20 of 124  Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 08: Electrical Works  is CHP unit in synchronization plant and if it supplies same line, it will also maintain network/common busbar  synchronization. Generator set shall be equipped with originally synchronization circuit breaker motorized with  4 pole. Generator set shall be separate synchronization panel.  Rating: Continuous running at variable load for duration of an emergency situation  Voltage reg.:  +/- 5% Governing:  Electronic type/Class A 1  Load Acc.:  60 % in one single step and sufficient to run as specified in this section/clause  The prime mover and the alternator shall be factory mounted on a common steel chassis frame with built-in anti  vibration system.  A flexible coupling shall be provided between the alternator and the engine. All piping and electrical  connections shall be flexible to prevent damage by movement of the gen. set.  A local authorised representation in Turkey shall be able to provide service and maintenance. Name, address  and a list of service and references shall be provided for the local representation.  8.6.2 Prime mover  The prime mover shall be a 4-stroke multi-cylinder (preferably a 6-cylinder engine), direct injection industrial  standard diesel type according to ISO 8528.  The engine shall be suited for the purpose and shall have a proven record of long life operation with a minimum  of maintenance.  The following details shall be incorporated:  8.6.3 Fuel System  The fuel system shall at least include the following:  There will be fuel tank below generator which will be sufficient for operation of generator for 8 hours under  100% load and also there will be separate fuel tank which will be sufficient for operation of generator for 24  hours under 100% load. Fuel tank will be positioned outdoors and will be manufactured from material which is  suitable for outdoor. Concrete base will be built under fuel tank and Cantilever will be made of metal accessory  for protecting against snow and rain for protecting against weather conditions. Wire fence will be constructed  with 1 m distance with each point of fuel tank such that its height will exceed 1 meter over fuel tank.   Fuel storage tank with a capacity for 24 hours continuous operation.   Reservoir for the fuel storage tank to prevent oil spillage to the surroundings in case of leakage   Pipe near the road for filling the tank (provided with a padlockable lid and ideal access)   Level indication on fuel storage tank (accuracy +/-50 litres)   Local fuel tank incorporated in the frame, with a capacity for 8 hours continuous operation  Drip tray under the sump to collect oil spillage   Fuel oil booster pump (electrically driven)   Fuel oil filters for the duplex type. Filter elements of paper and of the disposal type  Injection pumps   Injection valves  8_Vol3_d4 3_Section 8 electrical works_en_GIR rev6.doc 