{"id":7930,"date":"2026-09-01T08:33:30","date_gmt":"2026-09-01T08:33:30","guid":{"rendered":"https:\/\/dwi.dk\/?page_id=7930"},"modified":"2026-09-01T08:39:42","modified_gmt":"2026-09-01T08:39:42","slug":"laekagesporing-paa-lolland-falster","status":"publish","type":"page","link":"https:\/\/dwi.dk\/en\/laekagesporing-paa-lolland-falster\/","title":{"rendered":"Leak detection on Lolland-Falster"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"7930\" class=\"elementor elementor-7930\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-17256f41 elementor-section-height-min-height elementor-section-items-stretch elementor-section-content-middle elementor-section-boxed elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"17256f41\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ddc26b\" data-id=\"ddc26b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5240ce41 elementor-widget elementor-widget-heading\" data-id=\"5240ce41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">L\u00e6kagesporing p\u00e5 Lolland-Falster<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43dd7969 elementor-widget elementor-widget-heading\" data-id=\"43dd7969\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vand i udgravningen beviser ingenting<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c9a0ca elementor-widget elementor-widget-text-editor\" data-id=\"0c9a0ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Store dele af Lolland-Falster ligger lavt, og vandspejlet st\u00e5r t\u00e6t under terr\u00e6n. Afvanding er en fast del af landskabet, med dr\u00e6nr\u00f8r og pumpelag som en foruds\u00e6tning for, at markerne og vejene kan bruges.<\/p><p>Det g\u00f8r de s\u00e6dvanlige tegn up\u00e5lidelige. Fugt langs et fundament eller en bl\u00f8d plet i vejkassen om for\u00e5ret kan skyldes en ut\u00e6t vandledning. Det kan lige s\u00e5 godt v\u00e6re grundvand eller dr\u00e6nvand, der opf\u00f8rer sig som det plejer.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a0040d9 elementor-align-left elementor-mobile-align-left elementor-widget elementor-widget-button\" data-id=\"5a0040d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/dwi.dk\/kontakt\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Kontakt os<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-258b5565 elementor-section-content-middle elementor-reverse-tablet elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"258b5565\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-656ff28d\" data-id=\"656ff28d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-136245f elementor-widget elementor-widget-heading\" data-id=\"136245f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Er det drikkevand eller grundvand?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54dc0d06 elementor-widget elementor-widget-text-editor\" data-id=\"54dc0d06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sp\u00f8rgsm\u00e5let skal afg\u00f8res, f\u00f8r gravemaskinen bestilles, og her er sporgas den metode, vinklen kr\u00e6ver. Gassen kan kun komme fra ledningen, s\u00e5 finder vi den i jorden over r\u00f8ret, er vandet drikkevand, og ellers ligger kilden et andet sted.<\/p><p><span style=\"font-weight: 400;\">R\u00f8rgraven g\u00f8r billedet endnu mere uklart, fordi den ofte er det mest gennemtr\u00e6ngelige lag i en tung lerjord. B\u00e5de l\u00e6kagevand og fremmed vand f\u00f8lger derfor graven, indtil den krydser en dr\u00e6nledning eller et vejkassefundament, og dukker op der. St\u00e5r vandspejlet h\u00f8jt omkring ledningen, d\u00e6mpes lydbilledet oveni, og derfor l\u00e6gger vi m\u00e5lingerne i de stille nattetimer, hvor forbruget er lavt og baggrundsst\u00f8jen fra veje og maskiner er v\u00e6k.<\/span><\/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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-79ffcdb3\" data-id=\"79ffcdb3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2511a889 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"2511a889\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4982.png\" title=\"IMG_4982\" alt=\"IMG_4982\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b31fdfc elementor-section-content-middle elementor-reverse-tablet elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"2b31fdfc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-406b1b51\" data-id=\"406b1b51\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76053321 elementor-widget elementor-widget-image\" data-id=\"76053321\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4931.png\" title=\"IMG_4931\" alt=\"IMG_4931\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-68b16554\" data-id=\"68b16554\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-39a7073a elementor-widget elementor-widget-heading\" data-id=\"39a7073a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">L\u00e6kages\u00f8gning p\u00e5 Lolland-Falster mellem landsbyerne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d752cc4 elementor-widget elementor-widget-text-editor\" data-id=\"4d752cc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Landsdelens net er langt i forhold til antallet af tilslutninger. Mellem to landsbyer kan der ligge kilometer af hovedledning uden en enkelt stikledning undervejs, og der er langt mellem de br\u00f8nde og ventiler, vi kan m\u00e5le fra.<\/p><p>Netop d\u00e9r arbejder korrelation bedst. To m\u00e5lepunkter i hver ende af en lang, lige str\u00e6kning d\u00e6kker meget r\u00f8r, og metoden bygger p\u00e5 sammenfaldet mellem de to signaler, hvilket holder, selv n\u00e5r signalet er svagt.<\/p><p>Er forl\u00f8bet ukendt, begynder vi med <a href=\"https:\/\/dwi.dk\/ledningssoegning\/\">ledningss\u00f8gning<\/a>. Kortmaterialet p\u00e5 gamle landstr\u00e6kninger passer ikke altid med virkeligheden, og en r\u00f8rf\u00f8ring, der er sporet og indm\u00e5lt, g\u00f8r b\u00e5de m\u00e5lingen og den senere reparation kortere.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-455ba103 elementor-section-content-middle elementor-reverse-tablet elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"455ba103\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-4b1b61dc\" data-id=\"4b1b61dc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2111e6df elementor-widget elementor-widget-heading\" data-id=\"2111e6df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">N\u00e5r f\u00e5 kubikmeter skal b\u00e6re tabet<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fafc169 elementor-widget elementor-widget-text-editor\" data-id=\"5fafc169\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Et tab fordeles p\u00e5 f\u00e6rre afregnede kubikmeter her end i en by, og det samme hul vejer derfor tungere i NRW-opg\u00f8relsen. Et vandv\u00e6rk med f\u00e5 forbrugere pr. kilometer r\u00f8r kan have et vandtab, der ser voldsomt ud i opg\u00f8relsen, uden at der er sket noget dramatisk i nettet.<br \/>Landbruget h\u00f8rer med i regnestykket. Et stik ud til en g\u00e5rd eller en markvandingshane har en anden forbrugsprofil end en husstand, og et tab derude kan ligge l\u00e6nge, uden at nogen bem\u00e6rker det, fordi forbruget alligevel svinger fra s\u00e6son til s\u00e6son. Vi m\u00e5ler stikledningerne igennem sammen med hovedledningen.<\/p><p>Et tab langt ude p\u00e5 en udl\u00f8ber koster desuden mere at pumpe frem end et tab t\u00e6t ved v\u00e6rket, fordi vandet skal f\u00f8res hele vejen ud, f\u00f8r det siver v\u00e6k. Det er en af grundene til, at vi ofte anbefaler at tage de l\u00e6ngste str\u00e6kninger f\u00f8rst, n\u00e5r r\u00e6kkef\u00f8lgen skal l\u00e6gges.<\/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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-67ccd401\" data-id=\"67ccd401\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7d6197c2 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"7d6197c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwi.dk\/wp-content\/uploads\/2026\/07\/IMG_4867.png\" title=\"IMG_4867\" alt=\"IMG_4867\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-20e91c0b elementor-section-height-min-height elementor-section-items-stretch elementor-section-content-middle elementor-section-boxed elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"20e91c0b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-61a1e9c9\" data-id=\"61a1e9c9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-69b329f2 elementor-widget elementor-widget-image\" data-id=\"69b329f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1280\" height=\"960\" src=\"https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4849.png\" class=\"attachment-full size-full wp-image-7109\" alt=\"\" srcset=\"https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4849.png 1280w, https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4849-300x225.png 300w, https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4849-1024x768.png 1024w, https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4849-768x576.png 768w, https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4849-16x12.png 16w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7a80752b\" data-id=\"7a80752b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-221b57c2 elementor-widget elementor-widget-heading\" data-id=\"221b57c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Overv\u00e5gning, n\u00e5r k\u00f8rselsafstanden er lang<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63992139 elementor-widget elementor-widget-text-editor\" data-id=\"63992139\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>At sende en mand ud og lytte hver uge p\u00e5 et net, der str\u00e6kker sig over mange kilometer landevej, holder ikke i praksis. <a href=\"https:\/\/dwi.dk\/dataloggere\/\">Dataloggere<\/a> placeret i nettet lytter d\u00f8gnet rundt, og <a href=\"https:\/\/dwi.dk\/hydrantai\/\">HydrantAI<\/a> samler m\u00e5lingerne og varsler automatisk ved afvigelser fra det normale m\u00f8nster.<br \/>Det \u00e6ndrer, hvorn\u00e5r vi kommer. I stedet for en fast \u00e5rlig runde over hele nettet bliver bes\u00f8get rettet mod den str\u00e6kning, hvor tallene har flyttet sig.<\/p><p>K\u00f8rselsafstanden tr\u00e6kker i samme retning, n\u00e5r det handler om udstyr. Med landevejskilometer mellem landsbyerne bliver det tungt at rekvirere en operat\u00f8r til hver enkelt mistanke, og derfor har nogle vandv\u00e6rker her s\u00f8geudstyr st\u00e5ende selv, k\u00f8bt eller leaset med service. Har driftsmanden taget et grundkursus, kan den f\u00f8rste afgr\u00e6nsning laves samme dag, mistanken opst\u00e5r, og vi kaldes ud til de str\u00e6kninger, hvor der skal mere til end en lytning.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-305187bf elementor-align-left elementor-mobile-align-left elementor-widget elementor-widget-button\" data-id=\"305187bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"http:\/\/dwi.dk\/raadgivning\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">F\u00e5 r\u00e5dgivning<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ff4c716 elementor-section-content-middle elementor-reverse-tablet elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"7ff4c716\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-11116aa6\" data-id=\"11116aa6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-57bc2e04 elementor-widget elementor-widget-heading\" data-id=\"57bc2e04\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">L\u00e6kagesporing p\u00e5 Lolland-Falster i etaper over flere \u00e5r<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77c08bfa elementor-widget elementor-widget-text-editor\" data-id=\"77c08bfa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>F\u00e5 vandv\u00e6rker har budget til at gennemg\u00e5 hele nettet p\u00e5 \u00e9n gang, og det er sj\u00e6ldent n\u00f8dvendigt. Vi deler nettet i etaper og aftaler med jer, hvilken der tages f\u00f8rst. Hver etape dokumenterer vi s\u00e5 grundigt, at n\u00e6ste \u00e5rs gennemgang kan begynde, hvor den forrige sluttede.<br \/>Etaperne er samtidig en m\u00e5de at f\u00e5 styr p\u00e5 et net, ingen har haft et samlet overblik over i mange \u00e5r. Efter et par s\u00e6soner ligger der en beskrivelse af str\u00e6kninger og fundne ut\u00e6theder, som kan bruges, n\u00e5r r\u00f8rudskiftninger skal prioriteres og l\u00e6gges ind i en investeringsplan.<\/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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-cb3ddde\" data-id=\"cb3ddde\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-69a06b06 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"69a06b06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwi.dk\/wp-content\/uploads\/2026\/06\/IMG_4686.png\" title=\"IMG_4686\" alt=\"IMG_4686\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-element elementor-element-2f42940 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"2f42940\" 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-dd9bb48 wpr-advanced-accordion-icon-side-box elementor-widget elementor-widget-wpr-advanced-accordion\" data-id=\"dd9bb48\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;active_item&quot;:1}\" data-widget_type=\"wpr-advanced-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n            <div class=\"wpr-advanced-accordion\" data-accordion-type=\"accordion\" data-active-index=\"1\" data-accordion-trigger=\"click\" data-interaction-speed=\"0.4\">\n\n\t\t\t\n                \n\t\t\t\t\t<div class=\"wpr-accordion-item-wrap\">\n\t\t\t\t\t\t<button class=\"wpr-acc-button\">\n\t\t\t\t\t\t\t<span class=\"wpr-acc-item-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-icon-box\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-title-icon\">\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"wpr-acc-title-text\">Der st\u00e5r vand i en udgravning. Kan I afg\u00f8re, om det kommer fra vores ledning?<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-close\"><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-open\"><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t<\/button>\n\n\t\t\t\t\t\t<div class=\"wpr-acc-panel\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-panel-content\"><p>Ja. Vi s\u00e6tter sporgas p\u00e5 ledningen og m\u00e5ler over r\u00f8rets forl\u00f8b. Gassen kan kun komme fra r\u00f8ret, s\u00e5 finder vi den, er vandet drikkevand. G\u00f8r vi ikke, skal kilden findes uden for ledningen.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n                    <\/div>\n\n                \n\t\t\t\t\t<div class=\"wpr-accordion-item-wrap\">\n\t\t\t\t\t\t<button class=\"wpr-acc-button\">\n\t\t\t\t\t\t\t<span class=\"wpr-acc-item-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-icon-box\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-title-icon\">\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"wpr-acc-title-text\">Vores net forsyner f\u00e5 husstande pr. kilometer r\u00f8r. Vejer et tab tungere hos os?<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-close\"><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-open\"><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t<\/button>\n\n\t\t\t\t\t\t<div class=\"wpr-acc-panel\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-panel-content\"><p>I opg\u00f8relsen, ja. Den samme ut\u00e6thed fordeles p\u00e5 f\u00e6rre afregnede kubikmeter, s\u00e5 vandtabet fylder mere end i t\u00e6t bebyggelse. Selve s\u00f8gningen bliver til geng\u00e6ld ikke sv\u00e6rere af det.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n                    <\/div>\n\n                \n\t\t\t\t\t<div class=\"wpr-accordion-item-wrap\">\n\t\t\t\t\t\t<button class=\"wpr-acc-button\">\n\t\t\t\t\t\t\t<span class=\"wpr-acc-item-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-icon-box\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-title-icon\">\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"wpr-acc-title-text\">Vi har flere kilometer hovedledning mellem to landsbyer og n\u00e6sten ingen m\u00e5lepunkter undervejs. Hvad g\u00f8r I?<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-close\"><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-open\"><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t<\/button>\n\n\t\t\t\t\t\t<div class=\"wpr-acc-panel\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-panel-content\"><p>Vi m\u00e5ler fra de punkter, der findes i hver ende, og indsn\u00e6vrer str\u00e6kningen derfra. Lange, lige str\u00e6kninger er netop den situation, korrelation er st\u00e6rkest i. Skal vi t\u00e6ttere p\u00e5, s\u00e6tter vi gas ind p\u00e5 den beregnede delstr\u00e6kning.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n                    <\/div>\n\n                \n\t\t\t\t\t<div class=\"wpr-accordion-item-wrap\">\n\t\t\t\t\t\t<button class=\"wpr-acc-button\">\n\t\t\t\t\t\t\t<span class=\"wpr-acc-item-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-icon-box\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-title-icon\">\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"wpr-acc-title-text\">Vi har dr\u00e6nledninger overalt og et pumpelag, der styrer vandstanden. Forstyrrer det jeres m\u00e5ling?<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-close\"><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-open\"><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t<\/button>\n\n\t\t\t\t\t\t<div class=\"wpr-acc-panel\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-panel-content\"><p>Dr\u00e6n og pumpedrift flytter vand rundt t\u00e6t under terr\u00e6n, og det g\u00f8r fugt til en usikker indikation. M\u00e5lingen p\u00e5virkes ikke: sporgas afg\u00f8r, om vandet stammer fra ledningen, uanset hvor v\u00e5dt der er omkring.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n                    <\/div>\n\n                \n\t\t\t\t\t<div class=\"wpr-accordion-item-wrap\">\n\t\t\t\t\t\t<button class=\"wpr-acc-button\">\n\t\t\t\t\t\t\t<span class=\"wpr-acc-item-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-icon-box\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-title-icon\">\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"wpr-acc-title-text\">Hvordan ved vi, om tabet ligger p\u00e5 hovedledningen eller ude ved stikkene?<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-close\"><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t<span class=\"wpr-toggle-icon wpr-ti-open\"><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t<\/button>\n\n\t\t\t\t\t\t<div class=\"wpr-acc-panel\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wpr-acc-panel-content\"><p>Det finder vi ved at m\u00e5le i zoner. Vi lukker eller isolerer str\u00e6kninger via eksisterende ventiler og f\u00f8lger, hvor natforbruget falder. Det peger p\u00e5 delstr\u00e6kningen, f\u00f8r vi begynder at s\u00f8ge efter selve hullet.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n                    <\/div>\n\n                            <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbfc277 elementor-widget elementor-widget-html\" data-id=\"bbfc277\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [{\n    \"@type\": \"Question\",\n    \"name\": \"Reparerer I ogs\u00e5 l\u00e6kagen?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Nej, vi lokaliserer og dokumenterer den. Reparationen udf\u00f8rer jeres VVS'er eller entrepren\u00f8r \u2013 og vi samarbejder gerne direkte med dem.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"Kan I unders\u00f8ge vores virksomheds interne ledningsnet?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Ja. Interne forsyningsledninger p\u00e5 store matrikler er en af vores faste opgavetyper, og m\u00e5lingerne forstyrrer ikke driften.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"Hvor hurtigt kan I v\u00e6re i Ballerup?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Ved akutte brud ofte samme dag. Akuttelefonen er +45 70 23 98 98.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"Kan I bekr\u00e6fte, at nettet er t\u00e6t efter en reparation?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Ja, vi kan m\u00e5le igen efter udbedringen og dokumentere, at l\u00e6kagen er v\u00e6k.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"Hvad koster en lokalisering?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Det afh\u00e6nger af nettets omfang og adgangsforholdene. Ring eller skriv, s\u00e5 vurderer vi opgaven konkret.\"\n    }\n  }]\n}\n<\/script>\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1a03a90 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"1a03a90\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-33668d9\" data-id=\"33668d9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-37e7043 elementor-widget elementor-widget-heading\" data-id=\"37e7043\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Kontakt DWI<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-464ecd9 elementor-widget elementor-widget-text-editor\" data-id=\"464ecd9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Kontakt os for kompetent r\u00e5dgivning, l\u00e6kages\u00f8gning og ledningslokalisering til dit vandv\u00e6rk eller vandforsyning. Vi assisterer ogs\u00e5 erhvervskunder og private husstande med professionelle l\u00f8sninger.<\/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-ed729d4 e-grid e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"ed729d4\" 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-93b57c2 elementor-view-framed elementor-shape-circle elementor-widget elementor-widget-icon\" data-id=\"93b57c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"fas fa-phone\"><\/i>\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-0e9434d elementor-view-framed elementor-shape-circle elementor-widget elementor-widget-icon\" data-id=\"0e9434d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"fas fa-mail-bulk\"><\/i>\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-39a8f48 elementor-widget elementor-widget-text-editor\" data-id=\"39a8f48\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0<\/p><p><strong>Telefon<\/strong><\/p><p><a href=\"tel:+4531723131\">+45 31 72 31 31<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d52162b elementor-widget elementor-widget-text-editor\" data-id=\"d52162b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u00a0<\/strong><\/p><p><strong>Email<\/strong><\/p><p><a href=\"mailto:info@dwi.dk\">info@dwi.dk<\/a><\/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\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":"<p>L\u00e6kagesporing p\u00e5 Lolland-Falster Vand i udgravningen beviser ingenting Store dele af Lolland-Falster ligger lavt, og vandspejlet st\u00e5r t\u00e6t under terr\u00e6n. Afvanding er en fast del af landskabet, med dr\u00e6nr\u00f8r og pumpelag som en foruds\u00e6tning for, at markerne og vejene kan bruges. Det g\u00f8r de s\u00e6dvanlige tegn up\u00e5lidelige. Fugt langs et fundament eller en bl\u00f8d plet i vejkassen om for\u00e5ret kan skyldes en ut\u00e6t vandledning. Det kan lige s\u00e5 godt v\u00e6re grundvand eller dr\u00e6nvand, der opf\u00f8rer sig som det plejer. Kontakt os Er det drikkevand eller grundvand? Sp\u00f8rgsm\u00e5let skal afg\u00f8res, f\u00f8r gravemaskinen bestilles, og her er sporgas den metode, vinklen kr\u00e6ver. Gassen kan kun komme fra ledningen, s\u00e5 finder vi den i jorden over r\u00f8ret, er vandet drikkevand, og ellers ligger kilden et andet sted. R\u00f8rgraven g\u00f8r billedet endnu mere uklart, fordi den ofte er det mest gennemtr\u00e6ngelige lag i en tung lerjord. B\u00e5de l\u00e6kagevand og fremmed vand f\u00f8lger derfor graven, indtil den krydser en dr\u00e6nledning eller et vejkassefundament, og dukker op der. St\u00e5r vandspejlet h\u00f8jt omkring ledningen, d\u00e6mpes lydbilledet oveni, og derfor l\u00e6gger vi m\u00e5lingerne i de stille nattetimer, hvor forbruget er lavt og baggrundsst\u00f8jen fra veje og maskiner er v\u00e6k. L\u00e6kages\u00f8gning p\u00e5 Lolland-Falster mellem landsbyerne Landsdelens net er langt i forhold til antallet af tilslutninger. Mellem to landsbyer kan der ligge kilometer af hovedledning uden en enkelt stikledning undervejs, og der er langt mellem de br\u00f8nde og ventiler, vi kan m\u00e5le fra. Netop d\u00e9r arbejder korrelation bedst. To m\u00e5lepunkter i hver ende af en lang, lige str\u00e6kning d\u00e6kker meget r\u00f8r, og metoden bygger p\u00e5 sammenfaldet mellem de to signaler, hvilket holder, selv n\u00e5r signalet er svagt. Er forl\u00f8bet ukendt, begynder vi med ledningss\u00f8gning. Kortmaterialet p\u00e5 gamle landstr\u00e6kninger passer ikke altid med virkeligheden, og en r\u00f8rf\u00f8ring, der er sporet og indm\u00e5lt, g\u00f8r b\u00e5de m\u00e5lingen og den senere reparation kortere. N\u00e5r f\u00e5 kubikmeter skal b\u00e6re tabet Et tab fordeles p\u00e5 f\u00e6rre afregnede kubikmeter her end i en by, og det samme hul vejer derfor tungere i NRW-opg\u00f8relsen. Et vandv\u00e6rk med f\u00e5 forbrugere pr. kilometer r\u00f8r kan have et vandtab, der ser voldsomt ud i opg\u00f8relsen, uden at der er sket noget dramatisk i nettet.Landbruget h\u00f8rer med i regnestykket. Et stik ud til en g\u00e5rd eller en markvandingshane har en anden forbrugsprofil end en husstand, og et tab derude kan ligge l\u00e6nge, uden at nogen bem\u00e6rker det, fordi forbruget alligevel svinger fra s\u00e6son til s\u00e6son. Vi m\u00e5ler stikledningerne igennem sammen med hovedledningen. Et tab langt ude p\u00e5 en udl\u00f8ber koster desuden mere at pumpe frem end et tab t\u00e6t ved v\u00e6rket, fordi vandet skal f\u00f8res hele vejen ud, f\u00f8r det siver v\u00e6k. Det er en af grundene til, at vi ofte anbefaler at tage de l\u00e6ngste str\u00e6kninger f\u00f8rst, n\u00e5r r\u00e6kkef\u00f8lgen skal l\u00e6gges. Overv\u00e5gning, n\u00e5r k\u00f8rselsafstanden er lang At sende en mand ud og lytte hver uge p\u00e5 et net, der str\u00e6kker sig over mange kilometer landevej, holder ikke i praksis. Dataloggere placeret i nettet lytter d\u00f8gnet rundt, og HydrantAI samler m\u00e5lingerne og varsler automatisk ved afvigelser fra det normale m\u00f8nster.Det \u00e6ndrer, hvorn\u00e5r vi kommer. I stedet for en fast \u00e5rlig runde over hele nettet bliver bes\u00f8get rettet mod den str\u00e6kning, hvor tallene har flyttet sig. K\u00f8rselsafstanden tr\u00e6kker i samme retning, n\u00e5r det handler om udstyr. Med landevejskilometer mellem landsbyerne bliver det tungt at rekvirere en operat\u00f8r til hver enkelt mistanke, og derfor har nogle vandv\u00e6rker her s\u00f8geudstyr st\u00e5ende selv, k\u00f8bt eller leaset med service. Har driftsmanden taget et grundkursus, kan den f\u00f8rste afgr\u00e6nsning laves samme dag, mistanken opst\u00e5r, og vi kaldes ud til de str\u00e6kninger, hvor der skal mere til end en lytning. F\u00e5 r\u00e5dgivning L\u00e6kagesporing p\u00e5 Lolland-Falster i etaper over flere \u00e5r F\u00e5 vandv\u00e6rker har budget til at gennemg\u00e5 hele nettet p\u00e5 \u00e9n gang, og det er sj\u00e6ldent n\u00f8dvendigt. Vi deler nettet i etaper og aftaler med jer, hvilken der tages f\u00f8rst. Hver etape dokumenterer vi s\u00e5 grundigt, at n\u00e6ste \u00e5rs gennemgang kan begynde, hvor den forrige sluttede.Etaperne er samtidig en m\u00e5de at f\u00e5 styr p\u00e5 et net, ingen har haft et samlet overblik over i mange \u00e5r. Efter et par s\u00e6soner ligger der en beskrivelse af str\u00e6kninger og fundne ut\u00e6theder, som kan bruges, n\u00e5r r\u00f8rudskiftninger skal prioriteres og l\u00e6gges ind i en investeringsplan. Der st\u00e5r vand i en udgravning. Kan I afg\u00f8re, om det kommer fra vores ledning? Ja. Vi s\u00e6tter sporgas p\u00e5 ledningen og m\u00e5ler over r\u00f8rets forl\u00f8b. Gassen kan kun komme fra r\u00f8ret, s\u00e5 finder vi den, er vandet drikkevand. G\u00f8r vi ikke, skal kilden findes uden for ledningen. Vores net forsyner f\u00e5 husstande pr. kilometer r\u00f8r. Vejer et tab tungere hos os? I opg\u00f8relsen, ja. Den samme ut\u00e6thed fordeles p\u00e5 f\u00e6rre afregnede kubikmeter, s\u00e5 vandtabet fylder mere end i t\u00e6t bebyggelse. Selve s\u00f8gningen bliver til geng\u00e6ld ikke sv\u00e6rere af det. Vi har flere kilometer hovedledning mellem to landsbyer og n\u00e6sten ingen m\u00e5lepunkter undervejs. Hvad g\u00f8r I? Vi m\u00e5ler fra de punkter, der findes i hver ende, og indsn\u00e6vrer str\u00e6kningen derfra. Lange, lige str\u00e6kninger er netop den situation, korrelation er st\u00e6rkest i. Skal vi t\u00e6ttere p\u00e5, s\u00e6tter vi gas ind p\u00e5 den beregnede delstr\u00e6kning. Vi har dr\u00e6nledninger overalt og et pumpelag, der styrer vandstanden. Forstyrrer det jeres m\u00e5ling? Dr\u00e6n og pumpedrift flytter vand rundt t\u00e6t under terr\u00e6n, og det g\u00f8r fugt til en usikker indikation. M\u00e5lingen p\u00e5virkes ikke: sporgas afg\u00f8r, om vandet stammer fra ledningen, uanset hvor v\u00e5dt der er omkring. Hvordan ved vi, om tabet ligger p\u00e5 hovedledningen eller ude ved stikkene? Det finder vi ved at m\u00e5le i zoner. Vi lukker eller isolerer str\u00e6kninger via eksisterende ventiler og f\u00f8lger, hvor natforbruget falder. Det peger p\u00e5 delstr\u00e6kningen, f\u00f8r vi begynder at s\u00f8ge efter selve hullet. Kontakt DWI Kontakt os for kompetent r\u00e5dgivning, l\u00e6kages\u00f8gning og ledningslokalisering til dit vandv\u00e6rk eller vandforsyning. Vi assisterer ogs\u00e5 erhvervskunder og private husstande med professionelle l\u00f8sninger. \u00a0 Telefon +45 31 72 31 31 \u00a0 Email info@dwi.dk<\/p>","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-7930","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L\u00e6kagesporing p\u00e5 Lolland-Falster | L\u00e6kages\u00f8gning \u2013 DWI<\/title>\n<meta name=\"description\" content=\"L\u00e6kagesporing p\u00e5 Lolland-Falster: lange str\u00e6kninger med f\u00e5 tilslutninger, hvor et tab vejer tungt. 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