For information - Rivertec Ltd offer a complete range of fish pass and associated hardware and a comprehensive list is given below:
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Denil Mark 1 Modular Fish Pass Units - Flow range from 100 to 660l/s. Three sizes 700, 1000 and 1400mm high, all 1000mm long, based on Alaskan steep pass. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel.
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Denil Mark 2 Modular Fish Pass Units - Side baffles for higher flows from 715 to 1428l/s. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel. These units may also be fabricated in white polypropylene for use in close proximity to fish counter electrodes.
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Denil Mark 3 Modular Fish Pass Units - Flow range from 2500 to 5000l/s. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel.
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Denil Type 19 Fish Pass Plates - Fabricated in Aluminium or for saline water Grade 316 Stainless Steel. These units may also be fabricated in white polypropylene for use in close proximity to fish counter electrodes.
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Mark 4 Modular Fish Pass Units - Bottom baffles for long sloping weirs. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel. These units may also be fabricated in white polypropylene for use in close proximity to fish counter electrodes.
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Elver Passes - Various types, including independent and combined with modular fish pass units. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel.
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Passdeck covers - Standard heavy duty covers specially designed offering maximum security with ease of access to fish pass channel. To cover the area of the top horizontal length of the fish pass channel. Fabricated in Galvanised Mild Steel or Grade 316 Stainless Steel.
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Stepdeck Covers - As above but to cover the sloping length of the fish pass channel. Can be fitted directly to top of modular units or into concrete side walls. Fabricated in Aluminium, Galvanised Mild Steel or Grade 316 Stainless Steel.
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Fish and Elver Traps - Various types, both fixed and elevating. Usually designed to be site specific. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel.
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Debris Shields - A specially designed debris deflector for the upstream end of fish passes with parallel walls. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel.
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Debris Deflectors - A specially designed debris deflector for the upstream end of fish passes with offset walls. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel
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Inscales and Screens - All types, both fixed and adjustable. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel.
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Stop Log Channels - For external fitting at upstream end of fish pass. Fabricated in Aluminium, Galvanised Mild Steel or Grade 316 Stainless Steel.
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Weir Crest Plates - Specially designed crest plates for use in ‘pool and weir’ fish passes eliminating the need for complicated curved concrete formwork. Fabricated in Aluminium or for saline water Grade 316 Stainless Steel.
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Walkways/Footbridges - Pedestrian bridges to gain access to fish passes located in mid river. Constructed in timber, Steel/timber or steel. All steelwork metal sprayed and painted after fabrication.
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Electrode Sets - Tubular or Mat type. Grade 316 Stainless Steel electrode strips and polyethylene construction. Built to Environment Agency Fisheries Technical Manual No. 2 and Aquantic (Fish Counter manufacturer) Specification.
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Fishway Gate - An upstream water level control gate with integral Denil fish pass. A cost effective solution where both river control and fish facilities are required at the same location. Designed for site specific locations.
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Smolt Safe Self Cleaning Debris Screens - A self cleaning screen which can be used when a clean supply of river water is required for commercial purposes, i.e. distilleries, breweries etc. The design allows the safe passage of smolts and other fish over the screen. Fabricated in Aluminium or Stainless Steel in modular lengths of 1.0m. Can be built in conjunction with a fish
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Rotary Screw Fish Trap - Rivertec Ltd, in association with Fishtrack, who are based in the Republic of Ireland, have been appointed UK and European Agents for the (Patented) Rotary Screw Fish Trap developed in the United States of America by E G Solutions Inc. Over 350 of these traps are in use in the USA and Canada.
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All enquiries for the Rotary Screw Trap should be emailed to
Martin O'Farrell of Fishtrack (mofarrel@indigo.ie)
All other enquiries should be made to either Dick Roberts or Tony Woolnough on the phone number or email address below.
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Rivertec Ltd
will be happy to provide a quotation for any of the above equipment on a supply only or supply and install basis.
Rivertec Ltd can provide a design, fabrication and installation service for other hardware requirements specified by the client and will be happy to discuss and provide quotations.
Contact Rivertec Ltd on +44(0)1323 - 469000.
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