{"id":6694,"date":"2025-05-27T11:29:23","date_gmt":"2025-05-27T09:29:23","guid":{"rendered":"https:\/\/www.siphoniker.at\/?p=6694"},"modified":"2025-06-05T12:03:00","modified_gmt":"2025-06-05T10:03:00","slug":"sprievodca-dimenzovanim-odvodnenia-striech-balkonov-a-teras","status":"publish","type":"post","link":"https:\/\/www.siphoniker.at\/sk\/sprievodca-dimenzovanim-odvodnenia-striech-balkonov-a-teras\/","title":{"rendered":"Sprievodca dimenzovan\u00edm odvodnenia striech, balk\u00f3nov a ter\u00e1s"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6694\" class=\"elementor elementor-6694 elementor-6303\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8105334 e-flex e-con-boxed e-con e-parent\" data-id=\"8105334\" 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-b52cb56 elementor-widget elementor-widget-text-editor\" data-id=\"b52cb56\" 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>T\u00e1to pr\u00edru\u010dka poskytuje komplexn\u00fd \u00favod do technick\u00fdch po\u017eiadaviek a v\u00fdpo\u010dtov pre dimenzovanie odvod\u0148ovac\u00edch syst\u00e9mov pre strechy, balk\u00f3ny a terasy. R\u00f4zne rie\u0161enia odvodnenia a ich \u0161pecifick\u00e9 v\u00fdhody a nev\u00fdhody sa zva\u017euj\u00fa s cie\u013eom zabezpe\u010di\u0165 spo\u013eahliv\u00e9 a \u0161tandardne vyhovuj\u00face pl\u00e1novanie. Cie\u013eom je zabr\u00e1ni\u0165 po\u0161kodeniu vlhkos\u0165ou a zaplaveniam prostredn\u00edctvom \u00fa\u010dinn\u00fdch rie\u0161en\u00ed odvodnenia a zabezpe\u010di\u0165 dlhodob\u00fa funk\u010dnos\u0165 a bezpe\u010dnos\u0165 budovy.<\/strong><\/p><p>Hoci sa siln\u00e9 da\u017ede, ktor\u00e9 m\u00f4\u017eu vies\u0165 k z\u00e1plav\u00e1m a po\u0161kodeniu budov, ozna\u010duj\u00fa ako extr\u00e9mne poveternostn\u00e9 udalosti, ve\u013ek\u00e9 mno\u017estvo zr\u00e1\u017eok, ku ktor\u00e9mu doch\u00e1dza lok\u00e1lne v kr\u00e1tkom \u010dasovom obdob\u00ed, sa v na\u0161ich zemepisn\u00fdch \u0161\u00edrkach stalo takmer normou. Za to sa \u010dasto obvi\u0148uje zmena kl\u00edmy \u2013 realita, s ktorou sa mus\u00edme vyrovna\u0165, \u010di sa n\u00e1m to p\u00e1\u010di alebo nie. Preto je o to d\u00f4le\u017eitej\u0161ie pl\u00e1nova\u0165 a realizova\u0165 odvodnenie da\u017e\u010fovej vody z budovy \u2013 najm\u00e4 zo striech, balk\u00f3nov a ter\u00e1s \u2013 v s\u00falade s normami a starostlivo, aby sa predi\u0161lo po\u0161kodeniu vlhkos\u0165ou.<\/p><p>D\u00f4kaz o s\u00falade pl\u00e1novania odkvapov\u00e9ho syst\u00e9mu s normami si vy\u017eaduje hydraulick\u00fd v\u00fdpo\u010det \u0161pecifick\u00fd pre projekt a komplexn\u00fa dokument\u00e1ciu.<\/p><h3>Z\u00e1klady odvod\u0148ovania da\u017e\u010fovej vody<\/h3><p>Predt\u00fdm, ako sa pozrieme na konkr\u00e9tny pr\u00edklad interpret\u00e1cie, je nevyhnutn\u00e9 pozna\u0165 niektor\u00e9 z\u00e1klady a rozdiely.<\/p><p><strong>Z \u010doho pozost\u00e1va odvod\u0148ovac\u00ed syst\u00e9m strechy?<br \/><\/strong>Najd\u00f4le\u017eitej\u0161ie komponenty syst\u00e9mu odvodnenia strechy s\u00fa:<\/p><ul><li>Odkvapy alebo stre\u0161n\u00e9 vpusty (tie musia by\u0165 bezpe\u010dne integrovan\u00e9 do hydroizol\u00e1cie budovy)<\/li><li>Odvod\u0148ovacie potrubia<\/li><li>Syst\u00e9m upevnenia potrubia<\/li><li>V pr\u00edpade potreby izol\u00e1cia odkvapov\u00fdch potrub\u00ed od kondenz\u00e1tu<\/li><li>Protipo\u017eiarne, zvukov\u00e9 a protihlukov\u00e9 opatrenia.<\/li><\/ul><p>\u00a0<\/p><p>Vybran\u00e9 komponenty z\u00e1visia do zna\u010dnej miery od zvolen\u00e9ho typu odvodnenia. Teraz sa budeme venova\u0165 tomu, ak\u00e9 z\u00e1kladn\u00e9 odvod\u0148ovacie syst\u00e9my existuj\u00fa a ako sa rozli\u0161uj\u00fa.<\/p><h3>Rozli\u0161ovanie pod\u013ea princ\u00edpu odvod\u0148ovania<\/h3><p>Pokia\u013e ide o odvodnenie da\u017e\u010fovej vody, rozli\u0161uje sa medzi dvoma z\u00e1kladn\u00fdmi syst\u00e9mami. Oba syst\u00e9my sa v\u00fdrazne l\u00ed\u0161ia v kon\u0161trukcii vedenia potrub\u00ed a rozmeroch potrubia.<\/p><p><strong>Odvodnenie konven\u010dn\u00e9 (gravita\u010dn\u00fd princ\u00edp)<br \/><\/strong>Pri konven\u010dnom (klasickom) odvodnen\u00ed je da\u017e\u010fov\u00e1 voda odv\u00e1dzan\u00e1 gravit\u00e1ciou cez zvodov\u00e9 potrubia polo\u017een\u00e9 so sp\u00e1dom. Toto sa tie\u017e ozna\u010duje ako gravita\u010dn\u00e9 odvodnenie.<\/p><p>Pl\u00e1novanie predpoklad\u00e1, \u017ee horizont\u00e1lne potrubia na da\u017e\u010fov\u00fa vodu s\u00fa naplnen\u00e9 vodou pribli\u017ene na 70 % a vertik\u00e1lne zvody pribli\u017ene na 33 %. Tieto hodnoty pom\u00e1haj\u00fa spr\u00e1vne ur\u010di\u0165 po\u017eadovan\u00e9 rozmery potrubia.<\/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=\"elementor-element elementor-element-515c24e e-flex e-con-boxed e-con e-parent\" data-id=\"515c24e\" 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-1245776 elementor-widget elementor-widget-image\" data-id=\"1245776\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"566\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb01_Schema-Freispiegelentwasserung-1024x724.png\" class=\"attachment-large size-large wp-image-6471\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb01_Schema-Freispiegelentwasserung-1024x724.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb01_Schema-Freispiegelentwasserung-300x212.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb01_Schema-Freispiegelentwasserung-768x543.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb01_Schema-Freispiegelentwasserung-1536x1086.png 1536w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb01_Schema-Freispiegelentwasserung-2048x1448.png 2048w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb01_Schema-Freispiegelentwasserung-1920x1357.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 1: Sch\u00e9ma gravita\u010dn\u00e9ho odvodnenia<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2974fd8 e-flex e-con-boxed e-con e-parent\" data-id=\"2974fd8\" 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-690c02e elementor-widget elementor-widget-spacer\" data-id=\"690c02e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-5524aaa elementor-widget elementor-widget-text-editor\" data-id=\"5524aaa\" 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>V\u00e1kuov\u00e9 odvodnenie (princ\u00edp ods\u00e1vania)<br \/><\/strong>Naproti tomu odvodnenie striech s podtlakov\u00fdm alebo tlakov\u00fdm pr\u00faden\u00edm funguje na princ\u00edpe \u00fapln\u00e9ho naplnenia. Da\u017e\u010fov\u00e1 voda je doslova ods\u00e1van\u00e1 zo strechy. Pri n\u00edzkom \u00fahrne zr\u00e1\u017eok sa sac\u00ed efekt prejavuje len sporadicky alebo v\u00f4bec, tak\u017ee v\u00fdhody tohto syst\u00e9mu sa plne prejavia a\u017e pri dostato\u010dnom mno\u017estve zr\u00e1\u017eok.<\/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=\"elementor-element elementor-element-f669c28 e-flex e-con-boxed e-con e-parent\" data-id=\"f669c28\" 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-8c8ee3d elementor-widget elementor-widget-image\" data-id=\"8c8ee3d\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"566\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb02_Schema-Unterdruckentwasserung-1024x724.png\" class=\"attachment-large size-large wp-image-6482\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb02_Schema-Unterdruckentwasserung-1024x724.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb02_Schema-Unterdruckentwasserung-300x212.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb02_Schema-Unterdruckentwasserung-768x543.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb02_Schema-Unterdruckentwasserung-1536x1086.png 1536w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb02_Schema-Unterdruckentwasserung-2048x1448.png 2048w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb02_Schema-Unterdruckentwasserung-1920x1357.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 2: Sch\u00e9ma v\u00e1kuov\u00e9ho dren\u00e1\u017eneho syst\u00e9mu<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a79ac65 e-flex e-con-boxed e-con e-parent\" data-id=\"a79ac65\" 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-ba021bd elementor-widget elementor-widget-text-editor\" data-id=\"ba021bd\" 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<h3>Kedy sa ktor\u00fd syst\u00e9m pou\u017e\u00edva?<\/h3><p>Ve\u013ek\u00e9 stre\u0161n\u00e9 plochy so \u0161irok\u00fdm rozp\u00e4t\u00edm sa teraz prednostne odvod\u0148uj\u00fa pomocou princ\u00edpu podtlaku, preto\u017ee tento syst\u00e9m vy\u017eaduje menej materi\u00e1lu a pr\u00e1ce. V\u010faka bezsp\u00e1dov\u00e9mu vedeniu potrubia pod stre\u0161nou kon\u0161trukciou, ktor\u00e9 je pri tomto syst\u00e9me povolen\u00e9, pon\u00faka podtlakov\u00e1 dren\u00e1\u017e priestorovo \u00fasporn\u00e9 rie\u0161enie, najm\u00e4 vo v\u00fd\u0161kov\u00fdch skladoch. Pl\u00e1novanie a v\u00fdpo\u010det tak\u00fdchto syst\u00e9mov vykon\u00e1va takmer v\u00fdlu\u010dne pr\u00edslu\u0161n\u00fd poskytovate\u013e syst\u00e9mu.<\/p><p>Nie ka\u017ed\u00fd stre\u0161n\u00fd povrch je vhodn\u00fd na odvodnenie s podtlakov\u00fdm syst\u00e9mom, ako napr\u00edklad stre\u0161n\u00e9 terasy, balk\u00f3ny alebo strechy obytn\u00fdch budov. V ur\u010dit\u00fdch pr\u00edpadoch m\u00f4\u017ee by\u0165 pre sklady alebo v\u00fdrobn\u00e9 haly lep\u0161ou vo\u013ebou aj konven\u010dn\u00e1 dren\u00e1\u017e.<\/p><p>Ak\u00e9 s\u00fa argumenty v prospech konven\u010dnej\/gravita\u010dnej dren\u00e1\u017ee:<\/p><ul><li>N\u00e1vrh syst\u00e9mu m\u00f4\u017ee realizova\u0165 samotn\u00fd projektant v jednoduch\u00fdch krokoch s pou\u017eit\u00edm noriem EN1253-2 a EN12056-3. Neexistuje \u017eiadna z\u00e1vislos\u0165 od poskytovate\u013ea syst\u00e9mu!<\/li><li>V stre\u0161n\u00fdch kon\u0161trukci\u00e1ch s n\u00edzkym koeficientom odtoku, ako s\u00fa napr\u00edklad zelen\u00e9 strechy, sa da\u017e\u010fov\u00e1 voda zadr\u017eiava a odv\u00e1dza do odtoku v men\u0161om mno\u017estve, tak\u017ee nie je mo\u017en\u00e9 dosiahnu\u0165 \u00fapln\u00e9 naplnenie. V tomto pr\u00edpade m\u00e1 v\u00e4\u010d\u0161\u00ed zmysel syst\u00e9m s potrub\u00edm ulo\u017een\u00fdmi v sp\u00e1de<\/li><li>Pri malom mno\u017estve vody a horizont\u00e1lnom usporiadan\u00ed potrubia bez sp\u00e1du (v\u00e1kuov\u00e9 odvodnenie) sa zvy\u0161uje riziko upchatia, preto\u017ee sa str\u00e1ca samo\u010distiaci \u00fa\u010dinok v d\u00f4sledku ne\u00fapln\u00e9ho naplnenia potrubia. Aj tu m\u00e1 v\u00e4\u010d\u0161\u00ed zmysel konven\u010dn\u00e9 odvodnenie<\/li><\/ul><p>\u00a0<\/p><p>Ktor\u00fd z t\u00fdchto dvoch syst\u00e9mov je v kone\u010dnom d\u00f4sledku z ekonomick\u00e9ho a technick\u00e9ho h\u013eadiska najrozumnej\u0161\u00ed, by mal projektant v\u017edy posudzova\u0165 individu\u00e1lne.<\/p><p>Ke\u010f\u017ee n\u00e1vrh v\u00e1kuov\u00e9ho odvodnenia v\u017edy z\u00e1vis\u00ed od syst\u00e9mu alebo v\u00fdrobcu, a preto nemo\u017eno urobi\u0165 \u017eiadne v\u0161eobecn\u00e9 vyhl\u00e1senia o projektovan\u00ed a realiz\u00e1cii, nebude sa to v tejto smernici bra\u0165 do \u00favahy. \u010ealej bude podrobne presk\u00faman\u00fd n\u00e1vrh gravita\u010dn\u00e9ho odvod\u0148ovacieho syst\u00e9mu.<\/p><p>Pri gravita\u010dnom odvod\u0148ovan\u00ed je v\u0161ak potrebn\u00e9 zv\u00e1\u017ei\u0165 e\u0161te dva rozdiely. Rozdiel pod\u013ea sch\u00e9my zapojenia potrubia a rozdiel pod\u013ea sp\u00f4sobu pripojenia.<\/p><h3>Diferenci\u00e1cia pod\u013ea sch\u00e9my potrubia<\/h3><p>Pri konven\u010dnej gravita\u010dnej dren\u00e1\u017ei je \u010fal\u0161\u00edm d\u00f4le\u017eit\u00fdm rozli\u0161ovac\u00edm znakom usporiadanie potrubia.<\/p><p><strong>Jednoduch\u00e9 pripojenie potrubia, uzavret\u00fd syst\u00e9m<br \/><\/strong>Ka\u017ed\u00fd stre\u0161n\u00fd vtok je samostatne pripojen\u00fd k zemn\u00e9mu potrubiu v rovnakom rozmere v celom rozsahu.<\/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=\"elementor-element elementor-element-69333b3 e-flex e-con-boxed e-con e-parent\" data-id=\"69333b3\" 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-d6b1699 elementor-widget elementor-widget-image\" data-id=\"d6b1699\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"566\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb03_Schema-geschlossenes-System-1024x724.png\" class=\"attachment-large size-large wp-image-6490\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb03_Schema-geschlossenes-System-1024x724.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb03_Schema-geschlossenes-System-300x212.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb03_Schema-geschlossenes-System-768x543.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb03_Schema-geschlossenes-System-1536x1086.png 1536w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb03_Schema-geschlossenes-System-2048x1448.png 2048w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb03_Schema-geschlossenes-System-1920x1357.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 3: Sch\u00e9ma uzavret\u00e9ho syst\u00e9mu (potrubie s jedn\u00fdm pripojen\u00edm)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b3ecccd e-flex e-con-boxed e-con e-parent\" data-id=\"b3ecccd\" 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-f3013d1 elementor-widget elementor-widget-text-editor\" data-id=\"f3013d1\" 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>Uzavret\u00fd syst\u00e9m znamen\u00e1, \u017ee stre\u0161n\u00fd vpust je pevne spojen\u00fd so zvodov\u00fdm potrub\u00edm, ako je zn\u00e1zornen\u00e9 na obr\u00e1zku 4. Stre\u0161n\u00fd vpust a potrubie musia ma\u0165 v celom rozsahu rovnak\u00e9 rozmery.<\/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=\"elementor-element elementor-element-3bd3c5d e-flex e-con-boxed e-con e-parent\" data-id=\"3bd3c5d\" 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-ebdcc9f elementor-widget elementor-widget-image\" data-id=\"ebdcc9f\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"566\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb04_Detail-geschlossenes-System_korr-1024x724.png\" class=\"attachment-large size-large wp-image-7123\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb04_Detail-geschlossenes-System_korr-1024x724.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb04_Detail-geschlossenes-System_korr-300x212.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb04_Detail-geschlossenes-System_korr-768x543.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb04_Detail-geschlossenes-System_korr-1536x1086.png 1536w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb04_Detail-geschlossenes-System_korr-2048x1448.png 2048w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb04_Detail-geschlossenes-System_korr-1920x1357.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 4 Detail: Uzavret\u00fd syst\u00e9m<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7bb5e3a e-flex e-con-boxed e-con e-parent\" data-id=\"7bb5e3a\" 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-e6b711b elementor-widget elementor-widget-spacer\" data-id=\"e6b711b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-a272477 elementor-widget elementor-widget-text-editor\" data-id=\"a272477\" 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>Zbern\u00e9 pripojovacie potrubie, otvoren\u00fd syst\u00e9m<br \/><\/strong>Nieko\u013eko stre\u0161n\u00fdch vpustov je pripojen\u00fdch k hlavn\u00e9mu potrubiu pomocou zbern\u00e9ho a zvodov\u00e9ho potrubia.<\/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=\"elementor-element elementor-element-792cfca e-flex e-con-boxed e-con e-parent\" data-id=\"792cfca\" 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-95de8f2 elementor-widget elementor-widget-image\" data-id=\"95de8f2\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"566\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb05_Schema-offenes-System-mit-Kanal-1024x724.png\" class=\"attachment-large size-large wp-image-6506\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb05_Schema-offenes-System-mit-Kanal-1024x724.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb05_Schema-offenes-System-mit-Kanal-300x212.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb05_Schema-offenes-System-mit-Kanal-768x543.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb05_Schema-offenes-System-mit-Kanal-1536x1086.png 1536w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb05_Schema-offenes-System-mit-Kanal-2048x1448.png 2048w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb05_Schema-offenes-System-mit-Kanal-1920x1357.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 5: Otvoren\u00fd syst\u00e9m<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eb6eb57 e-flex e-con-boxed e-con e-parent\" data-id=\"eb6eb57\" 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-e0e2058 elementor-widget elementor-widget-spacer\" data-id=\"e0e2058\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-b1066bd elementor-widget elementor-widget-text-editor\" data-id=\"b1066bd\" 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>Otvoren\u00fd syst\u00e9m znamen\u00e1, \u017ee stre\u0161n\u00fd vtok (ako je zn\u00e1zornen\u00e9 na obr\u00e1zku 6) je pripojen\u00fd k horizont\u00e1lnemu potrubiu a vo\u013ene odtek\u00e1 do zvodov\u00e9ho potrubia v\u00e4\u010d\u0161ieho rozmeru, ktor\u00e9 je otvoren\u00e9 na oboch stran\u00e1ch.<\/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=\"elementor-element elementor-element-2ebdc33 e-flex e-con-boxed e-con e-parent\" data-id=\"2ebdc33\" 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-a56e7d3 elementor-widget elementor-widget-image\" data-id=\"a56e7d3\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"566\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb06_Detail-offenes-System-1024x724.png\" class=\"attachment-large size-large wp-image-6514\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb06_Detail-offenes-System-1024x724.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb06_Detail-offenes-System-300x212.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb06_Detail-offenes-System-768x543.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb06_Detail-offenes-System-1536x1086.png 1536w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb06_Detail-offenes-System-2048x1448.png 2048w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb06_Detail-offenes-System-1920x1357.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 6 Detail: Otvoren\u00fd syst\u00e9m<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aef6e9b e-flex e-con-boxed e-con e-parent\" data-id=\"aef6e9b\" 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-6841185 elementor-widget elementor-widget-text-editor\" data-id=\"6841185\" 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>V z\u00e1sade sa d\u00e1 predpoklada\u0165, \u017ee v uzavret\u00fdch syst\u00e9moch sa dosahuje vy\u0161\u0161ia dren\u00e1\u017ena kapacita. Je to preto, \u017ee sac\u00ed efekt je podporen\u00fd potrub\u00edm, ktor\u00e9 je v celom rozsahu spojen\u00e9 v rovnakom rozmere.<\/p><h3>Pokyny pre pl\u00e1novanie a realiz\u00e1ciu<\/h3><p>Patria sem:<\/p><ul><li>Podrobn\u00e9 stavebn\u00e9 pl\u00e1ny s odvodnen\u00fdmi plochami<\/li><li>Stre\u0161n\u00e1 kon\u0161trukcia, hydroizol\u00e1cia a pou\u017eit\u00e9 materi\u00e1ly<\/li><li>Pr\u00edpustn\u00e9 statick\u00e9 za\u0165a\u017eenie na ur\u010denie maxim\u00e1lnej pr\u00edpustnej v\u00fd\u0161ky akumul\u00e1cie vody<\/li><li>Adresa alebo po\u0161tov\u00e9 smerovacie \u010d\u00edslo stavebn\u00e9ho projektu (d\u00f4le\u017eit\u00e9 pre v\u00fdpo\u010det vody z da\u017e\u010fa)<\/li><li>Sch\u00e9ma potrubia<ul><li>Individu\u00e1lne alebo kolekt\u00edvne pripojovacie potrubie<\/li><li>Zatvoren\u00e9 alebo otvoren\u00e9<\/li><\/ul><\/li><\/ul><p>\u00a0<\/p><p>Na z\u00e1klade t\u00fdchto inform\u00e1ci\u00ed sa potom musia ur\u010di\u0165 vypo\u010d\u00edtan\u00e9 zr\u00e1\u017eky, koeficient odtoku a dren\u00e1\u017ena kapacita pou\u017eit\u00fdch stre\u0161n\u00fdch vtokov:<\/p><p><strong>V\u00fdpo\u010det zr\u00e1\u017eok (r)<br \/><\/strong>Prv\u00fdm krokom pri dimenzovan\u00ed odvod\u0148ovacieho syst\u00e9mu je ur\u010denie vypo\u010d\u00edtan\u00e9ho \u00fahrnu zr\u00e1\u017eok <strong>r<\/strong>. Pova\u017euje sa za z\u00e1klad ka\u017ed\u00e9ho dren\u00e1\u017eneho syst\u00e9mu.<\/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=\"elementor-element elementor-element-917cdc2 e-flex e-con-boxed e-con e-parent\" data-id=\"917cdc2\" 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-fb06dae elementor-widget elementor-widget-image\" data-id=\"fb06dae\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"384\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb07-1024x491.png\" class=\"attachment-large size-large wp-image-6522\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb07-1024x491.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb07-300x144.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb07-768x368.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb07.png 1500w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 7: Rak\u00faska mrie\u017eka pre n\u00e1vrhov\u00e9 zr\u00e1\u017eky<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c040157 e-flex e-con-boxed e-con e-parent\" data-id=\"c040157\" 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-d0b084d elementor-widget elementor-widget-spacer\" data-id=\"d0b084d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-ec5f3fd elementor-widget elementor-widget-text-editor\" data-id=\"ec5f3fd\" 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>Syst\u00e9m odvodnenia strechy mus\u00ed by\u0165 normat\u00edvne navrhnut\u00fd pre 5-min\u00fatov\u00fd d\u00e1\u017e\u010f s 5-ro\u010dnou frekvenciou opakovania. Pre pr\u00edslu\u0161n\u00fa lokalitu sa n\u00e1vrhov\u00e9 zr\u00e1\u017eky zvy\u010dajne preberaj\u00fa z \u00fadajov <a href=\"https:\/\/ehyd.gv.at\/\" target=\"_blank\" rel=\"noopener\">Feder\u00e1lneho ministerstva<\/a> po\u013enohospod\u00e1rstva, lesn\u00edctva, \u017eivotn\u00e9ho prostredia a vodn\u00e9ho hospod\u00e1rstva a n\u00e1sledne sa prepo\u010d\u00edtavaj\u00fa na n\u00e1vrhov\u00e9 zr\u00e1\u017eky v l\/(s \u2022 ha).<\/p><p>Minim\u00e1lny n\u00e1vrhov\u00fd \u00fahrn zr\u00e1\u017eok pre stre\u0161n\u00e9 plochy a plochy nehnute\u013enost\u00ed je stanoven\u00fd na 300 l\/(s \u2022 ha). Syst\u00e9m odvodnenia strechy je navrhnut\u00fd pod\u013ea normy \u00d6NORM EN 12056-3:2000, \u010das\u0165 4.1<\/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=\"elementor-element elementor-element-6598841 e-flex e-con-boxed e-con e-parent\" data-id=\"6598841\" 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-821a61a elementor-widget elementor-widget-image\" data-id=\"821a61a\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"698\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_1_EN-1024x894.jpg\" class=\"attachment-large size-large wp-image-7207\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_1_EN-1024x894.jpg 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_1_EN-300x262.jpg 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_1_EN-768x671.jpg 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_1_EN-1536x1341.jpg 1536w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_1_EN-2048x1788.jpg 2048w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_1_EN-1920x1677.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 8: N\u00e1vrh zr\u00e1\u017eok po\u010das 5 min\u00fat pre p\u00e4\u0165ro\u010dn\u00fa zr\u00e1\u017ekov\u00fa udalos\u0165 v roku Fischamend<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9fb58d0 e-flex e-con-boxed e-con e-parent\" data-id=\"9fb58d0\" 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-b52ce29 elementor-widget elementor-widget-spacer\" data-id=\"b52ce29\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-032789c elementor-widget elementor-widget-text-editor\" data-id=\"032789c\" 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>Koeficient odtoku (C)<br \/><\/strong>\u010ealej je potrebn\u00e9 ur\u010di\u0165 koeficient odtoku C. Koeficient odtoku je pomer medzi mno\u017estvom da\u017e\u010fovej vody, ktor\u00e1 aktu\u00e1lne pad\u00e1 na odvod\u0148ovan\u00fa plochu, a mno\u017estvom, ktor\u00e9 skuto\u010dne pritek\u00e1 do odtoku. D\u00f4le\u017eit\u00fa \u00falohu zohr\u00e1va typ povrchu strechy. Napr\u00edklad zelen\u00e1 strecha s koeficientom odtoku 0,3 zni\u017euje odtok da\u017e\u010fovej vody pribli\u017ene o dve tretiny.<\/p><p>Pod\u013ea normy <strong>\u00d6NORM B 2501<\/strong> platia nasleduj\u00face hodnoty:<\/p><ul><li>C = 1,0 pre plechov\u00e9 strechy, strechy s krytinou z ta\u0161iek, utesnen\u00e9 bet\u00f3nov\u00e9 povrchy, f\u00f3liov\u00e9 strechy, spevnen\u00e9 plochy s v\u00fdpl\u0148ou \u0161k\u00e1r, utesnen\u00e9 strechy bez z\u00e1\u0165a\u017ee<\/li><li>C = 0,8 pre \u0161trkov\u00e9 strechy, \u0161trkov\u00e9 chodn\u00edky, spevnen\u00e9 plochy bez v\u00fdplne \u0161k\u00e1r a rozsiahlu zele\u0148 s hr\u00fabkou vrstvy maxim\u00e1lne 8 cm<\/li><li>C = 0,5 pre redukovan\u00e9 extenz\u00edvne zazelenanie s hr\u00fabkou vrstvy viac ako 8 cm<\/li><li>C = 0,3 pre extenz\u00edvnu a intenz\u00edvnu zelen\u00fa v\u00fdsadbu od hr\u00fabky vrstvy 10 cm<\/li><li>C = 0,1 pre intenz\u00edvnu zelen\u00fa v\u00fdsadbu od hr\u00fabky vrstvy 25 cm<\/li><\/ul><p>\u00a0<\/p><p><strong>Odtok da\u017e\u010fovej vody (Q)<br \/><\/strong>Mno\u017estvo da\u017e\u010fovej vody <strong>Q<\/strong>, ktor\u00e9 vypl\u00fdva z ve\u013ekosti odvod\u0148ovanej plochy <strong>A<\/strong>, pr\u00edslu\u0161n\u00fdch zr\u00e1\u017eok <strong>r<\/strong> a koeficientu odtoku <strong>C<\/strong>, sa vypo\u010d\u00edta pomocou nasleduj\u00faceho vzorca:<\/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=\"elementor-element elementor-element-94a3c48 e-flex e-con-boxed e-con e-parent\" data-id=\"94a3c48\" 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-8d029a5 elementor-widget elementor-widget-image\" data-id=\"8d029a5\" 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 loading=\"lazy\" decoding=\"async\" width=\"153\" height=\"49\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_0.png\" class=\"attachment-large size-large wp-image-6355\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_0.png 153w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_0-150x49.png 150w\" sizes=\"(max-width: 153px) 100vw, 153px\" \/>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4cbaeb7 e-flex e-con-boxed e-con e-parent\" data-id=\"4cbaeb7\" 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-b850870 elementor-widget elementor-widget-spacer\" data-id=\"b850870\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-d16e9d6 elementor-widget elementor-widget-text-editor\" data-id=\"d16e9d6\" 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>Hovor\u00ed sa tam:<\/p><ul><li>Q pre odtok da\u017e\u010fovej vody v litroch za sekundu (l\/s)<\/li><li>r pre n\u00e1vrhov\u00e9 zr\u00e1\u017eky v litroch za sekundu a hekt\u00e1r (l\/s\u00b7ha)<\/li><li>A pre efekt\u00edvnu plochu strechy v \u0161tvorcov\u00fdch metroch (m\u00b2)<\/li><li>C pre koeficient odtoku, ktor\u00fd zoh\u013ead\u0148uje zadr\u017eiavanie alebo spomalenie stre\u0161n\u00fdm povrchom<\/li><\/ul><p>\u00a0<\/p><p>Tento v\u00fdpo\u010det ud\u00e1va mno\u017estvo vody, ktor\u00e9 mus\u00ed by\u0165 odvod\u0148ovac\u00ed syst\u00e9m schopn\u00fd spo\u013eahlivo odvies\u0165 za sekundu, aby sa zabezpe\u010dilo odvodnenie v s\u00falade s normami.<\/p><p><strong>Odtokov\u00e1 kapacita stre\u0161n\u00fdch vtokov<\/strong><\/p><p>Pod\u013ea normy EN1253-2 s\u00fa v\u00fdrobcovia stre\u0161n\u00fdch a parapetn\u00fdch vpustov povinn\u00ed uvies\u0165 hodnoty odvod\u0148ovania v tabu\u013eke alebo diagrame ako funkciu hladiny vody nad tesniacou pr\u00edrubou.<\/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=\"elementor-element elementor-element-658887e e-flex e-con-boxed e-con e-parent\" data-id=\"658887e\" 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-6d55517 elementor-widget elementor-widget-image\" data-id=\"6d55517\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"242\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb09_CZ_SK-1024x310.jpg\" class=\"attachment-large size-large wp-image-6838\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb09_CZ_SK-1024x310.jpg 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb09_CZ_SK-300x91.jpg 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb09_CZ_SK-768x233.jpg 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb09_CZ_SK-1536x465.jpg 1536w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb09_CZ_SK-2048x621.jpg 2048w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb09_CZ_SK-1920x582.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 9: Tabu\u013eka odvod\u0148ovac\u00edch kapac\u00edt testovan\u00fdch pod\u013ea normy EN 12-53 bod 5.5.2.1 na 3 m zvodovom potrub\u00ed (t. j. uzavret\u00fd syst\u00e9m)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-84fed5c e-flex e-con-boxed e-con e-parent\" data-id=\"84fed5c\" 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-6e600b5 elementor-widget elementor-widget-spacer\" data-id=\"6e600b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-de62ccc elementor-widget elementor-widget-text-editor\" data-id=\"de62ccc\" 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>Kapacita odvod\u0148ovania z\u00e1vis\u00ed od toho, \u010di je pou\u017eit\u00fd syst\u00e9m otvoren\u00fd alebo uzavret\u00fd. Preto je d\u00f4le\u017eit\u00e9 op\u00fdta\u0165 sa v\u00fdrobcu, pod\u013ea ak\u00fdch testovac\u00edch krit\u00e9ri\u00ed sa testuje v\u00fdkonnos\u0165 pr\u00edslu\u0161n\u00e9ho produktu.<\/p><h3>Pr\u00edklady v\u00fdpo\u010dtov<\/h3><p>Po vysvetlen\u00ed z\u00e1kladn\u00fdch princ\u00edpov odvodnenia striech sa teraz presunieme k praktickej aplik\u00e1cii: dimenzovaniu odvod\u0148ovac\u00edch syst\u00e9mov. V z\u00e1vislosti od typu syst\u00e9mu \u2013 otvoren\u00fd alebo uzavret\u00fd, individu\u00e1lne alebo kolekt\u00edvne pripojenie \u2013 sa met\u00f3dy v\u00fdpo\u010dtu l\u00ed\u0161ia.<\/p><p>Uzavret\u00fd syst\u00e9m so zbern\u00fdm pripojovac\u00edm potrub\u00edm zodpoved\u00e1 princ\u00edpu podtlaku. Ke\u010f\u017ee to z\u00e1vis\u00ed od syst\u00e9mu a \u0161pecifik\u00e1ci\u00ed v\u00fdrobcu, nebude to v tejto pr\u00edru\u010dke \u010falej rozoberan\u00e9.<\/p><p>V nasleduj\u00facom texte bude vypo\u010d\u00edtan\u00fd pr\u00edklad strechy s dvoma r\u00f4znymi syst\u00e9mami: raz ako uzavret\u00fd syst\u00e9m s individu\u00e1lnym pripojovac\u00edm potrub\u00edm a raz ako otvoren\u00fd syst\u00e9m so zbern\u00fdm pripojovac\u00edm potrub\u00edm.<\/p><p><strong>Po\u010diato\u010dn\u00e9 \u00fadaje<br \/><\/strong>V obci Fischamend v okrese Bruck an der Leitha sa buduje ploch\u00e1 f\u00f3liov\u00e1 strecha s rozlohou 800 m\u00b2 a jednostrann\u00fdm sklonom.<\/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=\"elementor-element elementor-element-5d8eebe e-flex e-con-boxed e-con e-parent\" data-id=\"5d8eebe\" 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-3f34a74 elementor-widget elementor-widget-image\" data-id=\"3f34a74\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/elementor\/thumbs\/Abb10_Dachflache-mod-r64oipoz97m7ea9jkjsm1vbwdose8iq0659oolm0ao.jpg\" title=\"Abb10_Dachfl\u00e4che mod\" alt=\"Abbildung 10: Flachdach mit in einer Richtung ausgelegtem Gef\u00e4lle\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 10: Ploch\u00e1 strecha so sklonom navrhnut\u00fdm v jednom smere<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bf32117 e-flex e-con-boxed e-con e-parent\" data-id=\"bf32117\" 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-e22fe7a elementor-widget elementor-widget-spacer\" data-id=\"e22fe7a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-fc8929b elementor-widget elementor-widget-text-editor\" data-id=\"fc8929b\" 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>Bez oh\u013eadu na zvolen\u00fd syst\u00e9m je mo\u017en\u00e9 z t\u00fdchto inform\u00e1ci\u00ed ur\u010di\u0165 plochu strechy <strong>A<\/strong>, vypo\u010d\u00edtan\u00e9 zr\u00e1\u017eky <strong>r<\/strong>, koeficient odtoku <strong>C<\/strong> a zr\u00e1\u017eky <strong>Q<\/strong>:<\/p><p><strong><em>A<\/em><\/strong> = plocha strechy 800 m\u00b2<\/p><p>5-min\u00fatov\u00fd n\u00e1vrhov\u00fd \u00fahrn zr\u00e1\u017eok r pre p\u00e4\u0165ro\u010dn\u00fa zr\u00e1\u017ekov\u00fa udalos\u0165 sa prevezme z <a href=\"https:\/\/ehyd.gv.at\/\" target=\"_blank\" rel=\"noopener\">online hydrografickej slu\u017eby<\/a>, ako je op\u00edsan\u00e9 vy\u0161\u0161ie (pozri obr\u00e1zok 4), a prevedie sa na l\/s:<\/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=\"elementor-element elementor-element-92c601b e-flex e-con-boxed e-con e-parent\" data-id=\"92c601b\" 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-a5b9085 elementor-widget elementor-widget-image\" data-id=\"a5b9085\" 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 loading=\"lazy\" decoding=\"async\" width=\"436\" height=\"67\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_1_korr3.jpg\" class=\"attachment-large size-large wp-image-7322\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_1_korr3.jpg 436w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_1_korr3-300x46.jpg 300w\" sizes=\"(max-width: 436px) 100vw, 436px\" \/>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-40d453c e-flex e-con-boxed e-con e-parent\" data-id=\"40d453c\" 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-890a628 elementor-widget elementor-widget-text-editor\" data-id=\"890a628\" 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>S\u00fa\u010dinite\u013e odtoku <strong>C<\/strong> pre f\u00f3liov\u00e9 strechy je 1:<\/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=\"elementor-element elementor-element-8d9e11a e-flex e-con-boxed e-con e-parent\" data-id=\"8d9e11a\" 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-9a0415c elementor-widget elementor-widget-image\" data-id=\"9a0415c\" 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 loading=\"lazy\" decoding=\"async\" width=\"93\" height=\"48\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_2.png\" class=\"attachment-large size-large wp-image-6319\" alt=\"\" \/>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-04918fe e-flex e-con-boxed e-con e-parent\" data-id=\"04918fe\" 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-3b2c4ae elementor-widget elementor-widget-text-editor\" data-id=\"3b2c4ae\" 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>Odtok da\u017e\u010fovej vody <strong>Q<\/strong> sa teraz vypo\u010d\u00edta pod\u013ea vzorca <strong>Q<\/strong> = <strong>r<\/strong> * <strong>A<\/strong> * <strong>C<\/strong>:<\/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=\"elementor-element elementor-element-1549b8a e-flex e-con-boxed e-con e-parent\" data-id=\"1549b8a\" 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-9c1d3b4 elementor-widget elementor-widget-image\" data-id=\"9c1d3b4\" 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 loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"114\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_3_korr.jpg\" class=\"attachment-large size-large wp-image-7019\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_3_korr.jpg 576w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Formel_3_korr-300x59.jpg 300w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fa390d5 e-flex e-con-boxed e-con e-parent\" data-id=\"fa390d5\" 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-35ab94d elementor-widget elementor-widget-text-editor\" data-id=\"35ab94d\" 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<h3>Kon\u0161trukcia pre uzavret\u00fd syst\u00e9m (s jedn\u00fdm pripojovac\u00edm potrub\u00edm)<\/h3>\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-38fd1f3 e-flex e-con-boxed e-con e-parent\" data-id=\"38fd1f3\" 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-a4599e6 elementor-widget elementor-widget-image\" data-id=\"a4599e6\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"531\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb11_Geschlossenes-System_korr.png\" class=\"attachment-large size-large wp-image-7355\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb11_Geschlossenes-System_korr.png 983w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb11_Geschlossenes-System_korr-300x199.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb11_Geschlossenes-System_korr-768x510.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 11: Sch\u00e9ma pre uzavret\u00fd syst\u00e9m vr\u00e1tane rozmerov<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-93fe6a5 e-flex e-con-boxed e-con e-parent\" data-id=\"93fe6a5\" 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-a0fa189 elementor-widget elementor-widget-spacer\" data-id=\"a0fa189\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-c1993d3 elementor-widget elementor-widget-text-editor\" data-id=\"c1993d3\" 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>Po ur\u010den\u00ed produktu a potrebn\u00e9ho pr\u00edslu\u0161enstva sa na v\u00fdber vhodn\u00fdch komponentov pou\u017eij\u00fa hodnoty v\u00fdboja od v\u00fdrobcu.<\/p><p>V tomto pr\u00edklade je potrebn\u00fd prietok 32,0 l\/s. Z tohto d\u00f4vodu sa vyberaj\u00fa tri stre\u0161n\u00e9 vpusty DN110 s prietokom 10,7 l\/s pri hladine vody 35 mm (pod\u013ea tabu\u013eky vpustov v\u00fdrobcu na obr\u00e1zku 9).<\/p><p>Rozmer stre\u0161n\u00e9ho vpustu sa vol\u00ed pod\u013ea normy EN 1253, pri\u010dom pre rozmery DN75 a DN110 sa berie do \u00favahy hodnota s hladinou vody 35 mm. Pre rozmery DN125 a DN160 sa v\u0161ak pou\u017e\u00edva hodnota s v\u00fd\u0161kou hr\u00e1dze 45 mm.<\/p><p>Celkov\u00e1 kapacita troch stre\u0161n\u00fdch vpustov v DN110 je 32,1 l\/s, \u010do prevy\u0161uje po\u017eadovan\u00fa hodnotu 32,0 l\/s.<\/p><p>Ka\u017ed\u00fd stre\u0161n\u00fd vpust je individu\u00e1lne pripojen\u00fd k zvodov\u00e9mu potrubiu s priebe\u017en\u00fdm rozmerom potrubia DN110.<\/p><p>Pozn\u00e1mka: Mus\u00ed by\u0165 prilo\u017een\u00e1 schematick\u00e1 sch\u00e9ma potrubia s pr\u00edslu\u0161n\u00fdmi rozmermi.<\/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=\"elementor-element elementor-element-e851fcc e-flex e-con-boxed e-con e-parent\" data-id=\"e851fcc\" 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-07f15cc elementor-widget elementor-widget-text-editor\" data-id=\"07f15cc\" 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<h3>N\u00e1vrh pre otvoren\u00e9 syst\u00e9my<\/h3>\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-d49d420 e-flex e-con-boxed e-con e-parent\" data-id=\"d49d420\" 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-82cc874 elementor-widget elementor-widget-image\" data-id=\"82cc874\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"589\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb12_Offenes-System_korr-1024x754.png\" class=\"attachment-large size-large wp-image-7363\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb12_Offenes-System_korr-1024x754.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb12_Offenes-System_korr-300x221.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb12_Offenes-System_korr-768x565.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb12_Offenes-System_korr.png 1331w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 12: Sch\u00e9ma pre otvoren\u00fd syst\u00e9m vr\u00e1tane rozmerov<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-49c33d1 e-flex e-con-boxed e-con e-parent\" data-id=\"49c33d1\" 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-3ffad41 elementor-widget elementor-widget-spacer\" data-id=\"3ffad41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-757419f elementor-widget elementor-widget-text-editor\" data-id=\"757419f\" 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>Pri otvoren\u00fdch syst\u00e9moch nie s\u00fa v\u00fdkonnostn\u00e9 \u0161pecifik\u00e1cie v\u00fdrobcu stre\u0161n\u00e9ho vpustu pre n\u00e1vrh relevantn\u00e9. Namiesto toho sa pou\u017e\u00edvaj\u00fa tabu\u013eky postupnosti pod\u013ea normy EN 12056-3 pre horizont\u00e1lne ter\u00e9ny a zbern\u00e9 potrubia (pozri obr\u00e1zok 13) a zvisl\u00e9 zvody (pozri obr\u00e1zok 14).<\/p><p>Pl\u00e1novanie za\u010d\u00edna s po\u017eadovanou odvod\u0148ovacou kapacitou 32,0 l\/s. Pre ur\u010denie potrebn\u00e9ho po\u010dtu stre\u0161n\u00fdch vpustov s\u00fa k\u013e\u00fa\u010dov\u00e9 dva faktory:<\/p><ul><li>Sklon horizont\u00e1lnej \u010diary \u2013 zvy\u010dajne okolo 1,5 %<\/li><li>Priemer potrubia odtokov\u00e9ho potrubia \u2013 v\u00e4\u010d\u0161ie priemery umo\u017e\u0148uj\u00fa vy\u0161\u0161ie prietoky<\/li><\/ul><p>\u00a0<\/p><p>Ke\u010f\u017ee sklon je vo v\u00e4\u010d\u0161ine pr\u00edpadov vopred ur\u010den\u00fd, po\u010det odtokov a priemer potrubia zost\u00e1vaj\u00fa variabiln\u00e9. Tabu\u013eka zobrazuje nasleduj\u00face mo\u017enosti pre n\u00e1\u0161 pr\u00edklad:<\/p><ul><li>Potrubia DN100 \u2192 7 odtokov (5,1 l\/s na odtok)<\/li><li>Potrubie DN125 \u2192 4 odtoky (8,3 l\/s na odtok)<\/li><li>Potrubie DN150 \u2192 2 odtoky (15,7 l\/s na odtok)<\/li><\/ul><p>\u00a0<\/p><p>V praxi sa ako obzvl\u00e1\u0161\u0165 praktick\u00fd ukazuje variant so 4 odtokmi a potrub\u00edm DN125. Kone\u010dn\u00e9 rozhodnutie v\u0161ak z\u00e1vis\u00ed od uv\u00e1\u017eenia projektanta, ktor\u00fd vyberie optim\u00e1lne rie\u0161enie v z\u00e1vislosti od kon\u0161truk\u010dn\u00fdch podmienok, geometrie strechy a ekonomick\u00fdch aspektov.<\/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=\"elementor-element elementor-element-f961ec9 e-flex e-con-boxed e-con e-parent\" data-id=\"f961ec9\" 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-b082a4c elementor-widget elementor-widget-image\" data-id=\"b082a4c\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"635\" height=\"273\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_3_EN.png\" class=\"attachment-full size-full wp-image-6587\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_3_EN.png 635w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_3_EN-300x129.png 300w\" sizes=\"(max-width: 635px) 100vw, 635px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 13: Prietokov\u00e1 kapacita horizont\u00e1lnych zbern\u00fdch a podzemn\u00fdch potrub\u00ed (EN12056-3)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aeb47ac e-flex e-con-boxed e-con e-parent\" data-id=\"aeb47ac\" 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-9a2df37 elementor-widget elementor-widget-spacer\" data-id=\"9a2df37\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-fe546ec elementor-widget elementor-widget-text-editor\" data-id=\"fe546ec\" 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>Pl\u00e1novanie za\u010d\u00edna stre\u0161n\u00fdm vpustom, ktor\u00fd je naj\u010falej od zvodov\u00e9ho potrubia. Plat\u00ed nasledovn\u00e9:<\/p><p><strong>Jednotliv\u00e9 spojovacie vedenia musia v\u017edy zachova\u0165 predt\u00fdm stanoven\u00fd priemer<\/strong><\/p><ul><li>Pr\u00edklad: Ak sa, ako je pop\u00edsan\u00e9 vy\u0161\u0161ie, rozhodlo o pou\u017eit\u00ed \u0161tyroch odtokov s DN125, v\u0161etky jednotliv\u00e9 pripojovacie potrubia musia ma\u0165 tie\u017e DN125<\/li><\/ul><p>\u00a0<\/p><p><strong>Horizont\u00e1lne odtokov\u00e9 potrubia musia poja\u0165 cel\u00fd objem vody z pripojen\u00fdch stre\u0161n\u00fdch vtokov<\/strong><\/p><ul><li>V d\u00f4sledku toho m\u00e1 priemer potrubia tendenciu zv\u00e4\u010d\u0161ova\u0165 sa v smere pr\u00fadenia<\/li><li>Pr\u00edklad (pozri obr\u00e1zok 12)<ul><li>Medzi prv\u00fdm a druh\u00fdm odtokom m\u00f4\u017ee by\u0165 zbern\u00e9 pripojovacie potrubie st\u00e1le navrhnut\u00e9 v DN125<\/li><li>Potom je potrebn\u00e9 pred\u013a\u017eenie na DN150<\/li><li>Potrubie sa potom mus\u00ed zv\u00e4\u010d\u0161i\u0165 na DN200<\/li><\/ul><\/li><\/ul><p>\u00a0<\/p><p>Na dimenzovanie zvisl\u00e9ho zvodu sa mus\u00ed pou\u017ei\u0165 plniaci pomer 0,33 v s\u00falade s normou EN 12056-3, pokia\u013e n\u00e1rodn\u00e9 alebo region\u00e1lne predpisy nepredpisuj\u00fa in\u00fa hodnotu (pozri obr\u00e1zok 14).<\/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=\"elementor-element elementor-element-a768df5 e-flex e-con-boxed e-con e-parent\" data-id=\"a768df5\" 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-49f2a4f elementor-widget elementor-widget-image\" data-id=\"49f2a4f\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"413\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_4_EN-1024x528.png\" class=\"attachment-large size-large wp-image-6595\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_4_EN-1024x528.png 1024w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_4_EN-300x155.png 300w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_4_EN-768x396.png 768w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Tabelle_4_EN.png 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Obr\u00e1zok 14: Priepustnos\u0165 zvisl\u00fdch zvodov da\u017e\u010fovej vody (EN12056-3)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a915a3e e-flex e-con-boxed e-con e-parent\" data-id=\"a915a3e\" 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-31486d3 elementor-widget elementor-widget-spacer\" data-id=\"31486d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-56631fc elementor-widget elementor-widget-text-editor\" data-id=\"56631fc\" 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>Aj keby tabu\u013eka z normy EN 12056-3 (pozri obr\u00e1zok 14) umo\u017e\u0148ovala men\u0161\u00ed priemer potrubia, priemer zbern\u00e9ho potrubia zost\u00e1va rozhoduj\u00faci. To znamen\u00e1: Zvodov\u00e9 potrubie m\u00e1 minim\u00e1lne priemer pripojen\u00e9ho horizont\u00e1lneho zbern\u00e9ho potrubia. Zmen\u0161enie priemeru potrubia v smere pr\u00fadenia nie je povolen\u00e9. V na\u0161om pr\u00edklade to znamen\u00e1 priemer potrubia DN200 pre zvodov\u00e9 potrubie.<\/p><p>Tento postup zabezpe\u010duje, \u017ee syst\u00e9m zostane hydraulicky \u00fa\u010dinn\u00fd a \u017ee sa pred\u00edde poruch\u00e1m.<\/p><p>Rozmery potrubia jednotliv\u00fdch \u00fasekov zobrazen\u00fdch na sch\u00e9me potrubia (obr\u00e1zok 12) boli ur\u010den\u00e9 pomocou obr\u00e1zku 13 a obr\u00e1zku 14.<\/p><p>Podzemn\u00e9 potrubia ulo\u017een\u00e9 v zemi alebo pod z\u00e1kladovou doskou musia by\u0165 tie\u017e navrhnut\u00e9 pod\u013ea obr\u00e1zku 13.<\/p><h2>Otvoren\u00fd vs. uzavret\u00fd syst\u00e9m \u2013 ktor\u00fd by sa mal pou\u017ei\u0165?<\/h2><p>O tom, ktor\u00fd syst\u00e9m sa nakoniec pou\u017eije, mus\u00ed rozhodn\u00fa\u0165 pl\u00e1nova\u010d alebo architekt v ka\u017edom pr\u00edpade individu\u00e1lne, pri\u010dom zoh\u013eadn\u00ed nasleduj\u00face aspekty:<\/p><table><tbody><tr><td width=\"302\"><p><strong>Otvoren\u00fd syst\u00e9m<\/strong> <br \/>(spolo\u010dn\u00e9 pripojovacie potrubie)<\/p><\/td><td width=\"302\"><p><strong>Uzavret\u00fd syst\u00e9m<\/strong> <br \/>(individu\u00e1lne pripojovacie potrubie)<\/p><\/td><\/tr><tr><td width=\"302\"><p><strong>V\u00fdhody:<\/strong><\/p><ul><li>Ni\u017e\u0161ie n\u00e1klady na materi\u00e1l a pr\u00e1cu<\/li><li>Na polo\u017eenie podzemn\u00fdch potrub\u00ed je potrebn\u00fdch menej stavebn\u00fdch pr\u00e1c, preto\u017ee je menej zvodov<\/li><\/ul><p>\u00a0<\/p><p><strong>Nev\u00fdhody:<\/strong><\/p><ul><li>Ni\u017e\u0161ia dren\u00e1\u017ena kapacita v porovnan\u00ed s uzavret\u00fdm syst\u00e9mom<\/li><li>Dimenzovanie je mo\u017en\u00e9 vykona\u0165 iba pod\u013ea tabuliek 7 a 8 pod\u013ea normy EN12056-3<\/li><\/ul><\/td><td width=\"302\"><p><strong>V\u00fdhody:<\/strong><\/p><ul><li>V porovnan\u00ed s otvoren\u00fdm syst\u00e9mom sa dosahuje v\u00fdrazne vy\u0161\u0161ia odvod\u0148ovacia kapacita<\/li><li>Dimenzovanie a n\u00e1vrh odtokov\u00e9ho potrubia sa vykon\u00e1va jednoducho a v\u00fdlu\u010dne s pou\u017eit\u00edm hodn\u00f4t odvod\u0148ovania stre\u0161n\u00fdch vtokov<\/li><li>V\u0161eobecne vy\u0161\u0161ia prev\u00e1dzkov\u00e1 spo\u013eahlivos\u0165 pri odv\u00e1dzan\u00ed da\u017e\u010fovej vody zo strechy, preto\u017ee ka\u017ed\u00fd stre\u0161n\u00fd vtok je individu\u00e1lne pripojen\u00fd k zvodov\u00e9mu potrubiu a ak sa jedno potrubie upch\u00e1, v\u0161etky ostatn\u00e9 zost\u00e1vaj\u00fa v prev\u00e1dzke<\/li><\/ul><p>\u00a0<\/p><p><strong>Nev\u00fdhody:<\/strong><\/p><ul><li>Vy\u0161\u0161ie n\u00e1klady na materi\u00e1l a pr\u00e1cu<\/li><li>Vy\u0161\u0161\u00ed po\u010det zvodov si vy\u017eaduje viac stavebn\u00fdch pr\u00e1c na kladenie podzemn\u00fdch potrub\u00ed<\/li><\/ul><\/td><\/tr><\/tbody><\/table><h2>Z\u00e1ver<\/h2><p>Pl\u00e1novanie a dimenzovanie syst\u00e9mu odvodnenia strechy si vy\u017eaduje starostliv\u00fa pr\u00edpravu. To zah\u0155\u0148a aj v\u010dasn\u00e9 z\u00edskanie v\u0161etk\u00fdch potrebn\u00fdch inform\u00e1ci\u00ed, \u010do m\u00f4\u017ee by\u0165 niekedy \u010dasovo n\u00e1ro\u010dn\u00e9.<\/p><p>Efekt\u00edvny odtok da\u017e\u010fovej vody by sa mal v\u017edy pova\u017eova\u0165 za holistick\u00fd koncept \u2013 od odv\u00e1dzania vody zo striech a pozemkov a\u017e po jej vyp\u00fa\u0161\u0165anie do verejnej kanaliz\u00e1cie alebo vsakovanie na pozemku. Obmedzenia zaveden\u00e9 \u00faradmi na od\u013eah\u010denie kanaliza\u010dn\u00e9ho syst\u00e9mu po\u010das siln\u00fdch da\u017e\u010fov si vy\u017eaduj\u00fa dodato\u010dn\u00e9 opatrenia, ako je zadr\u017eiavanie alebo vsakovanie, a predstavuj\u00fa \u010fal\u0161ie v\u00fdzvy pre projektantov.<\/p><p>\u010eal\u0161ou nevyhnutnou s\u00fa\u010das\u0165ou bezpe\u010dn\u00e9ho odv\u00e1dzania da\u017e\u010fovej vody je n\u00fadzov\u00e9 odvodnenie, ktor\u00e9 zabezpe\u010d\u00ed, \u017ee na budove ned\u00f4jde ani v pr\u00edpade mimoriadne siln\u00fdch zr\u00e1\u017eok (lejakov, ktor\u00e9 sa vyskytuj\u00fa raz za storo\u010die). Viac inform\u00e1ci\u00ed o n\u00fadzovom odvod\u0148ovan\u00ed n\u00e1jdete <a href=\"http:\/\/www.hl.at\/upload_cms\/%7B64f6257b-8a44-5c2e-ac19-880b93106cc5%7DNotentw%C3%A4sserung_Pro_CZ_SK.pdf\" target=\"_blank\" rel=\"noopener\">tu<\/a>.<\/p><p><strong>\u0160pecifik\u00e1cia stre\u0161n\u00e9ho vpustu vhodn\u00e9ho pre kon\u0161trukciu strechy<br \/><\/strong>Pre presn\u00e9 \u0161pecifik\u00e1cie odvodnenia strechy v\u00e1m r\u00e1d pom\u00f4\u017ee t\u00edm podpory HL na adrese <a href=\"mailto:support@hl.at\" target=\"_blank\" rel=\"noopener\">support@hl.at<\/a> alebo u v\u00e1\u0161ho <a href=\"https:\/\/www.hutterer-lechner.com\/sk\/contacts\/slovakia_belarus.aspx\" target=\"_blank\" rel=\"noopener\">region\u00e1lneho obchodn\u00e9ho z\u00e1stupcu HL<\/a>. Sta\u010d\u00ed si od architekta alebo projektanta vy\u017eiada\u0165 v\u00fdkres v reze s popismi jednotliv\u00fdch \u010dast\u00ed a posla\u0165 t\u00edmu HL. V kr\u00e1tkom \u010dase dostanete nielen presn\u00fa \u0161pecifik\u00e1ciu procesu, ale aj 3D zn\u00e1zornenie, ako aj podrobnosti v r\u00f4znych form\u00e1toch:<\/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=\"elementor-element elementor-element-9cc05a6 e-flex e-con-boxed e-con e-parent\" data-id=\"9cc05a6\" 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-b739f51 elementor-widget elementor-widget-spacer\" data-id=\"b739f51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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<div class=\"elementor-element elementor-element-1b16e56 e-grid e-con-boxed e-con e-parent\" data-id=\"1b16e56\" 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-c0e916a elementor-widget elementor-widget-image\" data-id=\"c0e916a\" 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 loading=\"lazy\" decoding=\"async\" width=\"587\" height=\"476\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb13.png\" class=\"attachment-large size-large wp-image-6554\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb13.png 587w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb13-300x243.png 300w\" sizes=\"(max-width: 587px) 100vw, 587px\" \/>\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<div class=\"elementor-element elementor-element-a56384e elementor-widget elementor-widget-image\" data-id=\"a56384e\" 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 loading=\"lazy\" decoding=\"async\" width=\"714\" height=\"504\" src=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb14.png\" class=\"attachment-large size-large wp-image-6562\" alt=\"\" srcset=\"https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb14.png 714w, https:\/\/www.siphoniker.at\/wp-content\/uploads\/2025\/05\/Abb14-300x212.png 300w\" sizes=\"(max-width: 714px) 100vw, 714px\" \/>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bf96dcc e-flex e-con-boxed e-con e-parent\" data-id=\"bf96dcc\" 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-7bd09d4 elementor-widget elementor-widget-text-editor\" data-id=\"7bd09d4\" 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<h3>Relevantn\u00e9 normy<\/h3><p><strong>Pre odvodnenie striech, balk\u00f3nov a ter\u00e1s platia nasleduj\u00face normy:<\/strong><\/p><ul><li>EN1253-2 &#8211; Odtoky pre budovy &#8211; \u010cas\u0165 2: Stre\u0161n\u00e9 a podlahov\u00e9 odtoky bez sif\u00f3nu<\/li><li>EN 12056-3 &#8211; Syst\u00e9my gravita\u010dn\u00e9ho odvodnenia vo vn\u00fatri budov &#8211; \u010cas\u0165 3: Odvodnenie striech, n\u00e1vrh a dimenzovanie<\/li><li>\u00d6NORM B2501 &#8211; Odvod\u0148ovacie syst\u00e9my pre budovy a pozemky &#8211; Pl\u00e1novanie, realiz\u00e1cia a sk\u00fa\u0161anie &#8211; Dopl\u0148uj\u00face ustanovenia k \u00d6NORM EN 12056<\/li><\/ul><p>\u00a0<\/p><p><strong>Zdroje:<\/strong><\/p><ul><li><a href=\"https:\/\/www.austrian-standards.at\/de\/shop\/din-en-1253-1-2015-03~p2123330\">https:\/\/www.austrian-standards.at\/de\/shop\/din-en-1253-1-2015-03~p2123330<\/a><\/li><li><a href=\"https:\/\/www.austrian-standards.at\/de\/shop\/onorm-en-12056-1-2000-12-01~p1339394\">https:\/\/www.austrian-standards.at\/de\/shop\/onorm-en-12056-1-2000-12-01~p1339394<\/a><\/li><li><a href=\"https:\/\/www.austrian-standards.at\/de\/shop\/onorm-b-2501-2025-02-01~p4021532\">https:\/\/www.austrian-standards.at\/de\/shop\/onorm-b-2501-2025-02-01~p4021532<\/a><\/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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>T\u00e1to pr\u00edru\u010dka poskytuje komplexn\u00fd \u00favod do technick\u00fdch po\u017eiadaviek a v\u00fdpo\u010dtov pre dimenzovanie odvod\u0148ovac\u00edch syst\u00e9mov pre strechy, balk\u00f3ny a terasy. R\u00f4zne rie\u0161enia odvodnenia a ich \u0161pecifick\u00e9 v\u00fdhody a nev\u00fdhody sa zva\u017euj\u00fa s cie\u013eom zabezpe\u010di\u0165 spo\u013eahliv\u00e9 a \u0161tandardne vyhovuj\u00face pl\u00e1novanie. Cie\u013eom je zabr\u00e1ni\u0165 po\u0161kodeniu vlhkos\u0165ou a zaplaveniam prostredn\u00edctvom \u00fa\u010dinn\u00fdch rie\u0161en\u00ed odvodnenia a zabezpe\u010di\u0165 dlhodob\u00fa funk\u010dnos\u0165 a bezpe\u010dnos\u0165 budovy.<\/p>\n","protected":false},"author":10,"featured_media":7087,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[249],"tags":[499,498,497,501,267,502,500,477],"class_list":["post-6694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-strecha-a-terasa","tag-balkon-sk","tag-dach-sk","tag-entwaesserung-sk","tag-odvodnenie","tag-strecha","tag-terasa","tag-terrasse-sk","tag-terrasse"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sprievodca dimenzovan\u00edm odvodnenia striech, balk\u00f3nov a ter\u00e1s - Siphoniker-Blog, HL Hutterer &amp; Lechner GmbH in Himberg<\/title>\n<meta name=\"description\" content=\"T\u00e1to pr\u00edru\u010dka poskytuje komplexn\u00fd \u00favod do technick\u00fdch po\u017eiadaviek a v\u00fdpo\u010dtov pre dimenzovanie odvod\u0148ovac\u00edch syst\u00e9mov pre strechy, balk\u00f3ny a terasy. R\u00f4zne rie\u0161enia odvodnenia a ich \u0161pecifick\u00e9 v\u00fdhody a nev\u00fdhody sa zva\u017euj\u00fa s cie\u013eom zabezpe\u010di\u0165 spo\u013eahliv\u00e9 a \u0161tandardne vyhovuj\u00face pl\u00e1novanie. Cie\u013eom je zabr\u00e1ni\u0165 po\u0161kodeniu vlhkos\u0165ou a zaplaveniam prostredn\u00edctvom \u00fa\u010dinn\u00fdch rie\u0161en\u00ed odvodnenia a zabezpe\u010di\u0165 dlhodob\u00fa funk\u010dnos\u0165 a bezpe\u010dnos\u0165 budovy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.siphoniker.at\/sk\/sprievodca-dimenzovanim-odvodnenia-striech-balkonov-a-teras\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sprievodca dimenzovan\u00edm odvodnenia striech, balk\u00f3nov a ter\u00e1s - Siphoniker-Blog, HL Hutterer &amp; Lechner GmbH in Himberg\" \/>\n<meta property=\"og:description\" content=\"T\u00e1to pr\u00edru\u010dka poskytuje komplexn\u00fd \u00favod do technick\u00fdch po\u017eiadaviek a v\u00fdpo\u010dtov pre dimenzovanie odvod\u0148ovac\u00edch syst\u00e9mov pre strechy, balk\u00f3ny a terasy. 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