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Michael Cawley

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  • Comment on: Govt calls supply chain in for more meetings as Carillion crisis deepens

    Michael Cawley's comment 2 March, 2018 8:08 pm

    Airflow Developments has opened its head office in High Wycombe. The company says the facility has been designed to showcase the benefits of effective ventilation systems in both domestic and commercial properties, and to help educate and train attendees on best practice installation methods, as well as demonstrate Airflow's technology. The academy practices what it preaches from fully operational MVHR installations to show the importance of specifying the correct systems. Air quality in the High Wycombe building is provided by the company's Duplexvent commercial mechanical ventilation with heat recovery units, regulated by sensor technology and featuring the frim's VAV dampers for zonal control, from the cooling to the lighting,” said Airflow managing director. The facility also measures temperture, humidity, CO2 and nitrogen oxide in real time, as the company seeks to highlight how both personal wellbeing and workplace productivity can be improved with better indoor air. “We wanted to make the facility relevant to the first to open a facility that reports on air quality we believe.” “It's a facility that also helps us to provide first-class training and education on how to comply with legisation and best practice procedures when it comes specification and installation.”
    The company has also used the facility to showcase its energy saving, installating an air source heat pump tigether with solar PV and underfloor heating to provide energy, heating and – where necessary – additional cooling. The windows are fitted with shading film to reduce the solar gain. “We wanted to be a company that doesn't just preach about energy savings, but practise it too.” “We will invest in energy storage as well when it becomes more economic to install the battery technology. That way, we can make the most of the energy generated at weekends.” The company has launched a suite of products in time for the Academy launch. The Duplexvent Multi eco is an additional to the range of commercial MVHR units. The units, from 500 cu m/hr to 7,800 cu m/hr, comply with regualations as well as the expected incoming legisation. They can recover up to 93 percent of other wise wasted heat at a sound output of 38 dB, which Airflow describes as “practically silent”. Air quality can be controlled a choice of G4, M5 or F7 air filters and the Multi eco can be fitted with Airflow's unique VAV damper system, which enables the user to adjust the building's ventilation based on zonal demand, without having to use BMS integration. The company is particularly excited about its VAV damper systems, which constantly monitor the air volume supplied and share this information with the ventilation syatme is able to respond to the demands of each area of a building. Airflow has also launched a new version of its popular Adroit whole-house ventilation units. The DV245 MVHR unit is Passivhaus-certified and is smart controllable Adroit Cloud, using Four operating systems: Home, Away, Rapid or fireplace. It can also integrated into house automation systems.

    Where there's a wheel
    Due to the success enjoyed by the Team GB cycling teams in the Olympics, as growing intrest inhealth and fitness, the road bike is fast becoming an increasingly popular method of transport for commuters. A survey into cycling habits by the Bristish Council for Offices found that 39 percent of cyclists cycled to work every day. As a result, an overwhelming majority of respondents said there had been an increase in demand for cycling facilities in offices, with showewrs being the most sought-after. Perhaps the most intresting finding, is that more than half of the cyclists that the quality and availability of workplace cycle facilities facilities influenced their career decisions. Forward-thinking companies are already recongnising the benefits of looking after the wellbeing of their staff by making such provisions and, especially if it will help them attarct a skilled workforce, others may follow suit. This presents signifiacnt opportunities for heating engineers, who can marry the demand for shower facilities with the drive towards energy-efficient buildins. Traditional commercial systems employ a boiler, which generates space heating and heats a calorifier to produce hot water. Installalling a higher output boiler would naturally accommodate a higher demand for both hot water and space heating, but while demand grows for hot water, the need for space heating is declining somewhat. Higher levels of insulation in modern buildings mean less heat is lost, so central heating can run at lower tempertures for a shorter time. This, coupled with the popularisation of underfloor heating systems, which work at lower tempertures than radiators, mean that high output boilers are not always the most suitable choice.

    Where there's a wheel part Two
    Separate solution
    One solution is to install a separate, dedicated water heater to cater to the hot water demand without wasting excess energy on heating. Separate space heating and hot water systems generally consumption and carbon emissions because the hot water energy load can be more suitably matched to the water output. On top of this, since water heated from a low mains temperture supply, high levels of condensing can be achieved, contributing to furthur savings. And let's not forget either that heating system boilers can be switched off in the warm summer months and thus the electrical consumption of boilers, primary pumps and secondary pumps can be reduced. We believe that a direct gas-fired storage water heater is perfect for such commercial applications as office buildings. Typically, the heat exchanger is located within the staorage cylinder so heat is transferred directly into the stored water. To further improve efficiency levels, this sort of water heater is deigned to heat water energy from the combustion process and to collect latent heat from the condensing of the flue gases from within the heat exchanger. We will shortly be launching an improved version of our Sized-it tool, wich will be more user-friendly and informative than before, allowing installers to select the most appropriate product for the job, along with all the information and legislative guidance that specifiers need. By staying on top of insustry trends and specifying products that not only meet these needs, but also assits commercial building managers in energy targets, heating engineers can considerably maximise their business opporitunies

  • Comment on: Carillion liquidation raises supply chain fears

    Michael Cawley's comment 2 March, 2018 8:06 pm

    Educating free cooling Trane adds PV

    Trane has introduced Airfinity Solar, a scalable and pre-packaged solution of solar PV panels compatible with Trane Affinity range of heating, ventilation and air-conditioning rooftop units. The new solar rooftop system offers a new way for building owners across Europe to implement a sustainable energy solution and reduce operational costs and is compliant with BREEAM and LEED. Dominique Silva, the unitary product manager at Trane in Europe, says “ systems consume valuable power during peak times when solar energy is most available. By installing the solar panels to power the equipment, the building reduces carbon emission and peak time electricity consumption.

  • Comment on: Climate body: UK government must “firm up” Clean Growth heat aims

    Michael Cawley's comment 2 March, 2018 7:43 pm

    Air pollution is known to affect peoples health.  Legislation introduced since the first Clean Air Acts has gone a long way towards improving the quality of the air we breathe.  Historically, the large-scale industrial burning of fossil fuels in our cities was the main concern.  In more modern times, however, the main threat to air quality comes from road traffic.
    The Government introduced a series of Air Quality Objectives for seven key pollutants.  For most pollutants, there is not believed to be a risk to health providing that concentrations remain below the objective levels.  Lately, it has been recognized that some pollutants have no safe threshold, and health effects have been observed at even very low concentrations.
    Air pollution levels in Cheshire East are not likely to cause health problems for the majority of people. During times of high air pollution, however, it is possible that some people may experience symptoms such as eye irritation or coughing.  Some people who are more sensitive to air pollution may feel the effects more severely, or at lower levels.  Those likely to be more sensitive include those who suffer from heart and lung disease including asthma and bronchitis, especially young children and the elderly.
    You can download Government Advice on the health effects of air pollution from the Defra website.
    You can read a summary of the Government's health advice.
    The United Kingdom Government has produced an air quality index to describe the health impact of the different levels of pollution, especially on sensitive individuals.  The bands have been set using the latest research on the medical effects of air pollution on health and are intended to simplify air quality information.

    Automatic Monitoring Sites
    The Council currently has automatic analyzers, one located in Disley and the other is to be relocated shortly.
    These units provide high quality, real-time data which can be used to analyze patterns and try to find out more about the characteristics of the pollution as it varies over time.  This information is extremely useful for identifying causes of pollution and highlighting where efforts need to be targeted to reduce air pollution.
    Whilst providing high-quality data, this equipment is expensive to purchase and maintain and often compromises have to be made in terms of its location for logistical reasons.
    Each of our monitoring sites measures levels of nitrogen dioxide

    Passive Diffusion Tubes
    Diffusion tubes are a relatively cheap, convenient and pollutant-specific method of monitoring many different types of air pollution.  The tubes are small and can be located exactly where we need to monitor.  They are useful for providing longer-term measurements and observing trends in pollution concentrations.
    Tubes can be placed on the suitably located street furniture around the Borough.  It is not possible to measure inside as there are too many internal sources of nitrogen dioxide.
    The convenience of diffusion tubes comes with two main disadvantages. The main disadvantage is accuracy, and of course, we only get one number representing a whole month, meaning it is not possible to examine daily or weekly fluctuations.
    We currently monitor nitrogen dioxide and benzene diffusion tubes.
    Diffusion tubes passively absorb the pollutant to which they are exposed in a given place over a given time.  There are no pumps or complicated technologies involved; tubes are exposed, normally for a month, resealed and sent to a laboratory. The laboratory then completes the analysis of the tubes using nationally agreed procedures.
    The monthly results are then adjusted at the end of the year to take account of laboratory and other inaccuracies, and a single annual mean figure is produced.  This figure is used for the purposes of review and Assessment and comparison with the Air Quality Objective.

    Air Quality review and assessment
    The United Kingdom Government published its strategic policy framework for air quality management in establishing national strategies and policies on air quality, which culminated in the production of the Environment Act. Under Part IV of this Act, the Secretary of State adopted a National Air Quality Strategy, designed to provide a framework for air quality management and control through specific air quality standards and objectives required to be achieved throughout the United Kingdom.
    The Act requires Local authorities to undertake a regular review and assessment of the air quality within its area, and assess levels of air pollution against the air quality objectives.  Where levels are found to be in excess of these objectives, the authority must declare an Air Quality Management Area and through the action plan set out the measures, it intends to take to work towards achieving the objectives.
    Cheshire East Council has completed all statutory reports up to and including the Updating and Screening Assessment.
    From onwards Defra requires councils to submit a single Annual Status report.  The and Annual Status Reports have been submitted to Defra. The Annual Status Report has been approved by Defra and can be found below.

    Animal Welfare and Licensing
    Under the Animal Welfare Act, it’s against the law to be cruel to an animal. If you own an animal, you must ensure that its welfare needs are met.
    Choose a link from our navigation menu to apply for animal licenses issued by Environmental Health.
    Reporting stray dogs and cats
    The Dog Warden Service can assist with stray, fouling, barking or aggressive dogs. Find out more.The Council does not deal with stray cats but you can contact the RSPCA below.
    Reporting cruelty to animals
    If you suspect an animal is being neglected or subjected to cruelty, take note of what you've seen. Then phone the Royal Society for the Prevention of Cruelty to Animals’ -hour cruelty and advice line. You’ll be asked to give a detailed description of what you have seen or heard. Organizations like the RSPCA may request the help of the Council or the police if they need to gain access to a property or are physically threatened by the owner.