{"id":29441,"date":"2026-07-21T12:08:35","date_gmt":"2026-07-21T12:08:35","guid":{"rendered":"https:\/\/tetra.com.mk\/tetranew\/?post_type=portfolio&#038;p=29441"},"modified":"2026-07-23T11:49:39","modified_gmt":"2026-07-23T11:49:39","slug":"reconstruction-and-modernization-of-eleshec-metropol-and-kalishta-wastewater-pumping-stations","status":"publish","type":"portfolio","link":"https:\/\/tetra.com.mk\/tetranew\/en\/portfolio\/reconstruction-and-modernization-of-eleshec-metropol-and-kalishta-wastewater-pumping-stations\/","title":{"rendered":"Reconstruction and Modernization of Eleshec, Metropol, and Kalishta Wastewater Pumping Stations"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"29441\" class=\"elementor elementor-29441\" data-elementor-post-type=\"portfolio\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-92fcc39 e-flex e-con-boxed e-con e-parent\" data-id=\"92fcc39\" 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-fdbc94b e-con-full e-flex e-con e-child\" data-id=\"fdbc94b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0dc24fe wd-width-100 elementor-widget elementor-widget-wd_video\" data-id=\"0dc24fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-el-video wd-action-overlay wd-video-hosted\">\n\t\t\t\t\t\t\t<video data-lazy-load=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/Tetra_REK2024_FINAL.mp4\" playsinline muted controls><\/video>\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"wd-el-video-overlay wd-fill\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/Tetra_REK2024_FINAL.mp4_snapshot_00.18.144.jpg\" class=\"attachment-full size-full\" alt=\"\" \/>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"wd-el-video-control color-scheme-light wd-fill\">\n\t\t\t\t\t<span class=\"wd-el-video-play-btn\"><\/span>\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t<a class=\"wd-el-video-link wd-el-video-btn-overlay wd-fill wd-el-video-hosted\" href=\"#6af588a01ac4d\" aria-label=\"Play video\"><\/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>\n\t\t<div class=\"elementor-element elementor-element-2d626fc e-con-full e-flex e-con e-child\" data-id=\"2d626fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-dcf05d8 e-con-full e-flex e-con e-child\" data-id=\"dcf05d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4bc84f7 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"4bc84f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-large text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h4 class=\"woodmart-title-container title wd-fontsize-xxl\">Reconstruction and Modernization of Eleshec, Metropol, and Kalishta Wastewater Pumping Stations<\/h4> \n\t\t\t\t\t\t\t<\/div>\n\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-322d514 elementor-widget elementor-widget-wd_text_block\" data-id=\"322d514\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left color-#989898 color-scheme-custom\">\n\t\t\t\n\t\t\t<p data-path-to-node=\"4,2,1,0\">Complete Replacement of Equipment, Automation, and PE Pipelines for PE Collector System<\/p>\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-e2f7b53 elementor-widget elementor-widget-wd_text_block\" data-id=\"e2f7b53\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<p data-path-to-node=\"7,0\">Reconstruction of PS Eleshec, Metropol, and Kalishta with 6 TSURUMI Japan pumps featuring cutter mechanism for Collector System Ohrid (2021-2022).<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-49e72f3 e-flex e-con-boxed e-con e-child\" data-id=\"49e72f3\" 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-298db90 elementor-widget__width-initial elementor-widget elementor-widget-wd_infobox\" data-id=\"298db90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"info-box-wrapper\">\n\t\t\t\t\t\t<div class=\"wd-info-box text-left box-icon-align-top box-style-base color-scheme-\">\n\t\t\t\t\n\t\t\t\t<div class=\"info-box-content\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<h4\t\t\t\t\t\tclass=\"info-box-title title box-title-style-underlined wd-fontsize-s\" data-elementor-setting-key=\"title\">\n\t\t\t\t\t\t\t\tCLIENT\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"info-box-inner reset-last-child\"data-elementor-setting-key=\"content\"><p>YEAR OF EXECUTION<\/p>\n<\/div>\n\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\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<div class=\"elementor-element elementor-element-30e6be8 elementor-widget__width-initial elementor-widget elementor-widget-wd_infobox\" data-id=\"30e6be8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"info-box-wrapper\">\n\t\t\t\t\t\t<div class=\"wd-info-box text-left box-icon-align-top box-style-base color-scheme-\">\n\t\t\t\t\n\t\t\t\t<div class=\"info-box-content\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<h4\t\t\t\t\t\tclass=\"info-box-title title box-title-style-underlined wd-fontsize-s\" data-elementor-setting-key=\"title\">\n\t\t\t\t\t\t\t\t\u0420\u0415\u0410\u041b\u0418\u0417\u0410\u0426\u0418\u0408\u0410\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"info-box-inner reset-last-child\"data-elementor-setting-key=\"content\"><p>2021<\/p>\n<\/div>\n\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\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\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=\"wd-negative-gap elementor-element elementor-element-5d7272e wd-section-stretch e-flex e-con-boxed e-con e-parent\" data-id=\"5d7272e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-31cc149 e-con-full e-flex e-con e-child\" data-id=\"31cc149\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5215fc7 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"5215fc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h4 class=\"woodmart-title-container title wd-fontsize-l\">Implementation of High-Capacity Pumping Systems in Series Connection and Pontoon Installations<\/h4> \n\t\t\t\t\t\t\t<\/div>\n\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-980043f color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"980043f\" 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-path-to-node=\"10\">Between 2021 and 2022, TETRA Bitola successfully implemented a significant public infrastructure project aimed at environmental protection and utility network modernization. The project involved the complete reconstruction of key wastewater pumping stations under the investment of PE COLLECTOR SYSTEM OHRID. Field activities were carried out in several phases, covering both the eastern and western shores of Lake Ohrid, specifically the Eleshec, Metropol, and Kalishta pumping stations.<\/p><p data-path-to-node=\"10\">The scope of work included the complete dismantling of old, worn-out equipment, followed by the procurement, delivery, installation, and commissioning of new submersible wastewater pumps. The systems were delivered complete with PE pressure pipelines, modern electrical power supply installations, and advanced control automation. A total of 6 high-quality TSURUMI Japan pumps equipped with a specialized cutter mechanism were implemented across the three stations to ensure smooth operation with wastewater.<\/p><p data-path-to-node=\"10\">At PS Eleshec, 2 pumps were installed (duty and standby) with a capacity of Q=21 l\/s, head H=10 m, and power P=6 kW. At PS Metropol, 2 units were installed with a capacity of Q=24 l\/s, head H=15 m, and power P=15 kW, while at PS Kalishta, another 2 pumps were integrated with a capacity of Q=18 l\/s, head H=24 m, and power P=15 kW.<\/p><p data-path-to-node=\"10\">Each set was delivered with its own protective control panel, with TETRA providing a long-lasting and reliable technical solution for the municipal sector.<\/p><p data-path-to-node=\"10\">The total scope of work resulted in the commissioning of three complex pumping systems. At the Brod-Gneotino mine, 2 sets were installed consisting of TSURUMI Japan submersible pumps (Q=100 l\/s, H=40 m, P=75 kW) mounted on special floating pontoons, connected in series with BBA PUMPS Netherlands centrifugal pumps (Q=100 l\/s, H=95 m, P=160 kW). These are connected to DN250 PN16 GRE pipelines from Dutch manufacturer FPI-Netherlands with a total length of 3,500 meters. For the Suvodol mine, 1 identical set was installed, but featuring a more powerful BBA PUMPS centrifugal pump (P=400 kW, H=160 m) and a GRE pipeline 1,800 meters long.<\/p><p data-path-to-node=\"10\">The complete equipment was commissioned alongside electrical substations and control panels equipped with variable frequency drives (VFDs), automation, and protective systems. With this project, TETRA once again demonstrated its capability to handle the largest industrial challenges in the region.<\/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\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-6cae9943 e-flex e-con-boxed e-con e-parent\" data-id=\"6cae9943\" 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-ffe505d wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"ffe505d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-default wd-title-size-default text-center\">\n\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"title-subtitle subtitle-color-primary subtitle-style-default wd-fontsize-xs\">\n\t\t\t\t\tEnvironmental Sustainability and Reliability\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h4 class=\"woodmart-title-container title wd-fontsize-l\">Top-Tier Municipal Infrastructure<\/h4> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"title-after_title reset-last-child wd-fontsize-xs\">\n\t\t\t\t\t<p>Explore the installation and commissioning details of the advanced Japanese TSURUMI pumps with cutter mechanism at the Eleshec, Metropol, and Kalishta pumping stations.<\/p>\t\t\t\t<\/div>\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-2bba47d3 wd-width-100 elementor-widget elementor-widget-wd_images_gallery\" data-id=\"2bba47d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_images_gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-images-gallery photoswipe-images\" style=\"--wd-align-items:center; --wd-justify-content:center;\">\n\t\t\t\t\t\t<div class=\"wd-masonry wd-grid-f-col\" style=\"--wd-col-lg:3;--wd-col-md:3;--wd-col-sm:2;--wd-gap-lg:6px;\" >\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wd-gallery-item wd-col\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a  href=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09.jpg\" data-width=\"1200\" data-height=\"1600\" data-index=\"1\" data-elementor-open-lightbox=\"no\">\n\t\t\t\t\t\t\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1600\" src=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09.jpg\" class=\"attachment-full size-full\" alt=\"09\" srcset=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09.jpg 1200w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09-225x300.jpg 225w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09-600x800.jpg 600w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09-768x1024.jpg 768w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09-1152x1536.jpg 1152w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09-430x573.jpg 430w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09-700x933.jpg 700w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/09-150x200.jpg 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wd-gallery-item wd-col\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a  href=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10.jpg\" data-width=\"1600\" data-height=\"1200\" data-index=\"2\" data-elementor-open-lightbox=\"no\">\n\t\t\t\t\t\t\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1200\" src=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10.jpg\" class=\"attachment-full size-full\" alt=\"10\" srcset=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10.jpg 1600w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10-400x300.jpg 400w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10-1067x800.jpg 1067w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10-768x576.jpg 768w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10-1536x1152.jpg 1536w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10-430x323.jpg 430w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10-700x525.jpg 700w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/10-150x113.jpg 150w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wd-gallery-item wd-col\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a  href=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/WEG220-After-the-flood-1.jpg\" data-width=\"2100\" data-height=\"1181\" data-index=\"3\" data-elementor-open-lightbox=\"no\">\n\t\t\t\t\t\t\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2100\" height=\"1181\" src=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/WEG220-After-the-flood-1.jpg\" class=\"attachment-full size-full\" alt=\"WEG220 - After the flood - 1\" srcset=\"https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/WEG220-After-the-flood-1.jpg 2100w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/WEG220-After-the-flood-1-400x225.jpg 400w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/WEG220-After-the-flood-1-1300x731.jpg 1300w, https:\/\/tetra.com.mk\/tetranew\/wp-content\/uploads\/2026\/07\/WEG220-After-the-flood-1-768x432.jpg 768w, 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