3 of 124  Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 08: Electrical Works  8.9.6 Earthing system and equipotential bonding .......................................................................... 50 8.9.7 Lightning and Overvoltage Protection .................................................................................. 51 8.10 Power Factor Correction ....................................................................................................... 52 8.11 Motor Installations ................................................................................................................ 53 8.12 Junction Boxes ...................................................................................................................... 53 8.13 Cable Entries ......................................................................................................................... 53 8.14 Cable Glands ......................................................................................................................... 53 8.15 Cables.................................................................................................................................... 53 8.15.1 Power cables ......................................................................................................................... 54 8.15.2 Signal cables ......................................................................................................................... 55 8.15.3 Lighting cables ...................................................................................................................... 55 8.15.4 Earthing and bonding cables ................................................................................................. 55 8.16 Cable Routing ....................................................................................................................... 55 8.16.1 Cable segregation .................................................................................................................. 55 8.16.2 Cable trays, ladders and trunking.......................................................................................... 56 8.16.3 Conduit systems .................................................................................................................... 56 8.16.4 Cables in ground ................................................................................................................... 56 8.16.5 Installation of cables ............................................................................................................. 57 8.16.6 Cable identification ............................................................................................................... 58 8.17 Security Systems ................................................................................................................... 58 8.17.1 CCTV System ....................................................................................................................... 58 8.17.2 Fire Fighting System ............................................................................................................. 66 8.17.3 Telephone System ................................................................................................................. 68 8.18 Tools and Maintenance Equipment....................................................................................... 68 8.19 Control and Monitoring System............................................................................................ 70 8.19.1 General system description ................................................................................................... 70 8.19.2 Architecture (System Architecture) ...................................................................................... 75 8.19.3 Operation Interface................................................................................................................ 77 8.19.4 Software development environment ..................................................................................... 78 8.19.5 Engineering with Multiple User............................................................................................ 78 8.19.6 Security ................................................................................................................................. 79 8.19.7 Operator Screens ................................................................................................................... 79 8.19.8 Alarms and Events ................................................................................................................ 82 8.19.9 Trends.................................................................................................................................... 85 8.19.10 Historical Trend Data Analysis View ................................................................................... 87 8.19.11 Reports .................................................................................................................................. 87 8.19.12 Standards and Approvals....................................................................................................... 91 8_Vol3_d4 3_Section 8 electrical works_en_GIR rev6.doc 