sewer system lateral Articles

  • Private Lateral Program – Knoxville Utilities Board

    The Knoxville Utilities Board (KUB) entered into a Consent Decree with the United States Environmental Projection Agency (US EPA) in February 2004 to reduce sewer overflows and help improve area waterways. Major Consent Decree goals include reducing the amount of inflow/infiltration (I/I) that enters the collection system. KUB developed the PACE10 Program as a means to implement in an expeditious ...

  • Modeling storage capacity in Amsterdam’s sewer system

    About Waternet Waternet is a joint executive within the Amsterdam City Council and the regional management board Amstel, Gooi en Vecht, undertaking strategy, policy, design, planning, projects and administration for wastewater, groundwater and potable water. The organization controls 12 wastewater treatment plants, 3,500km of stormwater and wastewater pipelines, 500km of pressure pipes, ...


    By Innovyze

  • An Update on Louisville MSD`s Basement Backflow Prevention Program - 10 Years and 6,700 Installations Later

    ABSTRACTLouisville and Jefferson County Metropolitan Sewer District (MSD) is responsible for stormwater and wastewater service for the Louisville, Kentucky metropolitan area. A longstanding problem for MSD has been basement flooding due to sewers that are surcharged from wet weather. A non-traditional program was developed by MSD as a means to address this problem in a cost effective and timely ...

  • Turning data into decisions: Europe’s sewer rehabilitation tool

    CARE-S, a computer-based system for wastewater network management, is due to be launched later this year. BILL MCCANN speaks to SVEINUNG SAEGROV, editor of a new book from IWA Publishing which reports on the system’s development and the benefits it will offer network managers. Wastewater network managers in Europe will soon have available an advanced rehabilitation planning system based on an ...


    By WRc plc

  • A new vision on the condition of city of Toronto’s sewer networks

    Situation And Objectives After the amalgamation of Toronto in 1998, Toronto Water – the department in charge of managing the combined infrastructure systems – was mandated to consolidate all underground facilities data and centralize sewer inspection processes on behalf of the newly merged city. Ten years later, a great deal of work in this regard remained undone. It was a ...


    By CTSpec Inc

  • Comparison of the inspector and rating protocol uncertainty influence in the condition rating of sewers

    Wastewater drainage systems asset management decisions, in particular regarding rehabilitation interventions, are largely dependent on close-circuit television (CCTV) inspection results. However, the results of CCTV inspections are affected by several sources of uncertainty. Within the present communication, the inspector's uncertainty is quantified by comparing periodic inspection ...


    By IWA Publishing

  • Missing the Fairway – A Creative Sewer Design through a Private Golf Course

    THE PROBLEMThe City of Sioux Falls, South Dakota is experiencing rapid growth and is being pressured to open additional land for development. A ridgeline on the City’s eastern border prevents the extension of the existing gravity sewer system and creates the need for a completely new system. As shown in Figure 1, the new $31 million dollar system will extend from the ridgeline eastward to the Big ...

  • M-Coating – drain & sewer spraylining the economical solution to manhole shaft renovation

    M-Coating – Procedure for renovating a manhole shaft using ERGELIT Kombina KS M-Coating is a new, innovative renovation technique for both round and rectangular drainage shafts from 500mm to 1200mm. It is based on over 15 years of the Hermes company’s experience. Using this centrifuge spray technique, walls of shafts up to 10 metres deep can be coated to a realistic thickness. ...


    By HERMES Technologie Ltd.

  • Maximazing Operational Capacity for Outfall Sewers through Innovative Design

    ABSTRACTThe City of Lincoln, Nebraska has undertaken a strategy to accelerate development of infrastructure systems for critical areas of the community, with the goal of nearly doubling the development rate for those areas. The Little Salt Creek drainage basin is a growing service area which includes over 3,000 acres of developed land and ultimately 5,300 acres in all. The majority of the ...

  • The Otay Mesa Trunk Sewer: helping development in southern San Diego County

    Untitled Document The City of San ...


    By Innovyze

  • World’s largest compressible media filtration plant eliminates combined sewer overflows, with potential for dry-weather use

    The City of Springfield, Ohio, recently opened its 100 MGD enhanced high-rate treatment facility, designed to treat and disinfect combined high-volume stormwater and wastewater flows generated by wet-weather conditions. Utilizing EPA-documented Compressible Media Filtration technology – FlexFilter™ from WesTech – the system can also provide tertiary filtration and disinfection ...


    By WesTech Engineering, Inc.

  • Bayview Community - Wastewater Treatment System

    Formed just after the Civil War, “Bayview” is a 300 year‐old predominately African American community. The residents of the community organized and created the Bayview Citizens for Social Justice In 1998. The group formed partnerships to improve the lives of the community by installing a water and wastewater treatment system. Funding came from multiple Federal. State and County ...


    By Bio-Microbics, Inc.

  • Removing Struvite from wastewater systems

    Named after Henrich Christian Gottfried Von Struve, who discovered the magnesium ammonium phosphate crystals in medieval sewer systems in Hamburg in 1845, struvite is a major problem for waste water treatment plants. The hard, crystalline deposit forms scale on lines and belts, in centrifuges and pumps.  It also clogs system pipes and other equipment including anaerobic ...

  • What Is a Cooling Tower Water Treatment System and How Does It Work?

    For industrial companies using a cooling tower for its facility, some type of cooling tower water treatment system is usually necessary to ensure an efficient process and long equipment service life. If cooling tower water is left untreated, organic growth, fouling, scaling, and corrosion can reduce plant productivity, cause plant downtime, and require costly equipment replacements down the ...


    By SAMCO Technologies, Inc.

  • Problem Solving with InfoNet 1: A single system for asset data storage and retrieval

    Untitled Document This is the first in a series of articles about InfoNet, Wallingford ...


    By Innovyze

  • Pebble Beach Community Services district backup monitoring to an existing SCADA system case study

    Most people, not just golfers, recognize the name Pebble Beach as being one of the premier residential communities. Nestled on the shoreline and bluffs of the California Monterey peninsula, Pebble Beach is home to hundreds of multi-million dollar estates and some of the most meticulously maintained golf courses in the world. One course, the Pebble Beach golf links, hosts the annual Pebble Beach ...


    By Mission Communications, LLC

  • A New Method of Predicting Rainfall Dependent Inflow and Infiltration

     ABSTRACT There are many hydrological models available to quantitatively characterize rainfall dependent inflow and infiltration (RDII) in a sanitary sewer system, most of which were first derived for quantifying rainfall surface runoff process and later found many applications in studying the issues of combined sewer overflows (CSO). However, it has been long recognized that profound ...

  • Misconnections – Birmingham UK case study

    Background STS was invited independently by the Environment Agency and Severn Trent water to carry out a series of monitoring operations in an area which had a history of issues arising from the misconnection of waste water into a “clean” surface water sewer system. Traditionally surveys of this type are carried out using contractors who are tasked to lift manhole covers ...


    By Safe Training Systems Ltd

  • SMF4 case study 2

    Sewer Misconnection Survey Date: March 2010 Location: Edgebaston Birmingham UK Purpose: To test the application of the SMF4 portable fluorimeter in the detection and quantification of organic pollution from faecal matter in Surface water Sewers. Background STS was invited independently by the Environment Agency and Severn ...


    By Safe Training Systems Ltd

  • Update: For period 1 July 2011–30 September 2011

    LEGISLATION GOVERNMENT BILLS Update on Progress of the Energy Bill The Third Reading of the Energy Bill in the House of Commons was heard on 14 September 2011. The Commons has suggested a number of minor amendments which will be heard by the Lords on 4 October 2011. PRIVATE MEMBERS BILLS There were no new ...


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