1) IPS was contracted to perform pipe freezing at Gatwick Airport to enable the installation of new pipe branches without draining the entire chilled water system. 2) Working at an international airport like Gatwick leaves no room for error, as shutting down the chilled water system could disrupt service for over 16.5 million annual passengers. 3) IPS completed the work in challenging conditions, using the building's goods lift to transport liquid nitrogen to the roof in heavy rain within an 8 hour window to avoid disrupting airport operations.

1. Pipefreezing at Gatwick Airport
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In order to install two new 65mm
branches, we attended to carry out
double freeze isolations of the 150mm
chilled water flow and return pipe work,
enabling the new installation without
draining down the entire system.
In an international airport, such as
Gatwick, handling over 16.5 million
people each year leaves no room for
error. This is why CMS chose IPS to
work with them. Had the system failed
the whole of the chilled water circuit
servicing the South Terminal would
have been lost.
The heavy rain and wind forecast could
have caused severe problems to the
freezing operation and so the window
of opportunity for us to get in and make
the changes was limited. In addition
the roof-top site made accessing the
location particularly challenging. We had
to utilise the goods hoist on the exterior
front of the building and then safely
transport the liquid nitrogen to the back
of the roof to the freeze location.
We were able to help Chandler
Mechanical to service and install new
pipe work on the roof whilst the airport
was at low levels of use, ready for
another busy day with no interruption
to customer services. Our work was
completed in 8 hours.
Working on the roof of Gatwick’s oldest terminal during one of the
wettest months of the year was just one of the challenges we faced
at Gatwick Airport. We were called to the South Terminal by Chandler
Mechanical Services, who were carrying out planned work to the
150mm chilled water pipe work to serve a new retail unit within the
International Departure Lounge.
“We have worked with IPS for some years now. Their consistency,
reliability and good attitude towards work is second to none.
They are always willing to work with us, offer advice and help
solve problems” Director,Chandler Mechanical Services
www.ipsgroup.net
IPS Group Services Recent Projects No.2