building control Articles

  • Cost Effective Multi-Purpose Horizontal Wells

    A question commonly posed to Directional Technologies from our environmental consulting clients: “Can one horizontal well be designed for more than one remedial application?” The answer is “yes.” Horizontal wells are utilized for many diverse remedial methods: air/oxygen/ozone sparge, soil vapor extraction (SVE), multiphase extraction (MPE), in-situ chemical oxidation ...

  • Plume Control under a City Building

    Subsurface remediation in a big city setting is complicated. Limited work space, heavy traffic, noise restrictions, and a dense network of utilities are just some of the factors that conspire to make the installation of any in situ plume control or plume reduction system a seemingly unsolvable logistical puzzle. Horizontal wells placed directly beneath a building can provide protection from soil ...

  • Controlling Mold Growth in Buildings Prevention and Control Strategies

      In background quantities, molds can be found everywhere-in air, water, our homes, our clothing and even on our pets. They are present in such small numbers that they don"t trigger reactions in humans, except in ultra-sensitive individuals. But, when molds find the right combination of ...

  • Asbestos in Buildings: Practical Guidelines for Building Owners

    Practical guidelines for building owners Overview Friable asbestos-containing materials are present in many public and commercial buildings, schools and factories built before the mid-70's. Regulations in Ontario and some other provinces require building owners and property managers to put in place asbestos control programs, once they are aware of the presence of friable asbestos-containing ...


  • Sick-building syndrome and building-related illness

    Significant health problems linked to very poor indoor air qualityIndoor Air Quality (IAQ) deals with the content of interior air that could affect health and comfort of building occupants. The IAQ may be compromised by microbial contaminants (mold, bacteria), chemicals (such as carbon monoxide, radon), allergens, or any mass or energy stressor are more prevalent than anyone could have predicted. ...

  • Corrugator Wastewater Design Build

    Featured Wastewater Treatment Case Study Corrugator Wastewater Design Build Cost Reduction = $ Increased Profit $ A Pre-Print ...


    By Integrated Engineers Inc.

  • Building Science Issue (Attic)

    Client: Upscale Custom Home Builder  Location: Florida Gulf Coast  Completion: Sept thru Oct 2007  Corrections Cost: ~$25,000 Key Project Team: Timothy Toburen Indoor Environmental Technologies (IET) was retained by the builder to determine the cause of excessive sweating ...

  • Home, Sweet Wastewater Building

    How can a wastewater treatment plant embedded into a neighborhood not use much landmass and be environmentally friendly and user-friendly all at the same time? One system aims to do all of the above. Why should a wastewater treatment plant always have to look like, well, a wastewater treatment plant?  A visual trip through project files of Aqueonics Inc., based in Greenville, SC, reveals photos ...


    By Aqueonics, Inc.

  • Mold, Mold Growth and Buildings

    Concern about mold exposures in buildings continues to be a significant issue. The bottom line is that mold has been around for eons and is not going away.  It will grow whenever and wherever buildings get wet and materials suitable for mold growth are present.  The following paragraphs are meant to shed light on mold issues related to microbiology, health and safety, moisture control, ...

  • Building a Perfect Purification Platform

    Dart NeuroScience is one of the largest privately owned biotech companies in San Diego with around 250 employees – and we have an interesting focus: memory. More specifically, our aim is to develop new technologies and therapies that can maintain or improve memory function and cognitive vitality. Much of our research is built on the work of ...


    By Waters Corporation

  • Green Buildings: Economics and Policies

    Introduction Green building has received increased attention over the past decade from both environmental economists and policymakers. While there is no single definition of “green buildings” or its related policy, researchers and organizations tend to emphasize resource efficiency in building and reducing the impacts of buildings on human health and the environment. ...


    By Oxford Journals

  • Building Sustainable Sanitation Systems

    A low cost system of resource management such as composting toilets is helping to mitigate many of Haiti’s social and ecological challenges. The Caribbean Republic of Haiti — the poorest, most environmentally degraded country in the Western Hemisphere with a population of about 10 million — is a case study in forestry and soil fertility mismanagement. A colonial ...


    By BioCycle Magazine

  • Controlling condensation - controlling mold

    You know those water stains on the ceiling tiles in your office that you are certain are caused by a leaky roof.  Of course, the maintenance man thinks your crazy, since your office is not on the top floor.  He dutifully changes the ceiling tile and a month later the water stain is back but this time it has those little black circles that look like mold colonies. Sound familiar? There ...

  • Control water – control mold

    There is no single universal way to eliminate all mold growth. But the single most effective method of controlling mold is to eliminate their source of moisture. Moisture doesn’t just mean actual water; it can also be high humidity. Few molds grow when the humidity is under 70%. If they do, it is very slowly. It is safe to say that you cannot stop mold growth until you stop the moisture. ...

  • Intellisenc Building Air Quality Controllers control CO2, CO, VOC, O3, Humidity and temerpature.

    The quality of the air we breathe indoor (Indoor Air Quality, IAQ) is typically defined by the air chemical or gas composition and particulates. The sensors available today for sensing the gas composition of IAQ have many features and options. There is a wide application base for IAQ sensing with the most common being the regulation of HVAC ventilation systems for lower energy cost. Using an IAQ ...


  • Controlling condensation- controlling mold

    You know those water stains on the ceiling tiles in your office that you are certain are caused by a leaky roof. Of course, the maintenance man thinks your crazy, since your office is not on the top floor. He dutifully changes the ceiling tile and a month later the water stain is back but this time it has those little black circles that look like mold colonies. Sound familiar? There seems to be ...

  • Some buildings are smarter than others

    What's the ideal construction strategy for a sustainable future? John Coutts explores the rising potential of intelligent buildings. Officially known as 30 St Mary Axe, London, Sir Norman Foster's landmark tower for Swiss Re may be better known as the 'Gherkin' because of its eye-catching profile, but it's also a landmark in terms of sustainability. The Gherkin is one of the most ...


  • From “Light Green” to Sustainable Buildings

    As more people move to urban areas in search of economic opportunities, the number of buildings that are needed to house them continues to rise. It is estimated that by 2030, an additional 1.4 billion people will live in cities, of which 1.3 billion will dwell in cities of developing countries. The increasing number of buildings has long-term impacts on both the environment and natural resources. ...


    By Worldwatch Institute

  • Building Services Management - Air Sampling -

    Untitled Document Maintenance professionals are often the first responders to mold complaints in their facilities. building occupants can be exposed to fungal (mold) ...


    By EMSL Analytical, Inc.

  • HQ to be the first Chilean building achieving LEED green building certification

    Transoceánica headquarters use a system of energy efficiency that incorporates passive design and solar reflection. The new headquarters for private equity firm Empresas Transoceanica in Santiago looks nothing like a conventional commercial set up. But it is expected to use just one-fifth of the energy of a comparable Chilean office. A wood-wrapped north facade deflects solar ...


    By Vital Efficienci Ltd.

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