sewer pipe sealing Articles

  • Seal-Record in Essen, DE. case study

    The largest main collector within the jurisdiction of the Public Utility Company Essen has a nominal diameter of DN 3800. This main collectortown centre presented damages thatwere in need of redevelopment. After a thorough inspection, 33 leaky joints were selected for this pilot project and the company SMG Bautenschutztechnik fur Hoch und Tiefbau GmbH received the order. Project ...


    By AMEX GmbH

  • A sewer ventilation model applying conservation of momentum

    The work presented herein was completed in an effort to characterize the forces influencing ventilation in gravity sewers and to develop a mathematical model, based on conservation of momentum, capable of accounting for friction at the headspace/pipe interface, drag at the air/water interface, and buoyancy caused by air density differences between a sewer headspace and ambient. Experiments were ...


    By IWA Publishing

  • Bentofix® sealing at Toulouse-Blagnac Airport case study

    One of the largest infrastructure projects in Europe in recent years has been in Toulouse-Blagnac in France on the premises of the airport and the Airbus factory where in future the new Airbus A 380 is to be built. During the course of this construction project not only hangers where the wide-bodied aircraft is to be assembled were built but the whole infrastructure was aligned to ...


    By NAUE GmbH & Co.KG

  • Area-Velocity Flowmeter Installations in Denmark - Case Study

    Area-Velocity Flow Meters are designed to monitor flow rates in partially filled pipes and open channels without flumes or weirs. A sealed ultrasonic sensor is mounted on the bottom of the pipe or channel and connected to electronics through a watertight cable. The sensor measures both level and velocity and when calibrated with the pipe diameter or channel dimensions, the Greyline AVFM ...


    By Greyline Instruments Inc.

  • Investigating the impacts of extraneous water on wastewater treatment plants

    To demonstrate the effects of increased extraneous water on operation, purification, and energy efficiency, two wastewater treatment plants (WWTPs) have been investigated in detail under the research project ‘Sealing of sewer pipes – Effects on the purification performance of WWTPs and their impact on the local water balance’. Both treatment plants, after evaluating and analyzing the ...


    By IWA Publishing

  • What too much water can do to your collection systems

    In areas with a high water table, or for cities more prone to flooding, your underground infrastructure can become inundated with groundwater and stormwater. And despite stormwater systems being built for this type of collection, there are a number of things that can go wrong for both types of collection systems underground—and above ground—that can lead to contamination or degraded ...


    By Hamilton Kent

  • Kijlstra pre-cast tank helps housebuilder go with the flow

    Pre-cast units from specialist manufacturer Kijlstra has helped to speed up the installation of a large concrete attenuation tank at a new housing development in Scotland. Groundworks contractor Mulholland Contracts installed the 31 m long, 8.65 m wide and 0.88 m deep underground tank in just four days, allowing other construction works to get started and minimising delay. The attenuation tank is ...


    By Kijlstra Precast Ltd.

  • Ideal for city jobs - Case Study

    Ulrik Sinding, owner of Djursland Kloakservice ApS (a sewage service company in Trustrup, Denmark) was practically born into the vacuum tanker business. Already in 1979, as a 15-year-old, he was hired by the company that his father, Orla Sinding, started in 1964. In 1989, at the age of 25, Ulrik Sinding took over the company, which has installed Samson pumps in most of its vacuum tanker trucks. ...


    By Samson Pumps A/S

  • Gas safety in confined spaces

    An engineer repairs buried cables; a plant manager enters a small plant room; a contractor inspects the lining of a sewage pipe.  All these personnel face a common danger, despite working in widely different industries.  Gas-related injury poses a serious threat in any confined space where the free movement of air is limited.  ...

  • Viscotaq earns ‘nine out of 10’ rating from chemical plant - Case Study

    InduMar Products Inc. has been providing leak repair solutions for 25 years to all markets where pipe leaks are a problem. The company’s VISCOTAQ product line has been developed in cooperation with leading companies in the oil and gas industry and polymer engineering companies to meet the demand for coating technology with unique and better properties for corrosion control. The result is a ...


    By InduMar Products, Inc.

  • Controlling Odors at Composting Facilities

    Untitled Document ...


    By BioCycle Magazine

  • Gas Safety in Confined Spaces

    Introduction An offshore worker ensures a vessel is safe to enter; a plant manager enters a small plant room; a contractor inspects the lining of a sewage pipe.  All these personnel face common dangers, despite working in widely different industries.  Gas-related injury poses a serious threat in any confined space where the free movement of air is limited. A confined space ...

  • Los Angeles County WRRF Embraces Codigestion

    Technology to produce food waste slurry key to project implementation - and helps generators comply with California organics recycling mandates. The Sanitation Districts’ JWPCP in Carson (CA) treats an average of 280 million gallons/day of wastewater. One of the two anaerobic digestion tanks above has been used for codigestion, with the second serving as the control. Photos ...


    By BioCycle Magazine

  • City of Memphis Wastewater Treatment Plant - Case Study

    The T.E. Maxon Wastewater Treatment Plant of the City of Memphis, TN has four, 180-foot diameter primary clarifiers. Clarifiers 1, 2 and 3 were built in 1980 with 54-inch diameter concrete inlet pipes. Looking forward, engineers designed the splitter box that distributes effluent to the clairfiers, to allow a fourth clairfier, which was added in 1996 with a 48-inch diameter concrete inlet. ...


    By Inliner Technologies, LLC

  • Eastney -  Horsham, West Sussex - Case Study

    Project summary: ERG was contracted by Southern Water to provide increased air extraction and upgraded odour control at the Eastney Headworks site in Portsmouth. Key project data: The upgrade works more than doubled the extracted air flowrate to the odour control unit from 20,700m3/hr to 48,500m3/hr was completed with live sewage flow ...

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