BSEE INSTALLATION NEWS
Around 2,500 Gent devices, representing the best in class fire detection and alarm technology, have been installed at The 02 Arena complex.
The O2 Arena consists of a hotel, conference centre and 100 serviced residential apartments named The Arora Tower, which offer glorious views across Canary Wharf. The hotel comprises 453 guest rooms, five food and beverage outlets, 19 meeting rooms, as well as a spa, pool and gym and a stunning ballroom which can accommodate 3,000 people at any one time. Liverpool based HESIS was invited to tender for the life safety element of the project across the entire site. As a Gent Technology Centre, HESIS knew that it could supply, design, install and commission the very best in class fire detection and alarm technology in the new buildings. The fully integrated HESIS solution incorporates four fully networked Vigilon panels alongside Gent’s innovative S-Quad intelligent loop powered multifunctional devices. Incorporating four separate sensing elements – heat, carbon monoxide, and dual angle optical forward and backward scatter, S-Quad combines local processing in the sensor and the panel to achieve an immediate response to genuine fires.
With a combination of high ceilings and the need to
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ensure minimum disruption during any periods of maintenance, the conference centre and ballroom utilise a FAAST aspirating smoke detection solution. Aspirating smoke detection’s resilience, stability and high degree of sensitivity combines to reduce unwanted alarms and, furthermore, it offers a low total cost of ownership compared to traditional detection methods, Thanks to the skill of the HESIS personnel and the cutting edge design of the Gent devices, the installation was relatively straightforward. Barry Juggins of HESIS said: “The main challenge was the fact that the construction of the hotel, conference centre and apartments all ran concurrently and had to be completed at the same time. We ended up installing around 2,500 Gent devices across the three buildings, which met the customer’s exacting brief.”
For further information call 0116 246 2000; email
gentenquiry@Honeywell.com or visit:
www.gent.co.uk Bespoke engineering delivers sustainability in conservation
The new £3.5m boathouse for Gonville & Caius College, houses 30 boats, a gym, changing rooms and a workshop. Located in the River Cam conservation area, the design reflects the setting and uses sustainable strategies, including natural ventilation via bespoke terminals designed and engineered by Gilberts Blackpool.
uNatural ventilation courtesy of Gilberts Blackpool has been installed at the new £3.5m boathouse on the Cam.
The boathouse features six Mistrale 75 penthouse roof terminals. Five provide natural ventilation for the main boathouse, with dampers to attenuate the airflow. The sixth terminal acts as a duct for the MVHR unit serving the changing rooms/showers. Carl Brookes, of engineering consultants, Max Fordham, said: “Detailed environmental modelling was used to predict what the typical summer internal conditions might be achieved with a polished concrete floor and exposed blockwork walls, in tandem with a suitably-sized natural ventilation system. The modelling suggested the 18ºC target for a conditioned gymnasium wouldn’t be achieved with just
natural ventilation on an especially hot day. “However, it was felt the environmental benefits of a natural ventilation strategy outweighed the finite degree of temperature control available by using air conditioning. A couple of large fans have been included to enhance air movement.” Gilberts’ penthouse terminals provide intake and extract at high level, with a 50% free ventilation area. Class A rated, they ensure airflow without weather ingress. The VN75 damper provides stable airflow whilst presenting a solid thermal barrier with negligible draughts when closed. Mistrale 75 volume control damper offers low leakage when closed of just 5m3/hr/m2.
In the boathouse, Gilberts’ terminals supplement rooflights at high level, where the terminals can be open when poor weather conditions prevent the rooflights from being used, and fresh air is brought in at low level via manually opened balcony doors and windows.
info@gilbertsblackpool.com
Infinity Solo condensing low NOX water heater is the first Rinnai product for the UK that combines the advanced technology of wall mounted continuous flow water heaters with a stainless‐steel storage cylinder in one compact footprint.
Rinnai Solo – a flexible friend for specifiers and installers
When first introduced Solo was adopted as a single installation water heater for light commercial operations such as small hotels and schools. However, Rinnai is now seeing greater penetration as installers are beginning to use them in multiples on larger projects – one installer has utilised three units for a major school academy installation.
The market is also identifying other areas for the Solo, beyond the target market of new build and refurbishment housing projects, where it is proving its worth in larger three/four-bed dwellings where one can expect to find a family bathroom, en-suite and a downstairs cloakroom/shower.
The Rinnai Solo is a versatile product; it is renewables ready so the business/building owner or householder can easily extend the system to make fuel savings by adding solar thermal later.
The 24-59.5Kw Infinity Solo range is renewables- compatible and supplied with a pre-fitted coil, meaning that solar gains can be the primary heat source in a
system complemented by the Rinnai water heating unit. The Rinnai unit applies only the right amount of gas as a fuel source to level out any difference in temperature required to produce useable hot water. Because the Solo cylinder is stainless steel it greatly reduces the weight compared to glass lined models, which makes transportation and installation much easier. The cylinders available also boast extremely low heat loss figures (as low as 1.41kW/h day), which means the customer pays less to maintain the heat within the tank and the system when fitted to a renewable heat source maximises renewable gains.
Rinnai’s new Solo range incorporates 35kW and 54kW appliances, ensuring that even sites with a smaller gas meter can utilise its advanced technologies. The larger Infinity Solo model will also act as a high-efficiency alternative to other forms of gas fired storage appliances.
www.rinnaiuk.com Priva Blue ID ideal for BMS retrofit project at The Stables
Installed by Priva Partner, 3G Controls Ltd, Blue ID was recommended for The Stables live music venue due to its modularity, which ensured the project could be executed as a simple like-for-like retrofit.
uIconic music venue The Stables has regained control of its heating and ventilation thanks to Priva Blue ID.
Marc Thomas, 3G’s lead engineer on the project, said: “Priva Blue ID not only offered a cost- competitive solution to requirements, but the inherent modularity of the system made for a pretty straightforward retrofit project that we were able to complete in just three days while the whole venue stayed live – we maintained plant operations manually during the retrofit process.” BMS at The Stables controls the boiler, various pumps, underfloor heating and a number of different fans and AHUs (air handling units), including the main auditorium AHU. One of the major advantages of the Blue ID BMS
10 BUILDING SERVICES & ENVIRONMENTAL ENGINEER MARCH 2017
at The Stables is its new, intuitive front end server. “At present, the front end we use is Priva’s TC Manager,” says Mr Thomas. “The client has a hard wire link from the site office to Blue ID so they can log in using a web browser and use the graphic we provided. The next phase of work will see us introduce remote management via a cloud-based portal with the option of adding BI Metrics.” Andrew Stephen at M&E consultant Max Fordham LLP adds: “I have to say that we are very pleased with the work of everyone at 3G. The proposal to use Priva instead of Trend was probably what got us over the line after the best part of a decade looking at the controls to bring them up to date.”
www.priva.co.uk www.3gcontrols.co.uk
VISIT OUR WEBSITE:
www.bsee.co.uk
Priva Blue ID BMS technology has helped a premier live music venue in Milton Keynes regain control of its heating and ventilation after its previous BMS failed.
Cambridge’s college rowers are equipped for the future with the completion of a state‐of‐the‐art boathouse.
uThe O2 Arena complex now benefits from a Gent by Honeywell fire detection and alarm system.
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