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Maintenance Clean. Check for
tightness, lockability if
necessary
approx. 6 months
Wastewater lifting
plant
(if available)
Inspection Testing for operational
capability, tightness,
external corrosion
approx. 1 months
Maintenance Check for tightness,
function, control of
level switching, adjus-
ting heights of on, off
and alarm level check,
control of the reux
preventer for tightness
approx. 6 months
Removal valves Inspection Checking all removal
valves for tightness
and possible changes in
water, odour, paint or
suspended matter.
approx. 1year
Rinsing equipment
(Toilets)
Inspection Examination of the rin-
sing process of rinsing
devices (ushing boxes,
press sinks), if neces-
sary correction of the
rinsing water volume.
approx. 1year
Marking Inspection Testing of the marking
of all pipelines and sam-
pling points
approx. 1year
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