104 of 124  Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 8: Electrical Works  8.22.5 Alarm Handling  8_Vol3_d4.3_Section 8 electrical works_en_GIR.rev8.doc  It shall be possible for the system to handle up to 1000 alarms and alarm messages. It shall be possible for the operator to edit the alarm messages.  Alarm shall also be indicated on the process flow pictures and the picture for the individual  component.  It shall be possible to suppress commuting alarms. It shall be clearly indicated if an alarm is  suppressed.  It shall be possible to acknowledge single alarms or all the alarms shown on the monitor. This applies  for flow pictures as well as for alarm files.  It shall only be possible to acknowledge (reset) the alarm from the operators station.  The following information shall be stored in the alarm data base:  Alarms shall always be indicated on the mimic, in the field on the monitor, on the screen picture (if the  picture is on-line) and printed on the monitor.  It shall be possible to provide all alarms with an alarm priority. The indication of the alarm shall  depend on the specific alarm priority. Up to 5 alarm priorities shall be provided. Alarms on the mimic shall be indicated by flashing the respective LED. The flashing shall continue  until the alarm has been acknowledged, it shall then turn to fixed light if the alarm is on. When the  alarm has been acknowledged and the alarm has stopped the light in the LED shall be turned off. Any alarm shall be reported and indicated as follows:   On the mimic panel   By an acoustic signal  On the monitor on the screen pictures   By printing an alarm text on the monitor in a separate field of the monitor. The field shall be  dedicated to alarm messages.   By printing an alarm text on the alarm printer   By sending an alarm text to the mobile telephone   Time for stop of the alarm.   Time for acknowledgement of the alarm   Alarm message (min. 25 characters)   Component no.   Description of component   Alarm priority   Time for start of the alarm   Year, month, day 