Disinfection of a Mineral Water Well

Project description:

Pseudomonas bacteria were identified in a new mineral water deep well during the validation phase. HPC was asked to carry out a root cause analysis. To rule out external sources for the contamination, e.g. construction deficits or a previous earthquake, a video inspection of the whole well and a geophysical integrity test were conducted. The well was then cleaned by brushing using disinfection agents. Pump and rising mains were cleaned and disinfected and were reinstalled under hygienic conditions. A new pump was inspected for its hygienic condition before installation.

Reason:

Root cause analysis with the aim for a sustainable elimination of a contamination with Pseudomonas Aeruginosa bacteria

Services:

Planning, consulting and project management
Development of a tiered catalog of measures and procedures for hygienic handling of well equipment
Identification of experienced subcontractors
Training of staff and subcontractors on site
Supervision of the video inspection and the geophysical integrity log and interpretation of the results
Visual inspection of pump and rising mains and wipe tests. Identification of suspicious material used by the pump manufacturer
Assistance and supervision during the well cleaning as well as during the cleaning, disinfection and reinstallation of pump and rising mains

Advantages:

Optimized processes due to central coordination
The structural integrity of the well could be confirmed
Contamination source was identified and eliminated
The plant learned hygienic procedures for the installation, removal and storage of their production equipment

Additional project data:

Mineral water well is 750 m deep
An abandoned well is 25 m away, tapping the same aquifer system
Installed equipment was reportedly disinfected by local staff prior to the installation

At a glance:

Project value:

26.000 €

Project duration:

07/2012 – 11/2012

Images:

Bild zeigt den Prozess der Desinfektion eines Mineralwasserbrunnens mit Fachpersonal und Geräten.

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