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

  • Shredding tyres stops zika virus breeding

    Zika is a dangerous disease threatening millions of people today in southern hemisphere. It is spread mostly by the bite of an infected Aedes species mosquito (Ae. aegypti and Ae. albopictus). These mosquitoes bite during the day and night. Once you get bitten it is too late to do much but what is important is to prevent this mosquito from breeding. Mosquitos typically lay eggs near water because ...


    By Tana Oy

  • 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.

  • A Critical Evaluation of the South African Air Quality Offsets Guideline

    There is wide recognition in South Africa to the link between the quality of life and quality of the air we breathe. The Department of Environmental Affairs (DEA) attempts to improve air quality through two key regulatory tools; emission limits, which regulate the maximum concentration of certain pollutants permissible within certain, ‘listed’ industrial stacks or vents, and ambient ...


    By WKC Group

  • 100 Simple Ways To Save Water

    To improve water conservation install a rain sensor, it turns off your irrigation when it rains. Use a weather-based controller. The use of smart controllers can reduce water usage 24% a year on average. Learn about available rebate programs ...


    By Jain Irrigation, 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

  • Financing the Clean Water Atlanta Initiative

    ABSTRACTOver approximately a 15-year period, the City of Atlanta will invest nearly $4 billion in its water and wastewater infrastructure, in part to ensure compliance with Consent Decrees entered into in the late 1990s related to Combined Sewer Overflows (CSOs) and Sanitary Sewer Overflows (SSOs). This investment has occasioned execution of a strategic financial ...

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