InTents June/July 2022 - 16

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Fifty installers were involved. All were
from China and all underwent daily COVID
testing. Everyone was required to submit
a negative test before being allowed to
enter a site. Anyone testing positive would
have been sent to a speciic hospital for
quarantine, says Tian. However, the staff
were fortunate not to have anyone test
positive during the project.
To meet the insulation, snow-load and
To strengthen the resistance against snow
and wind, Liri Modular Structure added
more reinforcing purlins to the frame
of the press center structure, among
additional modifi cations. An adjustable
scaffolding system was specifi cally built
to overcome ground fl uctuations and
to thwart the intrusion of dust, rain and
snow into the tent. Photo courtesy of Liri
Modular Structure and Liri Tent US.
equipment storage, souvenir shop,
cafeteria, volunteer lounge, restrooms,
entry tents, snowmobile maintenance
garages and parking garages, just to
name a few.
Challenges & solutions
The conditions were extreme and the
challenges many.
" The mountain competition venue,
located in Yanqing, Beijing, experiences
cold winds and large temperature differences
between day and night, with temperatures
as low as -20 degrees Celsius
[-4 degrees Fahrenheit], " says Tian. " In
such low-temperature conditions, there
are stringent requirements for tent insulation,
snow-load resistance, wind resistance
and other functions. "
Installation was demanding, encountering
" many dificulties, " such as transporting
all of the tents and equipment
over mountain roads, site luctuations/
uneven ground, limited space and lowtemperature
construction. In some cases,
trucks were unable to directly access a
site, requiring that heavy materials be
hand-carried instead.
16 intents june-july 2022
wind-resistance requirements, Tian says
crew members modiied the frame, roof
cover system, walling and looring systems.
For example, they added more reinforcing
purlins to the structure's frame. The roof
was made in three layers-a 75-mm
insulation layer placed between a doublelayer
PVC fabric roof cover-which not
only protected against the extreme cold
but also provided sound insulation and
energy savings. Flooring was constructed
in four layers-two layers of plywood
board plus 75-mm insulation glass wool
plus loop-pile carpet-and the walling
system consisted of customized 10-cm
thick steel sandwich panels. Numerous
windows were set inside the structures to
provide illumination and ventilation. The
structures also met infrastructure needs
for water, heating and fresh-air systems,
HVAC, communication, ire safety, barrierfree
access and other conditions.
" To solve the ground luctuation and
to stop dust, rain and snow from getting
into the structures, we built a special scaffolding
system, " says Tian. " The height of
the scaffolding system can be adjusted,
so we can adjust the legs to suit uneven
ground. The structures were set up on the
scaffolding, which is above the ground, so
we could say the structures are not set up
directly on the ground, but rather on the
scaffold system.
" Also, when a structure was set up between
two permanent buildings, there is
limited space, " he continues. " To address
this, we changed our installation method
and lifted the frames, using cranes to
move them to the site location. "
InTents June/July 2022

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