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INSTALLATION NEWS


Rosslyn Chapel begins a new chapter


Rosslyn Chapel is located in Roslin village, seven miles from Edinburgh. The chapel can trace its history back to 1446 and it has been a very popular tourist attraction for many years. It is known for its decorative art and fine stone carving and in recent years its fame and popularity has increased significantly due to the starring role it played in The Da Vinci Code. So much so that the chapel has become one of the most popular tourist destinations in Scotland. Not surprisingly after close to 600 years of


service, the building has recently undergone major conservation work to refurbish and upgrade the infrastructure as well as to add a visitor’s centre, to cope with the annual 70,000 visitor numbers. An important element of this work has been to stabilise the internal temperature and to provide the back-up services that are now key to such an important landmark. To achieve this Grundfos Pumps Ltd worked


with contractors PS Scotland from Glasgow to offer a turnkey solution that included a range of Grundfos energy efficient pumps including ALPHA2 and MAGNA circulators, TPE centrifugal pumps, a Hydro Multi-E booster set, an IMpress pressurisation set as well as various ancillary items. The £13m project is now coming to an end and soon the building will once again be fully open to visitors who will be able to see the chapel restored to its former glory. The site has long been the subject of speculation regarding a connection between it and the Knights Templar and the Holy Grail. Wherever the truth lies, the chapel is about to embark on the latest chapter of its history which will now deliver this ancient structure, complete with 21st century comfort levels, to the next generation of visitors.


DMS provides help for Portsmouth


Portsmouth City Council has installed DMS (Deaf Message Service), a new fire safety product that informs deaf or hard of hearing people when the fire alarm sounds, in its civic offices. DMS gives deaf and hard of hearing people the freedom to move around public places like supermarkets, shopping centres or libraries without worry of missing an emergency situation, informing them when the fire alarm sounds. It also helps service providers and employers comply with the Equality Act. A spokesperson for Portsmouth City Council commented: “Deaf people are active members of society so it's only right that organisations like ours should provide for all their special needs, especially by ensuring that they are safe and secure whilst on our premises.”


DMS is a very simple solution as it uses


text messaging (SMS) to alert people that a fire alarm is sounding, a warning they could otherwise miss.


The DMS unit can be easily installed in under half an hour, and when the fire alarm sounds, a text message (SMS) is sent to the mobile phone of connected users to let them know the fire alarm is sounding. The user’s mobile is connected to DMS by


sending one text with the relevant location code; they are then registered under that location and will be sent a text should the fire alarm sound. Unlike pager systems, DMS allows deaf or hard of hearing people to use what they already have with them - a mobile phone.


Imax produces healthy savings


Leading private healthcare provider Spire Healthcare is enjoying energy savings of up to 35% thanks to a new high-efficiency condensing boiler system from Ideal Commercial. Two Imax Xtra boilers were installed at Spire Hull and East Riding Hospital in October 2010, replacing a poorly performing system supplied by another manufacturer. The resulting reduction in energy consumption means the hospital is already well below its 2015 energy saving target. Outstanding patient care is central to Spire Healthcare’s ethos – a fact which is clearly evident in its rapid growth. In just four years, the company has acquired 37 private UK hospitals which treat over 930,000 patients every year. Having a reliable, consistent and efficient supply of heating and hot water is therefore imperative. This is why facilities manager at Spire’s Hull and East Riding Hospital, Steve Jarratt, sought to upgrade the hospitals’ existing boiler system. He says: “The boilers provide heat to the radiators throughout the hospital and feed heating coils in the operating theatre air handling units, as well as supplying domestic hot water. The existing boilers, which were installed in 2001, simply lack the efficiencies which modern condensing boilers are capable of. Spire aims to be at the forefront of energy and patient care targets, so bringing the system up to date was extremely important.”


High standards


In order to meet these high standards, the hospital’s trusted installation supplier, Briggs Burners, recommended the Imax Xtra F400. As well as ticking all the boxes in terms of output, size, aesthetics and low NOx emissions (class 5), the Imax Xtra excels in efficiency, as Graham Peach from Briggs Burners explains: “Each module has a pre-mix burner capable of modulating efficiently down to 20% of its maximum rating. This ensures that the boiler is able to match its output to any system requirement, no matter the size. In this case, the system’s maximum output with both modules on full is 800Kw, and the minimum output with one module on is 40Kw.”


The installation began last October. Due to the critical nature of the facility and need for continuous patient care, Briggs Burners had to ensure that there was no interruption to the hot water supply and heating circuits. This was achieved successfully by dividing the installation into two phases. In the initial phase, the first Imax boiler


was split into its purposely designed sections and stair lifted into position,


overcoming the limited access problem of the plant’s roof top location. It was then installed in the space occupied by the original boiler, and put into operation. Phase two of the operation required a


crane to be brought onto the site as this was the only way to safely remove the extremely heavy existing boiler sections. The installers then made best use of the crane by lifting the second Imax boiler into place, saving valuable time and money in the process. The entire installation required just two engineers on site.


Simple maintenance


As well as being easy to site, the new Imax boiler system is also simple to maintain, as Steve explains: “It is very easy to set the temperature you require, and has just looked after itself since it was installed. Usually you find that the more modern the boiler, the more temperamental it is. But we’ve had no problems with the Imax - even though I’ve experimented with it a lot to get optimum temperatures, it’s been trouble free”. Performance has also outweighed


expectations, Steve says: “Because the boilers modulate down to 20%, they’re literally ticking over now the summer is here. We’ve got an independent company monitoring the performance for us, and we’re saving between 22 and 35% on gas consumption, so I’d definitely recommend the Imax to other facilities looking to save.”


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12 BUILDING SERVICES & ENVIRONMENTAL ENGINEER OCTOBER 2011 VISIT OUR WEBSITE: www.bsee.co.uk


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