stormwater chamber Articles

  • Maintenance of a Rainstore3 Stormwater Storage Chamber

    Invisible Structures, Inc. recommends that stormwater be pretreated prior to discharging into the chambers to avoid foreign matter accumlation inside the chamber. This can be accomplished by a variety of techniques or products. Some examples are: Short Term Storage (Detention Basin) “Zero” maintenance – the Preferred Method: Use a ...


    By Invisible Structures, Inc.

  • The impact of intentional stormwater infiltration on soil and groundwater

    ABSTRACTStormwater infiltration is a principle which is more and more utilized on urban sites in France. However, given the characteristics of urban surfaces, and notably the amounts of the different pollutants that stormwater is likely to contain, it is important to try to assess the impact of intentional stormwater infiltration systems on the soil, and on groundwater. To try to answer that ...


    By IWA Publishing

  • Inclined Plate Settlers to Treat Stormwater Solids

    ABSTRACTIt has been well-documented that, in stormwater runoff, many of the problem pollutants are associated with the particulate fraction. Past characterization of urban runoff and source contributions has shown the following: (a) soil disturbance increased the TSS and turbidity in the runoff; and (b) correlations were observed between TSS and particulate runoff concentrations of chromium, ...

  • Shoreline property upgrade saved by Lightweight stormwater solution case study

    Renovating a residential property may be commonplace, however upgrades adjacent to the sensitive Bayou Texar estuary in Pensacola, FL, is a bit more difficult. The estuary is an ecologically sensitive area protected by the Florida Department of Environmental Protection. The consulting engineer and contractor had a problem; with limited space, how do they keep stormwater on site with the addition ...

  • Balancing growth and conservation - Precast concrete manholes become part of the stormwater solution

    When American Fork, Utah, decided to approve construction of a 175-acre commercial center, the city engineers had to consider the environmental effect it would have on a 45-acre wetland right next door. Under the EPA´s Phase II Storm Water Rules, adapted in late 1999, almost any city large enough to require a storm sewer system must balance growth with the environmental impacts of ...


    By BaySaver Technologies, Inc.

  • Upward shield tunneling from deep underground stormwater storage pipes in the central areas

    The Waterworks & Sewerage Bureau of the city of Nagoya is proceeding with flood control projects throughout the city, in consideration of damages the city suffered from the unprecedented volume of rainfall in September 2000. To proceed with these flood control projects smoothly, it was necessary to minimize the influence of the construction on underground facilities such as railroads and ...

  • Pathogen inactivation during passage of stormwater through a constructed reedbed and aquifer transfer, storage and recovery

    A study was undertaken to determine the potential inactivation rates of selected enteric microorganisms in captured urban stormwater within a constructed reedbed and in tertiary carbonated aquifer during an Aquifer Storage, Transfer and Recovery (ASTR) scheme. The study was undertaken in-situ in the constructed reedbed and aquifer using diffusion chambers. The results showed that all tested ...


    By IWA Publishing

  • Case study - Freeman, Batavia, OH

    Project Name: Freeman Enclosure Systems Products: Rainstore3 Applications: Underground Stormwater Detention City: Batavia State/Province: Ohio Install Date: February 2016 Client: Freeman Enclosure Systems Install Size: 6720 Units, Three separate chambers. Address: 4160 Willimasburg Township, Batavia, OH ...


    By Invisible Structures, Inc.

  • Characterising aquifer treatment for pathogens in managed aquifer recharge

    In this study the value of subsurface treatment of urban stormwater during Aquifer Storage Transfer Recovery (ASTR) is characterised using quantitative microbial risk assessment (QMRA) methodology. The ASTR project utilizes a multi-barrier treatment train to treat urban stormwater but to date the role of the aquifer has not been quantified. In this study it was estimated that the aquifer barrier ...


    By IWA Publishing

  • Characterising aquifer treatment for pathogens in managed aquifer recharge

    In this study the value of subsurface treatment of urban stormwater during Aquifer Storage Transfer Recovery (ASTR) is characterised using quantitative microbial risk assessment (QMRA) methodology. The ASTR project utilizes a multi-barrier treatment train to treat urban stormwater but to date the role of the aquifer has not been quantified. In this study it was estimated that the aquifer barrier ...


    By IWA Publishing

  • Mono nov holds the key to sewer improvements

    Previously there was no screening treatment in place, and stormwater was discharged directly into the River Lune.The improvement project, fully designed and managed on behalf of United Utilities by Bechtel, involved constructing a low level chamber, incorporating nine L Series Discreens®, and three Series ‘A’ Munchers®, to screen and condition screenings before discharging the clean water into ...


    By NOV Mono - Mono Pumps Ltd

  • Case study - Acton / Aqua Dulce Public Library, Acton, CA

    Project Name: Acton / Aqua Dulce Public Library Products: Rainstore3 and Gravelpave2 Applications: Underground Stormwater Detention (Rainstore3) and Porous Paving Parking (Gravelpave2) City: Acton State/Province: California Install Date: March 2009 Client: County of Los Angeles Library Install Size: 2880 Units, Rainstore3; 450 sq meters ...


    By Invisible Structures, Inc.

  • The Power to Separate

    Gravity separators are effective and economical tools used to process wastewater and stormwater by removing pollutants such as sediment, hydrocarbons and debris through the process of sedimentation or flotation. Most separators have few or no moving parts, are easy to maintain and have a successful history of use in many different industrial, commercial and residential applications. Specifying ...


    By BaySaver Technologies, Inc.

  • Long Term Full Scale Comparison of Activated Sludge (AS) With Biological Aerated Filter (BAF)

    The Wastewater Treatment Plant (WWTP) of Frederikshavn, Denmark, was extended in the early nineties to increase its average daily flow to 4,5 MGD (16,500 m³/d) and meet new requirements for nutrient removal (8 mg/l TN, 1,5 mg TP/l). A parallel biological aerated filter (BAF) was the selected as the most economical upgrade of the existing activated sludge plant (AS), and started up in 1995. ...

  • Model 8 oil grabber® removes small amounts of oil from plant drain water

    Problem: Worldwide, Reichhold Chemical Corp. produces some 5600 products. At St. Helens, Ore., they produce three -urea, ammonium nitrate and ammonia. Plant drain water is discharged into the Columbia River, and although oily residues are minuscule because of a concerted program to keep oil off the floors, some is present - drippage from ammonia compressors, vehicles and machine maintenance ...


    By Abanaki Corporation

  • Case study - Dubai labor camp not worried about water

    Installer: Jallad Environmental Distributor: Clearbrook, Inc. With water scarcity as a major concern for the MENA region, the need to reuse wastewater became a major focus for a project located in the labors camp region of Dubai. Consisting of a fluctuating occupancy (between 4,000 to 6,000 workers throughout the year), a decentralized wastewater system was determined to be the best course of ...


    By Bio-Microbics, Inc.

  • ACO’s comprehensive product range delivers value-engineered SUDS solution at new waste transfer station

    ACO Water Management's ability to supply products that cover every process required for sustainable drainage - Collect, Clean, Hold, Release - has delivered a comprehensive, value-engineered SUDS solution for J&J Stanley at its new waste transfer station in Newcastle upon Tyne. By working with a single team on the design of the entire system, the completed scheme - together with each ...


    By ACO Group

  • Water Sustainability

    I7.1  | Water Optimization – 30% Groundwater Use Reduction Tabatha Pellerin, Senior Program Manager, AECOM AECOM assisted the Entergy Lewis Creek gas/coal fired electric power plant with water conservation efforts prompted by a goal of 30% ...

  • Green Strategies: Costs Dropping, Benefits Growing

    It goes without saying that when developing “green” strategies for a company the first thing that’s asked is "So, what"s this going to cost us?"  The assumption is that green strategies – to save energy, to reduce GHG emissions, to reduce water use and waste generation - will always come at a premium, with greater upfront costs compared to traditional (non-green) ...


  • 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.

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