{"id":22679,"date":"2024-10-28T20:43:22","date_gmt":"2024-10-28T20:43:22","guid":{"rendered":"https:\/\/www.solinst.com\/casto-kladene-dotazy\/"},"modified":"2026-01-20T19:21:29","modified_gmt":"2026-01-20T19:21:29","slug":"casto-kladene-dotazy","status":"publish","type":"page","link":"https:\/\/www.solinst.com\/cs\/produkty\/viceurovnove-systemy\/403-viceurovnove-systemy-cmt\/casto-kladene-dotazy\/","title":{"rendered":"\u010cASTO KLADEN\u00c9 DOTAZY"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8220;1&#8243; admin_label=&#8220;H1 and breadcrumbs&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; background_color=&#8220;#FFFFFF&#8220; custom_padding=&#8220;9px||0px||false|false&#8220; sticky_position=&#8220;top&#8220; sticky_limit_bottom=&#8220;body&#8220; background_last_edited=&#8220;on|desktop&#8220; sticky_position_tablet=&#8220;none&#8220; sticky_position_phone=&#8220;none&#8220; sticky_position_last_edited=&#8220;on|desktop&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_row _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; background_color=&#8220;#FFFFFF&#8220; width=&#8220;90%&#8220; max_width=&#8220;1600px&#8220; custom_padding=&#8220;12px||0px||false|false&#8220; sticky_position=&#8220;top&#8220; sticky_limit_bottom=&#8220;body&#8220; sticky_position_tablet=&#8220;none&#8220; sticky_position_phone=&#8220;none&#8220; sticky_position_last_edited=&#8220;on|desktop&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_column type=&#8220;4_4&#8243; _builder_version=&#8220;4.25.0&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_text _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; header_font=&#8220;|700|||||||&#8220; header_font_size=&#8220;36px&#8220; custom_margin=&#8220;||5px|||&#8220; header_text_align_tablet=&#8220;&#8220; header_text_align_phone=&#8220;&#8220; header_text_align_last_edited=&#8220;on|desktop&#8220; header_font_size_tablet=&#8220;22px&#8220; header_font_size_phone=&#8220;20px&#8220; header_font_size_last_edited=&#8220;on|phone&#8220; global_colors_info=&#8220;{}&#8220;]<\/p>\n<h1 role=\"heading\" aria-level=\"1\" data-uw-rm-heading=\"level\">Nej\u010dast\u011bj\u0161\u00ed dotazy k v\u00edce\u00farov\u0148ov\u00e9mu syst\u00e9mu CMT: \u010casto kladen\u00e9 ot\u00e1zky<\/h1>\n<p>[\/et_pb_text][dsm_breadcrumbs disabled_on=&#8220;on|off|off&#8220; admin_label=&#8220;breadcrumbs below landing pages with mobile view off&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; home_icon_text_color=&#8220;#d6d6d6&#8243; global_module=&#8220;4283&#8243; global_colors_info=&#8220;{}&#8220;][\/dsm_breadcrumbs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8220;1&#8243; admin_label=&#8220;Mobile-Only Nav with Offset&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;4759a92f-4b27-4854-bb2c-299854634e93&#8243; display_conditions=&#8220;W10=&#8220; sticky_offset_top=&#8220;127px&#8220; global_module=&#8220;2935&#8243; saved_tabs=&#8220;all&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_row _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; width=&#8220;90%&#8220; custom_margin=&#8220;0px||0px||true|false&#8220; custom_padding=&#8220;0px||0px||true|false&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_column type=&#8220;4_4&#8243; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_code admin_label=&#8220;403 Mobiln\u00ed navigace &#8211; Vybrat rozbalovac\u00ed okno&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220; custom_css_free_form=&#8220;select {||||      font-size: 1em; \/* Adjust font size *\/||      padding: 10px;   \/* Optional: Increase padding for better spacing *\/||      width: 100%;||      box-sizing: border-box;\/* Optional: Adjust width to fit the container *\/||      height: 50px;||}||||    \/* Style for dropdown options (fallback if needed) *\/||select option {||      font-size: 1.2em; \/* Ensures option text matches select styling *\/||      width: 100%;||    }&#8220; global_colors_info=&#8220;{}&#8220;]<select name=\"dropdown\" onchange=\"location = this.value;\"><!-- [et_pb_line_break_holder] --><option value=\"\">403 Nab\u00eddka v\u00edce\u00farov\u0148ov\u00fdch syst\u00e9m\u016f CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/\">403 Hlavn\u00ed str\u00e1nka v\u00edce\u00farov\u0148ov\u00fdch syst\u00e9m\u016f CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/get-quote.php\">Z\u00edskat nab\u00eddku<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/Forms\/sol.php\">Odeslat mi informace<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/\">Pro\u010d v\u00edce \u00farovn\u00ed?<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/what-is-a-multilevel-system\/\">Co je v\u00edce\u00farov\u0148ov\u00fd syst\u00e9m?<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/why-multilevels\/flash-demo.php\">V\u00edce\u00farov\u0148ov\u00e1 technologie (uk\u00e1zkov\u00e9 video)<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/multilevel-system-comparison\/\">Srovn\u00e1n\u00ed v\u00edce\u00farov\u0148ov\u00fdch syst\u00e9m\u016f<\/option><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/\">Datov\u00fd list<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/applications-advantages-of-cmt-multilevel-systems\/\">-Aplikace a v\u00fdhody CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/multichannel-tubing\/\">-V\u00edcekan\u00e1lov\u00e9 trubky<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/seals-and-sand-packs\/\">-T\u011bsn\u011bn\u00ed a obaly na p\u00edsek<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/multilevel-monitoring-is-essential\/\">-V\u00edce \u00farovn\u00ed je z\u00e1sadn\u00ed<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/cmt-monitoring-options\/\">-Mo\u017enosti monitorov\u00e1n\u00ed<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/cmt-field-applications\/\">-Aplikace v ter\u00e9nu<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/cmt-contractors-training-program\/\">-\u0160kol\u00edc\u00ed programy<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/operating-instructions\/\">Pokyny<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/\">-Mont\u00e1\u017en\u00ed p\u0159\u00edru\u010dka v\u00edce\u00farov\u0148ov\u00e9ho syst\u00e9mu CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/pre-installation-requirements\/\">-Po\u017eadavky p\u0159ed instalac\u00ed<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/introduction\/\">&#8211;\u00davod<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/preparing-for-cmt-installation\/\">&#8211;P\u0159\u00edprava<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/assembling-standard-cmt-systems\/\">&#8211;Mont\u00e1\u017e standardn\u00edch syst\u00e9m\u016f CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/marking-and-cutting-cmt-tubing\/\">&#8211;Zna\u010den\u00ed a \u0159ez\u00e1n\u00ed trubek<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/403-manual-cutting-outer-ports-and-vent-holes\/\">&#8211;V\u00fd\u0159ez vn\u011bj\u0161\u00edch otvor\u016f a v\u011btrac\u00edch otvor\u016f<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/configuring-tubing-bottom\/\">&#8211;Konfigurace dna trubek<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/attaching-cmt-tubing-centralizers\/\">-P\u0159ipojen\u00ed centraliza\u010dn\u00edch trubek<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/cmt-multilevel-system-placement\/\">&#8211;CMT Um\u00edst\u011bn\u00ed<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/attaching-cmt-standard-wellhead\/\">&#8211;P\u0159ipojen\u00ed standardn\u00ed hlavice vrtu<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/optional-cmt-multi-purge-manifold-assembly\/\">-Voliteln\u00e1 sestava v\u00edcepr\u016ftokov\u00e9ho rozd\u011blova\u010de<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/monitoring-options\/\">&#8211;Mo\u017enosti monitorov\u00e1n\u00ed<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/cmt-specifications\/\">&#8211;Specifikace a \u00favahy o CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/intallationterms-and-conditions\/\">&#8211;V\u0161eobecn\u00e9 podm\u00ednky<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/table-of-contents\/\">&#8211;Seznam obsahu<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/\">-Mont\u00e1\u017en\u00ed p\u0159\u00edru\u010dka k v\u00edce\u00farov\u0148ov\u00e9mu syst\u00e9mu CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/pre-installation-requirements\/\">-Po\u017eadavky p\u0159ed instalac\u00ed<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/introduction\/\">&#8211;\u00davod<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/preparation\/\">&#8211;P\u0159\u00edprava<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/assembling-standard-403n-narrow-cmt-systems\/\">&#8211;Mont\u00e1\u017e standardn\u00edch v\u00edce\u00farov\u0148ov\u00fdch syst\u00e9m\u016f CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/marking-narrow-cmt-tubing\/\">&#8211;Ozna\u010den\u00ed trubek CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/cutting-ports-and-vent-holes\/\">&#8211;V\u00fd\u0159ez port\u016f a v\u011btrac\u00edho otvoru<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/configuring-the-bottom-of-narrow-cmt-tubing\/\">&#8211;Konfigurace spodn\u00ed \u010d\u00e1sti trubek CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/narrow-cmt-placement\/\">&#8211;\u00dazk\u00e9 um\u00edst\u011bn\u00ed CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/attaching-standard-wellhead\/\">&#8211;P\u0159ipojen\u00ed standardn\u00ed hlavice vrtu<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/optional-flow-control-monitoring-assembly\/\">&#8211;Voliteln\u00e1 sestava pro monitorov\u00e1n\u00ed \u0159\u00edzen\u00ed pr\u016ftoku<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/optional-multi-purge-manifold-assembly\/\">-Voliteln\u00e1 sestava v\u00edcepr\u016ftokov\u00e9ho rozd\u011blova\u010de<\/option><!-- [et_pb_line_break_holder] --><option value=\"CMT Installation with Sand and Bentonite Cartridges\">-Instalace CMT s p\u00edskov\u00fdmi a bentonitov\u00fdmi kazetami<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/cmt-installation-design-example\/\">&#8211;P\u0159\u00edklad n\u00e1vrhu instalace<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/preparing-sand-and-bentonite-cartridges\/\">&#8211;P\u0159\u00edprava p\u00edsku a bentonitov\u00e9 kartu\u0161e<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/sand-bentonite-cartridge-installation\/\">&#8211;Instalace p\u00edskov\u00fdch a bentonitov\u00fdch kazet<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/narrow-cut-port-assembly\/\">&#8211;Sestava s \u00fazk\u00fdm portem CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/installing-narrow-cmt-sand-cartridges\/\">&#8211;Instalace \u00fazk\u00fdch p\u00edskov\u00fdch kazet CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/installing-spring-cartridges\/\">&#8211;Instalace \u00fazk\u00fdch pru\u017einov\u00fdch kazet CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/monitoring-options\/\">&#8211;Mo\u017enosti v\u00edce\u00farov\u0148ov\u00e9ho monitorov\u00e1n\u00ed syst\u00e9mu CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/terms-and-conditions\/\">&#8211;V\u0161eobecn\u00e9 podm\u00ednky<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/table-of-contents\/\">&#8211;Seznam obsahu<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/purge-and-grout-adaptor-instructions-109095\/\">-N\u00e1vod k obsluze adapt\u00e9ru pro \u010di\u0161t\u011bn\u00ed \/ sp\u00e1rov\u00e1n\u00ed<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/constructing-dual-cmt-ports\/\">-Konstrukce du\u00e1ln\u00edch port\u016f CMT<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/summary-of-drilling-methods-and-techniques\/\">-Souhrn metod a technik vrt\u00e1n\u00ed<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-specifications-and-considerations\/\">-Specifikace a \u00favahy o CMT<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/403-cmt-faq\/\">\u010cASTO KLADEN\u00c9 DOTAZY<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/\">Vy\u0161kolen\u00ed dodavatel\u00e9 CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/cmt-contractor-form.php\">-Sta\u0148te se vy\u0161kolen\u00fdm dodavatelem<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/\">Technick\u00e9 bulletiny a p\u0159\u00edpadov\u00e9 studie<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/high-resolution-vapor-intrusion-monitoring\/\">-CMT pro monitorov\u00e1n\u00ed vnik\u00e1n\u00ed par s vysok\u00fdm rozli\u0161en\u00edm<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/sampling-in-multilevels-options-and-helpful-hints\/\">-Vzorkov\u00e1n\u00ed ve v\u00edce \u00farovn\u00edch: Mo\u017enosti a u\u017eite\u010dn\u00e9 rady<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/cmd-systems-for-the-lust-market\/\">-CMT syst\u00e9my pro trh LUST<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/cmt-vapor-monitoring\/\">-Monitorov\u00e1n\u00ed v\u00fdpar\u016f CMT<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/\">V\u00edce\u00farov\u0148ov\u00e9 syst\u00e9my<\/option><!-- [et_pb_line_break_holder] --><\/select>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8220;1&#8243; specialty=&#8220;on&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;5a5bca26-a9a5-4e6c-8fca-d64da3bdcd40&#8243; custom_padding=&#8220;||||false|false&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_column type=&#8220;1_4&#8243; _builder_version=&#8220;4.16&#8243; custom_padding=&#8220;|||&#8220; global_colors_info=&#8220;{}&#8220; 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link_option_url=&#8220;https:\/\/downloads.solinst.com\/free-shipping?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position1&#038;utm_campaign=free-shipping&#8220; global_module=&#8220;53188&#8243; saved_tabs=&#8220;all&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_slide button_text=&#8220;V\u00fdhody pou\u017e\u00edv\u00e1n\u00ed vodn\u00ed fl\u00e9tny&#8220; button_link=&#8220;https:\/\/www.solinst.com\/cs\/produkty\/fletna-solinst\/405-vodni-fletna\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position1&amp;utm_campaign=405-water-flute&#8220; use_bg_overlay=&#8220;on&#8220; bg_overlay_color=&#8220;rgba(224,97,0,0.58)&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220; background_color=&#8220;#F07C00&#8243; background_enable_color=&#8220;on&#8220; background_image=&#8220;https:\/\/www.solinst.com\/wp-content\/uploads\/2024\/12\/405-water-flute-multilevel-groundwater-system-installation.webp&#8220; background_enable_image=&#8220;on&#8220; background_position=&#8220;top_center&#8220; custom_button=&#8220;on&#8220; button_bg_color=&#8220;#f58025&#8243; button_border_width=&#8220;2px&#8220; button_border_radius=&#8220;20px&#8220; button_font=&#8220;|600|||||||&#8220; background_last_edited=&#8220;on|desktop&#8220; global_colors_info=&#8220;{}&#8220; sticky_transition=&#8220;on&#8220;]<\/p>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<p>&nbsp;<\/p>\n<h2>Hloubkov\u00fd diskr\u00e9tn\u00ed monitoring podzemn\u00edch vod<\/h2>\n<p><b>Sn\u00ed\u017een\u00ed n\u00e1klad\u016f a \u010dasu str\u00e1ven\u00e9ho v ter\u00e9nu<\/b><\/p>\n<p>[\/et_pb_slide][\/et_pb_slider][et_pb_slider disabled_on=&#8220;on|off|off&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220; link_option_url=&#8220;https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position2&#038;utm_campaign=410-101d&#8220; disabled=&#8220;on&#8220; global_module=&#8220;53561&#8243; saved_tabs=&#8220;all&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_slide heading=&#8220;Automatizovan\u00e9 \u010derp\u00e1n\u00ed s re\u017eimem DrawDown&#8220; button_text=&#8220;Nov\u00e9 peristaltick\u00e9 \u010derpadlo Mk5&#8243; button_link=&#8220;https:\/\/www.solinst.com\/cs\/produkty\/vzorkovace-podzemni-vody\/410-peristalticka-cerpadla\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position2&amp;utm_campaign=410-101d&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220; header_text_color=&#8220;#000000&#8243; background_color=&#8220;RGBA(255,255,255,0)&#8220; background_enable_color=&#8220;on&#8220; 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custom_padding__hover=&#8220;|||&#8220;][et_pb_row_inner custom_padding_last_edited=&#8220;on|desktop&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8220; background_color=&#8220;#FFFFFF&#8220; custom_padding_tablet=&#8220;&#8220; custom_padding_phone=&#8220;&#8220; sticky_position=&#8220;top&#8220; sticky_limit_bottom=&#8220;body&#8220; motion_trigger_start=&#8220;top&#8220; sticky_position_tablet=&#8220;top&#8220; sticky_position_phone=&#8220;none&#8220; sticky_position_last_edited=&#8220;on|phone&#8220; sticky_offset_top_tablet=&#8220;127px&#8220; sticky_offset_top_phone=&#8220;133px&#8220; sticky_offset_top_last_edited=&#8220;on|phone&#8220; sticky_offset_surrounding_tablet=&#8220;off&#8220; sticky_offset_surrounding_phone=&#8220;off&#8220; sticky_offset_surrounding_last_edited=&#8220;on|desktop&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_column_inner saved_specialty_column_type=&#8220;3_4&#8243; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_text _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; background_color=&#8220;#FFFFFF&#8220; sticky_limit_bottom=&#8220;section&#8220; sticky_position_tablet=&#8220;top&#8220; sticky_position_phone=&#8220;top&#8220; sticky_position_last_edited=&#8220;off|desktop&#8220; sticky_offset_top_tablet=&#8220;133px&#8220; sticky_offset_top_phone=&#8220;&#8220; sticky_offset_top_last_edited=&#8220;on|phone&#8220; sticky_limit_bottom_tablet=&#8220;none&#8220; sticky_limit_bottom_phone=&#8220;none&#8220; sticky_limit_bottom_last_edited=&#8220;on|desktop&#8220; sticky_offset_surrounding_tablet=&#8220;on&#8220; sticky_offset_surrounding_phone=&#8220;on&#8220; sticky_offset_surrounding_last_edited=&#8220;on|phone&#8220; global_colors_info=&#8220;{}&#8220;]<\/p>\n<h2><strong>Nej\u010dast\u011bj\u0161\u00ed dotazy k CMT<\/strong><strong><\/strong><\/h2>\n<ul>\n<li><a href=\"#general\" title=\"Obecn\u00e9 informace o CMT a specifikace\">Obecn\u00e9 informace o CMT a specifikace<\/a><\/li>\n<li><a href=\"#applications\" title=\"Aplikace v\u00edce\u00farov\u0148ov\u00e9ho syst\u00e9mu CMT\">Aplikace<\/a><\/li>\n<li><a href=\"#drilling\" title=\"Vrt\u00e1n\u00ed a instalace v\u00edce\u00farov\u0148ov\u00fdch syst\u00e9m\u016f CMT\">Vrt\u00e1n\u00ed a instalace<\/a><\/li>\n<li><a href=\"#developing\" title=\"V\u00fdvoj, odb\u011br vzork\u016f a monitorov\u00e1n\u00ed v\u00edce\u00farov\u0148ov\u00fdch syst\u00e9m\u016f CMT\">V\u00fdvoj, odb\u011br vzork\u016f, monitorov\u00e1n\u00ed<\/a><\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner module_id=&#8220;general&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8220; border_color_all=&#8220;#000000&#8243; global_colors_info=&#8220;{}&#8220;][et_pb_column_inner saved_specialty_column_type=&#8220;3_4&#8243; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_text admin_label=&#8220;general&#8220; module_id=&#8220;general&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;]<\/p>\n<h2><strong>Obecn\u00e9 informace o CMT a specifikace<\/strong><\/h2>\n<p>[\/et_pb_text][dsm_faq dsm_make_accordion_toggle=&#8220;on&#8220; dsm_animate_icon=&#8220;on&#8220; admin_label=&#8220;general faq&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;77be2b9f-999b-455f-afb8-d94da1ded8dc&#8220; hover_enabled=&#8220;0&#8243; global_colors_info=&#8220;{}&#8220; sticky_enabled=&#8220;0&#8243;][dsm_faq_child dsm_title=&#8220;Lze segmenty trubek CMT spojit dohromady?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Ne. Syst\u00e9m je navr\u017een tak, aby se instaloval v jedn\u00e9 souvisl\u00e9 d\u00e9lce, \u010d\u00edm\u017e se eliminuje mo\u017enost net\u011bsnosti ve spoj\u00edch. <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jsou vrty CMT akceptov\u00e1ny regula\u010dn\u00edmi org\u00e1ny? Jak p\u0159esv\u011bd\u010dit regula\u010dn\u00ed org\u00e1n, \u017ee syst\u00e9m poskytuje spolehliv\u00e9 \u00fadaje? &#8220; dsm_content=&#8220;<\/p>\n<p><span>Podle toho, co jsme sly\u0161eli, rozhodn\u011b ANO! Tento syst\u00e9m je v\u0161ak pro mnoho lid\u00ed, v\u010detn\u011b mnoha st\u00e1tn\u00edch a m\u00edstn\u00edch regula\u010dn\u00edch org\u00e1n\u016f, st\u00e1le nov\u00fd. Po jejich zaveden\u00ed do syst\u00e9mu v\u0161ak v\u011bt\u0161ina regula\u010dn\u00edch org\u00e1n\u016f pou\u017e\u00edv\u00e1n\u00ed vrt\u016f CMT bezv\u00fdhradn\u011b podporuje. T\u011b\u0161\u00ed se na lep\u0161\u00ed definici zplodin, kterou jim umo\u017en\u00ed v\u00edce\u00farov\u0148ov\u00e9 monitorov\u00e1n\u00ed, zejm\u00e9na ve srovn\u00e1n\u00ed se slo\u017een\u00fdmi vzorky z dlouho prov\u011b\u0159ovan\u00fdch monitorovac\u00edch vrt\u016f, s nimi\u017e se museli spokojit v minulosti. Obvyklou obavou, kterou vyjad\u0159uje regula\u010dn\u00ed komunita, je neporu\u0161enost t\u011bsnic\u00edch krou\u017ek\u016f vrtu, kter\u00e9 zabra\u0148uj\u00ed vertik\u00e1ln\u00edmu pohybu podzemn\u00ed vody mezi jednotliv\u00fdmi z\u00f3nami. To je jedna z hlavn\u00edch v\u00fdhod syst\u00e9mu CMT. Na rozd\u00edl od vno\u0159en\u00fdch vrt\u016f, kdy je v jednom vrtu um\u00edst\u011bno n\u011bkolik pa\u017enic, je v p\u0159\u00edpad\u011b syst\u00e9mu CMT ve vrtu pouze jedna pa\u017enice, p\u0159esn\u011bji \u0159e\u010deno jedna trubka. To zjednodu\u0161uje instalaci a zvy\u0161uje spolehlivost krou\u017ekov\u00fdch t\u011bsn\u011bn\u00ed instalovan\u00fdch mezi r\u016fzn\u00fdmi sledovan\u00fdmi z\u00f3nami. Dal\u0161\u00ed obavy n\u011bkter\u00fdch regula\u010dn\u00edch org\u00e1n\u016f se t\u00fdkaj\u00ed kvality vzork\u016f podzemn\u00ed vody odebran\u00fdch z vrt\u016f CMT. Nejlep\u0161\u00edm zp\u016fsobem, jak informovat regul\u00e1tora o v\u00fdhod\u00e1ch v\u00edce\u00farov\u0148ov\u00e9ho monitorov\u00e1n\u00ed pomoc\u00ed syst\u00e9mu CMT, je nasm\u011brovat ho na ned\u00e1vno zve\u0159ejn\u011bn\u00fd \u010dl\u00e1nek o syst\u00e9mu CMT, jeho\u017e autory jsou jeho vyn\u00e1lezci Murray Einarson a John Cherry. Tento \u010dl\u00e1nek (Einarson a Cherry, GWMR podzim 2002) si m\u016f\u017eete st\u00e1hnout z na\u0161ich webov\u00fdch str\u00e1nek.<\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Existuj\u00ed n\u011bjak\u00e9 chemick\u00e9 vlivy nebo zkreslen\u00ed spojen\u00e9 s polyethylenov\u00fdmi trubkami nebo jin\u00fdmi \u010d\u00e1stmi syst\u00e9mu CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Zde jsou uvedeny chemick\u00e9 odchylky spojen\u00e9 se v\u0161emi typy monitorovac\u00edch vrt\u016f a vzorkovac\u00edch \u010derpadel podzemn\u00ed vody. Potenci\u00e1ln\u00ed chemick\u00e9 bias spojen\u00e9 se syst\u00e9mem CMT se t\u00fdkaj\u00ed (1) pou\u017eit\u00ed polyethylenov\u00fdch trubek a (2) vzorkovac\u00edch za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00fdch k odb\u011bru vzork\u016f vody. Hydrofobn\u00ed organick\u00e9 kontaminanty se mohou sorbovat na polyethylenov\u00e9 trubice, co\u017e m\u016f\u017ee zp\u016fsobit negativn\u00ed zkreslen\u00ed odb\u011bru vzork\u016f. V n\u011bkter\u00fdch situac\u00edch mohou tyt\u00e9\u017e slou\u010deniny difundovat p\u0159es polyethylen, a to bu\u010f z vn\u011bj\u0161ku vrtu, nebo ze sousedn\u00edch kan\u00e1l\u016f, co\u017e m\u016f\u017ee v n\u011bkter\u00fdch kan\u00e1lech zp\u016fsobit pozitivn\u00ed zkreslen\u00ed odb\u011bru vzork\u016f. Potenci\u00e1ln\u00ed zkreslen\u00ed u hydrofiln\u00edch kontaminant\u016f, nap\u0159. MTBE nebo v\u011bt\u0161iny anorganick\u00fdch slou\u010denin, je minim\u00e1ln\u00ed. D\u016fkladn\u00e1 diskuse o t\u011bchto potenci\u00e1ln\u00edch zkreslen\u00edch odb\u011bru vzork\u016f je uvedena v \u010dl\u00e1nku Einarsona a Cherryho popisuj\u00edc\u00edm syst\u00e9m CMT, kter\u00fd byl zve\u0159ejn\u011bn v podzimn\u00edm \u010d\u00edsle \u010dasopisu Groundwater Monitoring and Remediation z roku 2002. (Viz sekce Papers na t\u011bchto webov\u00fdch str\u00e1nk\u00e1ch.)      <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Pro\u010d nen\u00ed syst\u00e9m k dispozici v proveden\u00ed Teflon\u00ae?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Zkoumali jsme my\u0161lenku vyrobit trubky CMT z teflonu, ale z n\u011bkolika d\u016fvod\u016f jsme ji zavrhli. Zaprv\u00e9, teflon je polymer, se kter\u00fdm se obt\u00ed\u017en\u011b pracuje, a nen\u00ed mo\u017en\u00e9 vytla\u010dit teflon ve tvaru sou\u010dasn\u00e9ho syst\u00e9mu CMT. Za druh\u00e9, teflon je velmi drah\u00fd, co\u017e by zv\u00fd\u0161ilo n\u00e1klady na syst\u00e9m CMT a\u017e desetin\u00e1sobn\u011b. A kone\u010dn\u011b, teflon nen\u00ed imunn\u00ed v\u016f\u010di zkreslen\u00ed p\u0159i odb\u011bru vzork\u016f; hydrofobn\u00ed t\u011bkav\u00e9 organick\u00e9 l\u00e1tky mohou difundovat st\u011bnami teflonov\u00fdch trubek stejn\u011b jako st\u011bnami polyethylenov\u00fdch trubek.   <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak se li\u0161\u00ed vrty CMT od vrt\u016f %22nested%22?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Studny CMT se skute\u010dn\u011b velmi li\u0161\u00ed od %22vno\u0159en\u00fdch studn\u00ed%22. Ve skute\u010dnosti byl syst\u00e9m CMT navr\u017een \u010d\u00e1ste\u010dn\u011b kv\u016fli probl\u00e9m\u016fm spojen\u00fdm s vno\u0159en\u00fdmi vrty. Vno\u0159en\u00e9 vrty jsou v\u00edce\u00farov\u0148ov\u00e9 vrty, kter\u00e9 maj\u00ed v jedin\u00e9m vrtu v\u00edce pl\u00e1\u0161\u0165\u016f. Tento typ konstrukce vrt\u016f byl obl\u00edben\u00fd v 70. a na po\u010d\u00e1tku 80. let 20. stolet\u00ed. Americk\u00e1 agentura EPA a dal\u0161\u00ed regula\u010dn\u00ed org\u00e1ny v\u0161ak pou\u017e\u00edv\u00e1n\u00ed vno\u0159en\u00fdch vrt\u016f d\u016frazn\u011b nedoporu\u010duj\u00ed kv\u016fli mnoha zdokumentovan\u00fdm p\u0159\u00edpad\u016fm, kdy \u0161patn\u00e9 t\u011bsn\u011bn\u00ed mezi pl\u00e1\u0161ti vedlo ke vz\u00e1jemn\u00e9mu propojen\u00ed r\u016fzn\u00fdch sledovan\u00fdch z\u00f3n.     V\u011bt\u0161ina vrt\u016f nen\u00ed dokonale rovn\u00e1 nebo kolm\u00e1 a pl\u00e1\u0161t\u011b v n\u011bkter\u00fdch \u010d\u00e1stech vrtu nevyhnuteln\u011b le\u017e\u00ed proti sob\u011b. Bentonitov\u00e9 pelety a\/nebo cementov\u00e9 z\u00e1livky nemus\u00ed zcela vyplnit prostory mezi pa\u017enicemi, co\u017e vede ke vzniku pr\u00e1zdn\u00fdch prostor, kter\u00e9 umo\u017e\u0148uj\u00ed vz\u00e1jemnou komunikaci mezi r\u016fzn\u00fdmi monitorovac\u00edmi z\u00f3nami. V oblastech, kde jsou st\u00e1le povoleny vno\u0159en\u00e9 vrty, obvykle existuj\u00ed po\u017eadavky na pou\u017eit\u00ed distan\u010dn\u00edch prvk\u016f, kter\u00e9 udr\u017euj\u00ed r\u016fzn\u00e1 pouzdra ve vrtu od sebe. Obvykle se tak\u00e9 po\u017eaduje, aby mezi jednotliv\u00fdmi pl\u00e1\u0161ti vrtu byla instalov\u00e1na 2palcov\u00e1 prstencovit\u00e1 t\u011bsn\u011bn\u00ed. Tento po\u017eadavek vede k tomu, \u017ee vrty mus\u00ed m\u00edt pr\u016fm\u011br 12 palc\u016f nebo v\u011bt\u0161\u00ed. Zv\u00fd\u0161en\u00e9 n\u00e1klady na v\u011bt\u0161\u00ed vrty rychle sni\u017euj\u00ed atraktivitu vno\u0159en\u00fdch vrt\u016f ve srovn\u00e1n\u00ed se skupinami jednotliv\u00fdch vrt\u016f, zejm\u00e9na pokud se zohledn\u00ed nejistota prstencov\u00e9ho t\u011bsn\u011bn\u00ed. U syst\u00e9mu CMT jsou r\u016fzn\u00e9 monitorovac\u00ed kan\u00e1ly uvnit\u0159 trubek CMT. Ve vrtu je tedy pouze jedna hladkost\u011bnn\u00e1 trubka. Trubka je vycentrov\u00e1na uvnit\u0159 vrtu pomoc\u00ed n\u00edzkoprofilov\u00fdch centraliz\u00e9r\u016f Solinst a prstencovou ucp\u00e1vku o tlou\u0161\u0165ce 2 palce lze snadno a spolehliv\u011b instalovat do jedin\u00e9ho vrtu o pr\u016fm\u011bru pouh\u00fdch 5,6 palce.        <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Odpov\u00eddaj\u00ed studny CMT st\u00e1tn\u00edm a okresn\u00edm norm\u00e1m pro stavbu studn\u00ed?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Normy pro v\u00fdstavbu vrt\u016f se v jednotliv\u00fdch regionech li\u0161\u00ed, ale ve v\u011bt\u0161in\u011b oblast\u00ed by vrty CMT m\u011bly b\u00fdt pln\u011b v souladu s normami pro v\u00fdstavbu vrt\u016f. Mnoho st\u00e1t\u016f a okres\u016f vy\u017eaduje 2palcov\u00e9 prstencov\u00e9 t\u011bsn\u011bn\u00ed mezi pl\u00e1\u0161t\u011bm vrtu a st\u011bnou vrtu. Toho lze u vrt\u016f CMT snadno dos\u00e1hnout. Vzhledem k relativn\u011b mal\u00e9mu pr\u016fm\u011bru syst\u00e9mu (1,6 palce) je po\u017eadavek na 2palcov\u00e9 t\u011bsn\u011bn\u00ed spln\u011bn instalac\u00ed syst\u00e9mu do vrtu o pr\u016fm\u011bru 5,6 palce nebo v\u011bt\u0161\u00edm. N\u00edzkoprofilov\u00e9 centraliz\u00e1tory zaji\u0161\u0165uj\u00ed, \u017ee vrty CMT jsou ve vrtu vycentrov\u00e1ny a \u017ee t\u011bsnic\u00ed materi\u00e1l rovnom\u011brn\u011b vypl\u0148uje prostor kolem trubek CMT.    <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00fd je objem proplachov\u00e1n\u00ed r\u016fzn\u00fdch kan\u00e1l\u016f CMT na jeden metr trubky?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Do 6 vn\u011bj\u0161\u00edch kan\u00e1lk\u016f ve tvaru kol\u00e1\u010de v hadi\u010dce CMT se vejde 40 ml tekutiny na jeden line\u00e1rn\u00ed metr hadi\u010dky. St\u0159edn\u00ed kan\u00e1l pojme p\u0159ibli\u017en\u011b 30 ml na line\u00e1rn\u00ed stopu. <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Pro\u010d je syst\u00e9m CMT levn\u011bj\u0161\u00ed ne\u017e jin\u00e9 v\u00edce\u00farov\u0148ov\u00e9 syst\u00e9my?&#8220; dsm_content=&#8220;<\/p>\n<p><span>To m\u00e1 n\u011bkolik d\u016fvod\u016f. Zaprv\u00e9, hadi\u010dky jsou vyrobeny z vysokohustotn\u00edho polyethylenu (HDPE), co\u017e je levn\u00fd materi\u00e1l, kter\u00fd se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 pro odb\u011br vzork\u016f z \u017eivotn\u00edho prost\u0159ed\u00ed. Za druh\u00e9, trubky nemaj\u00ed \u017e\u00e1dn\u00e9 spoje; trubky jsou souvisl\u00e9 od povrchu zem\u011b a\u017e po dno vrtu. Spoje zvy\u0161uj\u00ed n\u00e1klady na monitorovac\u00ed vrty, proto\u017ee vy\u017eaduj\u00ed d\u016fmyslnou konstrukci a pe\u010dliv\u00e9 opracov\u00e1n\u00ed, aby se zachovala pevnost v tahu a zabr\u00e1nilo se \u00faniku.   <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00e9 dokumenty nebo pokyny popisuj\u00edc\u00ed syst\u00e9m CMT byly zve\u0159ejn\u011bny?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Bylo publikov\u00e1no n\u011bkolik prac\u00ed popisuj\u00edc\u00edch v\u00edce\u00farov\u0148ov\u00fd monitorovac\u00ed syst\u00e9m CMT a st\u00e1le p\u0159ib\u00fdvaj\u00ed dal\u0161\u00ed. Nej\u00fapln\u011bj\u0161\u00ed popis syst\u00e9mu CMT je obsa\u017een v technick\u00e9m \u010dl\u00e1nku publikovan\u00e9m v podzimn\u00edm \u010d\u00edsle \u010dasopisu Ground Water Monitoring and Remediation z roku 2002 (Einarson a Cherry, 2002). V\u0161imn\u011bte si v\u0161ak, \u017ee od naps\u00e1n\u00ed tohoto \u010dl\u00e1nku do\u0161lo k n\u011bkolika vylep\u0161en\u00edm syst\u00e9mu. Syst\u00e9m CMT je tak\u00e9 pops\u00e1n v metodick\u00e9m dokumentu Americk\u00e9ho ropn\u00e9ho institutu z roku 2000 s n\u00e1zvem %22Strategie charakterizace lokalit s \u00faniky MTBE a jin\u00fdch palivov\u00fdch oxygen\u00e1t\u016f%22. Tyto a dal\u0161\u00ed dokumenty si m\u016f\u017eete st\u00e1hnout v sekci Dokumenty na na\u0161ich webov\u00fdch str\u00e1nk\u00e1ch.    <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;M\u00e1 v\u00edce\u00farov\u0148ov\u00fd syst\u00e9m Waterloo n\u011bjak\u00e9 v\u00fdhody oproti syst\u00e9mu CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Ano. <\/span><a href=%22\/?page_id=2640%22 data-uw-rm-brl=%22PR%22 data-uw-original-href=%22https:\/\/www.solinst.com\/cs\/produkty\/viceurovnove-systemy\/401-viceurovnovy-system-waterloo\/%22>Syst\u00e9m Waterloo<\/a><span> je vhodn\u011bj\u0161\u00ed pro hlub\u0161\u00ed aplikace, aplikace vy\u017eaduj\u00edc\u00ed speci\u00e1ln\u00ed materi\u00e1ly, jako je nerezov\u00e1 ocel nebo teflon, a pro aplikace, kter\u00e9 vy\u017eaduj\u00ed speci\u00e1ln\u00ed \u010derpadla a sn\u00edma\u010de tlaku a\u017e v 8 z\u00f3n\u00e1ch.<\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Na sv\u00e9m pracovi\u0161ti nem\u00e1m m\u00edsto, kde bych mohl rozlo\u017eit trubky, abych mohl ozna\u010dit a nainstalovat sac\u00ed otvory a s\u00edta studny. Jak\u00e9 m\u00e1m dal\u0161\u00ed mo\u017enosti? &#8220; dsm_content=&#8220;<\/p>\n<p><span>U dlouh\u00fdch trubek, nap\u0159. del\u0161\u00edch ne\u017e 100 stop, je \u010dasto nepraktick\u00e9 polo\u017eit trubky na zem na pracovi\u0161ti, aby bylo mo\u017en\u00e9 ozna\u010dit a instalovat r\u016fzn\u00e9 sac\u00ed otvory a s\u00edta. Doporu\u010dujeme vyzna\u010dit um\u00edst\u011bn\u00ed port\u016f na trubce p\u0159edem a p\u0159iv\u00e9zt svinutou trubku CMT na pracovi\u0161t\u011b. P\u0159i spou\u0161t\u011bn\u00ed trubek CMT do vrtu pak m\u016f\u017eete nainstalovat porty a s\u00edta na spr\u00e1vn\u00e1 m\u00edsta. Alternativn\u011b lze syst\u00e9m CMT postavit kdekoli, kde je k dispozici prostor, a pot\u00e9 jej navinout a dopravit na staveni\u0161t\u011b.   <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Pro\u010d nejsou trubky CMT dostupn\u00e9 ve v\u011bt\u0161\u00edch pr\u016fm\u011brech?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Zkou\u0161eli jsme vyrobit trubky CMT ve v\u011bt\u0161\u00edch pr\u016fm\u011brech, ale zjistili jsme, \u017ee to m\u00e1 ne\u017e\u00e1douc\u00ed v\u00fdsledky. Zaprv\u00e9, zv\u011bt\u0161en\u00ed pr\u016fm\u011bru trubek vedlo ke sn\u00ed\u017een\u00ed pevnosti trubek p\u0159i kolapsu. Za druh\u00e9, trubky o v\u011bt\u0161\u00edm pr\u016fm\u011bru se obt\u00ed\u017en\u011bji nav\u00edjely a nebylo mo\u017en\u00e9 je nav\u00edjet na trubky o pr\u016fm\u011bru dostate\u010dn\u011b mal\u00e9m pro p\u0159epravu b\u011b\u017en\u00fdmi dopravci. M\u00edsto zv\u011bt\u0161ov\u00e1n\u00ed trubek jsme vyvinuli p\u00e1sky pro m\u011b\u0159en\u00ed hladiny vody a \u010derpadla pro odb\u011br vzork\u016f, kter\u00e9 se snadno vejdou do v\u0161ech kan\u00e1lk\u016f st\u00e1vaj\u00edc\u00edch trubek CMT. Viz modely 101M a 102 hladinom\u011br\u016f.    <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00e1 je historie syst\u00e9mu CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Syst\u00e9m CMT p\u016fvodn\u011b vyvinul Murray Einarson je\u0161t\u011b jako postgradu\u00e1ln\u00ed student na univerzit\u011b ve Waterloo v kanadsk\u00e9m Ontariu. V t\u00e9 dob\u011b byl Murray partnerem kalifornsk\u00e9 spole\u010dnosti Precision Sampling, kter\u00e1 si ponechala patentov\u00e1 pr\u00e1va na CMT a\u017e do prodeje spole\u010dnosti Precision firm\u011b Conor Pacific Environmental v roce 1998. V roce 1999 z\u00edskal Murray od spole\u010dnosti Conor Pacific v\u00fdhradn\u00ed vlastnictv\u00ed patentov\u00fdch pr\u00e1v a podepsal smlouvu se spole\u010dnost\u00ed Solinst, kter\u00e1 j\u00ed poskytla v\u00fdhradn\u00ed celosv\u011btov\u00e1 pr\u00e1va na v\u00fdrobu a prodej syst\u00e9mu. Od t\u00e9 doby spole\u010dnost Solinst syst\u00e9m CMT d\u00e1le vyv\u00edjela a navrhla spolehliv\u00e9 mechanick\u00e9 ucp\u00e1vky pro ka\u017ed\u00fd kan\u00e1l, port pro vodic\u00ed bod, kter\u00fd umo\u017e\u0148uje snadn\u00fd p\u0159\u00edstup k centr\u00e1ln\u00edmu kan\u00e1lu, a sadu specializovan\u00fdch n\u00e1stroj\u016f pro zjednodu\u0161en\u00ed mont\u00e1\u017ee syst\u00e9mu.   <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Kolik vrt\u016f CMT bylo dosud instalov\u00e1no?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Na \u010dty\u0159ech kontinentech sv\u011bta byly instalov\u00e1ny tis\u00edce vrt\u016f CMT. Vrty CMT byly instalov\u00e1ny ve v\u011bt\u0161in\u011b st\u00e1t\u016f USA a v Kanad\u011b, Velk\u00e9 Brit\u00e1nii, It\u00e1lii, Singapuru a Jihoafrick\u00e9 republice. <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_0&#8243;][\/dsm_faq_child][\/dsm_faq][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner module_id=&#8220;general&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8220; border_color_all=&#8220;#000000&#8243; global_colors_info=&#8220;{}&#8220;][et_pb_column_inner saved_specialty_column_type=&#8220;3_4&#8243; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_text admin_label=&#8220;applications&#8220; module_id=&#8220;applications&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;]<\/p>\n<h2><strong>Aplikace<\/strong><\/h2>\n<p>[\/et_pb_text][dsm_faq dsm_make_accordion_toggle=&#8220;on&#8220; dsm_animate_icon=&#8220;on&#8220; admin_label=&#8220;applications faq&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;77be2b9f-999b-455f-afb8-d94da1ded8dc&#8220; hover_enabled=&#8220;0&#8243; global_colors_info=&#8220;{}&#8220; sticky_enabled=&#8220;0&#8243;][dsm_faq_child dsm_title=&#8220;Lze vrty CMT pou\u017e\u00edt pro odb\u011br vzork\u016f p\u016fdn\u00edho plynu?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Ano. K dispozici jsou speci\u00e1ln\u00ed tvarovky pro odb\u011br vzork\u016f p\u016fdn\u00edho plynu ze v\u0161ech kan\u00e1l\u016f trubek CMT. Pro podrobnosti n\u00e1s kontaktujte.  <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_1&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00e9 hydraulick\u00e9 zkou\u0161ky lze prov\u00e1d\u011bt ve vrtech CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Studny CMT jsou ide\u00e1ln\u00edmi v\u00edce\u00farov\u0148ov\u00fdmi pozorovac\u00edmi studnami p\u0159i testech \u010derp\u00e1n\u00ed podzemn\u00ed vody. Hydraulick\u00e9 zkou\u0161ky byly prov\u00e1d\u011bny tak\u00e9 v samotn\u00fdch vrtech. V\u011bt\u0161ina dosud proveden\u00fdch zkou\u0161ek ve vrtech CMT byly slim\u00e1kov\u00e9 zkou\u0161ky, p\u0159i nich\u017e se ke sn\u00ed\u017een\u00ed hladiny vody ve zku\u0161ebn\u00ed z\u00f3n\u011b pou\u017e\u00edv\u00e1 stla\u010den\u00fd vzduch. Stla\u010den\u00fd vzduch je n\u00e1hle uvoln\u011bn a zotaven\u00ed intervalu je sledov\u00e1no m\u011b\u0159en\u00edm stoupaj\u00edc\u00ed hladiny vody v pr\u016fb\u011bhu \u010dasu. Sn\u00edma\u010de s mal\u00fdm pr\u016fm\u011brem v\u00fdrazn\u011b zjednodu\u0161uj\u00ed sledov\u00e1n\u00ed zotaven\u00ed hladiny vody, zejm\u00e9na v hrubozrnn\u00fdch formac\u00edch, kter\u00e9 se rychle zotavuj\u00ed. Dobr\u00fd zdroj informac\u00ed t\u00fdkaj\u00edc\u00edch se hydraulick\u00fdch zkou\u0161ek ve vrtech s mal\u00fdm pr\u016fm\u011brem lze nal\u00e9zt na internetov\u00fdch str\u00e1nk\u00e1ch Kansask\u00e9 univerzity:       <\/span><a href=%22http:\/\/www.geo.ku.edu\/%22 data-et-target-link=%22_blank%22 data-uw-rm-brl=%22PR%22 data-uw-original-href=%22http:\/\/www.geo.ku.edu\/%22 aria-label=%22http:\/\/www.geo.ku.edu - open in a new tab%22 data-uw-rm-ext-link=%22%22 uw-rm-external-link-id=%22http:\/\/www.geo.ku.edu\/$http:\/\/www.geo.ku.edu%22 rel=%22noopener%22>http:\/\/www.geo.ku.edu<\/a><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_1&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jsou vzorky podzemn\u00ed vody odebran\u00e9 z vrt\u016f CMT stejn\u011b kvalitn\u00ed jako vzorky odebran\u00e9 z 2palcov\u00fdch nebo 4palcov\u00fdch konven\u010dn\u00edch monitorovac\u00edch vrt\u016f?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Vzorky podzemn\u00ed vody z vrt\u016f CMT jsou nejen stejn\u011b dobr\u00e9 jako vzorky odebran\u00e9 z tradi\u010dn\u00edch monitorovac\u00edch vrt\u016f, ale obvykle jsou lep\u0161\u00ed! Nejd\u016fle\u017eit\u011bj\u0161\u00ed je, \u017ee vzorky z vrt\u016f CMT jsou diskr\u00e9tn\u00ed vzorky z vodonosn\u00e9 vrstvy, nikoliv slo\u017een\u00e9 vzorky typick\u00e9 pro dlouho prov\u011b\u0159ovan\u00e9 konven\u010dn\u00ed monitorovac\u00ed vrty. Pokud je tedy koncentrace kontaminantu ve vzorku odebran\u00e9m z ur\u010dit\u00e9ho kan\u00e1lu CMT n\u00edzk\u00e1, m\u016f\u017eete si b\u00fdt jisti, \u017ee koncentrace ve vodonosn\u00e9 vrstv\u011b v dan\u00e9 hloubce je skute\u010dn\u011b n\u00edzk\u00e1, a nikoli n\u00edzk\u00e1 z d\u016fvodu \u0159ed\u011bn\u00ed, jak tomu m\u016f\u017ee b\u00fdt v p\u0159\u00edpad\u011b b\u011b\u017en\u00e9ho monitorovac\u00edho vrtu. Dal\u0161\u00ed diskuse o zkreslen\u00edch p\u0159i odb\u011bru vzork\u016f spojen\u00fdch s konven\u010dn\u00edmi monitorovac\u00edmi vrty a o technick\u00fdch v\u00fdhod\u00e1ch v\u00edce\u00farov\u0148ov\u00e9ho monitorov\u00e1n\u00ed podzemn\u00edch vod je uvedena v sekci Dokumenty. Krom\u011b toho jsou vzorky vody odebran\u00e9 z vrt\u016f CMT \u010dasto m\u00e9n\u011b zakalen\u00e9 ne\u017e vzorky odebran\u00e9 z b\u011b\u017en\u00fdch monitorovac\u00edch vrt\u016f. Velikost \u0161t\u011brbiny a p\u00edskov\u00e9ho obalu b\u011b\u017en\u00e9ho monitorovac\u00edho vrtu je \u010dasto kompromisem vzhledem k \u0161irok\u00e9mu rozsahu zrnitosti, kter\u00e1 se vyskytuje ve st\u00edn\u011bn\u00e9m intervalu v\u011bt\u0161iny vrt\u016f. S\u00edta ve vrtu a p\u00edskov\u00fd obal mohou b\u00fdt p\u0159\u00edli\u0161 mal\u00e9 pro hrub\u0161\u00ed frakci, ale p\u0159\u00edli\u0161 velk\u00e9 pro jemnozrnn\u00e9 vrstvy uvnit\u0159 prov\u011b\u0159ovan\u00e9 z\u00f3ny. To vede k vysok\u00e9 \u00farovni z\u00e1kalu ve vzorc\u00edch vody, proto\u017ee jemnozrnn\u00e9 sedimenty nejsou \u00fa\u010dinn\u011b filtrov\u00e1ny s\u00edtem a p\u00edskov\u00fdm obalem vrtu. Naproti tomu vrty CMT obvykle monitoruj\u00ed kr\u00e1tk\u00e9, diskr\u00e9tn\u00ed intervaly ve vodonosn\u00e9 vrstv\u011b. S\u00edtko vrtu a p\u00edskov\u00fd obal v ka\u017ed\u00e9 sledovan\u00e9 z\u00f3n\u011b lze optimalizovat pro zrnitost sediment\u016f v ka\u017ed\u00e9m intervalu. Ka\u017ed\u00e9 vstupn\u00ed hrdlo vrtu CMT m\u016f\u017ee m\u00edt jinou velikost s\u00edta a p\u00edskov\u00e9ho obalu v z\u00e1vislosti na litologii materi\u00e1l\u016f vodonosn\u00e9 vrstvy v ka\u017ed\u00e9 sledovan\u00e9 z\u00f3n\u011b. Tato flexibilita v konstrukci vrtu optimalizuje filtra\u010dn\u00ed vlastnosti vrtu CMT a v\u00fdsledkem jsou \u010dist\u00e9 vzorky vody bez z\u00e1kalu. Vrty CMT maj\u00ed oproti b\u011b\u017en\u00fdm monitorovac\u00edm vrt\u016fm dal\u0161\u00ed v\u00fdhody. Zaprv\u00e9, proplachovac\u00ed objem vrt\u016f CMT je velmi mal\u00fd. To znamen\u00e1, \u017ee p\u0159i b\u011b\u017en\u00e9m odb\u011bru vzork\u016f je m\u00e9n\u011b kontaminovan\u00e9 vody, kterou je t\u0159eba upravovat nebo likvidovat. Vezm\u011bme si p\u0159\u00edpad \u010dty\u0159z\u00f3nov\u00e9ho vrtu CMT, kter\u00fd m\u00e1 porty v hloubk\u00e1ch 20, 40, 60 a 80 stop. Za p\u0159edpokladu, \u017ee statick\u00e1 hladina vody je 10 stop pod povrchem zem\u011b, objem vody pot\u0159ebn\u00fd k pro\u010di\u0161t\u011bn\u00ed dvojn\u00e1sobku %22objemu pl\u00e1\u0161t\u011b%22 \u010dty\u0159 kan\u00e1l\u016f by byl asi 7 litr\u016f nebo m\u00e9n\u011b ne\u017e 2 galony! Za druh\u00e9, vrty CMT detekuj\u00ed zm\u011bny piezometrick\u00e9ho tlaku p\u0159esn\u011bji ne\u017e tradi\u010dn\u00ed monitorovac\u00ed vrty. Monitorovac\u00ed vrty o pr\u016fm\u011bru dva nebo \u010dty\u0159i palce uchov\u00e1vaj\u00ed velk\u00e9 mno\u017estv\u00ed vody ve srovn\u00e1n\u00ed s jednotliv\u00fdmi kan\u00e1ly ve vrtu CMT. Velk\u00e9 mno\u017estv\u00ed vody ulo\u017een\u00e9 v konven\u010dn\u00edm monitorovac\u00edm vrtu znamen\u00e1, \u017ee vrt bude pomalu reagovat na zm\u011bny piezometrick\u00e9ho tlaku ve vodonosn\u00e9 vrstv\u011b. To plat\u00ed zejm\u00e9na pro formace s n\u00edzkou v\u00fdt\u011b\u017enost\u00ed, kde m\u016f\u017ee trvat t\u00fddny a dokonce m\u011bs\u00edce, ne\u017e se pa\u017enice vrtu napln\u00ed na statickou hladinu vody. Naproti tomu jamky CMT reaguj\u00ed a vyrovn\u00e1vaj\u00ed se rychle d\u00edky mal\u00e9mu objemu r\u016fzn\u00fdch kan\u00e1lk\u016f.<\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_1&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak se li\u0161\u00ed vrty CMT od vrt\u016f %22nested%22?&#8220; dsm_content=&#8220;<\/p>\n<p>Studny CMT se skute\u010dn\u011b velmi li\u0161\u00ed od %22vno\u0159en\u00fdch studn\u00ed%22. Ve skute\u010dnosti byl syst\u00e9m CMT navr\u017een \u010d\u00e1ste\u010dn\u011b kv\u016fli probl\u00e9m\u016fm spojen\u00fdm s vno\u0159en\u00fdmi vrty. Vno\u0159en\u00e9 vrty jsou v\u00edce\u00farov\u0148ov\u00e9 vrty, kter\u00e9 maj\u00ed v jedin\u00e9m vrtu v\u00edce pl\u00e1\u0161\u0165\u016f. Tento typ konstrukce vrt\u016f byl obl\u00edben\u00fd v 70. a na po\u010d\u00e1tku 80. let 20. stolet\u00ed. Americk\u00e1 agentura EPA a dal\u0161\u00ed regula\u010dn\u00ed org\u00e1ny v\u0161ak pou\u017e\u00edv\u00e1n\u00ed vno\u0159en\u00fdch vrt\u016f d\u016frazn\u011b nedoporu\u010duj\u00ed kv\u016fli mnoha zdokumentovan\u00fdm p\u0159\u00edpad\u016fm, kdy \u0161patn\u00e9 t\u011bsn\u011bn\u00ed mezi pl\u00e1\u0161ti vedlo ke vz\u00e1jemn\u00e9mu propojen\u00ed r\u016fzn\u00fdch sledovan\u00fdch z\u00f3n.    <\/p>\n<p>V\u011bt\u0161ina vrt\u016f nen\u00ed dokonale rovn\u00e1 nebo kolm\u00e1 a pl\u00e1\u0161t\u011b v n\u011bkter\u00fdch \u010d\u00e1stech vrtu nevyhnuteln\u011b le\u017e\u00ed proti sob\u011b. Bentonitov\u00e9 pelety a\/nebo cementov\u00e9 z\u00e1livky nemus\u00ed zcela vyplnit prostory mezi pa\u017enicemi, co\u017e vede ke vzniku pr\u00e1zdn\u00fdch prostor, kter\u00e9 umo\u017e\u0148uj\u00ed vz\u00e1jemnou komunikaci mezi r\u016fzn\u00fdmi monitorovac\u00edmi z\u00f3nami. V oblastech, kde jsou st\u00e1le povoleny vno\u0159en\u00e9 vrty, obvykle existuj\u00ed po\u017eadavky na pou\u017eit\u00ed distan\u010dn\u00edch prvk\u016f, kter\u00e9 udr\u017euj\u00ed r\u016fzn\u00e1 pouzdra ve vrtu od sebe. Obvykle se tak\u00e9 po\u017eaduje, aby mezi jednotliv\u00fdmi pl\u00e1\u0161ti vrtu byla instalov\u00e1na 2palcov\u00e1 prstencovit\u00e1 t\u011bsn\u011bn\u00ed. Tento po\u017eadavek vede k tomu, \u017ee vrty mus\u00ed m\u00edt pr\u016fm\u011br 12 palc\u016f nebo v\u011bt\u0161\u00ed. Zv\u00fd\u0161en\u00e9 n\u00e1klady na v\u011bt\u0161\u00ed vrty rychle sni\u017euj\u00ed atraktivitu vno\u0159en\u00fdch vrt\u016f ve srovn\u00e1n\u00ed se skupinami jednotliv\u00fdch vrt\u016f, zejm\u00e9na pokud se zohledn\u00ed nejistota prstencov\u00e9ho t\u011bsn\u011bn\u00ed. U syst\u00e9mu CMT jsou r\u016fzn\u00e9 monitorovac\u00ed kan\u00e1ly uvnit\u0159 trubek CMT. Ve vrtu je tedy pouze jedna hladkost\u011bnn\u00e1 trubka. Trubka je vycentrov\u00e1na uvnit\u0159 vrtu pomoc\u00ed n\u00edzkoprofilov\u00fdch centraliz\u00e9r\u016f Solinst a prstencovou ucp\u00e1vku o tlou\u0161\u0165ce 2 palce lze snadno a spolehliv\u011b instalovat do jedin\u00e9ho vrtu o pr\u016fm\u011bru pouh\u00fdch 5,6 palce.        <\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_1&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Odpov\u00eddaj\u00ed studny CMT st\u00e1tn\u00edm a okresn\u00edm norm\u00e1m pro stavbu studn\u00ed?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Normy pro v\u00fdstavbu vrt\u016f se v jednotliv\u00fdch regionech li\u0161\u00ed, ale ve v\u011bt\u0161in\u011b oblast\u00ed by vrty CMT m\u011bly b\u00fdt pln\u011b v souladu s normami pro v\u00fdstavbu vrt\u016f. Mnoho st\u00e1t\u016f a okres\u016f vy\u017eaduje 2palcov\u00e9 prstencov\u00e9 t\u011bsn\u011bn\u00ed mezi pl\u00e1\u0161t\u011bm vrtu a st\u011bnou vrtu. Toho lze u vrt\u016f CMT snadno dos\u00e1hnout. Vzhledem k relativn\u011b mal\u00e9mu pr\u016fm\u011bru syst\u00e9mu (1,6 palce) je po\u017eadavek na 2palcov\u00e9 t\u011bsn\u011bn\u00ed spln\u011bn instalac\u00ed syst\u00e9mu do vrtu o pr\u016fm\u011bru 5,6 palce nebo v\u011bt\u0161\u00edm. N\u00edzkoprofilov\u00e9 centraliz\u00e1tory zaji\u0161\u0165uj\u00ed, \u017ee vrty CMT jsou ve vrtu vycentrov\u00e1ny a \u017ee t\u011bsnic\u00ed materi\u00e1l rovnom\u011brn\u011b vypl\u0148uje prostor kolem trubek CMT.    <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_1&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jsou vrty CMT akceptov\u00e1ny regula\u010dn\u00edmi org\u00e1ny? Jak p\u0159esv\u011bd\u010dit regula\u010dn\u00ed org\u00e1n, \u017ee syst\u00e9m poskytuje spolehliv\u00e1 data? &#8220; dsm_content=&#8220;<\/p>\n<p><span>Podle toho, co jsme sly\u0161eli, rozhodn\u011b ANO! Syst\u00e9m je v\u0161ak pro mnoho lid\u00ed, v\u010detn\u011b mnoha st\u00e1tn\u00edch a m\u00edstn\u00edch regula\u010dn\u00edch org\u00e1n\u016f, st\u00e1le nov\u00fd. Jakmile se v\u0161ak se syst\u00e9mem sezn\u00e1m\u00ed, v\u011bt\u0161ina regula\u010dn\u00edch org\u00e1n\u016f pou\u017e\u00edv\u00e1n\u00ed vrt\u016f CMT bezv\u00fdhradn\u011b podporuje. T\u011b\u0161\u00ed se na lep\u0161\u00ed definici zplodin, kterou jim v\u00edce\u00farov\u0148ov\u00e9 monitorov\u00e1n\u00ed poskytuje, zejm\u00e9na ve srovn\u00e1n\u00ed se slo\u017een\u00fdmi vzorky z dlouho prov\u011b\u0159ovan\u00fdch monitorovac\u00edch vrt\u016f, s nimi\u017e se museli spokojit v minulosti. Spole\u010dnou obavou, kterou vyjad\u0159uje regula\u010dn\u00ed komunita, je neporu\u0161enost t\u011bsnic\u00edch krou\u017ek\u016f vrtu, kter\u00e9 br\u00e1n\u00ed vertik\u00e1ln\u00edmu pohybu podzemn\u00ed vody mezi r\u016fzn\u00fdmi z\u00f3nami. To je jedna z kl\u00ed\u010dov\u00fdch v\u00fdhod syst\u00e9mu CMT. Na rozd\u00edl od vno\u0159en\u00fdch vrt\u016f, kde je v jednom vrtu um\u00edst\u011bno n\u011bkolik pa\u017enic, je v p\u0159\u00edpad\u011b syst\u00e9mu CMT ve vrtu pouze jedna pa\u017enice &#8211; p\u0159esn\u011bji \u0159e\u010deno jedna trubka. To zjednodu\u0161uje instalaci a zvy\u0161uje spolehlivost prstencov\u00e9ho t\u011bsn\u011bn\u00ed instalovan\u00e9ho mezi jednotliv\u00fdmi sledovan\u00fdmi z\u00f3nami. Dal\u0161\u00ed obavou, kterou vyjad\u0159uj\u00ed n\u011bkter\u00e9 regula\u010dn\u00ed org\u00e1ny, je kvalita vzork\u016f podzemn\u00ed vody odebran\u00fdch z vrt\u016f CMT. Doned\u00e1vna byl jedin\u00fd zp\u016fsob, jak odeb\u00edrat vzorky z vrt\u016f CMT, pomoc\u00ed peristaltick\u00e9ho \u010derpadla nebo miniaturn\u00edho setrva\u010dn\u00edkov\u00e9ho \u010derpadla. Nyn\u00ed m\u00e1 spole\u010dnost Solinst k dispozici dvouventilov\u00e9 \u010derpadlo Micro a integrita vzork\u016f ji\u017e nen\u00ed probl\u00e9mem. N\u011bkolik vl\u00e1dn\u00edch a univerzitn\u00edch studi\u00ed ukazuje, \u017ee pneumatick\u00e1 \u010derpadla, jako je \u010derpadlo Micro Double Valve, poskytuj\u00ed velmi kvalitn\u00ed vzorky podzemn\u00ed vody. Nejlep\u0161\u00edm zp\u016fsobem, jak informovat regul\u00e1tora o v\u00fdhod\u00e1ch v\u00edce\u00farov\u0148ov\u00e9ho monitorov\u00e1n\u00ed pomoc\u00ed syst\u00e9mu CMT, je nasm\u011brovat ho na ned\u00e1vno publikovan\u00fd \u010dl\u00e1nek o syst\u00e9mu CMT, jeho\u017e autory jsou jeho vyn\u00e1lezci Murray Einarson a John Cherry. Tento \u010dl\u00e1nek (Einarson a Cherry, GWMR podzim 2002) si m\u016f\u017eete st\u00e1hnout z na\u0161ich webov\u00fdch str\u00e1nek.             <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_1&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00e9 dokumenty nebo pokyny popisuj\u00edc\u00ed syst\u00e9m CMT byly zve\u0159ejn\u011bny?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Bylo publikov\u00e1no n\u011bkolik prac\u00ed popisuj\u00edc\u00edch v\u00edce\u00farov\u0148ov\u00fd monitorovac\u00ed syst\u00e9m CMT a st\u00e1le p\u0159ib\u00fdvaj\u00ed dal\u0161\u00ed. Nej\u00fapln\u011bj\u0161\u00ed popis syst\u00e9mu CMT je obsa\u017een v technick\u00e9m \u010dl\u00e1nku publikovan\u00e9m na podzim 2002 v \u010dasopise Ground Water Monitoring and Remediation (Einarson a Cherry, 2002). V\u0161imn\u011bte si v\u0161ak, \u017ee od naps\u00e1n\u00ed tohoto \u010dl\u00e1nku do\u0161lo k n\u011bkolika vylep\u0161en\u00edm syst\u00e9mu. Syst\u00e9m CMT je tak\u00e9 pops\u00e1n v pokynech Americk\u00e9ho ropn\u00e9ho institutu z roku 2000 s n\u00e1zvem %22Strategie pro charakterizaci lokalit s \u00faniky MTBE a jin\u00fdch kysl\u00edkat\u00fdch l\u00e1tek%22. Tyto a dal\u0161\u00ed dokumenty si m\u016f\u017eete st\u00e1hnout v sekci Dokumenty na na\u0161ich webov\u00fdch str\u00e1nk\u00e1ch.<\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_1&#8243;][\/dsm_faq_child][\/dsm_faq][et_pb_text admin_label=&#8220;drilling&#8220; module_id=&#8220;drilling&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;]<\/p>\n<h2><strong>Vrt\u00e1n\u00ed a instalace<\/strong><\/h2>\n<p>[\/et_pb_text][dsm_faq dsm_make_accordion_toggle=&#8220;on&#8220; dsm_animate_icon=&#8220;on&#8220; admin_label=&#8220;drilling faq&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;77be2b9f-999b-455f-afb8-d94da1ded8dc&#8220; hover_enabled=&#8220;0&#8243; global_colors_info=&#8220;{}&#8220; sticky_enabled=&#8220;0&#8243;][dsm_faq_child dsm_title=&#8220;Jak\u00e1 je maxim\u00e1ln\u00ed hloubka, do kter\u00e9 lze vrty CMT instalovat?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Vrty CMT byly instalov\u00e1ny do maxim\u00e1ln\u00ed hloubky 260 stop. D\u00e9lky z\u00e1sobn\u00edch c\u00edvek jsou 100 stop, 200 stop a 300 stop. Na zvl\u00e1\u0161tn\u00ed objedn\u00e1vku jsou k dispozici c\u00edvky o d\u00e9lce 400 stop.  <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Lze segmenty trubek CMT spojit dohromady?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Ne. Syst\u00e9m je navr\u017een tak, aby se instaloval v jedn\u00e9 souvisl\u00e9 d\u00e9lce, \u010d\u00edm\u017e se eliminuje mo\u017enost net\u011bsnosti ve spoj\u00edch. <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Co kdy\u017e nechci sledovat sedm z\u00f3n? Mus\u00edm pou\u017e\u00edvat v\u0161echny kan\u00e1ly? &#8220; dsm_content=&#8220;<\/p>\n<p><span>Ne. M\u016f\u017eete jich pou\u017e\u00edt libovoln\u00fd po\u010det nebo jen n\u011bkolik. Nepou\u017e\u00edvan\u00e9 kan\u00e1ly nemaj\u00ed vliv na zbytek syst\u00e9mu CMT. N\u011bkte\u0159\u00ed lid\u00e9 pou\u017e\u00edvaj\u00ed ke sledov\u00e1n\u00ed jedn\u00e9 z\u00f3ny dva kan\u00e1ly. Jeden z kan\u00e1l\u016f v\u011bnuj\u00ed \u010derpadlu Micro s dvojit\u00fdm ventilem a druh\u00fd kan\u00e1l pou\u017e\u00edvaj\u00ed pro m\u011b\u0159en\u00ed hladiny vody. Pokud v\u0161ak pou\u017eijete dva kan\u00e1ly k monitorov\u00e1n\u00ed jedn\u00e9 z\u00f3ny, sn\u00ed\u017e\u00edte po\u010det diskr\u00e9tn\u00edch z\u00f3n, kter\u00e9 m\u016f\u017eete monitorovat, o 50 %.     <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00e9 dokumenty nebo pokyny popisuj\u00edc\u00ed syst\u00e9m CMT byly zve\u0159ejn\u011bny?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Bylo publikov\u00e1no n\u011bkolik prac\u00ed popisuj\u00edc\u00edch v\u00edce\u00farov\u0148ov\u00fd monitorovac\u00ed syst\u00e9m CMT a st\u00e1le p\u0159ib\u00fdvaj\u00ed dal\u0161\u00ed. Nej\u00fapln\u011bj\u0161\u00ed popis syst\u00e9mu CMT je obsa\u017een v technick\u00e9m \u010dl\u00e1nku publikovan\u00e9m na podzim 2002 v \u010dasopise Ground Water Monitoring and Remediation (Einarson a Cherry, 2002). V\u0161imn\u011bte si v\u0161ak, \u017ee od naps\u00e1n\u00ed tohoto \u010dl\u00e1nku do\u0161lo k n\u011bkolika vylep\u0161en\u00edm syst\u00e9mu. Syst\u00e9m CMT je tak\u00e9 pops\u00e1n v pokynech Americk\u00e9ho ropn\u00e9ho institutu z roku 2000 nazvan\u00fdch %22Strategie pro charakterizaci lokalit s \u00faniky MTBE a jin\u00fdch palivov\u00fdch oxygen\u00e1t\u016f%22.     <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Existuje minim\u00e1ln\u00ed pr\u016fm\u011br vrtu, kter\u00fd by m\u011bl b\u00fdt pou\u017eit pro vrty CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>U instalac\u00ed, kde se p\u00edsek a bentonitov\u00e9 pelety sypou do mezikru\u017e\u00ed vrtu z povrchu zem\u011b, doporu\u010dujeme pou\u017e\u00edt centraliz\u00e9ry CMT a pr\u016fm\u011br vrtu alespo\u0148 5 palc\u016f. To d\u00e1v\u00e1 instalat\u00e9rovi vrtu dostatek prostoru, aby se vyhnul p\u0159emost\u011bn\u00ed p\u00edsku a bentonitu, a umo\u017e\u0148uje snadn\u00fd p\u0159\u00edstup pro Solinst Tag Line. Na zvl\u00e1\u0161tn\u00ed objedn\u00e1vku jsou k dispozici dvoj\u010dinn\u00e9 nafukovac\u00ed ucp\u00e1vky Solinst pro ut\u011bsn\u011bn\u00ed 3%22, 3,7%22 a 4%22 vrt\u016f. Sedmikan\u00e1lov\u00e9 vrty CMT lze instalovat skrz pl\u00e1\u0161\u0165 s p\u0159\u00edm\u00fdm tlakem o vnit\u0159n\u00edm pr\u016fm\u011bru (ID) 2 palce nebo v\u011bt\u0161\u00edm. Tyto instalace se spol\u00e9haj\u00ed na to, \u017ee se formace kolem trubek CMT zhrout\u00ed.    <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00e9 druhy vrt\u016f lze pou\u017e\u00edt pro instalaci vrt\u016f CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Vrty CMT byly instalov\u00e1ny do vrt\u016f vytvo\u0159en\u00fdch t\u00e9m\u011b\u0159 v\u0161emi typy vrtn\u00fdch za\u0159\u00edzen\u00ed. P\u0159ehled vrtn\u00fdch metod a technik pro instalaci vrt\u016f CMT v nekonsolidovan\u00fdch vodonosn\u00fdch vrstv\u00e1ch naleznete na webov\u00fdch str\u00e1nk\u00e1ch Solinst v sekci Dokumenty a informace. <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak najdu dodavatele vrt\u016f, kter\u00fd m\u00e1 zku\u0161enosti s instalac\u00ed vrt\u016f CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Seznam dodavatel\u016f vrt\u016f, kte\u0159\u00ed maj\u00ed zku\u0161enosti s instalac\u00ed vrt\u016f CMT, je uveden na na\u0161ich webov\u00fdch str\u00e1nk\u00e1ch. Pokud m\u00e1te dodavatele, se kter\u00fdm byste cht\u011bli spolupracovat, ale kter\u00fd je\u0161t\u011b neinstaloval vrt CMT, po\u017e\u00e1dejte ho, aby kontaktoval spole\u010dnost Solinst a vysv\u011btlil v\u00e1m r\u016fzn\u00e9 mo\u017enosti instalace vrt\u016f CMT s r\u016fzn\u00fdmi typy vrtn\u00e9ho za\u0159\u00edzen\u00ed. R\u00e1di v\u00e1m a\/nebo va\u0161emu dodavateli pom\u016f\u017eeme, abyste m\u011bli jistotu, \u017ee va\u0161e vrty CMT budou \u00fasp\u011b\u0161n\u011b nainstalov\u00e1ny. Telefonick\u00e1 podpora je k dispozici bezplatn\u011b. \u0160kolen\u00ed na m\u00edst\u011b pro v\u00e1s a\/nebo va\u0161eho dodavatele je k dispozici za mal\u00fd p\u0159\u00edplatek, kter\u00fd je nutn\u00fd k pokryt\u00ed na\u0161ich \u010dasov\u00fdch a cestovn\u00edch n\u00e1klad\u016f.    <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Vid\u011bl jsem obr\u00e1zky syst\u00e9mu CMT instalovan\u00e9ho s bentonitov\u00fdmi p\u011bchovadly. Jsou k dispozici u spole\u010dnosti Solinst? &#8220; dsm_content=&#8220;<\/p>\n<p><span>B\u011bhem po\u010d\u00e1te\u010dn\u00edho v\u00fdvoje a testov\u00e1n\u00ed syst\u00e9mu CMT byly pou\u017eity prototypy bentonitov\u00fdch p\u011bch\u016f. Tato bentonitov\u00e1 t\u011bsn\u011bn\u00ed, kter\u00e1 jsou pops\u00e1na v \u010dl\u00e1nku Einarsona a Cherryho z roku 2002, se uk\u00e1zala jako p\u0159\u00edli\u0161 obt\u00ed\u017en\u00e1 a \u010dasov\u011b n\u00e1ro\u010dn\u00e1 na konstrukci v ter\u00e9nu. Proto doporu\u010dujeme, aby se v\u0161echny prstencov\u00e9 materi\u00e1ly, v\u010detn\u011b p\u00edskov\u00e9ho obalu a bentonitov\u00fdch t\u011bsn\u011bn\u00ed, sypaly z povrchu ve spojen\u00ed s centraliz\u00e1tory syst\u00e9mu CMT.  <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Sly\u0161el jsem, \u017ee existuj\u00ed nafukovac\u00ed p\u011bchova\u010de, kter\u00e9 umo\u017e\u0148uj\u00ed do\u010dasnou nebo trvalou instalaci do horninov\u00fdch vodonosn\u00fdch vrstev. Jak funguj\u00ed? &#8220; dsm_content=&#8220;<\/p>\n<p><span>Vyvinuli jsme dvoj\u010dinn\u00e9 nafukovac\u00ed ucp\u00e1vky, kter\u00e9 se pou\u017e\u00edvaj\u00ed k ut\u011bsn\u011bn\u00ed prstencov\u00e9ho prostoru mezi trubkou CMT a st\u011bnou vrtu v horninov\u00e9m podlo\u017e\u00ed. Jsou %22dvoj\u010dinn\u00e9%22 v tom smyslu, \u017ee se vnit\u0159n\u00ed \u010d\u00e1st p\u011bch\u016f rozp\u00edn\u00e1 spole\u010dn\u011b s vn\u011bj\u0161\u00ed \u010d\u00e1st\u00ed p\u011bch\u016f. P\u016fsoben\u00edm mal\u00e9ho podtlaku na p\u011bchova\u010de se vnit\u0159n\u00ed v\u00fdvodka m\u00edrn\u011b rozt\u00e1hne. Pak se p\u011bchova\u010de snadno nasunou na trubky CMT a lze je um\u00edstit tam, kde je to pot\u0159eba. Po uvoln\u011bn\u00ed podtlaku se vnit\u0159n\u00ed v\u00fdvodka st\u00e1hne a zajist\u00ed packery na trubce CMT. K p\u011bchovadl\u016fm jsou p\u0159ipevn\u011bny svorky, kter\u00e9 zaji\u0161\u0165uj\u00ed, \u017ee se p\u0159i zasouv\u00e1n\u00ed vrtu do trubky nepohnou. Ke ka\u017ed\u00e9mu z packer\u016f se p\u0159ipojuje nafukovac\u00ed trubice, kter\u00e1 sah\u00e1 a\u017e k povrchu zem\u011b. Po \u00fapln\u00e9m zasunut\u00ed vrtu CMT se packery nafouknou vzduchem, dus\u00edkem nebo vodou. Nafouknut\u00ed t\u011bsnic\u00edch krou\u017ek\u016f ut\u011bsn\u00ed jak mezikru\u017e\u00ed vrtu, tak prostor mezi trubkou CMT a t\u011bsnic\u00edmi krou\u017eky. V\u00fdhodou tohoto syst\u00e9mu je, \u017ee kdy\u017e u\u017e nen\u00ed monitorov\u00e1n\u00ed pot\u0159eba, lze packery vypustit a syst\u00e9m odstranit.         <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Mohu instalovat studny CMT se za\u0159\u00edzen\u00edm Direct-Push?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Ano. Mnoho dodavatel\u016f DP instaluje sedmikan\u00e1lov\u00e9 vrty CMT. Vrty jsou obvykle instalov\u00e1ny uvnit\u0159 sondov\u00fdch ty\u010d\u00ed vybaven\u00fdch jednor\u00e1zov\u00fdmi hnac\u00edmi body. Jakmile jsou sond\u00e1\u017en\u00ed ty\u010de vysunuty do po\u017eadovan\u00e9 hloubky, vlo\u017e\u00ed se trubky CMT. Pot\u00e9 se sond\u00e1\u017en\u00ed ty\u010de zasunou a vrt CMT z\u016fstane v zemi. V\u011bt\u0161ina t\u011bchto instalac\u00ed byla provedena v p\u00eds\u010dit\u00fdch formac\u00edch, kde se p\u016fda p\u0159i zata\u017een\u00ed sond zaval\u00ed kolem trubek CMT. Instalace ve formac\u00edch, kter\u00e9 se nezhrout\u00ed, jsou obt\u00ed\u017en\u011bj\u0161\u00ed, zejm\u00e9na p\u0159i pou\u017eit\u00ed sond o mal\u00e9m pr\u016fm\u011bru. Mal\u00fd vnit\u0159n\u00ed pr\u016fm\u011br sond\u00e1\u017en\u00edch ty\u010d\u00ed ponech\u00e1v\u00e1 m\u00e1lo prostoru pro nasyp\u00e1n\u00ed prstencov\u00fdch materi\u00e1l\u016f (tj. p\u00edsku a bentonitov\u00fdch granul\u00ed) z povrchu p\u016fdy.       <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00fd je nejlep\u0161\u00ed zp\u016fsob instalace p\u00edskov\u00fdch bal\u00ed\u010dk\u016f a t\u011bsnic\u00edch krou\u017ek\u016f mezi r\u016fzn\u00fdmi sledovan\u00fdmi z\u00f3nami?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Nejlep\u0161\u00ed zp\u016fsob instalace p\u00edskov\u00e9ho t\u011bsn\u011bn\u00ed a t\u011bsnic\u00edch krou\u017ek\u016f je jejich vl\u00e9v\u00e1n\u00ed do mezikru\u017e\u00ed vrtu z povrchu nebo pomoc\u00ed tremola. P\u0159i instalaci 7kan\u00e1lov\u00fdch vrt\u016f CMT t\u00edmto zp\u016fsobem doporu\u010dujeme, aby pr\u016fm\u011br vrtu nebyl men\u0161\u00ed ne\u017e 5 palc\u016f. Vrt o pr\u016fm\u011bru 5 palc\u016f nebo v\u011bt\u0161\u00edm poskytuje dostatek prostoru pro p\u00edsek a bentonitov\u00e9 pelety, kter\u00e9 mohou spadnout na dno vrtu bez p\u0159emost\u011bn\u00ed. Nezapome\u0148te tak\u00e9 pou\u017e\u00edt n\u00edzkoprofilov\u00e9 centraliz\u00e9ry Solinst, abyste udr\u017eeli trubky CMT ve st\u0159edu vrtu. Tyto centraliz\u00e9ry byly navr\u017eeny tak, aby minimalizovaly pravd\u011bpodobnost p\u0159emost\u011bn\u00ed prstencov\u00e9ho materi\u00e1lu p\u0159i budov\u00e1n\u00ed vrtu. Rovn\u011b\u017e m\u016f\u017eete pou\u017e\u00edt kotevn\u00ed desku, aby se CMT ve vrtu nezvedala, zejm\u00e9na kdy\u017e je hnac\u00ed pl\u00e1\u0161\u0165 (pokud je pou\u017eit) postupn\u011b vytahov\u00e1n z vrtu. Kotvic\u00ed deska se p\u0159i\u0161roubuje p\u0159\u00edmo k portu vodic\u00edho bodu. Po zasunut\u00ed vrtu CMT na dno vrtu um\u00edst\u011bte p\u0159es nejhlub\u0161\u00ed monitorovac\u00ed z\u00f3nu p\u00edskov\u00fd obal tak, \u017ee do mezikru\u017e\u00ed nasypete p\u00edsek, dokud nedos\u00e1hne \u00farovn\u011b uveden\u00e9 v konstruk\u010dn\u00edm sch\u00e9matu vrtu. B\u011bhem syp\u00e1n\u00ed p\u00edsku nezapome\u0148te \u010dasto m\u011b\u0159it hloubku p\u00edskov\u00e9ho obalu pomoc\u00ed zna\u010dkovac\u00ed \u0161\u0148\u016fry Solinst model 103. T\u00edm zajist\u00edte, abyste p\u00edskov\u00fd obal nedostali ve vrtu p\u0159\u00edli\u0161 vysoko. Jakmile je p\u00edskov\u00fd obal nad spodn\u00edm monitorovac\u00edm otvorem, nasypte bentonitov\u00e9 pelety, abyste vytvo\u0159ili t\u011bsn\u011bn\u00ed mezi spodn\u00ed a nadlo\u017en\u00ed monitorovac\u00ed z\u00f3nou. Zhotovitel\u00e9 hl\u00e1s\u00ed dobr\u00e9 \u00fasp\u011bchy p\u0159i pou\u017eit\u00ed obalen\u00fdch bentonitov\u00fdch pelet pro prstencov\u00e9 t\u011bsn\u011bn\u00ed. Pelety sypte pomalu a \u010dasto m\u011b\u0159te hloubku t\u011bsn\u011bn\u00ed pomoc\u00ed zna\u010dkovac\u00ed \u0161\u0148\u016fry, abyste nep\u0159id\u00e1vali p\u0159\u00edli\u0161 mnoho bentonitu. Pokra\u010dujte v p\u0159id\u00e1v\u00e1n\u00ed st\u0159\u00eddav\u00fdch vrstev p\u00edskov\u00e9ho obalu a bentonitov\u00e9ho t\u011bsn\u011bn\u00ed, jak je pops\u00e1no v\u00fd\u0161e, a\u017e do \u00farovn\u00ed uveden\u00fdch v konstruk\u010dn\u00edm sch\u00e9matu va\u0161eho vrtu. Dal\u0161\u00ed informace o konstrukci vrt\u016f CMT jsou uvedeny v na\u0161\u00ed instala\u010dn\u00ed p\u0159\u00edru\u010dce CMT Model 403 (k dispozici na na\u0161ich str\u00e1nk\u00e1ch).              <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Na sv\u00e9m pracovi\u0161ti nem\u00e1m m\u00edsto, kde bych mohl rozlo\u017eit trubky, abych mohl ozna\u010dit a nainstalovat sac\u00ed otvory a s\u00edta studny. Jak\u00e9 m\u00e1m dal\u0161\u00ed mo\u017enosti? &#8220; dsm_content=&#8220;<\/p>\n<p><span>U dlouh\u00fdch trubek, nap\u0159. del\u0161\u00edch ne\u017e 100 stop, je \u010dasto nepraktick\u00e9 polo\u017eit trubky na zem na pracovi\u0161ti, aby bylo mo\u017en\u00e9 ozna\u010dit a instalovat r\u016fzn\u00e9 sac\u00ed otvory a s\u00edta. Doporu\u010dujeme vyzna\u010dit um\u00edst\u011bn\u00ed port\u016f na trubce p\u0159edem a p\u0159iv\u00e9zt svinutou trubku CMT na pracovi\u0161t\u011b. P\u0159i spou\u0161t\u011bn\u00ed trubek CMT do vrtu pak m\u016f\u017eete nainstalovat porty a s\u00edta na spr\u00e1vn\u00e1 m\u00edsta. Alternativn\u011b lze syst\u00e9m CMT postavit kdekoli, kde je k dispozici prostor, a pot\u00e9 jej navinout a dopravit na staveni\u0161t\u011b.   <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak vy\u0159adit vrty CMT z provozu?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Studny CMT lze injektovat tlakovou injekt\u00e1\u017e\u00ed s pou\u017eit\u00edm bentonitov\u00e9 nebo cementov\u00e9 suspenze. Vst\u0159ikovan\u00e1 kapalina vypln\u00ed ka\u017ed\u00fd kan\u00e1l CMT a p\u00edskov\u00fd obal p\u0159il\u00e9haj\u00edc\u00ed ke ka\u017ed\u00e9mu sac\u00edmu otvoru. V p\u0159\u00edpad\u011b pot\u0159eby lze vrty CMT tak\u00e9 p\u0159evrtat.  <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_2&#8243;][\/dsm_faq_child][\/dsm_faq][et_pb_text admin_label=&#8220;developing&#8220; module_id=&#8220;developing&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;]<\/p>\n<h2><strong>V\u00fdvoj, odb\u011br vzork\u016f, monitorov\u00e1n\u00ed<\/strong><\/h2>\n<p>[\/et_pb_text][dsm_faq dsm_make_accordion_toggle=&#8220;on&#8220; dsm_animate_icon=&#8220;on&#8220; admin_label=&#8220;developing faq&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;77be2b9f-999b-455f-afb8-d94da1ded8dc&#8220; hover_enabled=&#8220;0&#8243; global_colors_info=&#8220;{}&#8220; sticky_enabled=&#8220;0&#8243;][dsm_faq_child dsm_title=&#8220;Jak\u00fd je objem proplachov\u00e1n\u00ed r\u016fzn\u00fdch kan\u00e1l\u016f CMT na jeden metr trubky?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Do 6 vn\u011bj\u0161\u00edch kan\u00e1lk\u016f ve tvaru kol\u00e1\u010de v hadi\u010dce CMT se vejde p\u0159ibli\u017en\u011b 40 ml tekutiny na line\u00e1rn\u00ed stopu hadi\u010dky. St\u0159edn\u00ed kan\u00e1l pojme p\u0159ibli\u017en\u011b 30 ml na line\u00e1rn\u00ed stopu. <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_3&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Co kdy\u017e nechci sledovat sedm z\u00f3n? Mus\u00edm pou\u017e\u00edvat v\u0161echny kan\u00e1ly? &#8220; dsm_content=&#8220;<\/p>\n<p><span>Ne. M\u016f\u017eete jich pou\u017e\u00edt libovoln\u00fd po\u010det nebo jen n\u011bkolik. Nepou\u017e\u00edvan\u00e9 kan\u00e1ly nemaj\u00ed vliv na zbytek syst\u00e9mu CMT. N\u011bkte\u0159\u00ed lid\u00e9 pou\u017e\u00edvaj\u00ed ke sledov\u00e1n\u00ed jedn\u00e9 z\u00f3ny dva kan\u00e1ly. Jeden z kan\u00e1l\u016f v\u011bnuj\u00ed \u010derpadlu Micro s dvojit\u00fdm ventilem a druh\u00fd kan\u00e1l pou\u017e\u00edvaj\u00ed pro m\u011b\u0159en\u00ed hladiny vody. Pokud v\u0161ak pou\u017eijete dva kan\u00e1ly k monitorov\u00e1n\u00ed jedn\u00e9 z\u00f3ny, sn\u00ed\u017e\u00edte po\u010det diskr\u00e9tn\u00edch z\u00f3n, kter\u00e9 m\u016f\u017eete monitorovat, o 50 %.     <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_3&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak zm\u011b\u0159\u00edm hladinu vody ve vrtech CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Hladinu vody lze m\u011b\u0159it pomoc\u00ed hladinom\u011br\u016f Solinst Model 101 nebo Model 102 s mal\u00fdm pr\u016fm\u011brem. Pokud je po\u017eadov\u00e1no nep\u0159etr\u017eit\u00e9 zaznamen\u00e1v\u00e1n\u00ed vodn\u00ed hladiny, m\u016f\u017eete instalovat sn\u00edma\u010de Solinst Model PDCR 35\/D Druck. Sn\u00edma\u010de lze p\u0159ipojit k dataloggeru v hlav\u011b vrtu nebo k telemetrick\u00e9 jednotce pro d\u00e1lkov\u00e9 ode\u010d\u00edt\u00e1n\u00ed z centr\u00e1ln\u00edho centra sb\u011bru dat. Tyto sn\u00edma\u010de se vejdou pouze do vn\u011bj\u0161\u00edch kan\u00e1l\u016f, nikoli do u\u017e\u0161\u00edho st\u0159edov\u00e9ho kan\u00e1lu.   <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_3&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak\u00e9 jsou nejlep\u0161\u00ed zp\u016fsoby \u010di\u0161t\u011bn\u00ed a vzorkov\u00e1n\u00ed jamek CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Pro proplachov\u00e1n\u00ed a odb\u011br vzork\u016f v aplikac\u00edch s \u00fazk\u00fdm pr\u016fm\u011brem m\u00e1te v podstat\u011b 3 mo\u017enosti. Peristaltick\u00e9 \u010derpadlo model 410 lze pou\u017e\u00edt tam, kde je sac\u00ed v\u00fd\u0161ka men\u0161\u00ed ne\u017e 7,5 m (25 stop). Lze tak\u00e9 pou\u017e\u00edt miniaturn\u00ed setrva\u010dn\u00e9 \u010derpadlo (MIP) spole\u010dnosti Solinst. MIP pou\u017e\u00edv\u00e1 stoupac\u00ed potrub\u00ed o pr\u016fm\u011bru 1\/4%22 (6 mm) vybaven\u00e9 no\u017en\u00edm ventilem %22push-in%22. Opakovan\u00e9 zdvihy nahoru a dol\u016f vynesou vzorek na povrch z hloubky a\u017e 46 m (150 stop). Pro\u010di\u0161\u0165ov\u00e1n\u00ed a odb\u011br vzork\u016f lze prov\u00e1d\u011bt tak\u00e9 pomoc\u00ed \u010derpadla s dvojit\u00fdm ventilem Micro 408M, kter\u00e9 je ide\u00e1ln\u00ed pro odb\u011br vzork\u016f s n\u00edzk\u00fdm pr\u016ftokem. \u010cerpadlo 408M je vyrobeno z pru\u017en\u00e9 koaxi\u00e1ln\u00ed trubice o pr\u016fm\u011bru 3\/8%22 (10 mm), kter\u00e1 je k dispozici v proveden\u00ed LDPE pro pou\u017eit\u00ed do hloubky 15 m (50 ft) nebo teflonov\u00e9m pro pou\u017eit\u00ed do hloubky 46 m (150 ft). 408M pou\u017e\u00edv\u00e1 hnac\u00ed plyn, kter\u00fd je dod\u00e1v\u00e1n prost\u0159ednictv\u00edm \u0159\u00eddic\u00ed jednotky.    <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_3&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Existuj\u00ed n\u011bjak\u00e9 chemick\u00e9 vlivy zkreslen\u00ed spojen\u00e9 s polyethylenov\u00fdmi trubkami nebo jin\u00fdmi \u010d\u00e1stmi syst\u00e9mu CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Se v\u0161emi typy monitorovac\u00edch vrt\u016f a vzorkovac\u00edch \u010derpadel jsou spojeny chemick\u00e9 odchylky. Potenci\u00e1ln\u00ed chemick\u00e9 zkreslen\u00ed spojen\u00e9 se syst\u00e9mem CMT se t\u00fdk\u00e1 (1) pou\u017eit\u00ed polyethylenov\u00fdch trubek a (2) vzorkovac\u00edch za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00fdch k odb\u011bru vzork\u016f vody. Hydrofobn\u00ed organick\u00e9 kontaminanty se mohou sorbovat na polyethylenov\u00e9 trubice, co\u017e m\u016f\u017ee zp\u016fsobit negativn\u00ed zkreslen\u00ed odb\u011bru vzork\u016f. V n\u011bkter\u00fdch situac\u00edch mohou tyt\u00e9\u017e slou\u010deniny difundovat p\u0159es polyethylen, a to bu\u010f z vn\u011bj\u0161ku vrtu, nebo ze sousedn\u00edch kan\u00e1l\u016f, co\u017e m\u016f\u017ee v n\u011bkter\u00fdch kan\u00e1lech zp\u016fsobit pozitivn\u00ed zkreslen\u00ed odb\u011bru vzork\u016f. Potenci\u00e1ln\u00ed zkreslen\u00ed u hydrofiln\u00edch kontaminant\u016f, nap\u0159. MTBE nebo v\u011bt\u0161iny anorganick\u00fdch slou\u010denin, je minim\u00e1ln\u00ed. D\u016fkladn\u00e1 diskuse o t\u011bchto potenci\u00e1ln\u00edch zkreslen\u00edch odb\u011bru vzork\u016f je uvedena v \u010dl\u00e1nku Einarsona a Cherryho popisuj\u00edc\u00edm syst\u00e9m CMT, kter\u00fd byl zve\u0159ejn\u011bn v podzimn\u00edm \u010d\u00edsle \u010dasopisu Groundwater Monitoring and Remediation z roku 2002.       <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_3&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jsou vzorky podzemn\u00ed vody odebran\u00e9 z vrt\u016f CMT stejn\u011b kvalitn\u00ed jako vzorky odebran\u00e9 z 2palcov\u00fdch nebo 4palcov\u00fdch konven\u010dn\u00edch monitorovac\u00edch vrt\u016f?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Vzorky podzemn\u00ed vody z vrt\u016f CMT jsou nejen stejn\u011b dobr\u00e9 jako vzorky odebran\u00e9 z tradi\u010dn\u00edch monitorovac\u00edch vrt\u016f, ale obvykle jsou lep\u0161\u00ed! Nejd\u016fle\u017eit\u011bj\u0161\u00ed je, \u017ee vzorky z vrt\u016f CMT jsou diskr\u00e9tn\u00ed vzorky z vodonosn\u00e9 vrstvy, nikoliv slo\u017een\u00e9 vzorky typick\u00e9 pro dlouho prov\u011b\u0159ovan\u00e9 konven\u010dn\u00ed monitorovac\u00ed vrty. Pokud je tedy koncentrace kontaminantu ve vzorku odebran\u00e9m z ur\u010dit\u00e9ho kan\u00e1lu CMT n\u00edzk\u00e1, m\u016f\u017eete si b\u00fdt jisti, \u017ee koncentrace ve vodonosn\u00e9 vrstv\u011b v dan\u00e9 hloubce je skute\u010dn\u011b n\u00edzk\u00e1, a nikoli n\u00edzk\u00e1 z d\u016fvodu \u0159ed\u011bn\u00ed, jak tomu m\u016f\u017ee b\u00fdt v p\u0159\u00edpad\u011b konven\u010dn\u00edho monitorovac\u00edho vrtu. Dal\u0161\u00ed diskuse o zkreslen\u00edch p\u0159i odb\u011bru vzork\u016f spojen\u00fdch s konven\u010dn\u00edmi monitorovac\u00edmi vrty a o technick\u00fdch v\u00fdhod\u00e1ch v\u00edce\u00farov\u0148ov\u00e9ho monitorov\u00e1n\u00ed podzemn\u00edch vod je uvedena v na\u0161\u00ed sekci Dokumenty. Krom\u011b toho jsou vzorky vody odebran\u00e9 z vrt\u016f CMT \u010dasto m\u00e9n\u011b zakalen\u00e9 ne\u017e vzorky odebran\u00e9 z b\u011b\u017en\u00fdch monitorovac\u00edch vrt\u016f. Velikost \u0161t\u011brbiny a p\u00edskov\u00e9ho obalu konven\u010dn\u00edho monitorovac\u00edho vrtu je \u010dasto kompromisem vzhledem k \u0161irok\u00e9mu rozsahu velikosti zrn p\u0159\u00edtomn\u00fdch ve st\u00edn\u011bn\u00e9m intervalu v\u011bt\u0161iny vrt\u016f. S\u00edta vrtu a p\u00edskov\u00fd obal mohou b\u00fdt p\u0159\u00edli\u0161 mal\u00e9 pro hrub\u0161\u00ed frakci, ale p\u0159\u00edli\u0161 velk\u00e9 pro jemnozrnn\u00e9 vrstvy uvnit\u0159 st\u00edn\u011bn\u00e9 z\u00f3ny. To vede k vysok\u00fdm \u00farovn\u00edm z\u00e1kalu ve vzorc\u00edch vody, proto\u017ee jemnozrnn\u00e9 sedimenty nejsou \u00fa\u010dinn\u011b filtrov\u00e1ny s\u00edtem a p\u00edskov\u00fdm obalem vrtu. Naproti tomu vrty CMT obvykle monitoruj\u00ed kr\u00e1tk\u00e9, diskr\u00e9tn\u00ed intervaly ve vodonosn\u00e9 vrstv\u011b. S\u00edtko vrtu a p\u00edskov\u00fd obal v ka\u017ed\u00e9 monitorovan\u00e9 z\u00f3n\u011b mohou b\u00fdt optimalizov\u00e1ny pro zrnitost sediment\u016f v ka\u017ed\u00e9m intervalu. Ka\u017ed\u00e9 vstupn\u00ed hrdlo vrtu CMT m\u016f\u017ee m\u00edt jinou velikost s\u00edta a p\u00edskov\u00e9ho obalu v z\u00e1vislosti na litologii materi\u00e1l\u016f vodonosn\u00e9 vrstvy v ka\u017ed\u00e9 sledovan\u00e9 z\u00f3n\u011b. Tato flexibilita v konstrukci vrtu optimalizuje filtra\u010dn\u00ed vlastnosti vrtu CMT, co\u017e vede k z\u00edsk\u00e1n\u00ed \u010dist\u00fdch vzork\u016f vody bez z\u00e1kalu. Vrty CMT maj\u00ed oproti b\u011b\u017en\u00fdm monitorovac\u00edm vrt\u016fm i dal\u0161\u00ed v\u00fdhody. Zaprv\u00e9, proplachovac\u00ed objem vrt\u016f CMT je velmi mal\u00fd. To znamen\u00e1, \u017ee p\u0159i b\u011b\u017en\u00e9m odb\u011bru vzork\u016f je m\u00e9n\u011b kontaminovan\u00e9 vody, kter\u00e1 vy\u017eaduje \u00fapravu nebo likvidaci. Vezm\u011bme si p\u0159\u00edpad \u010dty\u0159z\u00f3nov\u00e9ho vrtu CMT, kter\u00fd m\u00e1 porty v hloubk\u00e1ch 20, 40, 60 a 80 stop. Za p\u0159edpokladu, \u017ee statick\u00e1 hladina vody je 10 stop pod povrchem zem\u011b, objem vody pot\u0159ebn\u00fd k pro\u010di\u0161t\u011bn\u00ed dvojn\u00e1sobku %22objemu pl\u00e1\u0161t\u011b%22 \u010dty\u0159 kan\u00e1l\u016f by byl asi 13 litr\u016f nebo m\u00e9n\u011b ne\u017e 3,5 galonu! Za druh\u00e9, vrty CMT zji\u0161\u0165uj\u00ed zm\u011bny piezometrick\u00e9ho tlaku p\u0159esn\u011bji ne\u017e tradi\u010dn\u00ed monitorovac\u00ed vrty. Monitorovac\u00ed vrty o pr\u016fm\u011bru dvou nebo \u010dty\u0159 palc\u016f uchov\u00e1vaj\u00ed velk\u00e9 mno\u017estv\u00ed vody ve srovn\u00e1n\u00ed s jednotliv\u00fdmi kan\u00e1ly ve vrtu CMT. Velk\u00e9 mno\u017estv\u00ed vody ulo\u017een\u00e9 v tradi\u010dn\u00edm monitorovac\u00edm vrtu znamen\u00e1, \u017ee vrt bude pomalu reagovat na zm\u011bny piezometrick\u00e9ho tlaku ve vodonosn\u00e9 vrstv\u011b. To plat\u00ed zejm\u00e9na v m\u00e1lo vydatn\u00fdch formac\u00edch, kde m\u016f\u017ee trvat t\u00fddny a dokonce m\u011bs\u00edce, ne\u017e se pl\u00e1\u0161\u0165 vrtu dopln\u00ed na statickou hladinu vody. Naproti tomu vrty CMT reaguj\u00ed a vyrovn\u00e1vaj\u00ed se rychle d\u00edky mal\u00e9mu objemu r\u016fzn\u00fdch kan\u00e1l\u016f.                     <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_3&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Na sv\u00e9m pozemku m\u00e1m tekouc\u00ed art\u00e9zsk\u00e9 podm\u00ednky. M\u00e1te n\u011bjak\u00fd zp\u016fsob, jak ucpat a odebrat vzorky z otvor\u016f na \u00fast\u00ed vrtu? &#8220; dsm_content=&#8220;<\/p>\n<p><span>Ano. K dispozici jsou speci\u00e1ln\u00ed dilata\u010dn\u00ed z\u00e1tky pro ut\u011bsn\u011bn\u00ed r\u016fzn\u00fdch kan\u00e1l\u016f na \u00fast\u00ed vrtu. Z\u00e1tky maj\u00ed voliteln\u00e9 ventily, kter\u00e9 umo\u017e\u0148uj\u00ed odeb\u00edrat vzorky podzemn\u00ed vody pouh\u00fdm otev\u0159en\u00edm ventil\u016f. K z\u00e1tk\u00e1m na \u00fast\u00ed vrtu lze tak\u00e9 p\u0159ipojit manometry, aby bylo mo\u017en\u00e9 m\u011b\u0159it piezometrick\u00e9 tlaky v ka\u017ed\u00e9 sledovan\u00e9 z\u00f3n\u011b.   <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_3&#8243;][\/dsm_faq_child][dsm_faq_child dsm_title=&#8220;Jak se vyv\u00edjej\u00ed jamky CMT?&#8220; dsm_content=&#8220;<\/p>\n<p><span>Dobr\u00fd \u00fasp\u011bch jsme zaznamenali p\u0159i proplachov\u00e1n\u00ed vrt\u016f pomoc\u00ed peristaltick\u00fdch \u010derpadel a miniaturn\u00edch setrva\u010dn\u00edkov\u00fdch \u010derpadel. Studny CMT samoz\u0159ejm\u011b nem\u016f\u017eete rozv\u00edjet tak, jak byste rozv\u00edjeli studny pro z\u00e1sobov\u00e1n\u00ed vodou, ale u monitorovac\u00edch vrt\u016f s mal\u00fdm pr\u016fm\u011brem nen\u00ed takov\u00fd typ d\u016fkladn\u00e9ho rozv\u00edjen\u00ed vy\u017eadov\u00e1n. C\u00edlem v\u00fdvoje vrt\u016f CMT, kter\u00e9ho se obvykle snadno dos\u00e1hne, je vytvo\u0159it hydraulick\u00e9 spojen\u00ed s formac\u00ed. Vrt nebude stoprocentn\u011b \u00fa\u010dinn\u00fd, ale hodnoty hydraulick\u00e9ho tlaku nam\u011b\u0159en\u00e9 ve vrtu budou p\u0159esn\u00e9 a vrt bude poskytovat v\u00edce ne\u017e dostate\u010dn\u00e9 mno\u017estv\u00ed vody pro odb\u011br vzork\u016f (za p\u0159edpokladu, \u017ee formace je p\u0159im\u011b\u0159en\u011b propustn\u00e1). Pokud jste p\u0159i vrt\u00e1n\u00ed vrtu nebo konstrukci studny p\u0159idali vodu, je nejlep\u0161\u00edm zp\u016fsobem, jak se s t\u00edm vypo\u0159\u00e1dat, jednodu\u0161e po\u010dkat n\u011bkolik dn\u00ed, ne\u017e p\u0159idan\u00e1 voda %22odte\u010de%22 po sp\u00e1du. V m\u00edstech s typickou rychlost\u00ed proud\u011bn\u00ed podzemn\u00ed vody (0,5 a\u017e 2 metry za den) voda p\u0159idan\u00e1 p\u0159i vrt\u00e1n\u00ed a\/nebo stavb\u011b vrtu odte\u010de od sac\u00edch otvor\u016f CMT za n\u011bkolik dn\u00ed. Pokud m\u00e1 voda p\u0159idan\u00e1 b\u011bhem vrt\u00e1n\u00ed jinou elektrickou vodivost (EC) ne\u017e voda z formace, m\u016f\u017eete sledovat EC ve vod\u011b \u010derpan\u00e9 z vrtu, abyste si ov\u011b\u0159ili, \u017ee vrtn\u00e1 voda zmizela. N\u011bkte\u0159\u00ed konzultanti p\u0159id\u00e1vali do vrtn\u00e9\/stavebn\u00ed vody jako stopovac\u00ed l\u00e1tku bromid draseln\u00fd (inertn\u00ed stopovac\u00ed l\u00e1tku b\u011b\u017en\u011b pou\u017e\u00edvanou p\u0159i v\u00fdzkumu podzemn\u00edch vod) a pot\u00e9 p\u0159ed odb\u011brem vzork\u016f sledovali proplachovac\u00ed vodu ve vrtu CMT pomoc\u00ed elektrody specifick\u00e9 pro bromid, aby ov\u011b\u0159ili, \u017ee vrtn\u00e1 voda ji\u017e nen\u00ed v bl\u00edzkosti vrtu CMT. Pro podrobnosti n\u00e1s kontaktujte.        <\/span><\/p>\n<p>&#8220; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220; parentOrderClass=&#8220;dsm_faq_3&#8243;][\/dsm_faq_child][\/dsm_faq][et_pb_text _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;]<\/p>\n<p><span>\u00ae Solinst a CMT jsou registrovan\u00e9 ochrann\u00e9 zn\u00e1mky spole\u010dnosti Solinst Canada Ltd.<\/span><br role=\"presentation\" data-uw-rm-sr=\"\"><span>*Patenty #6,865,933 B1, #6,758,274 B2, #2,260,587, #6,581,682, #2,347,702 a #2,381,807.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220;][et_pb_column_inner saved_specialty_column_type=&#8220;3_4&#8243; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220;][et_pb_code _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220; admin_label=&#8220;\u00daryvek nej\u010dast\u011bj\u0161\u00edch dotaz\u016f Schema.org&#8220; hover_enabled=&#8220;0&#8243; sticky_enabled=&#8220;0&#8243;]<script type=\"application\/ld+json\"><!-- [et_pb_line_break_holder] -->{<!-- [et_pb_line_break_holder] -->  \"@context\": \"https:\/\/schema.org\",<!-- [et_pb_line_break_holder] -->  \"@type\": \"FAQPage\",<!-- [et_pb_line_break_holder] -->  \"mainEntity\": [{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Can segments of the CMT tubing be coupled together?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"No. The system is designed to be installed in one continuous length, thus eliminating the possibility of leakage at joints.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Are CMT wells accepted by regulators? How do I convince my regulator that the system yields reliable data?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Based on what we hear, an emphatic YES! However, the system is still new to many people, including many State and local regulators. Once they are introduced to the system, though, most regulators whole-heartedly support the use of CMT wells. They look forward to the better plume definition afforded with multi-level monitoring, especially compared to the composite samples from long-screened monitoring wells that they have had to settle for in the past. A common concern expressed by the regulatory community is the integrity of the borehole annular seals that prevent vertical movement of groundwater between different zones. This is one of the key advantages of the CMT System. Unlike nested wells where several casings are placed in a single borehole, there is only one casing \u2013 or more accurately, one tube \u2013 in the borehole with the CMT System. This simplifies the installation and improves the reliability of annular seals installed between the various monitored zones. Another concern expressed by some regulators is the quality of the groundwater samples collected from CMT wells. The best way to inform your regulator of the advantages of multilevel monitoring using the CMT System is to direct them to the recently published paper on the CMT System authored by its inventors, Murray Einarson and John Cherry. That paper (Einarson and Cherry, GWMR Fall 2002) can be downloaded from our website.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Are there any chemical affects or biases associated with the polyethylene tubing or other parts of the CMT system?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Here are chemical biases associated with all types of groundwater monitoring wells and sampling pumps. Potential chemical biases associated with the CMT system relate to (1) the use of polyethylene tubing and (2) the sampling devices used to collect water samples. Hydrophobic organic contaminants can sorb to the polyethylene tubing, potentially causing a negative sampling bias. In some situations, those same compounds can diffuse through the polyethylene, either from outside of the well or from adjacent channels, potentially causing a positive sampling bias in some channels. Potential biases with hydrophyllic contaminants, e.g. MTBE or most inorganic compounds is minimal. A thorough discussion of these potential sampling biases is presented in the Einarson and Cherry Paper describing the CMT system that was published in the Fall 2002 issue of Groundwater Monitoring and Remediation. (See the Papers Section of this web site.)\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Why is the system not available in Teflon\u00ae?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"We explored the idea of making CMT tubing out of Teflon but rejected it for a couple of reasons. First, Teflon is a difficult polymer to work with and it is not possible to extrude Teflon in the shape of the current CMT system. Second, Teflon is very expensive, which would drive the cost of the CMT system up by as much as ten-fold. Finally, Teflon isn't immune to sampling biases; hydrophobic VOCs can diffuse through the walls of Teflon tubing just as they can through the walls of polyethylene tubing.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"How are CMT wells diffferent than \\\"nested wells\\\"?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"CMT wells are indeed very different than \\\"nested wells\\\". In fact, the CMT System was designed in part because of the problems inherent with nested wells. Nested wells are multilevel wells that have multiple casings in a single borehole. That type of well construction was popular in the 1970s and early 1980s. However, the use of nested wells is strongly discouraged by US EPA and other regulatory agencies because of the many documented cases where poor seals between the casings led to cross-connection of the various monitored zones. Most boreholes are not perfectly straight or plumb, and the casings inevitably end up lying against each other in some portions of the borehole. Bentonite pellets and\/or cement grouts may not completely fill in the spaces between the casings, resulting in void spaces that allow cross-communication between the different monitoring zones. In areas where nested wells are still allowed, there are usually requirements that spacers be used to keep the various casings apart in the borehole. There is usually also a requirement that 2-inch annular seals be installed between each of the individual well casings. This requirement results in boreholes that must be 12 inches in diameter or larger. The increased cost of the larger boreholes quickly makes nested wells less attractive than clusters of individual wells, especially when the uncertainty of the annular seals is factored in. With the CMT System, the various monitoring channels are inside the CMT tubing. Thus, there is only one, smooth-walled tube within the borehole. The tubing is centered inside the borehole using Solinst's low-profile centralizers, and 2-inch-thick annular seals can be installed easily and reliably in a single borehole as small as 5.6 inches in diameter.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Do CMT wells comply with state and county well construction standards?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Well construction standards vary from region to region, but CMT wells should be in full compliance with well construction standards in most areas. Many states and counties require a 2 inch annular seal between the well casing and borehole wall. That is easily achieved with CMT wells. Given the relatively small diameter of the system (1.6 inches), the requirement for a 2 inch seal is met by installing the system in a borehole that is 5.6 inches in diameter or larger. Low-profile centralizers ensure that CMT wells are centered in the borehole and that the sealing material fills the space surrounding the CMT tubing evenly.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What is the purge volume of the various CMT channels per foot of tubing?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"The outer 6 pie-shaped channels of the CMT tubing each hold 40 ml of fluid per linear foot of tubing. The central channel holds approximately 30 ml per linear foot.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Why is the CMT System less expensive than other multilevel systems?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"There are a couple of reasons for this. First, the tubing is made of high-density polyethylene (HDPE), which is an inexpensive material that is commonly used for environmental sampling. Second, there are no joints in the tubing; the tubing is continuous from the ground surface to the bottom of the borehole. Joints increase the cost of monitoring wells because they require sophisticated design and careful machining to maintain tensile strength and prevent leakage.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What papers or guidance documents have been published that describe the CMT System?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Several papers describing the CMT multilevel monitoring system have been published and more are being published all the time. The most complete description of the CMT System is contained in a technical paper published in the Fall 2002 issue of Ground Water Monitoring and Remediation (Einarson and Cherry, 2002). Note, however, that several improvements to the system have been made since that paper was written. The CMT System is also described in the American Petroleum Institute's 2000 guidance document titled \\\"Strategies for Characterizing Sites with Releases of MTBE and other Fuel Oxygenates\\\". These documents and others can be downloaded from the Papers section of our website.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Does the Waterloo Multilevel System have any advantages over the CMT System?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Yes, the Waterloo System is more suitable for deeper applications, applications that require special materials, such as stainless steel or Teflon and for applications which require dedicated pumps and pressure transducers in up to 8 zones.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I don't have room at my job site to lay out the tubing in order to mark and install the intake ports and well screens. What other options do I have?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"For long lengths of tubing, e.g. greater than 100 feet, it is often impractical to lay the tubing on the ground at the job site in order to mark and install the various intake ports and well screens. We recommend that you mark the locations of the ports on the tubing ahead of time and bring the coiled CMT tubing to the jobsite. You can then install the ports and well screens at the proper locations as you are lowering the CMT tubing into the borehole. Alternatively, the CMT System can be built anywhere that room is available, then coiled and transported to the site.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Why is the CMT tubing not available in larger diameters?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"We explored making the CMT tubing in larger diameters, but found that doing so had undesirable results. First, increasing the diameter of the tubing resulted in a decrease in the collapse strength of the tubing. Second, the larger-diameter tubing was more difficult to coil, and could not be coiled in diameters small enough to ship with common carriers. Rather than make the tubing larger, we developed water level measuring tapes and sampling pumps that would easily fit down all of the channels of the existing CMT tubing. See Model 101M and Model 102 Water Level Meters.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What is the history of the CMT System?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"The CMT system was originally developed by Murray Einarson while he was a graduate student at the University of Waterloo in Ontario, Canada. At the time Murray was a partner in the California-based company, Precision Sampling, which retained ownership of the CMT patent rights until Precision was sold to Conor Pacific Environmental in 1998. In 1999, Murray obtained sole ownership of the patent rights from Conor Pacific and signed an agreement with Solinst, giving them exclusive world-wide rights to manufacture and sell the system. Since that time, Solinst has further developed the CMT System, designing reliable mechanical seals for each channel, a guide point port to allow easy access to the central channel, and a set of specialized tools to simplify system assembly.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"How many CMT wells have been installed to date?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Thousands of CMT wells have been installed on four continents around the world. CMT wells have been installed in most states in the US and in Canada, the UK, Italy, Singapore, and South Africa.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Can CMT wells be used for soil gas sampling?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Yes. Special fittings are available to collect soil gas samples from all channels of the CMT tubing. Contact us for details.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What kind of hydraulic tests can I perform in CMT wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"CMT wells make ideal multilevel observation wells during groundwater pumping tests. Hydraulic tests have also been performed in the wells themselves. Most tests performed in CMT wells performed to date have been slug tests where compressed air is used to depress the water level in the test zone. The compressed air is suddenly released, and the recovery of the interval is monitored by measuring the rising water level over time. Small diameter transducers greatly simplify monitoring of the water level recovery, especially in coarse-grained formations that recover quickly. A good source of information pertaining to hydraulic testing in small-diameter wells can be found at the University of Kansas website: http:\/\/www.geo.ku.edu\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Are groundwater samples collected from CMT wells as good as samples collected from 2-inch or 4-inch conventional monitoring wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Groundwater samples from CMT wells are not only as good as samples collected from traditional monitoring wells, they are usually better! Most importantly, samples from CMT wells are discrete samples from the aquifer, not composite samples typical of long-screened conventional monitoring wells. Consequently, if the concentration of a contaminant in a sample collected from a particular CMT channel is low, you can be confident that the concentration in the aquifer at that depth is indeed low, rather than being low because of dilution as may be the case with a conventional monitoring well. Additional discussion of the sampling biases associated with conventional monitoring wells and the technical advantages of multilevel groundwater monitoring is presented in our Papers Section. In addition, water samples collected from CMT wells are often less turbid than samples collected from conventional monitoring wells. The screen slot size and sand pack of a conventional monitoring well is often a compromise owing to the wide range of grain sizes present within the screened interval of most wells. The well screens and sand pack may be too small for the coarser fraction, but too large for the fine-grained layers within the screened zone. This leads to high levels of turbidity in the water samples since the fine-grained sediments are not effectively filtered by the well screens and sand pack. CMT wells, on the other hand, typically monitor short, discrete intervals in an aquifer. The well screen and sand pack in each monitored zone can be optimized for the grain size of the sediments within each interval. Each intake port in a CMT well can have a different well screen and sand pack size depending on the lithology of the aquifer materials in each monitored zone. This flexibility in well construction optimizes the filtration characteristics of the CMT well, resulting in clear, turbidity-free water samples. CMT wells have other advantages over conventional monitoring wells. First, the purge volume of CMT wells is very small. That means that there is less contaminated water requiring treatment or disposal during routine sampling. Take the case of a 4-zone CMT well that has ports at depths of 20, 40, 60, and 80 feet. Assuming that the static water level is 10 feet below the ground surface, the volume of water required to purge two times the \\\"casing volume\\\" of the four channels would be about 7 liters or less than 2 gallons! Second, CMT wells detect changes in piezometric pressure more accurately than traditional monitoring wells. Two- or 4-inch-diameter monitoring wells store a lot of water compared to the individual channels in a CMT well. The large amount of water stored in a conventional monitoring well means that the well will be slow to respond to changes in piezometric pressure in the aquifer. This is especially true in low-yield formations, where weeks and even months may be required to fill the well casings to the static water level. CMT wells, on the other hand, respond and equilibrate quickly because of the low volume of the various channels.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"How are CMT wells different than \\\"nested wells\\\"?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"CMT wells are indeed very different than \\\"nested wells\\\". In fact, the CMT System was designed in part because of the problems inherent with nested wells. Nested wells are multilevel wells that have multiple casings in a single borehole. That type of well construction was popular in the 1970s and early 1980s. However, the use of nested wells is strongly discouraged by US EPA and other regulatory agencies because of the many documented cases where poor seals between the casings led to cross-connection of the various monitored zones.<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->Most boreholes are not perfectly straight or plumb, and the casings inevitably end up lying against each other in some portions of the borehole. Bentonite pellets and\/or cement grouts may not completely fill in the spaces between the casings, resulting in void spaces that allow cross-communication between the different monitoring zones. In areas where nested wells are still allowed, there are usually requirements that spacers be used to keep the various casings apart in the borehole. There is usually also a requirement that 2-inch annular seals be installed between each of the individual well casings. This requirement results in boreholes that must be 12 inches in diameter or larger. The increased cost of the larger boreholes quickly makes nested wells less attractive than clusters of individual wells, especially when the uncertainty of the annular seals is factored in. With the CMT System, the various monitoring channels are inside the CMT tubing. Thus, there is only one, smooth-walled tube within the borehole. The tubing is centered inside the borehole using Solinst's low-profile centralizers, and 2-inch-thick annular seals can be installed easily and reliably in a single borehole as small as 5.6 inches in diameter.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Do CMT wells comply with state and county well construction standards?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Well construction standards vary from region to region, but CMT wells should be in full compliance with well construction standards in most areas. Many states and counties require a 2 inch annular seal between the well casing and borehole wall. That is easily achieved with CMT wells. Given the relatively small diameter of the system (1.6 inches), the requirement for a 2 inch seal is met by installing the system in a borehole that is 5.6 inches in diameter or larger. Low-profile centralizers ensure that CMT wells are centered in the borehole and that the sealing material fills the space surrounding the CMT tubing evenly.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Are CMT wells accepted by regulators? How do I convince my regulator that the System yields reliable data?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Based on what we hear, an emphatic YES! However, the system is still new to many people, including many State and local regulators. Once they are introduced to the system, though, most regulators whole-heartedly support the use of CMT wells. They look forward to the better plume definition afforded with multi-level monitoring, especially compared to the composite samples from long-screened monitoring wells that they have had to settle for in the past. A common concern expressed by the regulatory community is the integrity of the borehole annular seals that prevent vertical movement of groundwater between different zones. This is one of the key advantages of the CMT System. Unlike nested wells where several casings are placed in a single borehole, there is only one casing - or more accurately, one tube - in the borehole with the CMT System. This simplifies the installation and improves the reliability of annular seals installed between the various monitored zones. Another concern expressed by some regulators is the quality of the groundwater samples collected from CMT wells. Until recently, the only way to sample CMT wells was with a Peristaltic Pump or Mini Inertial Pump. Now Solinst has a Micro Double Valve Pump and sample integrity is no longer an issue. Several government and university studies show that pneumatic pumps like the Micro Double Valve pump yield very high quality groundwater samples. The best way to inform your regulator of the advantages of multilevel monitoring using the CMT System is to direct them to the recently published paper on the CMT System authored by its inventors, Murray Einarson and John Cherry. That paper (Einarson and Cherry, GWMR Fall 2002) can be downloaded from our website.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What papers or guidance documents have been published that describe the CMT System?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Several papers describing the CMT multilevel monitoring system have been published and more are being published all the time. The most complete description of the CMT system is contained in a technical paper published in the fall 2002 issue of Ground Water Monitoring and Remediation (Einarson and Cherry, 2002). Note, however, that several improvements to the system have been made since that paper was written. The CMT system is also described in the American Petroleum Institute's 2000 guidance document titled \\\"Strategies for Characterizing Sites with Releases of MTBE and other Fuel Oxygenates.\\\" These documents and others can be downloaded from the Papers section of our website.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What is the maximum depth that CMT wells can be installed?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"CMT wells have been installed to a maximum depth of 260 feet. Stock coil lengths are 100 ft, 200 ft & 300 ft. On special order 400 ft coils are available.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Can segments of the CMT tubing be coupled together?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"No. The system is designed to be installed in one continuous length, thus eliminating the possibility of leakage at joints.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What if I don't want to monitor seven zones? Do I have to use all the channels?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"No. You can use as many or as few as you like. Unused channels do not affect the rest of the CMT System. Some people use two channels to monitor a single zone. They dedicate one of the channels to a Micro Double Valve Pump and use the other channel for measuring water levels. If you use two channels to monitor a single zone, however, you will reduce the number of discrete zones that you can monitor by 50%.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What papers or guidance documents have been published that describe the CMT System?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Several papers describing the CMT multilevel monitoring system have been published and more are being published all the time. The most complete description of the CMT system is contained in a technical paper published in the fall 2002 issue of Ground Water Monitoring and Remediation (Einarson and Cherry, 2002). Note, however, that several improvements to the system have been made since that paper was written. The CMT system is also described in the American Petroleum Institute's 2000 guidance document titled 'Strategies for Characterizing Sites with Releases of MTBE and other Fuel Oxygenates.'\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Is there a minimum borehole diameter that should be used for CMT wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"For installations where sand and bentonite pellets are poured into the borehole annulus from the ground surface, we recommend using CMT centralizers and a borehole diameter of at least 5 inches. That gives the well installer ample space to avoid bridging the sand and bentonite and allows easy access for the Solinst Tag Line. Solinst Double Acting Inflatable Packers are available, by special order, to seal 3\\\", 3.7\\\" and 4\\\" boreholes. Seven-channel CMT wells can be installed through direct-push casing having an inside diameter (ID) of 2 inches or larger. These installations rely on the formation collapsing around the CMT tubing.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What kinds of drilling methods can be usd to install CMT wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"CMT wells have been installed in boreholes created with nearly all types of drilling equipment. A summary of Drilling Methods & Techniques for installing CMT wells in Unconsolidated Aquifers can be found in the Papers & Information section of the Solinst website.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"How do I find a drilling contractor who has experience installing CMT wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"A listing of drilling contractors who have experience installing CMT wells is included on our website. If you have a contractor that you would like to work with but who has not yet installed a CMT well, please have the contractor contact Solinst to explain the various options for installing CMT wells with different types of drilling equipment. We are happy to assist you and\/or your contractor to make sure that your CMT wells are installed successfully. Telephone support is available at no cost. On-site training for you and\/or your contractor is available for a small additional fee necessary to cover our time and travel costs.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I've seen pictures of the CMT System installed with bentonite packers. Are they available from Solinst?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Prototype bentonite packers were used during the initial development and testing of the CMT system. Those bentonite seals, which are described in the 2002 Einarson and Cherry paper, proved to be too difficult and time-consuming to construct in the field. Therefore, we recommend that all annular materials, including sand pack and bentonite seals, be poured from the surface in conjunction with CMT System Centralizers.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I've heard that inflatable packers exist that allow for temporary or permanent installations in bedrock aquifers. How do they work?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"We have developed Double-Acting Inflatable Packers that are used to seal the annular space between the CMT tubing and the borehole wall in bedrock installations. They are \\\"double acting\\\" in that the inside of the packers expand along with the outside of the packers. By applying a small vacuum to the packers, the inner gland expands slightly. The packers then slide easily over the CMT tubing and can be positioned where needed. When the vacuum is released, the inner gland retracts, securing the packers to the CMT tubing. Clamps are attached to the packers to ensure that they don't move when the well is inserted into the borehole. An inflation tube connects to each of the packers and extends to the ground surface. When the CMT well is fully inserted, the packers are inflated with air, nitrogen, or water. Inflating the packers seals both the borehole annulus and the space between the CMT tubing and the packers. An advantage of this system is that the packers can be deflated and the system removed when monitoring is no longer needed.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Can I install CMT wells with direct-push equipment?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Yes. Many DP contractors are installing 7-Channel CMT wells. The wells are typically installed inside of probe rods equipped with disposable drive points. Once the probe rods have been advanced to the desired depth, the CMT tubing is inserted. Then, the probe rods are retracted, leaving the CMT well in the ground. Most of these installations have been in sandy formations where the soil collapses around the CMT tubing when the probe rods are retracted. Installations in formations that do not collapse are more difficult, especially with small-diameter probe rods. The small inside diameter of the probe rods leaves little space to pour annular materials (i.e. sand and bentonite pellets) from the ground surface.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What is the best way to install sand packs and annular seals between the various monitored zones?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"The best way to install sand pack and annular seals is by pouring them into the borehole annulus from the surface or using a tremie pipe. When installing 7-Channel CMT wells this way, we suggest that you have a borehole no smaller than 5 inches in diameter. A borehole 5 inches in diameter or larger allows plenty of room for sand and bentonite pellets to fall to the bottom of the borehole without bridging. Also, be sure to use Solinst's low-profile centralizers to keep the CMT tubing centered in the borehole. These centralizers have been designed to minimize the likelihood of bridging the annular materials when building the well. Also, you may want to use an Anchor Plate to keep the CMT from rising up in the borehole, especially when drive casing (if used) is incrementally withdrawn from the borehole. The Anchor Plate is bolted directly to the Guide Point Port. After you have inserted the CMT well to the bottom of the hole, place a sandpack across the deepest monitoring zone by pouring sand into the annulus until it comes up to the level specified in your well construction design diagram. Be sure to measure the depth of the sand pack frequently with Solinst's Model 103 Tag Line while you are pouring the sand. This ensures that you don't bring the sand pack too high up in the borehole. Once the sand pack is above the bottom monitoring port, pour bentonite pellets to make a seal between the bottom monitoring zone and the overlying one. Contractors have reported good success using coated bentonite pellets for the annular seals. Pour the pellets slowly, and measure the depth of the seal frequently with the tag line to avoid adding too much bentonite. Continue adding alternating layers of sand pack and bentonite seals as described above, up to the levels specified in your well construction design diagram. Additional information about constructing CMT wells is presented in our Model 403 CMT Installation Manual (available on our site).\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I don't have room at my job site to lay out the tubing in order to mark and install the intake ports and well screens. What other options do I have?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"For long lengths of tubing, e.g. greater than 100 feet, it is often impractical to lay the tubing on the ground at the job site in order to mark and install the various intake ports and well screens. We recommend that you mark the locations of the ports on the tubing ahead of time and bring the coiled CMT tubing to the jobsite. You can then install the ports and well screens at the proper locations as you are lowering the CMT tubing into the borehole. Alternatively, the CMT System can be built anywhere that room is available, then coiled and transported to the site.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"How do I decommission CMT wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"CMT wells can be pressure grouted using a bentonite or cement slurry. The injected fluid will fill each CMT channel and the sand pack adjacent to each intake port. CMT wells can also be over drilled if necessary.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What is the purge volume of the various CMT channels per foot of tubing?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"The outer 6 pie-shaped channels of the CMT tubing each hold about 40 ml of fluid per linear foot of tubing. The central channel holds approximately 30 ml per linear foot.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What if I don't want to monitor seven zones? Do I have to use all the channels?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"No. You can use as many or as few as you like. Unused channels do not affect the rest of the CMT System. Some people use two channels to monitor a single zone. They dedicate one of the channels to a Micro Double Valve Pump and use the other channel for measuring water levels. If you use two channels to monitor a single zone, however, you will reduce the number of discrete zones that you can monitor by 50%.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"How do I measure water levels inside CMT wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Water levels can be measured with Solinst's Model 101 or Model 102 small-diameter water level tapes. If continuous recording of water levels is desired, you can install Solinst's Model PDCR 35\/D Druck transducers. The transducers can be connected to a wellhead datalogger or a telemetry unit for remote reading from a central data collection center. These transducers will only fit inside the outer channels and not the narrower center channel.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"What are the best ways to purge and sample CMT wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"You basically have 3 choices for purging and sampling in narrow diameter applications. The Model 410 Peristaltic Pump can be used where the suction lift is less than 25 ft (7.5 m). Solinst's Mini Inertial Pump (MIP) can also be used. The MIP uses 1\/4\\\" (6mm) dia. riser tubing fitted with a \\\"push-in\\\" foot valve. Repeated up and down strokes brings the sample to surface from depths up to 150 ft. (46m). Purge & sampling can also be done with the Model 408M Micro Double Valve pump which is ideal for low flow sampling. The 408M is made of 3\/8\\\" (10mm) dia. flexible coaxial tubing available in LDPE for use to 50 ft. (15m) or Teflon for use down to 150 ft. (46m) The 408M uses a drive gas which is delivered through a controller.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Are there any chemical affects of biases associated with the polyethylene tubing or other parts of the CMT system?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"There are chemical biases associated with all types of groundwater monitoring wells and sampling pumps. Potential chemical biases associated with the CMT system relate to (1) the use of polyethylene tubing and (2) the sampling devices used to collect water samples. Hydrophobic organic contaminants can sorb to the polyethylene tubing, potentially causing a negative sampling bias. In some situations, those same compounds can diffuse through the polyethylene, either from outside of the well or from adjacent channels, potentially causing a positive sampling bias in some channels. Potential biases with hydrophyllic contaminants, e.g. MTBE or most inorganic compounds is minimal. A thorough discussion of these potential sampling biases is presented in the Einarson and Cherry Paper describing the CMT system that was published in the Fall 2002 issue of Groundwater Monitoring and Remediation.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"Are groundwater samples collected from CMT wells as good as samples collected from 2-inch or 4-inch conventional monitoring wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Groundwater samples from CMT wells are not only as good as samples collected from traditional monitoring wells, they are usually better! Most importantly, samples from CMT wells are discrete samples from the aquifer, not composite samples typical of long-screened conventional monitoring wells. Consequently, if the concentration of a contaminant in a sample collected from a particular CMT channel is low, you can be confident that the concentration in the aquifer at that depth is indeed low, rather than being low because of dilution as may be the case with a conventional monitoring well. Additional discussion of the sampling biases associated with conventional monitoring wells and the technical advantages of multilevel groundwater monitoring is presented in our Papers Section. In addition, water samples collected from CMT wells are often less turbid than samples collected from conventional monitoring wells. The screen slot size and sand pack of a conventional monitoring well is often a compromise owing to the wide range of grain sizes present within the screened interval of most wells. The well screens and sand pack may be too small for the coarser fraction, but too large for the fine-grained layers within the screened zone. This leads to high levels of turbidity in the water samples since the fine-grained sediments are not effectively filtered by the well screens and sand pack. CMT wells, on the other hand, typically monitor short, discrete intervals in an aquifer. The well screen and sand pack in each monitored zone can be optimized for the grain size of the sediments within each interval. Each intake port in a CMT well can have a different well screen and sand pack size depending on the lithology of the aquifer materials in each monitored zone. This flexibility in well construction optimizes the filtration characteristics of the CMT well, resulting in clear, turbidity-free water samples. CMT wells have other advantages over conventional monitoring wells. First, the purge volume of CMT wells is very small. That means that there is less contaminated water requiring treatment or disposal during routine sampling. Take the case of a 4-zone CMT well that has ports at depths of 20, 40, 60, and 80 feet. Assuming that the static water level is 10 feet below the ground surface, the volume of water required to purge two times the \\\"casing volume\\\" of the four channels would be about 13 liters or less than 3.5 gallons! Second, CMT wells detect changes in piezometric pressure more accurately than traditional monitoring wells. Two- or 4-inch-diameter monitoring wells store a lot of water compared to the individual channels in a CMT well. The large amount of water stored in a conventional monitoring well means that the well will be slow to respond to changes in piezometric pressure in the aquifer. This is especially true in low-yield formations, where weeks and even months may be required to recharge the well casings to the static water level. CMT wells, on the other hand, respond and equilibrate quickly because of the low volume of the various channels.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I have flowing artesian conditions at my site. Do you have a way to plug and sample the ports at the wellhead?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Yes. Special expansion plugs are available to seal the various channels at the wellhead. The plugs have optional valves which allow you to collect groundwater samples simply by opening the valves. Pressure gauges can also be attached to the plugs at the wellhead in order to measure the piezometric pressures in each monitored zone.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },{<!-- [et_pb_line_break_holder] -->    \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->    \"name\": \"How do I develop CMT wells?\",<!-- [et_pb_line_break_holder] -->    \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->      \"text\": \"We have had good success purging the wells with Peristaltic Pumps and Mini Inertial Pumps. You cannot, of course, develop CMT wells the way you would a water supply well, but that type of rigorous development isn't required with small-diameter monitoring wells. The goal of developing CMT wells, which is usually easily achieved, is to establish hydraulic connection with the formation. The well won't be 100% efficient, but the hydraulic head values measured in the well will be accurate, and the well will yield more than enough water to sample (assuming that the formation is reasonably permeable). If you added water when drilling the borehole or constructing the well, the best way of dealing with this is to simply wait several days for the water you've added to \\\"drift\\\" down gradient. For sites with typical groundwater velocities (0.5 to 2 feet per day), the water added during drilling and\/or well construction will have drifted away from the CMT intake ports in several days. If the water added during drilling has a different electrical conductivity (EC) than the formation water, you can monitor the EC in water pumped from the well to confirm that the drill water is gone. Some consultants have added potassium bromide (an inert tracer commonly used in groundwater research) as a tracer to the drill\/construction water and then monitored the purge water in the CMT well with a bromide-specific electrode to verify that the drill water is no longer in the vicinity of the CMT well prior to collecting samples. Contact us for details.\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  }]<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/script>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8220; custom_padding=&#8220;0px|||||&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_column_inner saved_specialty_column_type=&#8220;3_4&#8243; _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_button button_url=&#8220;https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/get-quote.php&#8220; button_text=&#8220;Z\u00edskat nab\u00eddku&#8220; admin_label=&#8220;403 get quote&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;c9e00792-1360-4998-8cf9-5f6772c944ba&#8220; global_module=&#8220;3396&#8243; global_colors_info=&#8220;{}&#8220;][\/et_pb_button][dsm_menu title=&#8220;Souvisej\u00edc\u00ed produkty&#8220; menu_id=&#8220;37&#8243; submenu_collapse=&#8220;on&#8220; menu_link_text_color=&#8220;#000000&#8243; active_link_color=&#8220;#000000&#8243; menu_link_text_active_color=&#8220;#000000&#8243; menu_link_text_visited_color=&#8220;#000000&#8243; list_style_type=&#8220;none&#8220; disabled_on=&#8220;off|off|on&#8220; admin_label=&#8220;403 Related Products Mobile&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220; header_font=&#8220;|600|||||||&#8220; header_text_align=&#8220;left&#8220; header_text_color=&#8220;#000000&#8243; header_font_size=&#8220;20px&#8220; menu_font_size=&#8220;16px&#8220; sub_menu_text_color=&#8220;#727272&#8243; background_color=&#8220;#fcfcfc&#8220; custom_padding=&#8220;10px|10px|10px|10px|false|false&#8220; sticky_limit_bottom=&#8220;body&#8220; sticky_position_tablet=&#8220;none&#8220; sticky_position_phone=&#8220;none&#8220; sticky_position_last_edited=&#8220;on|tablet&#8220; border_width_all=&#8220;1px&#8220; border_color_all=&#8220;#e0e0e0&#8243; global_colors_info=&#8220;{}&#8220; active_link_color__hover_enabled=&#8220;on|hover&#8220; active_link_color__hover=&#8220;#d1d1d1&#8243;][\/dsm_menu][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][\/et_pb_section][et_pb_section fb_built=&#8220;1&#8243; admin_label=&#8220;Adobe Analytics Code&#8220; _builder_version=&#8220;4.27.0&#8243; _module_preset=&#8220;default&#8220; custom_padding=&#8220;||4px|||&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_row _builder_version=&#8220;4.27.2&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_column type=&#8220;4_4&#8243; _builder_version=&#8220;4.27.0&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;][et_pb_code admin_label=&#8220;K\u00f3d AA pro tuto str\u00e1nku&#8220; _builder_version=&#8220;4.27.4&#8243; _module_preset=&#8220;default&#8220; global_colors_info=&#8220;{}&#8220;]<!-- SiteCatalyst code version: H.21. 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Syst\u00e9m je navr\u017een tak, aby se instaloval v jedn\u00e9 souvisl\u00e9 d\u00e9lce, \u010d\u00edm\u017e se eliminuje mo\u017enost net\u011bsnosti ve spoj\u00edch. <\/div>\n\t\t\t <\/div>\n\t\t\t<div class=\"dsm_faq_child_1 dsm-faq-item-wrapper\">\n\t\t\t\t<div class=\"dsm-title-wrapper\">\n\t\t\t\t <div class=\"dsm-title-inner-wrapper\">\n\t\t\t\t   <div class=\"dsm_open_icon\"><span>K<\/span><\/div>\n\t\t\t\t   <div class=\"dsm_close_icon\"><span>L<\/span><\/div>\n\t\t\t\t   \n\t\t\t\t   \n\t\t\t\t   <h3 class=\"dsm-faq-title\">&#8220;Jsou<\/h3>\n\t\t\t\t <\/div> \n\t\t\t\t <div class=\"dsm-faq-item-inner-wrapper\">\n\t\t\t\t   \n\t\t\t\t   \n\t\t\t\t   \n\t\t\t\t   \n\t\t\t\t <\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"dsm-faq-content\">&#8220;Podle<\/div>\n\t\t\t <\/div>\n\t\t\t<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":22855,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"folder":[133],"class_list":["post-22679","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Nej\u010dast\u011bj\u0161\u00ed dotazy k v\u00edce\u00farov\u0148ov\u00e9mu syst\u00e9mu CMT: \u010casto kladen\u00e9 ot\u00e1zky<\/title>\n<meta name=\"description\" content=\"Nej\u010dast\u011bj\u0161\u00ed dotazy k v\u00edce\u00farov\u0148ov\u00e9mu syst\u00e9mu CMT: \u010casto kladen\u00e9 ot\u00e1zky. 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