sewer sealing Articles

  • Sewer Level Monitoring - Photos

    Sewer Level Monitoring - Photos Photos in this article present the complexity and versatility of sewer level monitoring. When examining the photos, pay special attention to the stand-alone autonomous characteristics of each installation. In lack of any cabling from the outside, whether data cables or power cables, the solution is fed from its own battery power supply. Data is tranmitted ...

  • Multifaceted sewer improvements program eliminates sewer connection moratorium and system overflows

    The sewer system serving Borough of Jewett City, Connecticut dates from the late 1800’s and was originally constructed as a combined sewer system with the discharges directed to the area rivers. In the 1970’s, the raw sewage discharges from the Borough system were removed from the rivers and redirected to a newly constructed wastewater treatment facility. However, the overflows from the ...

  • 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

  • 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

  • Sewer Siphon Assessment and Air Jumper Design

    ABSTRACTIn response to customer complaints about sewer odor, Orange County Sanitation District (OCSD), California launched a project to investigate the ventilation requirements of existing sewer siphons, to verify adequacy of existing air jumper operation, and determine the need for new air jumpers or additional air jumper capacity. The challenge was assessing sewer siphon air jumper adequacy ...

  • 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

  • Odor Eliminators For Roof Top Vents Often Called Stink-Pipes

    Every state, city, and village either has odor ordinances or treats obnoxious odors perceptible beyond property lines as public disturbances/nuisance. All plumbing vent stacks produce odors unless they fitted with a filter. OSHA warns that levels of 300-ppm (H2S) cause the olfactory nerve to lose sensitivity. At first a “rotten egg” odor is detected but on the second or third breath the odor ...


    By Pennington Equipment Company

  • Pulp & Paper Mill #1

    Problem: This company manufactures Gypsum Wallboard on a one-cylinder machine. It furnishes recycled paper (box, cardboard and newsprint) and it operates 340 days/year. The system holds 100,000 gallons at 120°F. It's objective was to reduce sewer loading. Solution: Hydrocal installed a CAF-1 50 unit and shut down the original pumps. The plant now shows ...


    By HydroCal Inc.

  • Nuclear power reactor Unterweser in Lower Saxony, DE - Case Study

    On 29th of September 1978 the pressurised water reactor Unterweser went on stream and was the most powerful reactor in the world. The Nuclear power reactor Unterweser (KKU - Kernkraftwerk] had an electrical output of 1410 MW. In the course of the energy turnaround, the reactor was turned off on the 18th of March 2011 and completely shut down by the operator E.ON Kernkraft GmbH in June 2011. ...


    By AMEX GmbH

  • Case Study: Barboursville, the “Best Little Village in the state,” just got better

    Barboursville, which bills itself as the “Best Little Village in the State of West Virginia,” has just completed an impressive upgrade to its wastewater treatment lagoon.  What makes the upgrade impressive?  Try this: Increased capacity of the existing lagoon from 600,000 gpd to 1,500,000 gpd. Had no disruption of treatment during construction. Total project costs of less than ...


    By Environetics, Inc.

  • Rainfall, Runoff and Infiltration Re-visited

    Introduction The flow variations in sewers have been modelled for several years with a comparatively high degree of accuracy as far as the diurnal variations and responses to climatic conditions are concerned. However, until comparatively recently the variations in flow due to fluctuations in groundwater levels, soil storage capacity and wetness of the catchment have only been modelled in basic ...


    By Innovyze

  • Gully and overland modeling during extreme events

    Consultants JBA have been involved in modeling gully and overland flows during extreme events as part of the Interreg IIIB NWE (North West Europe) ’urban water’ project, which is being undertaken by Renfrewshire Council in Scotland. Research for this project was commissioned following flooding in 1994 and 1999. The project takes a strategic look at urban flood risk management on a large scale, ...


    By Innovyze

  • Honolulu force main microtunneled

    Long a favored product for microtunneled sanitary sewer interceptors nationwide, now installation of Hobas centrifugal cast fiberglass reinforced polymer mortar (CCFRPM) pressure pipes by jacking is also becoming commonplace. A near flawless installation was completed in Honolulu on the Hart Street Wastewater Pump Station Force Main Replacement project. The new line included 2200 feet of ...


    By Hobas Pipe USA

  • 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 LTD.

  • Mono nov’s compact mutrator solves sewage problem at park

    The services in Woodbank park are used by Stockport Metropolitan Borough Council staff working in the area, as well as members of the public using the sports facilities and visiting the park. The council wanted a simple and reliable alternative to handle raw effluent and enable them to link into a foul sewer some 500m away from the community services building. Engineers orignally opted to install ...


    By NOV Mono - Mono Pumps Ltd

  • ACO KerbDrain provides single solution for ambitious city centre transport improvement scheme

    The adaptability and design versatility of ACO Water Management's award-winning combined drainage and kerb system, ACO KerbDrain, has been fully utilised by Derby City Council in realising its ambitious 'Connecting Derby' city centre transport improvement scheme. A mix of new road, and existing highway refurbishment, the requirements of the diverse drainage environments across the project have ...


    By ACO Group

  • Bedford Pumps delivers ground breaking technology in deep shaft project

    Bedford Pumps Ltd, in collaboration with Morgan Farrans jv, recently contributed to the success of one of the biggest infrastructure projects in Northern Ireland with the installation of six 15 tonne Storm Water pumps. The pumps, among the largest in Northern Ireland, are a crucial part of Northern Ireland Water’s £160 million Belfast Sewers project, commissioned to overhaul the ...


    By Bedford Pumps 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

  • Water resources in Europe in the context of vulnerability

    Water plays a central role in the functioning of the biosphere and in supporting all life. Freshwater ecosystems are particularly important, providing a unique and diverse array of services upon which human society depends. These services include 'provisioning' services, such as the provision of water for agriculture and hydropower. They also include 'regulating' services, where water helps ...

  • Cleaning mold containing surfaces

    Once a determination is made that a moldy surface can be cleaned instead of removed or demolished, what cleaning agents are effective in removing or killing the mold? Many factors influence the selection of a cleaning agent. 1). The type of surface to be cleaned: Is it porous? Hard such as cement or sheetrock? Soft, such as cloth, fabric or wallpaper? Absorbent and thick such as rugs, ...

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