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After extensive reconstruction, the new owners of Hotel Tatra in Velké Karlovice ran into a huge problem: they had no access to drinking water, which meant they couldn’t open the hotel.
The original proprietor of the hotel used the hotel’s own well as a source of drinking water. A mechanical filtration system was sufficient to make water potable. However, a water analysis during the reconstruction revealed the presence of enterococcus and coliform bacteria. On top of that, the water’s taste was unacceptable.
Grand Hotel Tatra doesn’t have the option of being connected to a water main or any other water source. To get final building approval and open the hotel, it was necessary to make undrinkable water potable.
The hotel requirements were clear: provide a sufficient water source for 41 rooms, the hotel wellness suite and the restaurant.
We eliminated dangerous bacteria by adding sodium hypochlorite as disinfection. The concentration is continually monitored and managed. The disinfectant is added at the beginning of the water treatment, after rough filtration, when the water is pumped into a storage reservoir. This way, we eliminate the risk of secondary bacterial contamination of water that’s already been treated.
To improve the water’s taste,filtration through fine sand is added to the water treatment system, followed by an active coal filter.
In a hotel operation, water is not consumed evenly. Instead, there are several peak times, e.g. morning and evening showering. The water pumping and treatment system is designed to cope with these peaks. The water circulation is managed by the hotel’s SCADA system, with a connected PLC system in the pumping room.
The automated system manages the pumping of water from the well, its accumulation, treatment and movement to the hotel’s reservoir. To be on the safe side, the system is also equipped with a GSM communications module, which will report, for example, a low volume of pumped water.
The water treatment operator needs to do “only” these things
On top of that, we perform preventive maintenance every three months.
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