Rectification of SF by-pass into WWTP

Remove the red lid from the SF inflow pipe

Remove the red lid from the SF inflow pipe. This operation is carried out after the maturing period of WWTP (i.e. aprox. after 3 weeks of WWTP activity – water on outflow has to be pure).

Put on the red lid onto the SF inflow pipe

Put on the red lid onto the SF inflow pipe. This operation is carried out in the case of the cracked SF.

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