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ARA Lauterbrunnen, Switzerland

Sewage treatment plant

The plant was upgraded both bio­lo­gi­cal­ly and mecha­ni­cal­ly. The focus was on the repla­ce­ment of the bio­lo­gy by a sta­te-of-the-art mem­bra­ne bio­lo­gy tech­no­lo­gy. For this pur­po­se, various mecha­nical sub-systems were reha­bi­li­ta­ted and repla­ced. We were ent­ru­sted with the sup­p­ly of the new switch­gear for the new bio­lo­gy and with imple­men­ting the pro­cess within the pro­cess con­trol system. For this pur­po­se, a num­ber of pro­ces­ses were opti­mi­zed and upgraded. In addi­ti­on, the pro­cess con­trol system dating back to the year 2009 was updated to the latest ver­si­on and an SMS-aler­ting system with stand-by plan­ning was inte­gra­ted. Also the five out­sta­ti­ons were inte­gra­ted in the pro­cess con­trol system via telecontrol.


ARA Lau­ter­brun­nen, Switz­er­land

Plant type

Sewa­ge tre­at­ment plant

Project execution

2017 to 2019

Project scope

  • 2,400 data points
  • 2 MCCs, total 7 panels
  • Low-vol­ta­ge dis­tri­bu­ti­on system, total 2 panels
  • 3 local cabinets
  • 2 out­sta­ti­on cab­ins (new)
  • 3 out­sta­ti­on cab­ins (rebuilds)

Our services

  • Con­cept design and consulting
  • Switch­gear planning
  • Pro­gramming of software
  • Pro­ject engi­nee­ring of visua­li­sa­ti­on system
  • Signal test and start-up
  • Ope­ra­tor training

Technology applied

  • auto­ma­ti­onX
  • EPlan P8


Mar­cel Fust, Seni­or Pro­cess Auto­ma­ti­on Con­sul­tant, Schmid Auto­ma­ti­on AG

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