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Cleaning of the sewer sections to be renovated must be carried out immediately before the visual inspection and before the installation of the lining tube, usually by means of high-pressure cleaning. The cleaning procedures are to be selected in such a way that further damage to the host pipe is avoided as far as possible. The cleaning process must allow a perfect determination of the actual condition of the host pipe and remove any and all internal. |
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Directly before installation of the lining tube, a visual inspection of the sewer sections is necessary to check whether the pipeline is cleaned and free of obstacles. The results of the inspection are to be documented as a video on data media. Should significant deviations between the actual condition and the specified condition of the host pipe such as
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Obstacles must be removed before installing the lining tube. Obstacles are e.g. root ingrowths, projecting nozzles, deposits, incrustations, crossing pipes. Milling robots, for example, can be used to remove obstacles. Work to remove obstacles must be documented. (Image: Root ingress (BBA) - complex root system (C) in the pipe connection (A)) (Image: Root removed from a sewer) (Image: Root removal by use of a milling machine) |
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Repair work such as injection and/or filling procedures may be necessary before installation of the lining tube, in case of damage such as leaks, positional deviations (socket offsets), missing wall parts and damaged connection areas. For repairs, the data sheets ATV-DVWK-M 143-7, -8 and DWA-M 143-16 are to be applied. During this preparatory work, it is important to ensure that the installation of the lining tube is not adversely affected, e.g. by … |
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Feb 22, 2022 News Joshua Emerson Smith Critics question costly investments in desalination given declining consumer demand. Supporters say long-term investments will bolster the region against future drought.
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Feb 23, 2022 News SAWater SA Water is commencing installation of two new water mains in South Australia as part of the utility’s $155 million four-year water main management program.
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Feb 24, 2022 News Jon Excell Researchers in the US have published a study detailing Amazon EcoVistas, a new computational tool for guiding sustainable dam siting to protect ecosystem services.
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Mar 17, 2023 News Trenchless Australasia SAERTEX multiCom®’s trenchless pipe relining product, SAERTEX-LINER, has been installed for the 100,000th time.
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Sep 08, 2021 News Daphné Decaudin CHRYSO, a leader in Construction chemicals, announced a technology partnership with CONDAT. As CONDAT is a world expert in sealing, lubricants and ground treatment formulations for Tunnel Boring Machines (TBM), CHRYSO has joined forces with the company to develop a unique know-how in TBM tunneling applications combined with a scientific expertise of organo-mineral chemistry.
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Sep 16, 2021 News Leila Dillon Ameresco will install over 4,100 water meters to replace the city’s aging infrastructure and save the city over $50,000 per year.
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Sep 17, 2021 News Myles Meehan New service builds on the Leak Adjustment Protection Program launched earlier this year
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Sep 20, 2021 News Pipeline Renewal Technologies Our workbook, Making the Cut: A Sewer Rehab Contractor’s Guide to Small Diameter Cutter Purchasing, will help you make the right choice to get the job done.
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Sep 22, 2021 News Carolyn Artman Bowman Consulting Group Ltd announced that Jim Brezack has joined the company as Water Resources Director. He will be responsible for overseeing Bowman’s national water resources practice, working with clients to address water supply challenges and provide insight and solutions relating to water conservation, water reclamation and water supply planning. This includes the interpretation and application of state and federal environmental policies.
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Sep 23, 2021 News Denise Venuti Free In the aftermath of Topical Depression Ida, New Jersey American Water, the state’s largest water and wastewater utility company, reports that all its operating areas successfully withstood widespread flooding and drinking water quality was not impacted in any of its service areas.
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Sep 24, 2021 News Eva Ori Organizers of the 20th Plastic Pipe Conference & Exhibition (PPXX) in Amsterdam report on the event’s success. Also announced is that PPXXI will be hosted 26 – 28 September 2023, in Lake Buena Vista (near Orlando), USA.
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Sep 27, 2021 News Waterline Renewal Technologies, Inc. Leading manufacturer and supplier of trenchless pipeline rehabilitation equipment and materials launches extreme cold 4:1 resin beginning September 2021, enhancing its all-inclusive customer service experience.
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Sep 28, 2021 News Myles Meehan Program protects customers faced with high water bills resulting from leaks on their property
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Oct 20, 2021 News Lauren Davies Leading manufacturer of advanced UV cast-in-place-pipe technology expands product portfolio to include new LightRay LRI System, the most advanced entrant to the UV cured inversion liner market.
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Oct 26, 2021 News Pipeline Renewal Technologies Make the right sewer rehab choice
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Oct 27, 2021 News Natasha Wiseman A public-facing multimedia news platform - with water at its heart - has just gone live, in what is believed to be a first for the sector. Make Water Famous mixes engaging public interest stories and water facts with strong visual imagery and video and audio content.
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Oct 27, 2021 News Houston Spencer Leading global water technology company, Xylem Inc., and Dragos, Inc., the global leader in cybersecurity for industrial controls systems (ICS)/operational technology (OT) environments, announced they have partnered to bring best-in-class industrial cybersecurity to critical infrastructure in the water sector.
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Jun 14, 2022 News BlueTech Research The hydrogen economy is at the start of a period of growth, with the size of the global market predicted to be as much as US$12 trillion by 2050, according to the latest research.
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Mar 03, 2021 News Heather Centorbi The NASTT 2021 No-Dig Show will convene in Orlando, Florida, March 28-31 at the Orange County Convention Center — offering in-person and virtual offerings to bring the trenchless industry to you. The 2021 conference features 100-plus exhibitors and six educational tracks and forums.
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Mar 04, 2021 News Pipeline Renewal Technologies The Rehabilitation Cutter Maintenance Logbook from Pipeline Renewal Technologies makes it easy to take care of your mainline sewer cutter.
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Mar 05, 2021 News EITEP Institute Given the medical imperatives of our time, the 16th Pipeline Technology Conference, initially planned as a hybrid event, will morph into an online-only event.
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