Operation And Maintenance - Graf oneAdvanced Operation Manual

7

Operation and maintenance

Almost all operating problems will result in the plant's cleaning capacity being impaired. This
must be detected in good time and remedied immediately by the operator or a maintenance
specialist.
Before commencing work
Prior to all inspection and maintenance work, familiarise yourself with the safety in-
structions in Subsection 2.
Read and follow the instructions given in the following.
7. Operation and maintenance
WARNING
Danger of tripping and falling at open tank covers
There is a danger of persons or animals falling into the tank.
This may result in harm to health, serious injury, or drowning.
Secure open tank covers with suitable measures, and never
leave them unattended.
Keep unassigned persons, in particular children, away from
open tank covers.
WARNING
Danger of poisoning and asphyxiation from harmful gases
Wastewater treatment plants can pose risks to health and life
in the form of poisonous, harmful, and asphyxiating gases.
Whenever possible, avoid working inside the tank.
When entering the tank, do not fail to observe Safety measures
for work inside the tank in Subsection 2.4.1.
Never enter the tank without a second, supervising person at
the entrance.
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