tunnel ventilation News

  • Reducing the environmental impact of construction tunnelling

    The construction industry is among the top three drivers of resource use in the EU. This study investigated the environmental impacts of a common construction method, drill and blast tunnelling, using life cycle assessment. The researchers assessed 20 years of data on tunnelling in Norway to identify areas that could be targeted to reduce its environmental impact. They recommend reduced ...

  • World’s fourth longest rail tunnel gets Crowcon gas protection

    Protection from gas hazards in one of the world's longest rail tunnels is being provided by monitoring systems from Crowcon Detection Instruments. The Crowcon systems are designed to detect potentially flammable and toxic gases before they reach hazardous levels. Crowcon was chosen by Telefonica Ingenieria de Seguridad from a number of competitors as part of the detailed engineering project. ...

  • ComfortSense Mini – Compact and Robust single point anemometer for draught and ventilation measurements

    The ComfortSense Mini is a compact and robust single point anemometer that covers a wide range of applications within indoor climate measurements. Draught rate can be measured according to the ISO 7730 standard. For automotive applications, ComfortSense Mini with a 54T34 Draught probe Manikin can be built into thermal manikins to measure the airflow at a certain point of a body. The 54T33 Draught ...


    By Dantec Dynamics

  • Black & Veatch awarded contract to design tunnel dewatering pump station rehabilitation in Milwaukee

    Black & Veatch, a leading global engineering, consulting and construction company, announced today that it has been awarded a contract by the Milwaukee Metropolitan Sewerage District (MMSD) for the rehabilitation of the Inline Storage System (ISS) Pump Station, which dewaters the district’s 500-million-gallon deep-tunnel storage system. Black & Veatch will provide design, procurement and ...


    By Black & Veatch Corporation

  • Subway stations with platform sliding doors and good ventilation reduce passengers’ exposure to PM2.5

    Underground trains are among the most widely used public transport systems in cities worldwide. A study investigating the chemical composition and source of particles in Barcelona subway stations found that a new station design, with sliding doors that separate the platform from the tunnel and good ventilation, reduced the concentration of fine particulate matter (PM2.5) by over 50% compared with ...

  • Project of the Year award for groundbreaking Olympic Park powerlines project

    The Olympic Park powerlines project has been awarded the Project of the Year award by the Association for Project Management. The Association for Project Management called it a 'groundbreaking project' and presented the award in recognition of the highly complex and challenging powerlines work being delivered to an unprecedented timetable and within budget.  The £250m powerlines project saw ...


    By London 2012

  • Temple secures contract on Transport for London`s Cooling the Tube programme

    Temple Group with offices within London and Sussex, is one of the partners working with TfL on the Cooling the Tube Programme, having secured a contract to provide specialist environmental monitoring on the Victoria line mid-tunnel ventilation upgrade programme. Temple will be supported by Plowman Craven on this project. TfL is investing to address the issue of heat on the Tube. Getting heat out ...


    By Temple Group Ltd

  • New York`s JFK First Airport to Install Geothermal Power

    NEW YORK, New York, October 1, 2007 (ENS) - For the first time, geothermal energy will be used power a building at a United States airport. A police facility at John F. Kennedy International Airport will be coverted to geothermal power to cut greenhouse gas emissions, the New York and New Jersey Port Authority Board of Commissioners has decided. The mechanical, heating, ...

  • New Soldo limit switchbox for high temperature applications

    Soldo Controls, the specialist manufacturer of position feedback devices in the Rotork Instruments Division, has introduced a high temperature extension to its LSB range of compact limit switchboxes for valves and dampers. Manufactured with an aluminium or stainless steel enclosure, the new switchbox has been tested for operation in temperatures up to 250ºC for 2 hours or ...


    By Rotork

  • Rotork actuators perform vital fire safety duty on the Istanbul Metro

    High temperature specification Rotork RC200 scotch-yoke pneumatic actuators have been ordered for a vital fire safety duty in new subway tunnels under construction for the Istanbul Metro. The Istanbul subway system in Turkey is undergoing a significant expansion programme involving 900 kilometres of new routes that are due for completion by 2023. Tunnels on the new routes are fitted with ...


    By Rotork

  • Study finds mines can work for geothermal power

    Is there light at the end of the tunnel for mine shafts slated for closure? Two Spanish engineers say there is, noting that they could be the sites for geothermal energy providing power to towns that need it. Writing in the journal Renewable Energy, the researchers describe the tool that enabled them to estimate the amount of heat a tunnel could potentially offer industry and households. The ...

  • Re-using PVC left-overs the smart way

    A €1.2 million investment in an upgraded recycling facility to handle PVC production left-overs paid for itself in 18 months at Protan Group, the Norway-based manufacturer of roofing foils and ventilation tubes for tunnels and mines. The investment, in equipment from German size-reduction technology specialist Pallmann, came through cost savings and increased capacity. Protan is now running ...

  • Epoxy smoke stymied rescue

    GEORGETOWN — Rescuers did not lower an air supply to five workers trapped inside a smoky hydroelectric conduit until 2 1/2 hours after a fire broke out, officials said Wednesday. The five contractors perished inside the 12-foot-wide concrete-and-steel tunnel Tuesday after sparking a fire in some fresh epoxy they were applying, even though they sent a radio message that they were still all OK an ...

  • Mold Contamination Threatens Billion Dollar Missile Defense System

    Earlier this month, it was reported that workers were battling mold contamination in the tunnels under Fort Greely in Alaska.  Six underground silos that house rockets used to shoot down enemy warheads are reported to be contaminated with mold.  The repairs are part of a $1.16 billion fix to the nation’s missile defense program. The mold growth occurred because water pipes in the ...


    By EMSL Analytical, Inc.

  • Newmarket Campus is in line for an Environment and Sustainability Award

    The Newmarket Campus Innovation Centre is now short-listed for an IPENZ award for Environment and Sustainability, with Building 906 having previously won the Supreme Award at the New Zealand Commercial Projes site are used for heat exchange for process cooling water systems, cooling tower makeup and irrigation at the campus instead of potable mains water supplies. Some of the water is injected ...


    By PaR Systems, Inc.

  • Real-world monitoring of air quality using low cost air quality sensors

    The emergence of sensors capable of measuring the gases and particles that make up air pollution, especially in cities and industrial areas, has driven many academic studies which evaluate the sensors and compare performance against reference methodology. Such projects provide valuable and thorough assessment, but they currently work slower than the pace of low cost sensor system development. In ...


    By AQMesh

  • Pöyry awarded EUR 1.2 million environmental consultancy and assistance services for the Swiss Federal Roads Office

    PÖYRY PLC          Press release 3 March 2011 at 10.00 amPöyry's Water and Environment Business Group has been awarded a EUR 1.2 million environmental consultancy and assistance services contract by the Swiss Federal ...


    By Thomson Reuters

  • Lack of workplace controls for Silica causes concerns and citations

    Recently the U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) proposed penalties of over $100,000 to a steel casting company for alleged serious and repeated workplace violations. These violations included overexposures to airborne silica and a failure to implement engineering or administrative controls for silica overexposures.Silica is a naturally occurring ...


  • M+W Group acquires Senior Hargreaves in the UK

    The global engineering and construction company, M+W Group, has acquired one of the UK’s leading providers of air movement and ventilation ductwork solutions, Senior Hargreaves. M+W Group, which is headquartered in Germany with its UK base in Chippenham, was established a century ago. Today the Group is the leading global engineering, construction and project management company in the ...


    By M+W Group GmbH

  • National Radon Action Month and Occupational Exposure Risks

    The U.S. Environmental Protection Agency (EPA) has designated January as National Radon Action Month. Radon is a cancer-causing radioactive gas that has been found in buildings across the globe. It comes from the natural breakdown of uranium in soil, rock and water and gets into the air people breathe. Exposure to elevated levels of radon over time may increase a person’s risk of ...

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