street cleaning Articles

  • Recovering Wasted Energy: Beneath the city streets

    Sewage heat recovery graphNo one likes to think about it, but city planners and engineers often have no choice but to deal with it, and that’s sewage. Though techniques vary somewhat from place to place and from facility to facility, sewage generally flows down pipes with multiple steps in place designed to remove and treat as many solids as possible, before returning the freshly distilled ...


    By DDI Heat Exchangers Inc.

  • Clean goes green

    Her daughter's eyes were pink and puffy. The child's nose was scratchy and runny. Nancy Figueroa of Jamaica Plain did everything she could to make her daughter well: She bought one medicine after another; did more wash than a 24-hour laundromat; gave to charity her daughter's stuffed animals that might be carrying dust, including the little monkey that young Katherine clung to for comfort. Still ...

  • Dubai's neat streets as rubbish is swept under the concrete

    Underground system is more hygienic and environment friendly Each compactor replaces more than 200 ordinary waste containers Dubai In a major initiative, the Dubai Municipality unveiled its fully automated underground waste compactor project, a clean and safe modern waste management solution which collects waste and compresses it underground using the latest ...


    By HABA Products - Elo Group Oy

  • C Street and Harthorn in Fillmore, Fillmore, California - Case Study

    Project Name: C Street and Harthorn in Fillmore Product: Grasspave2 turf reinforcement mat Application: Stormwater Control/Vehicle Support City: Fillmore ...


    By Invisible Structures, Inc.

  • 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

  • Class-a Office Tower 947 Fort Street Victoria, B.C. - Case Study

    Key Parameters Type of Facility – New Construction Function – Upscale Professional Offices with Retail Area – Six stories, 44,000 sq. ft. Project Completed – 2010 LEED Gold Challenge: Sustainable design. Designing for LEED Gold certification, engineers and owners wanted to add value by ...

  • Class -A office building 2121 K Street NW Washington D.C. - Case Study

    Key Parameters Type of Facility – Existing (EB) Function– Upscale Urban Office Building with Retail,5-Star Restaurant, Fitness Health Center, Underground Parking Area–11-stories, 190,458sq.ft. Project Completed– (HVAC) 2007 Challenge: Increase property value with “green” and ...

  • A Simple Solution to Big Snail Problems - A Case Study at VSFCD’s Ryder Street Wastewater Treatment Plant

    A treatment facility operating on the northern edge of the San Francisco Bay, in Vallejo, California, was experiencing excessive growth of trickling filter snails in the plant’s two biotowers. Downstream of the biotowers, the snail shells would settle in the plant’s aeration basins and secondary clarifiers and cause major maintenance problems. Periodically the entire aeration basin and clarifier ...

  • Clean urban transport can drive emissions cuts

    Here’s a way to save $100 trillion and stop 1,700 million tonnes of carbon dioxide from getting into the atmosphere every year by 2050: cycle, walk or take public transport. A new report by the University of California Davis and the Institute for ...


    By Climate News Network

  • Bawtry, Doncaster - Part IIA case sees High Court ruling on who is liable for contamination clean up

    Seventeen families in a Coventry street faced an uncertain future and major disruption to their lives following the discovery of the highly toxic chemical that had polluted the land on which they lived. The one-acre site was previously owned by the Courtaulds chemicals and textiles group, which used it to store carbon disulphide (CS2) – a raw material in the manufacture of viscose rayon at a ...


    By Landmark Information Group

  • Maps: Navigation or Communication Tool?

    Since we first scratched directions into the dirt, maps have been the go-to when it comes to finding an unfamiliar place or geographical location.  But they can offer more than just an address or walking route. Beyond the directions and street names, maps can tap into our instinctive understanding of the world in a powerful way by using identifiable symbols, geographical ...


    By Arkit

  • Bacteria devours gasoline plume

    The new environmental technology essentially flushes contamination out of the soil. NORTHAMPTON - With hungry bacteria and reusable carbon filters, an engineering company is slowly but surely removing a massive plume of gasoline from beneath a busy section of Pleasant Street. Traffic and business activity haven't had to skip a beat as Penney Engineering, of Mansfield, cleans up the ...


    By Penney Engineering, Inc.

  • The performance of Spanish solid waste collection

    In this paper we examine street cleaning and waste collection services in Spanish municipalities with a population exceeding 50 000. The purpose is to identify factors that influence the efficiency of these services. Three input variables (staff, vehicles and containers) and four outputs variables (tonnage, collection points, collection point density and kilometres of surface area washing) are ...


    By SAGE Publications

  • Removal of Fallen Leaves Can Improve Urban Water Quality

    The timely removal of leaf litter can reduce harmful phosphorus concentrations in stormwater by over 80 percent in Madison, Wisconsin, according to a recent U.S. Geological Survey study. Autumn leaf litter contributes a significant amount of phosphorus to urban stormwater, which then runs off into waterways and lakes. Excessive amounts of ...

  • Analysis of the impacts of an environmental traffic management system on vehicle emissions and air quality

    Environmental traffic management systems (ETMS) are implemented to improve air quality in urban streets. They allow for a situation-related control of light signal systems to optimise road capacities and enhance traffic flow in street sections. Therefore, they are equipped with mitigation strategies and continuously provided with traffic and air quality data. In this context, it is ...


    By IVU Umwelt GmbH

  • Intraurban variability of Ambient PM Arsenic and other air toxics metals case study

    The Missouri Department of Natural Resources (MoDNR) and Washington University participated in a project to collect and analyze air toxics metals data. It was funded through a Community Air Toxics Grant from the U.S. Environmental Protection Agency (USEPA). The study grew out of the southside St. Louis Community Air Project (CAP) which identified six hazardous air pollutants of concern including ...

  • Evaluation of treated sewage reuse potential and membrane-based water reuse technology for the Bangkok Metropolitan area

    Only 3.4% of total water use in the Bangkok Metropolitan area is reused treated sewage. This study anticipates that further treated-sewage reuse in industrial sectors, commercial buildings and public parks, in addition to present in-plant and street cleaning purposes, would increase total water reuse to about 10%. New water reuse technologies using membrane bioreactor (MBR) and microfiltration ...


    By IWA Publishing

  • Case study - Landfill leachate treatment

    The Client The client is part of a group operating at an International level in many sectors and is highly experienced in many aspects of environmental services. The company provides the Region with many different services including street cleaning, waste collection and transport, graveyard services, public gardens maintenance, building and management of waste disposal plants, ecological ...


    By EVALED-Evaporator

  • Green Water Infrastructure

    Stormwater runoff is a major cause of water pollution in urban areas. When rain falls on roofs, streets, and parking lots, the water cannot soak into the ground. In most urban areas, stormwater is drained through engineered collection systems and discharged into nearby waterbodies. The stormwater carries trash, bacteria, heavy metals, and other pollutants from the urban landscape, degrading the ...


    By IWA Publishing

  • Seattle, WA - Rapid PCE remediation for Brownfield redevelopment - Case Study

    Brownfield Redevelopment in South Lake Union Area of Seattle Project Summary TRS Group, Inc. (TRS) designed, installed and operated an electrical resistance heating (ERH) source area remediation project at a former commercial laundry and dry cleaning facility in the rapidly growing area of South Lake Union in Seattle, WA, The scope of the remediation was to ...


    By TRS Group, Inc.

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