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"boiler"

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School Heating Renovation

School Heating Renovation

Kompozit'All UK

application area: commercial gas heatinguse type: condensing gas boilersproject scope: line commercial freestanding chimney for condensing operationadded value: corrosion-resistant, air-tight and waterproof finishBackgroundThe combustion gases from the school's boiler room are exhausted through a freestanding 28-metre brick chimney. The structure was not suitable for the wet operation of condensing boilers. FuranFlex-25 Black was the chosen lining material.The new boiler plant required a 500mm diameter flue liner but the chimney could not accommodate a rigid liner this size. A FuranFlex25 Black liner was therefore specified as it expands into the rectangular flue shape when inflated with steam.Statement of workFuranFlex25 comes as a folded and soft tube. Inflating with steam irreversably hardens the liner fixing it in place. Within a few hours of steaming the liner was ready for connecting to the boilers. The appropriate adaptors/terminals were fitted making the chimney ready for operation.
VortexAir Hybrid exceeds expectations at family home in Hampshire

VortexAir Hybrid exceeds expectations at family home in Hampshire

Grant Engineering (UK) Ltd

In Autumn 2018, the heating system for a rural property in Hampshire was upgraded during which a Grant VortexAir air source heat pump/ oil boiler hybrid was installed. The installation of this innovative heating product now keeps the household warm, cleverly combining renewable energy with the trusted elements of an oil boiler.
Taylor Wimpey Case Study

Taylor Wimpey Case Study

Calor Gas Ltd

"Being able to use our standard house design was key – LPG boilers fitted perfectly, which meant we didn’t have to redesign each property." Chris McTague Engineering Manager at Taylor Wimpey Midlands
The Royal United Hospital

The Royal United Hospital

Zip Water

The Medical Assessment Unit (MAU Ward) was having continuous issues with its old countertop water boiler. Due to excessive scale damage it was repeatedly out-of-use and the taste of the water it dispensed was increasingly unpleasant. Kevin Ferguson, Assistant Practitioner on the ward, was on the look-out for an alternative drinking water solution.
Town Council Heating Repair

Town Council Heating Repair

Kompozit'All UK

application area: commercial heatinguse type: industrial condensing boilersproject scope: preserve rectangular flue shape and maintain lined diameteradded value: quick and efficient installation with minimal downtime and disruption to the building structureBackgroundTwo new high efficiency condensing boilers fitted into the basement of a nine-story office block (Dublin Civic Offices, Ireland) using two separate brick lined chimneys that rose through the nine floors and exited on the rooftop.The brick chimneys posed a problem as the chambers measered 300mm x 450mm no standard 350mm flue liner would fit. Due to the pliability of Furnflex, the liner was able to take up an oval shape in the chamber giving it the full 350mm required. This building is an extremely busy high-profile office block therefore minimum disruption to day to day business was required.Statement of workFollowing an onsite survey, Furanflex was deemed the ideal solution to line both chimneys. The installations were carried out over two weekends, one for each chimney, with no disruption to the office operations. The project completed on time and within budget.
Saltram House, Plymouth

Saltram House, Plymouth

Geberit Sales Ltd

National Trust owned, Saltram House is a magnificent stately home in Plymouth. Home to the Parker family for several generations, Saltram comprises an elegant Georgian façade built around a much earlier building. One of many National Trust premises to get a renewable makeover as part of a general drive to improve the environmental credentials of its buildings, Saltram is now home to a biomass system. Plumbed together using Geberit Mapress Carbon Steel, the new heating consists of 220kW and 95kW boilers fuelled by pellets.
Energy Efficiency Case Study - Hot Water Generation and Distribution Systems

Energy Efficiency Case Study - Hot Water Generation and Distribution Systems

nVent Thermal Management

There are two options to compensate for the heat loss in hot water distribution pipes: using a temperature maintenance cable or a re-circulation pipe. Which option is more sensible from an energy point of view, when using a condensing boiler for hot water generation? A study by the Technical University in Dresden addresses the question of which option is more energy-efficient.The results presented show that a single pipe hot water system that compensates for heat losses with a self-regulating temperature maintenance cable is a better solution.
Booking.com

Booking.com

Billi UK

When Booking.com decided to move their offices to a prime location in Central London, they required a full fit-out. They appointed HLW International, who specified Billi Taps for their main kitchen area, and another tea-point within the office space. Booking.com opted for Billi Quadra Plus 15. With a drainage font in chrome and a gloss finish, the tap delivers instant boiling and chilled water from an XL lever tap at just a touch of a finger, and hot and ambient from a second sink mixer tap – all this from a single under counter boiler unit.
Kingspan Flooring For New Civic Offices In Rochdale

Kingspan Flooring For New Civic Offices In Rochdale

Kingspan Data & Flooring

Nearly 13,000m2 of Kingspan access flooring is being installed in new civic offices for Rochdale Metropolitan Borough Council being built by Sir Robert McAlpine. The Kingspan RMG steel encapsulated flooring has a finished floor height of up to 400mm to contain a range of M&E services, including a sealed air plenum system to provide air conditioning, pipework from a biomass boiler to generate sustainable heat, and further pipework carrying rainwater collected from the roof and recycled for toilet flushing. Kingspan began the installation towards the end of March and it is due to be completed in 20 weeks.
LOCAL AUTHORITY - TECTITE FLEXIBLE

LOCAL AUTHORITY - TECTITE FLEXIBLE

Aalberts Integrated Piping Systems Ltd (Pegler)

THE PROJECT BRIEF: To install a high performing and reliable system with minimal disruption to residents. Rising concerns with regards to copper theft and fluctuating tube costs also needed to be taken into consideration. THE SOLUTION: The Tectite Flexible Metal System by Pegler Yorkshire combines Multi-Layer Composite Pipe and metal push-fit fittings. This combination results in the flexible, flame free and efficient installation associated with PEX systems, whilst providing the performance and integrity of a traditional soldered system. Performance offered by Tectite Flexible Metal enables a connection to be made directly boiler, something other flexible systems cannot claim.
The HOOLA

The HOOLA

Schöck Ltd

The 'HOOLA' in Tidal Basin Road in East London, gateway to the soon-to-be regenerated Royal Victoria Docks area, has transformed a brownfield site into two rippling 23 and 24 storey glass towers, that offer 360 apartments with a mix of studios, along with one, two and three-bedroom units.The buildings are super-insulated and the concrete frame will act as a heat sink – absorbing heat on warm days and releasing it back into apartments when it cools. An innovative link-up with the neighbouring ExCel Exhibition Centre will also see excess heat piped directly into the two towers. This will provide all the necessary heating and hot water requirements and significantly reduce maintenance costs by doing away with the need for individual boilers. A critical design requirement for such a super-insulated building was the avoidance of any risk of thermal bridging at the many concrete-to-concrete balcony connectivity points – so highly efficient structural thermal breaks were required throughout. The preferred solution was the Schöck Isokorb® T type K for cantilever balconies.Luke Smerdon-White, Technical Director at Thorp, takes up the story: "We had to design, manufacture and deliver 1410 precast concrete balcony sections that had to then be cast integrally with the in situ concrete structure." "The exposed front-face is curved, with almost 50 different dimensional configurations, while the internal face has a facetted line that had to correlate with the glazing line and opening doors."
White & Co, Battersea Power Station

White & Co, Battersea Power Station

Armourcoat Ltd

The striking interior was designed by LaVita Style and features Perlata providing a rich, yet elegant finish to the walls in the reception area and corridors. The design uses light and shade to reveal subtle textures and tones resonating a calm and reassuring atmosphere. Working to a soft colour palette the use of additional custom ArmourFX Granite polished plaster panels to the front desk creates a stunning first impression.Lucy Walker, interior designer at Lavita Style Ltd comments “We chose Armourcoat for this project for their specialist expertise and creativity and were absolutely delighted with the end results. We wanted to create a striking yet welcoming reception and waiting area and this was achieved through Perlata’s beautiful finish in a range of tones and colours. Armourcoat realised our vision throughout the whole design process and delivered seamlessly. I would certainly choose Armourcoat for any future projects”The new dental practice, White & Co is part of the innovative redevelopment work to convert the Grade II* listed legendary landmark into a unique blend of residential, commercial, and cultural spaces. Armourcoat has also been specified in various other projects within this exciting development including the Boiler House and Switch House West where Armourcoat Tactite was applied within various bathrooms, ensuites and powder rooms and Embassy Gardens which included Armourcoat Koncrete finishes to entrance areas and columnsClient: White & Co, Battersea Power Station, London Designer: La Vita Style @lavitastyleltd Contractor: Apollo Interiors Photography: Mark Bolton @markboltonphoto
Severn Trent Operation Centre

Severn Trent Operation Centre

Armourcoat Ltd

Severn Trent Water’s new £60m operations centre in Coventry, which aims to set new industry standards with one of the lowest carbon footprints for any UK office building, incorporates equally eco-friendly Armourcoat polished plaster.Designed by Birmingham-based Webb Gray Architects, and built by BAM Construction, this highly-sophisticated energy efficient building featuring the latest eco-technology. Designed for low-energy and low-carbon consumption, the offices include thermal adaptive cooling, biomass boilers, photovoltaic panels, solar panels and rainwater harvesting; justifiably achieving a BREEAM ‘excellent’ rating.Armourcoat was used within the reception and main atrium space, to create a stunning and original design statement. Totaling nearly four hundred square metres of hand-applied decorative plaster, Webb Gray specified colourfade artwork for feature panels and curved walls using Armourcoat Spatulata. For the 30-metre high atrium panels, artisan plasterers blended over seventy colours of paste to achieve the seamless finish. Known as ‘stucco lustro veneziano’, Spatulata is a superfine stucco paste that is trowel applied in a series of fine layers to create a highly polished decorative surface. In keeping with the eco specification, the product contains 40% pre-consumer recycled marble.The project also included the use of ‘Anti-Crack’ - an innovative substrate preparation system from Armourcoat which ensures fast-track construction and a tough, unrivalled backing for Armourcoat polished plaster wall finishes. This cost effective, skim-coat plaster is designed for application in 3-4mm layers over plasterboard surfaces. Its use eliminates the need for taping, jointing and sealing the plasterboard surface and provides a first class substrate for Armourcoat finishes.
Irish new build development sees heat pumps and radiators working side by side...

Irish new build development sees heat pumps and radiators working side by side...

Stelrad Radiators

There’s a new build housing development in deepest Ireland that is proving that new renewable heating systems and radiators make excellent partners.Eastmount, on Chapel Road in Delgany, close to Greystones and just 45 minutes south of Dublin in County Wicklow, can be found just across the Greystones golf course from the Irish sea. The development by D-Res Properties, will provide 74 new three, four and five bedroom homes with open plan living and features high levels of insulation, air to water heat pumps and Stelrad’s Compact with Style radiators throughout the properties to ensure the homes are warm and cosy throughout the year. In all, around 850 radiators will be installed at Eastmount.“This is an excellent example of exactly why radiators are fully compatible with modern renewable heating systems,” says Stelrad’s Head of Marketing, Chris Harvey. “If you believed all the hype you’d expect to see underfloor heating with heat pumps, but particularly in Ireland where they are a fair bit ahead of us in the UK, they are pairing heat pumps with radiators extensively and finding that when the radiators are correctly sized, and installed in homes with excellent quality insulation, they deliver excellent heating performance. An air to water heat pump is very different technology to a traditional boiler driven heating system but once you understand that and play to a heat pump’s features and benefits, the lower temperature heating system can deliver more than adequate heating and hot water and in addition offer lower heating bills and lower emissions alongside higher energy efficiency – it’s a win, win solution for new homes builders and for the new homes owners who are lucky enough to live in these homes and benefit from the warmth and comfort they provide.”The Compact with Style radiators are sleek, attractive radiators that far from being simply a heating appliance, add significant smartness to the rooms in which they are installed – with the subtle vertical lined casings matching the attractive décor in these striking new homes.
Condair humidification at Jaguar Land Rover

Condair humidification at Jaguar Land Rover

Condair Limited

Condair has supplied and installed four evaporative humidification systems to Jaguar Land Rover for use in its exhaust emissions testing facility at the company’s Product Compliance Centre in Solihull. The evaporative humidifiers provide humidity control to two rolling-road engine test cells to ensure compliance with international environmental parameters.Jaguar Land Rover carries out quality control tests on every vehicle before it is despatched. The strict exhaust emission testing must be carried out within a temperature range of 20 to 30°C and a moisture level between 5.5 and 12.2g/kg of dry air.The evaporative humidifiers are replacing several electric steam humidifiers that were proving costly for Jaguar Land Rover to operate in terms of energy and parts. The humidification systems provided by Condair offers much lower running costs without the high maintenance inherent in steam systems.An evaporative humidifier consists of an evaporative module located inside an air handling unit with an external control panel. The evaporative module is a fully bonded particle-free matrix through which the air passes. Water is delivered to the top of the matrix and flows down its corrugated surface. As air passes through, it increases in humidity and is cooled.Rather than heating water with electricity to create steam, as the previous electric steam humidifiers did at Jaguar Land Rover, the air prior to the evaporative humidifier is heated by a gas-fired boiler. The warm dry air then absorbs moisture from the humidifier to reach the set humidity. The same amount of overall energy is required but the economy of using gas rather than electricity as a heat source makes the energy cost around 60% less than electric steam humidifiers.Evaporative humidifiers can operate on mains or demineralised water and can be located in short sections of an AHU as it provides instant evaporation. Unlike steam humidifiers that need regular maintenance to combat scale build-up, the scale that is left behind after evaporation from the matrix is simply washed to drain, reducing maintenance and operating costs.
Stelrad collaborate with My Home Farm

Stelrad collaborate with My Home Farm

Stelrad Radiators

Leading radiator manufacturer Stelrad Radiators has partnered with Kirsten and Mars on their My Home Farm blog, YouTube and Instagram channels, where they share their country living, smallholding and sustainability journey.The couple left their high-flying city careers to discover a new, slower-paced life in the countryside. They eventually found their dream property on the Welsh borders near Shropshire and moved into a Victorian farmhouse with two acres of land and began to share their renovation and lifestyle experiences, exchanging advice and ideas with their followers.One area they were discovering for the first time were the options available for heating their farmhouse. Off grid, in the country, the immediate go-to options are oil or LPG, but for sustainability reasons they didn’t want their home to use either.To be environmentally-conscious and finically economical in the long-term they chose renewables from the outset and switched the property over from oil central heating to an 18kW air source heat pump supported by a 6.16kW solar PV array. Over the first two years the heating performed with mixed results and didn’t deliver the heat they had expected on a consistent basis.The north end of the house and the garden room were proving difficult to heat particularly in the colder months of the year when temperatures dropped to 0C and below. The radiators, which came with the property when they purchased it, felt warm enough to the touch but were simply not delivering an optimal heat to the rooms to make it a comfortable level.As with a number of areas of the renovation work they were undertaking, Kirsten and Mars turned to the experts and contacted Stelrad for advice.Doing their own online research about radiators and heat pumps they found advice that suggested that there are hundreds of households across the UK that have ‘borderline’ radiators that barely heat rooms adequately, and it is usually heat pumps that tend to get blamed, but in many cases it comes down to incorrectly sized radiators being used.Stelrad was able to confirm that it is vital that in any heating and hot water system using radiators to share the heat around the home, the heat pump and the radiators need to be sized correctly for the rooms they are supposed to heat.In Kirsten and Mars’ case, they had an air source heat pump installed that was adequate for the farmhouse but the sizes of the radiators in each of the ‘problem’ rooms were not suitable and needed a revised heat loss calculation.Luckily, Stelrad offers a free of charge, simple heat loss calculator on its website – www.stelrad.com – where you simply need to insert the dimensions of each room, the sizes of windows and doors and of course the construction type of the house and the rooms you’re sizing for. It’s vital to know the volume of the room and the number and sizes of the heat escape routes in the room – so what insulation there is in walls and ceilings, what construction the floor is. All these factors will allow the Stelrad system to suggest the size of radiator needed in a room so they can provide the levels of heat you really need to stay warm.In the case of the difficult to heat rooms, Stelrad suggested the use of new K3 radiators. These radiators have three panels and three sets of fins, offering significantly more metal surface for the air to travel across and to heat up from before spilling out into the room providing the heating it required. You can specify single panel, double panel or triple panel – K3 – radiators depending on what the property needs to provide the right levels of heat. You can also specify larger radiators with heat pumps as they will require more metal surface to heat up to a maximum of 55C – far lower than with a traditional boiler that provides hot water at around 80C and above.It’s important to understand the different way that boilers and heat pumps operate best to get the best out of them – and even with the lower flow rates of the heat pumps, if you have the right sized radiators, they will ensure that the rooms are kept at a uniformly warm temperature when you need them to – usually settled at around 22C.K3 radiators have been quite common in mainland Europe for more than 10 years, but have only begun to feature in the UK in the last couple of years in any quantity. Stelrad initially offered just its best-selling Compact radiator in K3 format, but has now added three more of its radiators designs in a K3 option – its Elite radiators, its Compact with Style and its Planar designs.As heat pumps become more widely accepted and increasingly used in new build developments around the country, the use of K3 radiators is expected to multiply many times over until they are almost the ‘norm’ for UK homes.“We were delighted to be able to introduce Kirsten and Mars to our K3 radiators,” says Stelrad’s Head of Marketing Chris Harvey. “We’ve recently launched a new campaign called ‘Fit for the Future’ which is all about providing radiators that work with renewable heating systems, but ensuring that they are used properly which means sizing them properly and upping the levels of insulation in homes to make the most of the benefits K3s offer. Radiators are not complicated technology but to provide the best outcomes they need to be sized to ensure that the heat levels are adequate to make a home warm enough to live in comfortably.”
Stelrad LST radiators keep young pupils warm...safely

Stelrad LST radiators keep young pupils warm...safely

Stelrad Radiators

There’s a heating system replacement project just completed in Luton that has seen Stelrad Radiators sector leading low surface temperature radiators installed to provide safe heating for the youngsters who attend Ramridge School in the town.Phase 2 of this project, saw 32 radiators – 27 Stelrad LST i Plus Deco radiators and 5 Compact design radiators – installed in corridors and classrooms across the school. The heating system is driven by three gas fired boilers in the school’s plantroom. These LST i Plus Deco radiators feature Stelrad’s new easy clean feature. Pressing the ring clip between the grille, allows the user to remove the fascia, making access to the heat emitter inside easy for cleaning purposes.Phase 1 saw the installation of the distribution pipework in 2018, this phase of the project saw replacement of the heating flow and return, the emitters and the domestic hot and cold water services. Phase 3 will see the final part of the school heating system completed in 2020.The radiators were installed by TSG Building Services, which has built a reputation since 1961 for successfully completing contracts in schools, for housing associations and local authorities. The radiators were specified by Stephen Henry, Assistant Mechanical Engineer, Luton Borough Council, the LST’s being perfect for the school which is occupied by young children, who might be prone to burns from normal heating appliances.The LST i Plus Deco radiators offer the school maintenance team and the teachers at the school the opportunity to set the TRV’s at a comfortable temperature before replacing the TRV with the anti-tamper cap to prevent pupils from altering the temperature without permission. In addition, the radiators offer peace of mind to the school authorities as their design ensures no sharp edges or corners on the casings so pupils cannot harm themselves if they come into contact with the radiators, whilst mitigating the possibility of scalding.From an installation perspective, the ease of installation was key. Installers appreciate the benefit of the simple removal of the front cover of the casing on Stelrad LST radiators to gain access to the emitter, via a simple spring clip arrangement instead of fiddley screws, and if replacement of the emitter is ever needed in the future, you replace the emitter with a standard Stelrad radiator, without the need to replace the complete unit.For more information on the UK’s sector leading low surface temperature radiator range – head for www.stelrad.com.
Condair keeps Christ's Hospital organ in tune

Condair keeps Christ's Hospital organ in tune

Condair Limited

Condair has supplied a Condair CP3 steam humidifier to humidify the school hall organ at Christ’s Hospital School near Horsham, ensuring it resonates correctly and remains in tune whatever the weather.The organ in Christ’s Hospital’s ‘Big School’ is of huge historical importance and great artistic merit. It has its roots in an organ built in 1830 by Elliot & Hill and around 25% of the current pipes date from the original instrument. It was substantially renovated in 1902 and then again in 2012 when a specialist in organ restoration recommended installing humidification and suggested Christ’s Hospital talks to Condair s because of the company’s expertise in this area.Large pipe organs need to have the humidity maintained within their organ chambers in order to preserve the wooden sound boards and sliders. If the air in the organ chamber becomes dry then it will draw moisture from the surrounding wood causing it to suffer dimensional changes. This can cause the sliders to warp and stick, resulting in an unresponsive instrument. By maintaining 55% relative humidity (%RH), the wood is in equilibrium with the air and it retains its moisture content and shape. This is often achieved with small capacity steam humidifiers, like the Condair CP3, which feed steam directly into an organ chamber through a fan unit.Peter Dutton, the school organist at Christ’s Hospital commented: “Condair clearly had experience in working with such ancient and delicate organs and was quickly able to propose the most suitable model, as well as its positioning for installation. It has made a real difference in keeping the humidification in the organ chamber stable and we are now able to play the organ whatever the weather is like outside; even during the cold, dry conditions of last winter.”The Condair CP3 is an electrode boiler steam humidifier that can deliver steam to an air handling unit or directly to a room’s atmosphere. All steam humidifiers require occasional servicing to remove limescale that builds up during operation. The Condair CP3 makes servicing quick and easy as the boiling cylinder is disposable. When servicing is required the cylinder is simply drained, removed and replaced with another, keeping downtime to a minimum.The humidifier incorporates innovative features, such as water conductivity monitoring and staged electrode use, to maximise the lifetime of the cylinder. It is available in sizes from 5-90kg/hr and can operate with standard mains water.Condair has humidified some of the most prestigious concert halls and pipe organs in the world including those at The Sydney Opera House, The Royal Albert Hall, Alexandra Palace and the Royal Opera House in Covent Garden.
Felce and Guy specifies bricks from Vandersanden for The Spa at South Lodge

Felce and Guy specifies bricks from Vandersanden for The Spa at South Lodge

Vandersanden Brick

The Spa at South Lodge, in the heart of the West Sussex countryside, is the picture-perfect, luxury destination for those seeking ultimate relaxation in complete comfort, far away from the pressures and strains of modern life. Designed by Hove-based architectural firm, Felce and Guy, this prestigious 44,000 sq. ft building sits harmoniously in its beautiful, natural setting with external facing bricks from Vandersanden selected to provide regular form, nuanced colours and natural texture for the project. Located in Lower Beeding, near Horsham, The Spa at South Lodge is a purpose-built spa within the grounds of an award winning 5-star hotel. It features a state-of-the-art gym and spin studio, indoor pool, outdoor hydrotherapy pool and wild swimming pool, a thermal suite and treatment rooms for members, hotel residents and spa day guests. In addition, The Spa at South Lodge includes the Ridgeview Beauty Bar and Botanica, a Mediterranean-inspired restaurant. Felce and Guy were commissioned to provide a full architectural design, then appointed as lead consultant and contract administrator to oversee the build carried out by main contractor, Beard Construction. The firm’s design balances the specific needs of the hotel and The Spa at South Lodge’s facilities with a sensitivity to the context of the countryside setting and close proximity to the main hotel. The resultant architecture sympathetically responds to these surroundings with the building deep-set into the landscape, minimising its scale, yet taking full advantage of the extensive views available to guests over the South Downs. As the landscape falls away, leading to natural water forms, so too does the new building with external terracing leading out to a vitality pool and down to an external swim pond. After reviewing and testing different samples in advance, Felce and Guy selected Vandersanden’s Lithium brick in a 50mm size for the project. This attractive, hand-formed facing brick comprises a sanded-coated and grained structure in a muted base grey colour with accompanying shades of buff and black to match the stonework colours of the main building at South Lodge Hotel. Over 100,000 bricks were sourced and supplied for the project by specialist brick distributor, N R Taylor of Lingfield, with the thinness of the brick helping to further reduce the visual scale of the Spa building. The horizontal lines of the brickwork act as a softening counterpoint to the vertical natural green oak cladding and large glass panelling that also feature as key elements in The Spa at South Lodge design. Elsewhere, the Lithium brick has been used in the copings, landscaping and dividing walls which create external contours and help to separate the terraces outside of the building. “The Vandersanden brick works with the other materials in the design to present a very organic aesthetic for The Spa at South Lodge,” says John Chapman of Felce and Guy. “It perfectly complements both the dark sandstone used in the original hotel and its mix of greys and brown as well as the natural surroundings. The straight, clean-lines and regular shape of the Vandersanden brick, together with the raked joint we’ve used, has helped emphasise the horizontality of the building and works especially well with the textured finish of the timber panels. As a practice, we set very high expectations which the Vandersanden bricks have undoubtedly satisfied.” In addition to a curving, meadow-grass roof, which helps to attenuate rainwater flow, the Spa at South Lodge benefits from other sustainable technologies and finishes. A biomass boiler system has been installed, and all drainage is contained on site, using reed bed technology. The existing ponds within the hotel grounds have been modified and extended to benefit the local ecology. Vandersanden itself is building a sustainable future for its business, having already invested in renewable solar and wind energy technologies at its major European production plants and committed to a pathway which will see the manufacture of CO2-neutral bricks by 2050. Underlining the significance of the project to the hotel and its management, every member of staff laid one brick as part of their contribution to The Spa at South Lodge. The project was completed in the Summer of 2019.
Humidity Matters at Jersey Air Traffic Control

Humidity Matters at Jersey Air Traffic Control

Condair Limited

Jersey Air Traffic Control has recently installed four Condair steam humidifiers at its centre in Jersey Airport, which is responsible for the coordination of air traffic in the busy skies above the Channel Islands. Air traffic control is a demanding role, with aircraft and passenger safety its primary goal, and the humidifiers help provide a comfortable and productive environment for air traffic controllers and engineering staff by combatting the visual discomfort created by dry air.The Channel Islands are popular destinations for commercial airlines and private aircraft pilots alike, and high volumes of air traffic pass through its air space. In 2014, there were over 100,000 aircraft departures and arrivals at the three airports of Jersey, Guernsey and Alderney, and almost 2.5M travellers passed in and out of them. The Condair humidifiers serve the iconic Control Tower, which controls the flight arrivals and departures from Jersey Airport itself, and areas in the air Traffic Control Centre, both of which were built in 2010 to accommodate the increasing attraction of flying to and from the islands.Air traffic control in the Channel Islands is a highly responsible role. It has a high visual and mental workload, using purpose-designed interactive screens as essential tools, frequent interaction with aircrew and important decisions being made. Shift work, early starts and late finishes can also have an effect. Les Smallwood, Senior Air Traffic Control Officer at the centre, explains, “The human element is important. In a job where errors could be critical, an environment that is comfortable and considers people’s well-being also supports their working needs. The humidifiers are a part of this.”The need for humidification first became apparent amongst staff wearing contact lenses. Les Smallwood continues, “We use air conditioning to maintain an environment of 21°C but this was drying the air. People’s eyes were becoming uncomfortable, especially for those wearing contact lenses. We used mobile humidifiers at first, to prove the point, before investing in a permanent solution with the Condair humidifiers”. Les confirms that air traffic control staff and the airport’s building services team are pleased with the results.The largest capacity humidifier, a 30kg/h resistive steam humidifier, supplies the air handling system for the first floor of the Air Traffic Control Centre, which includes air traffic control offices and rest areas, to maintain around 50%RH. Three Condair CP3 Mini in-room humidifiers are used to do the same in the Control Tower itself and in the Air Traffic Engineering offices, whose staff are responsible for the good operation of radar, navaids, electronic equipment and associated services.Condair resistive steam humidifiers feature a unique scale collection tank for easy and straightforward maintenance. The Condair CP3 Mini units are compact and discreetly-designed electrode boiler humidifiers, wall-mounted in the areas concerned to deliver up to 4kg/h of pure steam directly into the space. Routine maintenance is quick and kept simple by the easily exchanged boiling cylinders.Jersey Health and Safety Inspectorate’s Display Screen Equipment at Work ACoP, confirms the importance of maintaining of a level of relative humidity that is adequate to prevent the discomfort and sore eyes that are characteristically associated with dry air, as part of an ergonomically-optimised working environment. This echoes the same guidance given in the UK Health & Safety Executive’s DSE ACoP and other European directives.Dry air can be caused by air conditioning and also arises during cooler winter months when indoor relative humidity drops as it is heated. Even in a mild and agreeable climate like Jersey’s, it can be a particular problem for computer screen users, as the air around a screen can be drier and more prone to electrostatic effects than its surroundings, due to the increased temperature locally. Humidifiers effectively address these issues.Maintaining a relative humidity of 40-60% has also been shown to reduce susceptibility to infection by preventing the drying of the moist lining of the mouth, throat and nose, and airborne viruses have been shown to survive for a shorter time at this level. Conveniently, the level of relative humidity that suits people’s health also provides the ideal environment for IT systems and electronic equipment.
Metea Valley High School

Metea Valley High School

Kalwall

From the beginning, architects DLR Group designed Metea Valley High School in Aurora, Illinois, to light up education, both literally and figuratively. The sprawling campus with room for 3,000 students is broken down into a handful of more intimate, human-scale learning spaces, called “think tanks”, where interaction with faculty is encouraged. Two interior courtyards, open to the sky, offer fresh air during free periods. Shaped a bit like a bow tie, Metea combines three concepts – mind, in the midsection, and body and soul on either end – to offer students a truly 21st century school experience.Lighting up Metea in the literal sense comes largely from the extensive use of Kalwall translucent curtain wall throughout the school. Upon coming through the school’s main entrance, visitors are struck by the cheerful, airy, daylighted lobby. Controlled daylight also pours into the school’s innermost areas, traditionally a structure’s darkest, from the courtyards. Kalwall introduces daylight into the vast commons area that serves as the students’ lunchroom. In the gymnasium, Kalwall’s shadowless, glare-free light enhances ball handling in team events; sunlight does not glance off the shiny court surface. The diffuse-light-transmitting panels also prevent glare off computer screens, easing eyestrain. And in a dramatic demonstration of Kalwall’s superb flexibility, the design includes occasional, narrow, horizontal runs of clear glass – some serving as clerestories – adding visual interest as well as clear views to the outside.At 464,000 square feet, Metea could have been an energy-consumption nightmare, adding significantly to its $125 million total project cost. But innovations such as demand control ventilation, energy recovery wheels, and high efficiency boilers will save Indian Prairie School District 204, the state’s fifth largest, thousands of utility dollars every year and pay for themselves in just a few years. In fact, the building’s design is targeted to be 19 percent more efficient than ASHRAE 90.1 requires. Because translucent Kalwall admits so much controlled daylight, the school’s exterior light harvesting system, which monitors indoor light levels, can actually turn off electric lights in public spaces automatically when they are not needed. The harvesting system alone is expected to save the district over £16,000 a year in operational costs with a payback of under seven years.Illinois can get very cold in the winter and quite toasty in the summer. Highly insulating Kalwall helps there, too, keeping temperature extremes outside and lessening the need for and cost of heating and cooling. During the manufacturing process, standard 2-3/4” and optional 4” Kalwall sandwich panels can be infilled with various densities of specialized, translucent insulation. Architects and designers can achieve a thermal insulation value of up to R-20 (0.05 Btu/hr/ft²/F).At Metea Valley High School, DLR Group chose to include Verti-kal™, a unique design variation on the standard shoji or square grid layouts of Kalwall Translucent Systems. The panels incorporate internal, continuous supports to provide a vertical emphasis. As with all Kalwall translucent systems, Verti-kal distributes diffused daylight throughout the school, even on cloudy days, drastically reducing the amount of artificial lighting required and eliminating shadows and glare as well as stark contrasts of light and shade. Verti-Kal can be supplied in panels up to 5 ft. (1.5 m) wide and up to 12 ft. (3.6 m) high, minimizing the number of joints. The unique format creates an entirely different look while still utilizing the most highly insulating, diffuse-light-transmitting, structural composite technology.Any school system must concern itself with maintenance costs, and Kalwall excels there as well. The panels are vandal-resistant and self cleaning; dirt simply washes off with each rainfall. After dark, the diffuse, translucent properties of Kalwall contain interior lighting and prevent direct-beam light pollution. Instead, the exterior surface of the building simply glows beautifully, boosting Metea Valley High School’s aesthetics and welcoming both students and the surrounding community to a true masterpiece of daylighting.Photography: James Steinkamp

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