clean construction Articles

  • Water cleaning and wetland construction

    Slippery Rock University's Macoskey Center for Sustainable Systems has served as an ideal locale for the study of biological waste and wastewater concerns in Western Pennsylvania. The Center's constructed ponds, waterless composting toilet and indoor greywater treatment system produced, in 19982000, great amounts of data on ecological approaches to wastewater treatment, which need to be reviewed. ...


    By Inderscience Publishers

  • Treating drinking water with 99% removal - Case Study

    QED E-Z Tray® Air Stripper Treating Drinking Water with 99% Removal in Cedarburg, Wisconsin In October 2011, the Cedarburg, Wisconsin Light and Water Utility installed a QED E-Z Tray® (U.S. Patent Number 5,518,668) Air Stripper in a discreet addition to their existing production pump building. The E-Z Tray 72.6 handles a flow rate of ...


    By QED Environmental Systems

  • Innovas Project Update: Memorial Hospital of South Bend

    Innovas recently commissioned Helios Tube Cleaning Systems at Memorial Hospital of South Bend, servicing eight Trane chillers, including four new 900-ton chillers and retrofits to four existing chillers.  The chilled water plant provides more than 5,600 tons of cooling capacity for Memoral Hospital of South Bend and the adjacent Memorial Children’s Hospital. As part of the chilled ...


    By Innovas Technologies LLC

  • Transformation of the waste business influences all business owners

    Even if recycling was expensive and unprofitable in the past, it will not be that in the future. We need to stop landfilling valuable materials for the sake of our business and for the sake of the globe. A huge, global transformation in waste management has already begun. The biggest driver of change is related legislation that makes us shift towards recycling and material recovery. The pace ...


    By Tana Oy

  • Importance of Inspecting Reservoirs

    Inspecting Reservoirs – what is the importance of them, why they are inspected, and how ROVs help pave the way for low-cost, regular maintenance. What is a Reservoir? Deriving from the French word réservoir meaning “storehouse,” a reservoir is exactly that – a storage place for water. More often than not, these bodies of water are ...


    By Deep Trekker Inc.

  • Essential Tips For Construction Equipment Cleaning

    Construction equipment cleaning is one of the most underestimated jobs in the construction industry. Cleaning of the construction equipment does not receive the due attention it deserves. Successful construction companies, though, ensure that construction equipment are cleaned thoroughly and professionally. The managers of these companies know that efficient and long lasting machines are ...


    By Daimer Industries Inc.

  • Case study - port construction

    Location: Georgia Year: 2011 Working context The project consiste in the widening and cleaning of a commercial harbor in Georgia The Problem Find a very flexible equipment able to work with working depth up to 15m and discharge distance from 200mm and 600m Our ...


    By Dragflow North America

  • Geotextiles in Construction Dewatering

    Woven geotextiles work wonders in dewatering applications as wraps around well screens and sump pit screens. The textile can be sewn into sleeves or tubes to be slid over the well screen or sump pit framework. This technique allows the user to compensate for well screens with slots that are too large or for sump pit piping with large perforations. By adding the geotextile sleeves the user ...


    By Griffin Dewatering

  • Constructed Wetlands I

    Traditional constructed wetland are shallow planted basins for cleaning anthropogenic discharges (wastewater or polluted runoff). They were used for cleaning of: domestic wastewater agricultural wastewater coal mine drainage stormwater runoff The main construction elements were: inflow ( e.g. sedimentation part) substrat (soil ...


    By IWA Publishing

  • Case study - port construction

    Location: Georgia Year: 2011 Working context The project consiste in the widening and cleaning of a commercial harbor in Georgia The Problem Find a very flexible equipment able to work with working depth up to 15m and discharge distance from 200mm and 600m Our Solution Dragflow Dredge ...


    By Dragflow S.r.l.

  • Chemical cleaning case study

    The passivation solution used was chosen by the customer following extended negotiations with their client relating to the advantages of Citric Acid over the use of Nitric/Hydrofluoric and the relative safety features of each solution. Progressive Technical Services opted to use a three dimensional rotating tank washing machine and a specialist high head pump normally associated with the cleaning ...

  • The natural way to clean wastewater

    John Todd founded Ocean Arks International in the 1980s, where he started to experiment with processes that mimic natural ways to purify wastewater. He built a greenhouse and ran sewage through a series of tanks, with plants suspended in the flowing waters, and constructed marshes made of sand and gravel. No chemicals were added, but plenty of aquatic creatures from snails to small fish were ...


    By BioCycle Magazine

  • Is `clean` coal possible?

    VANCOUVER, April 18, 2007 (GLOBE-Net) - Coal is the world’s most commonly used fuel to produce electrical energy, and will continue as such for some time. Yet it is one of the ’dirtiest’ of all fossil fuels. It is a major source of toxic air pollutants and the leading source of energy-related greenhouse gas emissions. Many believe ’clean coal’ technologies will improve the energy efficiency of ...


    By GLOBE Foundation

  • The Clean Energy Voyage

    The United Nations Climate Convention meeting in Warsaw, Poland, comes with less than two years to go for governments to deliver on their promise of a universal new agreement by 2015 - this is the time for ambition rather than caution to define the international climate negotiations. We have in some ways been here before: the Copenhagen UN climate conference was also scheduled to deliver a ...

  • Coming Clean with the Environment

    Long Island is a long, slender island located directly east of Manhattan in the southern tip of New York State. In the 20th century, the north shore of Long Island earned the nickname of “Gold Coast” and attracted large private estates of the likes of the Vanderbilts, Roosevelts, Whitneys, Charles Pratt, J. P. Morgan, F. W. Woolworth, and others. The western end of the island includes ...


    By WesTech Engineering, Inc.

  • Post Construction Cleanup and Restoration with Gas Pressure Washers

    After the completion of construction, the building or structure has to be thoroughly cleaned, removing excess grime and dust from walls, floors, sidewalks, and similar structures. One way to achieve fast and efficient cleaning is through the use of a powerful gas pressure washer. You may use an electric pressure washer as well, but most contractors use a gas pressure washer as these machines do ...


    By Daimer Industries Inc.

  • Are constructed treatment wetlands sustainable sanitation solutions?

    The main objective of sanitation systems is to protect and promote human health by providing a clean environment and breaking the cycle of disease. In order to be sustainable, a sanitation system has to be not only economically viable, socially acceptable and technically and institutionally appropriate, but it should also protect the environment and the natural resources. ...


    By IWA Publishing

  • Prevent hospital acquired infections during construction projects

    The issue of hospital acquired infections is a serious problem. According to several sources, three to four million hospital-acquired infections occur annually, with up to 80,000 fatalities. The costs of these infections are estimated to be between $4 billion and $5 billion per year (Air-Treatment Systems for Controlling Hospital acquired Infections, HPAC Engineering, April 2, 2008).Healthcare ...

  • Waste Minimisation and Recycling: Fletcher Construction Australia

    A test project involving simple, practical waste minimisation and recycling measures, has helped Fletcher Construction cut its waste removal cost by more than half. The measures did not involve any capital cost, but they have resulted in substantial savings to both the company and the environment: savings of 55% were achieved on waste removal costs through recycling and input reduction, which ...


  • Simple Separation: Diverting Wood And Cardboard at Construction Sites

    Diverting Wood And Cardboard At Construction Sites Residential home construction in Wisconsin generates 128,000 tons of residuals annually, according to a 1998 study by Camp, Dresser & McKee. Ten builders are participating in a project to demonstrate how easily major components of this waste stream can be recycled. The Metropolitan Builders Association (MBA) of Greater Milwaukee, the ...


    By BioCycle Magazine

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