21 of 124  Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 08: Electrical Works   Fuel water separator   Piping, valves and fittings   Dual flexible fuel lines.   Dry element air filters   Service indicator (restriction indicator)   All necessary air ducting between filter and engine.  8.6.5 Combustion Air  8.6.4 Fuel Specification  The diesel engine shall operate on high speed (HSD) diesel fuel.  The combustion air system shall include but not be limited to the following:  The lubrication system shall at least include the following:  8.6.6 Lubrication System   Lubrication oil pump (forced driven)   Hand operated pump for emptying engine oil   Lubrication oil tank (only if a dry sump is used)   Lubrication oil filter of the duplex type with replaceable filter elements and by pass function   Facility for pressure gauge and low voltage switch   Piping, valves and fittings.  The filters shall be mounted in accessible locations enabling easy changing of filter elements without the  necessity of disconnecting piping or other engine equipment.  The exhaust system shall include but not be limited to the following:  There will be filtered, flexible air outlet canal structure with damper for generator air outlet. Air inlet will be 2-fold of exhaust air area. Minimum distance between generator and the side walls will be 1,5 meters.  The exhaust system shall include but not be limited to the following:  8.6.7 Exhaust System   Expansion joints   All necessary exhaust system piping inclusive hangers   Exhaust pipe.  Exhaust silencer shall be of welded construction designed for outside mounting. Pressure drop through the  silencer shall not exceed the engine manufacturer's recommendations. The exterior of the silencer shall be  treated to resist rust.  8_Vol3_d4 3_Section 8 electrical works_en_GIR rev6.doc 