Franz Eisele u. Söhne GmbH & Co. KG
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Increased risk of explosion in biogas tanks
• It is possible, when opening or removing the submersible motor pump, that gases escape,
which can form potentially explosive mixtures in combination with air.
• Keep all source of ignition (e.g. naked flame, hot heat sources, mobile phones, tools that are
not non-sparking, electrical appliances not protected against explosion) away from the
potentially explosive area (Ex-Zone).
• Use exclusively non-sparking tools.
• Make sure that the tool used (e.g. drilling machine, drill, core drill, chisel etc.) is a special non-
sparking tool.
• Make sure that welding, flame-cutting and spark generating work is not performed inside an
Ex-Zone.
• Ensure that all work, in particular welding, flame-cutting and spark generating work, is carried
out outside the potentially explosive area.
Risks of environmental damage
• Make sure that neither gearbox oil nor lubricant flows into the ground, water or sewage system.
• Dispose of lubricant residues, old oil and containers and rags contaminated with it in
accordance with regulations.
• After decommissioning, clean and dispose of the submersible motor pump in accordance with
national and regional statutory regulations.
2.5 Employee Qualification
Operating Personnel:
The personnel for the installation, commissioning, operation, maintenance, cleaning, repair and
inspection of machines must have the necessary qualifications. Personnel under the influence of
alcohol, drugs or medicines must not transport, install, start-up, operate or repair the submersible motor
pump.
Trained / Instructed Personnel:
Persons, who have been instructed and, if necessary, trained in the tasks to which they have been
assigned and the possible risks thereby occurring with improper behaviour. They have also been
instructed about the necessary protective equipment and protective measures.
• Personnel undergoing training, apprentices and those being instructed or those in general
education may only be active under the constant supervision of an experienced person.
Specialist:
Persons who, based on their professional education, knowledge and experience, can assess the work
to which they are assigned and recognise possible hazards. Furthermore, they have knowledge of the
relevant regulations.
In addition to this, special qualifications are required for the following activities:
• Transport
• Cleaning
• Installation
• Commissioning
• Operation
• Maintenance/ Servicing
• Troubleshooting
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