2021/02 - Indice de révision : E - Code : 37791
BIEN-ÊTRE
40/64
IMPORTANT
Water must not be allowed to stagnate at the bottom of the excavation. Make sure that there is
sufficient drainage at the bottom of the excavation, create a peripheral drain if the water table
is close to the bottom of the spa. Prolonged submersion of the bottom of the spa will lead to
serious damage.
If the spa is placed outdoors in the open air, the decking and walls of the enclosure in which it is installed
must be sealed to limit streaming of rain water into the enclosure. The access hatch must be sealed
in a manner that allows it to be released, or set into a gasket to prevent rain water from streaming into
the enclosure. If the enclosure was created by digging out soil, create adequate ventilation to keep the
humidity level down and limit growth of mould. For example, install ventilation spurs (with a rain water anti-
intrusion system) on either side of the spa.
Water can be channelled away from the spa by forming a wedge shape for the spa to rest on and installing
a peripheral drain (see digram below).
Decking may be laid on reinforced concrete beams placed horizontally to rest on the peripheral walls and
strategically located pillars.
Slats may be placed between the beams to support the decking. The position of the pillars should not
obstruct access to the area around the shell, notably if only one access hatch was created.
beam
pillar
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