103 of 124  Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 8: Electrical Works   Updating of digital value after change: 2 sec.   Updating of analogue value: 3 sec.   Response of a command: 2 sec.  Updating does not include the cycle time for data collection of scandata.  The mouse must not be locked when the flow pictures are being updated.  The flow pictures shall be shown on the colour monitor and the graphical presentation shall utilize the  maximum possibilities of the monitor.  The outline flow picture of the treatment plant including shall be the basic picture. It shall be possible  to select sub-pictures, curves and other pictures from this picture.  It shall be possible to select flow pictures in a minimum of four levels via menu commands.  Additionally it shall be possible to select pictures directly by keying-in the id-no. for the picture.  Alarms shall be indicated on the flow pictures.  Modification of signatures for components shall be simple. The system shall include a library with all  the commonly used signatures and it shall be easy for the operator to select the signatures from this  library. It shall be possible to design/draw new flow pictures by using a program specifically for this purpose.  The program shall also be used for modification of the existing flow pictures.  Values shall be indicated in metric unit. All relevant measured values shall be indicated on the  respective flow picture.  The indication can be:   Metric values   Bar graphs.  Status of valves, motors etc. shall be indicated by colour shift or changing of signature.  If the bar graphs are used values shall be indicated in percentage or in metric units.  A minimum of 40 flow pictures (exclusive pictures of each component) shall be provided. The  following pictures shall as a minimum be included:   Outline. Level 1.  Simplified picture of the whole treatment plant. Level 2.   Detailed picture of the status of the communication network. Level 2.   Detailed picture no. 1 of the treatment plant. Level 3.   Parameters and settings for detailed picture no. 1. Level 4   Detailed picture no. 2 etc.  Detailed pictures of each component shall be provided as level 5.  It shall be possible to operate all components from the pictures, i.e. stop and start of motors, opening  and closing of valves etc.  Operating shall be by pointing out the component via the mouse or by keying in the component no.  8_Vol3_d4.3_Section 8 electrical works_en_GIR.rev8.doc 