNA4-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/>\n                  <\/div>\n                  <div class=\"container mx-auto px-4 flex w-full h-full items-end justify-center pb-6 md:pb-10\">\n                    \n                  <\/div>\n                <\/div>\n                          <\/div>\n\n                      <\/div>\n        <\/section>\n\n              <\/div>\n\n      <div class=\"font-space-grotesk\">\n        <div class=\"acf-innerblocks-container\">\n\n<p class=\"wp-block-paragraph\"><strong>Drive-over manhole NA2<\/strong><br>\u2022 1400\u00d71200 mm<br>\u2022 height 950 mm<br>\u2022 internal opening 920\u00d7920 mm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Drive-over manhole NA3<\/strong><br>\u2022 1400\u00d71200 mm<br>\u2022 height 950 mm<br>\u2022 internal opening 1400\u00d7740 mm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Drive-over manhole QNA4<\/strong><br>\u2022 1200\u00d71200 mm<br>\u2022 height 950 mm<br>\u2022 internal opening 920\u00d7920 mm<\/p>\n\n<\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n<\/div>\n\n\n\n<div class=\"w-full mt-8 mb-10 md:mt-14 md:mb-19 mx-auto align wp-block-sage-sales-representative\">\n    <div class=\"relative grid grid-cols-1 md:grid-cols-2 bg-gray-100 overflow-hidden font-space-grotesk\">\n                    <div\n                class=\"pointer-events-none absolute inset-0 bg-center bg-cover opacity-60\"\n                style=\"background-image: url('https:\/\/cgh-group.com\/wp-content\/uploads\/2026\/03\/sales-background-scaled.webp');\"\n                aria-hidden=\"true\"\n            ><\/div>\n        \n        <div class=\"relative p-8 md:p-10 flex flex-col justify-center bg-white my-14\">\n            <div class=\"font-semibold mb-8 text-4xl\">\n                Contact our expert\n            <\/div>\n            <h2 class=\"text-2xl font-bold text-black mb-5\">\n                Maciej Kornik\n            <\/h2>\n\n                            <div class=\"font-medium mb-8 text-xl\">\n                    Sales Manager\n                <\/div>\n            \n            <div class=\"text-base mb-8\">\n                \n            <\/div>\n\n            <div class=\"space-y-2 text-xl\">\n                                    <div class=\"flex items-center gap-3\">\n                        <img decoding=\"async\"\n                            src=\"https:\/\/cgh-group.com\/wp-content\/themes\/sage\/public\/build\/assets\/Phone-CW8S0lpi.png\"\n                            alt=\"Phone icon\"\n                            class=\"w-6 h-6\"\n                        >\n                        <a href=\"tel:664\u00a0974849\"\n                           class=\"font-semibold transition-colors\">\n                            664\u00a0974 849\n                        <\/a>\n                    <\/div>\n                \n                                    <div class=\"flex items-center gap-3\">\n                        <img decoding=\"async\"\n                            src=\"https:\/\/cgh-group.com\/wp-content\/themes\/sage\/public\/build\/assets\/EnvelopeSimple-D8GkZTrr.png\"\n                            alt=\"Email icon\"\n                            class=\"w-6 h-6\"\n                        >\n                        <a href=\"mailto:maciej.kornik@cgh.com.pl\"\n                           class=\"text-sm sm:text-base font-semibold transition-colors whitespace-nowrap\">\n                            maciej.kornik@cgh.com.pl\n                        <\/a>\n                    <\/div>\n                            <\/div>\n        <\/div>\n\n        <div class=\"relative h-64 md:h-full\">\n                            <img decoding=\"async\"\n                    src=\"https:\/\/cgh-group.com\/wp-content\/uploads\/2026\/04\/Maciej-Kornik-1-1024x683.png\"\n                    alt=\"Maciej Kornik\"\n                    class=\"w-full h-full object-cover object-top\"\n                >\n                    <\/div>\n    <\/div>\n<\/div>\n\n","protected":false},"featured_media":8132,"parent":6288,"menu_order":0,"template":"","class_list":["post-6314","product","type-product","status-publish","has-post-thumbnail","hentry"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/Studzienki-stalowe-najazdowe-scaled.webp",2560,1429,false],"thumbnail":["https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/Studzienki-stalowe-najazdowe-150x150.webp",150,150,true],"medium":["https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/Studzienki-stalowe-najazdowe-300x167.webp",300,167,true],"medium_large":["https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/Studzienki-stalowe-najazdowe-768x429.webp",768,429,true],"large":["https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/Studzienki-stalowe-najazdowe-1024x572.webp",1024,572,true],"1536x1536":["https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/Studzienki-stalowe-najazdowe-1536x857.webp",1536,857,true],"2048x2048":["https:\/\/cgh-group.com\/wp-content\/uploads\/2025\/12\/Studzienki-stalowe-najazdowe-2048x1143.webp",2048,1143,true]},"uagb_author_info":{"display_name":"Robert Chru\u015bci\u0144ski","author_link":"https:\/\/cgh-group.com\/en\/author\/"},"uagb_comment_info":0,"uagb_excerpt":null,"_links":{"self":[{"href":"https:\/\/cgh-group.com\/en\/wp-json\/wp\/v2\/product\/6314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cgh-group.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cgh-group.com\/en\/wp-json\/wp\/v2\/types\/product"}],"up":[{"embeddable":true,"href":"https:\/\/cgh-group.com\/en\/wp-json\/wp\/v2\/product\/6288"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cgh-group.com\/en\/wp-json\/wp\/v2\/media\/8132"}],"wp:attachment":[{"href":"https:\/\/cgh-group.com\/en\/wp-json\/wp\/v2\/media?parent=6314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}