
{"id":2843,"date":"2025-11-07T08:39:43","date_gmt":"2025-11-07T01:39:43","guid":{"rendered":"https:\/\/vietmarinecontrol.com.vn\/?p=2843"},"modified":"2025-11-06T16:08:04","modified_gmt":"2025-11-06T09:08:04","slug":"%f0%9f%9b%b3%ef%b8%8f-cargo-hold-watertightness-inspection-by-ultrasonic-test","status":"publish","type":"post","link":"https:\/\/vietmarinecontrol.com.vn\/en\/%f0%9f%9b%b3%ef%b8%8f-cargo-hold-watertightness-inspection-by-ultrasonic-test\/","title":{"rendered":"\ud83d\udef3\ufe0f CARGO HOLD WATERTIGHTNESS INSPECTION BY ULTRASONIC TEST"},"content":{"rendered":"<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2814 alignleft\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426962196_f643ddb4bac0791f4b247bdde44ea240-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426962196_f643ddb4bac0791f4b247bdde44ea240-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426962196_f643ddb4bac0791f4b247bdde44ea240-1024x768.jpg 1024w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426962196_f643ddb4bac0791f4b247bdde44ea240-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426962196_f643ddb4bac0791f4b247bdde44ea240-1536x1152.jpg 1536w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426962196_f643ddb4bac0791f4b247bdde44ea240-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\ud83d\udd39<\/strong><strong> Importance of Watertightness Inspection<\/strong><\/p>\n<p>The watertightness of cargo holds is a crucial factor that directly affects <strong>the safety and preservation of cargo during sea transportation<\/strong>.<br \/>\nEven a small, undetected gap can allow seawater or rainwater to penetrate into the hold, causing moisture, corrosion, or cargo damage \u2014 particularly with <strong>dry or moisture-sensitive cargoes<\/strong> such as steel, cement, machinery, or agricultural products.<br \/>\nSuch leakage not only results in <strong>material loss<\/strong> but also leads to <strong>claims, operational delays, and insurance disputes<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\ud83d\udd39<\/strong><strong> Ultrasonic Testing \u2013 The International Standard Solution<img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2816 alignright\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426885231_c0d8921f3eefbba5867352dd065d7263-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426885231_c0d8921f3eefbba5867352dd065d7263-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426885231_c0d8921f3eefbba5867352dd065d7263-1024x768.jpg 1024w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426885231_c0d8921f3eefbba5867352dd065d7263-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426885231_c0d8921f3eefbba5867352dd065d7263-1536x1152.jpg 1536w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426885231_c0d8921f3eefbba5867352dd065d7263-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/strong><\/p>\n<p>Replacing traditional hose tests that are time-consuming, messy, and less accurate, the <strong>Ultrasonic Tightness Test<\/strong> has become the <strong>international standard (IMO, IACS)<\/strong> for assessing the watertight integrity of cargo holds.<br \/>\nThis modern method provides <strong>fast, accurate, and non-destructive detection<\/strong> of even the smallest leaks, without affecting the vessel\u2019s structure or coating.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2824 alignleft\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426909271_bf159aa99613c2e6121e0dd8b01cffe4-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426909271_bf159aa99613c2e6121e0dd8b01cffe4-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426909271_bf159aa99613c2e6121e0dd8b01cffe4-1024x768.jpg 1024w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426909271_bf159aa99613c2e6121e0dd8b01cffe4-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426909271_bf159aa99613c2e6121e0dd8b01cffe4-1536x1152.jpg 1536w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426909271_bf159aa99613c2e6121e0dd8b01cffe4-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\ud83c\udfaf<\/strong><strong> Objectives of Ultrasonic Tightness Inspection<\/strong><\/p>\n<ul>\n<li>Evaluate the <strong>weather and watertight condition<\/strong> of hatch covers, coamings, rubber packings, hinges, locking systems, and compression bars.<\/li>\n<li><strong>Identify and locate leak points<\/strong> with precision.<\/li>\n<li>Provide a <strong>technical basis<\/strong> for shipowners, charterers, or underwriters to assess cargo readiness.<\/li>\n<li>Minimize <strong>cargo loss, claims, and operational disruption<\/strong> caused by water ingress.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\ud83e\uddea<\/strong><strong> Ultrasonic Testing Procedure<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-2822 alignright\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426908980_f6db247c4866420d964ce3c6f90ceda3-300x225.jpg\" alt=\"\" width=\"174\" height=\"131\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426908980_f6db247c4866420d964ce3c6f90ceda3-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426908980_f6db247c4866420d964ce3c6f90ceda3-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426908980_f6db247c4866420d964ce3c6f90ceda3.jpg 960w\" sizes=\"auto, (max-width: 174px) 100vw, 174px\" \/><\/strong><\/p>\n<p><strong>1\ufe0f<\/strong><strong>\u20e3<\/strong><strong> Preparation:<\/strong><br \/>\nThe vessel should be safely moored with cargo holds cleaned and free from excessive noise.<br \/>\nSpecialized ultrasonic equipment such as <strong>SDT, Cygnus Hatch Sure, or Ultraseal<\/strong> is used for accurate measurements.<\/p>\n<p><strong>2\ufe0f<\/strong><strong>\u20e3<\/strong><strong> Transmitter Placement:<\/strong><br \/>\nAn ultrasonic transmitter is placed inside the sealed cargo hold, emitting sound waves that spread evenly in all directions.<\/p>\n<p><strong>3\ufe0f<\/strong><strong>\u20e3<\/strong><strong> External Scanning:<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2818 alignright\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426886434_f51c9e60f6a2a39d29d0277ec81d5982-300x225.jpg\" alt=\"\" width=\"224\" height=\"168\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426886434_f51c9e60f6a2a39d29d0277ec81d5982-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426886434_f51c9e60f6a2a39d29d0277ec81d5982-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426886434_f51c9e60f6a2a39d29d0277ec81d5982.jpg 960w\" sizes=\"auto, (max-width: 224px) 100vw, 224px\" \/><\/strong><br \/>\nSurveyors use a receiver to scan around hatch coamings, joints, and locking areas from outside.<br \/>\nThe receiver measures the <strong>sound intensity in decibels (dB)<\/strong> to locate any potential leaks or weak points.<\/p>\n<p><strong>4\ufe0f<\/strong><strong>\u20e3<\/strong><strong> Evaluation and Certification:<\/strong><br \/>\nLeakage points are marked, photographed, and recorded.<br \/>\nResults are classified according to international standards: <strong>PASS \/ FAIL<\/strong>.<br \/>\nA formal <strong>Ultrasonic Test Certificate<\/strong> is then issued, serving as a <strong>legally recognized technical document<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2826\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426920530_e575a8e4380db014ded7b72fdcfdbc00-300x225.jpg\" alt=\"\" width=\"206\" height=\"155\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426920530_e575a8e4380db014ded7b72fdcfdbc00-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426920530_e575a8e4380db014ded7b72fdcfdbc00-1024x768.jpg 1024w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426920530_e575a8e4380db014ded7b72fdcfdbc00-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426920530_e575a8e4380db014ded7b72fdcfdbc00-1536x1152.jpg 1536w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426920530_e575a8e4380db014ded7b72fdcfdbc00-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 206px) 100vw, 206px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2830\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426932174_4d1f8fa011419c2fc0780a8359f2fa69-300x225.jpg\" alt=\"\" width=\"205\" height=\"154\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426932174_4d1f8fa011419c2fc0780a8359f2fa69-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426932174_4d1f8fa011419c2fc0780a8359f2fa69-1024x768.jpg 1024w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426932174_4d1f8fa011419c2fc0780a8359f2fa69-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426932174_4d1f8fa011419c2fc0780a8359f2fa69-1536x1152.jpg 1536w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426932174_4d1f8fa011419c2fc0780a8359f2fa69-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 205px) 100vw, 205px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2828\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426924228_02938c492c65ddcdd8bb87d60bebf931-300x225.jpg\" alt=\"\" width=\"207\" height=\"155\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426924228_02938c492c65ddcdd8bb87d60bebf931-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426924228_02938c492c65ddcdd8bb87d60bebf931-1024x768.jpg 1024w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426924228_02938c492c65ddcdd8bb87d60bebf931-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426924228_02938c492c65ddcdd8bb87d60bebf931-1536x1152.jpg 1536w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426924228_02938c492c65ddcdd8bb87d60bebf931-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-2838 alignleft\" src=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426958340_65d16f820d132eae390e758838efbbf0-300x225.jpg\" alt=\"\" width=\"242\" height=\"181\" srcset=\"https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426958340_65d16f820d132eae390e758838efbbf0-300x225.jpg 300w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426958340_65d16f820d132eae390e758838efbbf0-1024x768.jpg 1024w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426958340_65d16f820d132eae390e758838efbbf0-768x576.jpg 768w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426958340_65d16f820d132eae390e758838efbbf0-1536x1152.jpg 1536w, https:\/\/vietmarinecontrol.com.vn\/wp-content\/uploads\/2025\/11\/z7195426958340_65d16f820d132eae390e758838efbbf0-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 242px) 100vw, 242px\" \/>\u2705<\/strong><strong> Why Choose VM CONTROL<\/strong><\/p>\n<ul>\n<li><strong>Highly trained and experienced surveyors<\/strong>, certified and specialized in ultrasonic inspection techniques.<\/li>\n<li><strong>Advanced and regularly calibrated equipment<\/strong> ensuring high accuracy and reliability.<\/li>\n<li><strong>Quick, clean, and non-destructive operations<\/strong>, causing no damage to the vessel\u2019s structure or paint.<\/li>\n<li><strong>Bilingual Vietnamese English inspection certificates<\/strong>, recognized by <strong>shipowners, charterers, and P&amp;I Clubs<\/strong>.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\"><strong>CONTACT INFORMATION<\/strong><\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\"><strong>VIET MARINE CONTROL JOINT STOCK COMPANY (VM CONTROL)<\/strong><\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udccd Address: 1831\/10\/9, Huynh Tan Phat Street, Quarter 2, Nha Be Commune, Ho Chi Minh City, Vietnam<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udcde Hotline: +84 981 600 440 \/ +84 918 114 742<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\ud83c\udf10 Website: www.vietmarinecontrol.com.vn<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udce7 Email: info@vietmarinecontrol.com.vn<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udc49 Contact us for professional advice and detailed service information<\/p>\n","protected":false},"author":2,"featured_media":2814,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22],"tags":[],"class_list":["post-2843","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/posts\/2843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/comments?post=2843"}],"version-history":[{"count":2,"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/posts\/2843\/revisions"}],"predecessor-version":[{"id":2845,"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/posts\/2843\/revisions\/2845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/media\/2814"}],"wp:attachment":[{"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/media?parent=2843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/categories?post=2843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietmarinecontrol.com.vn\/en\/wp-json\/wp\/v2\/tags?post=2843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}