WHAT’S NEW? Priva UK Used For St Paul’s


Cathedral Upgrade Priva Blue ID S-Line and C-Line controls have been installed as part of a major Building Management System (BMS) retrofit project at St Paul’s Cathedral in London.


The installation, which was part of an overall plant room refurbishment, gives the cathedral complete control over its temperature requirements from radiators, heating coils and the hot water system throughout the building. A new front-end based on Priva UK’s integrated, web-based TC Manager, which is accessible from any PC with internet access, ensures authorised staff can change preset temperatures or on/off times at the click of a button.


St Paul’s Cathedral, London’s iconic 340 year old church realised that its plant room equipment was in need of replacement in order to improve energy efficiency, enhance reliability and meet high heating and hot water demands.


St Paul’s wanted to replace its existing boilers, hot water system and ventilation plant, thus instigating the search for a suitable BMS. Contractor Bunton M&E Services had a good relationship with Priva installation partner, Electrical and Mechanical Cntrols Ltd (EMC). Priva’s specialism in the heritage buildings sector has


Dry Extraction Carpet


Cleaner Tackles Hard Floors Host von Schrader have announced that their Dry Extraction Carpet cleaning system can be used to maintain the appearance of laminated, grouted and textured hard flooring as well as carpet.


The announcement comes as Luxury Vinyl Tiles (LVT) are becoming increasingly popular as a floor covering, replacing carpet in many commercial situations.


Michael Egerton, Managing Director of Host von Schrader, said: “As the market changes, we must also adapt to change with it. At our US based parent company, Racine Industries, we researched and instituted procedures and a program for cleaning ceramic, glazed and


www.tomorrowsfm.com


other grouted floors more than 10 years ago and have now proven the capabilities of the HOST System to clean LVT, rubber, granite, concrete and many other flooring types that are currently being installed.”


Using the HOST Dry Extraction cleaning system to clean LVT


seen its technology installed at a number of high profile historic sites.


Priva Blue ID S-Line controls were duly selected for the main boiler room at St Paul’s where they now control four new Hamworthy Wessex ModuMax mk3 boilers and the primary boiler pumps, which together provide a total space heating output of up to 1,016kW. In fact, thanks to a turndown ratio of 20:1, the boilers can deliver any output from 50.8 to 1,016kW. This means that in periods of low heat demand, the boilers are not constantly cycling and wasting energy.


In terms of the plant upgrade, Bunton M&E built everything off-site in five weeks to ensure minimal disruption. In total, the installation time on-site was


condensed to just four weeks. Saving further time, it was possible to use the existing IT network (utilising Ethernet) to communicate between the main panel, Wren Suite and the BMS PC.


The benefits of the revamp include increased reliability, and better scalability and flexibility for future modifications. Naturally, there are likely to be significant energy savings too, as a result of enhanced temperature control. Another advantage relates to heating speed. Heating a cathedral can take a long time due to its large space, but the speed of heat-up has improved greatly. Previously it would take a week to heat the cathedral from cold, but now it only takes a day.


www.priva.com/uk


flooring is now becoming common practice in the US and is also being recommended by more of the UK’s flooring manufacturers. It works especially well on highly textured flooring. By using the HOST Sponges and Host’s softer red brushes flooring can be effectively cleaned without the need for any moisture being laid on the surface and will ensure that scratching does not occur.


Michael said: “Compared to other and more traditional methods of cleaning hard flooring, the Host System has a number of important advantages. The most important one being that efficient dry cleaning of these floor coverings is always better than wet cleaning, from a safety point of view as well as a health and environmental point of view.”


hostvonschrader.co.uk TOMORROW’S FM | 09


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