Trash rack

Adding local short description: "Machine for cleaning waterways", overriding Wikidata description "river cleaning machine"

← Previous revision Revision as of 09:58, 30 April 2026 Line 1: Line 1: {{Short description|Machine for cleaning waterways}} [[Image:Polenztal Flussrechen.JPG|thumb|Simple wooden rake]] [[Image:Polenztal Flussrechen.JPG|thumb|Simple wooden rake]] A '''trash rack''' (US) or '''debris screen''' is a wooden or metal structure, frequently supported by [[masonry]], that prevents water-borne debris (such as logs, boats, animals, masses of cut waterweed, etc.) from entering the intake of a [[water mill]], pumping station or water conveyance. This protects [[water wheel]]s, [[penstocks]], and [[sluice gate]]s from destruction during [[flood]]s. They are sometimes fitted to storm drain inflows and outflows to prevent debris from entering a natural watercourse. Other names used are '''trash screen''' (US) or '''debris grille'''.<ref>Blanc, Janice (2013). ''An analysis of the impact of trash screen design on debris related blockage at culvert inlets''. Heriot-Watt University. Dissertation.</ref> A '''trash rack''' (US) or '''debris screen''' is a wooden or metal structure, frequently supported by [[masonry]], that prevents water-borne debris (such as logs, boats, animals, masses of cut waterweed, etc.) from entering the intake of a [[water mill]], pumping station or water conveyance. This protects [[water wheel]]s, [[penstocks]], and [[sluice gate]]s from destruction during [[flood]]s. They are sometimes fitted to storm drain inflows and outflows to prevent debris from entering a natural watercourse. Other names used are '''trash screen''' (US) or '''debris grille'''.<ref>Blanc, Janice (2013). ''An analysis of the impact of trash screen design on debris related blockage at culvert inlets''. Heriot-Watt University. Dissertation.</ref>