6 of 124  Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 08: Electrical Works  8 ELECTRICAL WORKS  8.1 General 8.1.1 System of Units 8.1.2 Design Temperature  8.1.3 Degree of Protection  8.1.4 Condensation  In the following are outlined the minimum requirements for the Electrical Works for Wastewater Treatment  Plant.  All measurements must be in accordance with the International Systems of Units (SI), with the exception of  temperature, which will be expressed in degrees Celsius.  The Contractor shall in this design account for the temperature rise deriving from installed equipment and from  solar radiation in such a way that the rated performance and stability of the plant is guaranteed under the  prevailing climatic conditions. Attention shall be given to the design of panels.  The maximum temperature inside the panel should not exceed 30  C or the maximum temperature for any  electrical part in the panel.  All terminal boxes, cabinets, lighting fixtures, etc. shall have degrees of protection by enclosure, as follows:  *Protection class of lighting equipment to be used in offices of Administration Building and Guard House shall  be IP 40. All enclosures shall be designed to avoid condensation with provision for ventilation and drainage as  appropriate. Openings for ventilation and drainage must not give access to vermin.  All surface mounted boards will have IP65 gland, there will not be inlet with brush or sponge. All MCC panels will be air conditioned such that room temperature does not exceed 30  C. Calculation for air  conditioning will be submitted for approval. (It should be added to mechanical part, design section). Main Distribution and all MCC panel rooms will be air conditioned by air handling unit. (It should be added to  mechanical part, design section).  Other requirements are as specified in the relevant chapters.  8_Vol3_d4 3_Section 8 electrical works_en_GIR rev6.doc  Protection  Panels  Terminal  Box  Lighting Interior  Socket  Cable  gland  Combinet  box  Other  material  Local  Control  Box  Outdoor  Lighting  Local  Panel  Indoor  IP54  IP54  IP65*  IP40  IP65  IP54  IP54  IP65  IP54  Outdoor  IP65  IP65  IP67  IP65  IP65  IP65  IP65  IP65  IP65 