{"id":8391,"date":"2026-04-10T22:41:47","date_gmt":"2026-04-10T22:41:47","guid":{"rendered":"https:\/\/qattertnajd.com\/?post_type=portfolios&#038;p=8391"},"modified":"2026-04-10T22:50:19","modified_gmt":"2026-04-10T22:50:19","slug":"%d9%85%d8%b4%d8%b1%d9%88%d8%b9-%d8%aa%d8%b4%d8%ba%d9%8a%d9%84-%d9%88%d8%b5%d9%8a%d8%a7%d9%86%d8%a9-%d9%85%d8%ad%d8%b7%d8%a9-%d8%aa%d9%83%d8%b1%d9%8a%d8%b1-%d8%a7%d9%84%d9%86%d8%b8%d9%8a%d9%85-%d9%88","status":"publish","type":"portfolios","link":"https:\/\/qattertnajd.com\/en\/%d9%85%d8%b4%d8%b1%d9%88%d8%b9-%d8%aa%d8%b4%d8%ba%d9%8a%d9%84-%d9%88%d8%b5%d9%8a%d8%a7%d9%86%d8%a9-%d9%85%d8%ad%d8%b7%d8%a9-%d8%aa%d9%83%d8%b1%d9%8a%d8%b1-%d8%a7%d9%84%d9%86%d8%b8%d9%8a%d9%85-%d9%88\/","title":{"rendered":"Operation &amp; Maintenance Project of Al-Nadhim Thickening Station and Sludge Removal"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8391\" class=\"elementor elementor-8391\">\n\t\t\t\t<div class=\"elementor-element elementor-element-06eb793 e-con-full e-flex no no e-con e-parent\" data-id=\"06eb793\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b00577b elementor-widget-tablet__width-initial elementor-widget elementor-widget-heading\" data-id=\"b00577b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Implementation of the operation and maintenance of the Nazeem refinery plant in Riyadh in accordance with the highest operational standards<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-560e88d e-flex e-con-boxed no no e-con e-parent\" data-id=\"560e88d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-993a99f elementor-widget-tablet__width-initial elementor-widget elementor-widget-heading\" data-id=\"993a99f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Project Description<\/h3>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-57b2b93 e-con-full e-flex no no e-con e-child\" data-id=\"57b2b93\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f70accb elementor-widget elementor-widget-text-editor\" data-id=\"f70accb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>An integrated operation and maintenance project for the Nazeem Refinery Plant in Riyadh, which includes sludge removal and cleaning of contact tanks, with the aim of ensuring continuity of operation and improving the quality of treated water according to the highest standards of safety and quality.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-155a3e3 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"155a3e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\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<div class=\"elementor-element elementor-element-64a9790 e-con-full e-flex no no e-con e-child\" data-id=\"64a9790\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-cf933f7 e-con-full e-flex no no e-con e-child\" data-id=\"cf933f7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cfab9c elementor-widget elementor-widget-text-editor\" data-id=\"4cfab9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Client<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58ddbfb elementor-widget elementor-widget-text-editor\" data-id=\"58ddbfb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>National Water Company - Mowa<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2336f66 e-con-full e-flex no no e-con e-child\" data-id=\"2336f66\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-28edb51 elementor-widget elementor-widget-text-editor\" data-id=\"28edb51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Service Provided<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-870ef13 elementor-widget elementor-widget-text-editor\" data-id=\"870ef13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Wastewater Treatment Plant Maintenance<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3049b0e e-con-full e-flex no no e-con e-child\" data-id=\"3049b0e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d0c5e15 elementor-widget elementor-widget-text-editor\" data-id=\"d0c5e15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Project Status<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93fc00c elementor-widget elementor-widget-text-editor\" data-id=\"93fc00c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Successfully Completed<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a5e9c60 e-flex e-con-boxed no no e-con e-parent\" data-id=\"a5e9c60\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ab098d8 e-con-full e-flex no no e-con e-child\" data-id=\"ab098d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-acc7f8b e-con-full e-flex no no e-con e-child\" data-id=\"acc7f8b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-61361a0 elementor-widget elementor-widget-image\" data-id=\"61361a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"358\" height=\"848\" src=\"https:\/\/qattertnajd.com\/wp-content\/uploads\/2026\/04\/9.jpg\" class=\"attachment-large size-large wp-image-8399\" alt=\"\" srcset=\"https:\/\/qattertnajd.com\/wp-content\/uploads\/2026\/04\/9.jpg 358w, https:\/\/qattertnajd.com\/wp-content\/uploads\/2026\/04\/9-127x300.jpg 127w\" sizes=\"(max-width: 358px) 100vw, 358px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4cb2336 elementor-absolute elementor-widget elementor-widget-heading\" data-id=\"4cb2336\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Before Work<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fbe727e e-con-full e-flex no no e-con e-child\" data-id=\"fbe727e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c8b2268 e-con-full e-flex no no e-con e-child\" data-id=\"c8b2268\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f80b14 elementor-widget elementor-widget-image\" data-id=\"9f80b14\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"391\" height=\"652\" src=\"https:\/\/qattertnajd.com\/wp-content\/uploads\/2026\/04\/74-1.jpg\" class=\"attachment-large size-large wp-image-8398\" alt=\"\" srcset=\"https:\/\/qattertnajd.com\/wp-content\/uploads\/2026\/04\/74-1.jpg 391w, https:\/\/qattertnajd.com\/wp-content\/uploads\/2026\/04\/74-1-180x300.jpg 180w\" sizes=\"(max-width: 391px) 100vw, 391px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bf6903 elementor-absolute elementor-widget elementor-widget-heading\" data-id=\"7bf6903\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">After Work<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8add787 e-flex e-con-boxed no no e-con e-parent\" data-id=\"8add787\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-586ee5e e-con-full e-flex no no e-con e-child\" data-id=\"586ee5e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-803bfc8 elementor-widget-tablet__width-initial elementor-widget elementor-widget-heading\" data-id=\"803bfc8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Objectives &amp; Challenges<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc9fc56 e-con-full e-flex no no e-con e-child\" data-id=\"bc9fc56\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-acd9f83 elementor-widget elementor-widget-text-editor\" data-id=\"acd9f83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 data-start=\"1851\" data-end=\"1873\">\/ <strong data-start=\"1291\" data-end=\"1316\">Project Overview<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cc411c elementor-widget elementor-widget-text-editor\" data-id=\"9cc411c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"865\" data-end=\"1128\">The project of operation and maintenance of the Nazeem Refinery Plant is one of the advanced operational projects that requires careful management of the daily operations within the wastewater treatment plants, as the project included supervising the operation of the plant, carrying out periodic maintenance works, and removing accumulations that affect the efficiency of performance.<\/p><p data-start=\"1130\" data-end=\"1278\">The project aimed to maintain continuity of operation, improve the quality of treated water, and ensure that all components of the plant operate efficiently in accordance with approved operational standards.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2c5e24 elementor-widget elementor-widget-text-editor\" data-id=\"c2c5e24\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 data-start=\"1851\" data-end=\"1873\">Scope of Work<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8825f7 elementor-widget elementor-widget-text-editor\" data-id=\"a8825f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1308\" data-end=\"1338\">The scope of work in this project included:<\/p><ul data-start=\"1340\" data-end=\"1581\"><li data-section-id=\"58k4wf\" data-start=\"1340\" data-end=\"1393\">Operation of the treatment plant and supervision of daily operations<\/li><li data-section-id=\"hsdzpe\" data-start=\"1394\" data-end=\"1435\">Carrying out periodic and preventive maintenance works<\/li><li data-section-id=\"1rxouk0\" data-start=\"1436\" data-end=\"1476\">Removal of sludge accumulated inside tanks<\/li><li data-section-id=\"2u2hpp\" data-start=\"1477\" data-end=\"1508\">Cleaning and sanitizing contact tanks<\/li><li data-section-id=\"lgxu9b\" data-start=\"1509\" data-end=\"1540\">Treated Water Quality Control<\/li><li data-section-id=\"1rbi0iy\" data-start=\"1541\" data-end=\"1581\">Support operational continuity and reduce downtime<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a74224e elementor-widget elementor-widget-text-editor\" data-id=\"a74224e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 data-start=\"1851\" data-end=\"1873\">\/ <strong data-start=\"2021\" data-end=\"2044\">Project Challenges<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6facfe elementor-widget elementor-widget-text-editor\" data-id=\"b6facfe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1618\" data-end=\"1677\">The project faced a number of important operational challenges, most notably:<\/p><ul data-start=\"1679\" data-end=\"1921\"><li data-section-id=\"niaw5l\" data-start=\"1679\" data-end=\"1717\">Manage non-stop operations<\/li><li data-section-id=\"g0gg67\" data-start=\"1718\" data-end=\"1767\">Dealing with changing operational loads within the terminal<\/li><li data-section-id=\"13kjnnf\" data-start=\"1768\" data-end=\"1825\">Maintaining the quality of treated water within the required standards<\/li><li data-section-id=\"1wuvsb4\" data-start=\"1826\" data-end=\"1872\">Perform maintenance without affecting the flow of operations<\/li><li data-section-id=\"qbkjk8\" data-start=\"1873\" data-end=\"1921\">Coordination between on-site O&amp;M teams<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9432b9 elementor-widget elementor-widget-text-editor\" data-id=\"a9432b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 data-start=\"1851\" data-end=\"1873\">Project Execution and Treatment Methodology<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45c45b3 elementor-widget elementor-widget-text-editor\" data-id=\"45c45b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1969\" data-end=\"2053\">Qattert Najd relied on an integrated operational methodology to ensure the stability of performance within the station, including:<\/p><ul data-start=\"2055\" data-end=\"2356\"><li data-section-id=\"e6bos7\" data-start=\"2055\" data-end=\"2106\">Assessing the operational status of the station and identifying needs<\/li><li data-section-id=\"bcc8ub\" data-start=\"2107\" data-end=\"2139\">Preparing periodic operation and maintenance plans<\/li><li data-section-id=\"bxmwuv\" data-start=\"2140\" data-end=\"2187\">Carrying out preventive maintenance works to reduce breakdowns<\/li><li data-section-id=\"fceuyo\" data-start=\"2188\" data-end=\"2237\">Removing sludge and sediment to improve treatment efficiency<\/li><li data-section-id=\"1ryt01w\" data-start=\"2238\" data-end=\"2292\">Continuous performance monitoring and improving operations<\/li><li data-section-id=\"1eke98l\" data-start=\"2293\" data-end=\"2356\">Coordination with relevant partners to ensure execution according to approved standards<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d660c25 e-flex e-con-boxed no no e-con e-parent\" data-id=\"d660c25\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-051f5b8 e-con-full e-flex no no e-con e-child\" data-id=\"051f5b8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57b9de3 elementor-widget-tablet__width-initial elementor-widget elementor-widget-heading\" data-id=\"57b9de3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Safety and Risk Management<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-002cb63 e-con-full e-flex no no e-con e-child\" data-id=\"002cb63\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ad2bed6 elementor-widget elementor-widget-text-editor\" data-id=\"ad2bed6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2396\" data-end=\"2458\">The project was carried out according to the highest professional safety standards, including:<\/p><ul data-start=\"2460\" data-end=\"2701\"><li data-section-id=\"1k03dvl\" data-start=\"2460\" data-end=\"2502\">Applying safety systems inside the treatment station<\/li><li data-section-id=\"6b0cgd\" data-start=\"2503\" data-end=\"2542\">Use of Personal Protective Equipment (PPE)<\/li><li data-section-id=\"k7zy6v\" data-start=\"2543\" data-end=\"2585\">Risk assessment before maintenance works<\/li><li data-section-id=\"1w85orl\" data-start=\"2586\" data-end=\"2623\">Compliance with the Work Permit System (PTW)<\/li><li data-section-id=\"q9d3nh\" data-start=\"2624\" data-end=\"2656\">Continuous monitoring of the work environment<\/li><li data-section-id=\"1j60ojy\" data-start=\"2657\" data-end=\"2701\">Applying emergency and rapid response procedures<\/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\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"featured_media":8398,"template":"","portfolios_categories":[34],"class_list":["post-8391","portfolios","type-portfolios","status-publish","has-post-thumbnail","hentry","portfolios_categories-34"],"acf":{"featured_video":"","choi\u0441e_menu_page":false,"full_width":false,"header_transparent":false,"header_white":false,"menu_align_page":"default","menu_style":""},"_links":{"self":[{"href":"https:\/\/qattertnajd.com\/en\/wp-json\/wp\/v2\/portfolios\/8391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qattertnajd.com\/en\/wp-json\/wp\/v2\/portfolios"}],"about":[{"href":"https:\/\/qattertnajd.com\/en\/wp-json\/wp\/v2\/types\/portfolios"}],"version-history":[{"count":10,"href":"https:\/\/qattertnajd.com\/en\/wp-json\/wp\/v2\/portfolios\/8391\/revisions"}],"predecessor-version":[{"id":8406,"href":"https:\/\/qattertnajd.com\/en\/wp-json\/wp\/v2\/portfolios\/8391\/revisions\/8406"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qattertnajd.com\/en\/wp-json\/wp\/v2\/media\/8398"}],"wp:attachment":[{"href":"https:\/\/qattertnajd.com\/en\/wp-json\/wp\/v2\/media?parent=8391"}],"wp:term":[{"taxonomy":"portfolios_categories","embeddable":true,"href":"https:\/\/qattertnajd.com\/en\/wp-json\/wp\/v2\/portfolios_categories?post=8391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}