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A R O U N D T H E I N D U S T R Y
ADVERTORIAL ADVERTORIAL
TRURO CATHEDRAL FEELS THE HEAT GAME, SET AND MATCH FOR VICTAULIC
The temperature at Truro Cathedral, one of Thanks to a feat of engineering, ‘rain stopped play’ is a thing of the past on Wimbledon’s famous
the UK’s finest landmarks is not only now Centre Court. Major refurbishment at the All England Lawn Tennis Club (AELTC) has given the
more agreeable with its visitors, but the court a state-of-the-art retractable roof.
Cathedral can rest assured that in the Behind its success is the partnership between leading mechanical and electrical services
current economic downturn, they are also contractor, Skanska, and Victaulic,
saving money as gas consumption is down world-leader in mechanical pipe joining
30% due to the recent installation of five systems. Skanska chose Victaulic
Hamworthy heating Milborne boilers, because its range of products and
leading to the significant reduction in the services met all the challenges this
Cathedral’s carbon footprint, which is a key unique project posed.
focus of the Cathedral’s maintenance Not only did Skanska need to route
policies. 350mm (14”) diameter chilled water
The cathedral itself, which is located in piping and 100mm (4”) heating piping in
the Georgian city of Truro and situated in between the kilometres of steel struts
the Royal Duchy of Cornwall, is heated by that would support the retractable roof
four Milborne wall hung condensing system, it also had to find a way of
boilers. Installed in a row and working in installing the pipework whilst keeping
unison they provide a total of 500kW output, using an open vented system with radiators, fan onsite hotworks to a bare minimum. In
convectors and air handling units. A fifth Milborne boiler heats the coffee shop and restaurant; addition, due to the transference of
ensuring diners are comfortable at all times. weight of the 10 prismatic steel trusses as they open and close, expansion, deflection and rotation
The project was under the direction of the Cathedral architect, Margaret Davies of MRDA, who, within the tight, curving roof space had to be accommodated in the design of the piping system.
in this capacity, has guided and managed the conservation and upgrading of the Cathedral since Dennis Roof, regional sales manager at Victaulic, explains: "As soon as the roof starts to close,
2000. the Victaulic system starts to work on the air conditioning within Centre Court. The jointed steel pipe
“The installation of Hamworthy’s Milborne boilers has already reduced the Cathedral’s heating has to cater for structural deflection and pipe thermal movement simultaneously, whilst transporting
costs significantly, but in particular electricity costs will be much lower,” says Gareth Jones from GPJ CHW and LTHW around the court complex".
Consulting Engineers of Camborne. Working alongside AELTC consultants and Skanska, Victaulic’s Construction Piping Services
“This is because the previous system used powerful flue dilution fans which ran continuously department put together detailed piping drawings. They calculated expansion, deflection and
regardless of whether or not the boilers were working. With a building such as this, the right heating rotation parameters, determined the movement joints, selected the couplings and fittings needed,
system was paramount in making it comfortable without increasing energy consumption.” then developed a preliminary drawing of how the system would be routed. The advanced bill of
The installation of the Milborne boilers, undertaken by Applied Pipework Services of Hayle who materials provided by Victaulic enabled stock to be delivered to site to meet exacting schedules.
have worked on many Hamworthy installations, will give flexibility in heating to meet the various Victaulic provided on-site support during the construction phase.
demands of the busy Cathedral. Mike Bridges, director of Galliford Try who managed the project, commented: “We have been
With modulating pre-mix burner technology the Milborne has exceptional environmental working with the AELTC for over 30 years on refurbishments at Wimbledon, and Centre Court is
credentials; achieving European Class 5 classification for NOx emissions at less than 40mg per our biggest project to date. It is thanks to partnerships such as the one we have with Victaulic that
kWh. Its heat exchanger features vertical modules constructed from a continuous coil using we have achieved our target.”
corrosion resistant 25mm diameter corrugated pipe, made from copper on the water side and
stainless steel on the external gas side.
VICTAULIC
HAMWORTHY HEATING LIMITED
Units B1 & B2, SG1 Industrial Park
Cockerell Close, Gunnells Wood Road
Fleets Corner, Poole, Dorset BH17 0HH
Stevenage SG1 2NB
Tel: 0845 450 2865
Tel: 01438 310 690
Email: sales@hamworthy-heating.com
Email: dennis.roof@victaulic.be
Web: www.hamworthy-heating.com
Web: www.victaulic.com
Reader Reply No 23 Reader Reply No 24
ADVERTORIAL ADVERTORIAL
GREENBANK SCHOOL KENTEC REDUCES FALSE ALARMS AT
Under a partnership agreement with Cheshire County
STOKE MANDEVILLE
Council, MITIE Engineering Services (North) Ltd,
working closely with Buderus, have recently completed
A new fire system designed to tackle a
a boiler replacement at Greenbank School in Northwich.
chronic false alarm problem at Stoke
As part of a wider refurbishment project, three Buderus
Mandeville Hospital in
GE315 200kW cast iron boilers replaced the existing 20
Buckinghamshire – home to the world
year old boilers. The new, high efficiency boilers utilise
renowned National Spinal Injuries
the existing radiators and pipework to meet the heating
Centre – has been hailed a
needs of the whole school and the associated
resounding success with an 80% drop
accommodation blocks for the residential students at the
in incidents in its first year.
school.
Fire systems specialists Pyrotec
Buderus cast iron boilers were chosen in preference
Systems, appointed for the design,
to a condensing boiler system as the existing installation
installation and maintenance of this
has a high water volume with high flow and return
massive Private Finance Initiative
temperatures to meet the heavy ongoing regular demand
(PFI) funded re-development, chose
pattern. In these circumstances a condensing boiler
an open protocol system that
would not have operated in condensing mode for
interfaces with Kentec Syncro AS
sufficient periods to make it an economical or efficient
control panels, as they offer both
option.
versatility and a very high level of
The Buderus GE315 cast iron boiler is an especially
intelligence, allowing more accurate
good choice for replacements of high water content and
interrogation and interpretation of
high flow/return temperature systems. Thanks to modern
possible fire events within the hospital.
casting technology Buderus cast iron boilers have a net
This open protocol system consists
operating efficiency of up to 96% which will ensure substantial cost savings in comparison with the
of 28 Kentec panels and 5000 Hochiki
many out-dated and obsolete heating systems that still populate many UK schools and institutions.
devices, allowing seamless integration
They are built using Buderus corrosion resistant GL180M cast iron and are an especially cost
to a Building Management System
effective and durable option for installations where high flow rates demand low resistance across
that provides fire data intelligence for
the heat exchanger. Buderus cast iron boilers exceed current legislation under Building Regulations
fire alarm management at many levels, with clarity of zone identification as a major feature of the
Part L in their own right, achieving efficiency levels above the required 84% seasonal efficiency for
system and provision for future expansion of the PFI development.
new, single boiler installations. Combine them with an intelligent controls system, and even greater
Working with the local NHS Trust, and the hospital's fire safety adviser Ray Clark, Pyrotec
energy savings are possible.
developed a fire safety system that enables the investigation of the cause of an alarm signal, on
Buderus have an enviable reputation across Europe for high quality, precision engineered
the activation of one smoke detector, that either confirms or cancels the 999 call, guaranteeing a
innovative and robust cast iron boilers. The full range of commercial boilers includes fully
999 call is made in the event of a real fire. However, in the event of a heat detector activating, more
condensing stainless steel and cast aluminium appliances with outputs from 43kW to 19,200kW,
than one smoke detector activating or a break glass call point being activated, then the Fire &
so there is a fuel-efficient product suited to virtually any type of installation. The Buderus GE boilers
Rescue Service is summoned immediately.
feature patented Thermostream heat exchanger technology to prolong the life of the boiler and
reduce annual maintenance costs.
KENTEC ELECTRONICS LIMITED
BUDERUS
Units 25-27, Fawkes Avenue
Cotswold Way, Warndon, Worcester WR4 9SW
Questor, Dartford, Kent DA1 1JQ
Tel: 01905 752936
Tel: 01322 222121
Email: general.buderus@uk.bosch.com
Email: robine@kentec.co.uk
Web: www.buderus.co.uk
Web: www.kentec.co.uk
Reader Reply No 25 Reader Reply No 26
30 BUILDING SERVICES & ENVIRONMENTAL ENGINEER JULY 2009
VISIT OUR WEBSITE: www.bsee.co.uk
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