1 planning and execution of site facilities plant & office equipment preventive maintenance and improvement program chiller plant and piping system water treatment and supply boiler plant and steam supply air compressor plant and supply gas supply air conditioning and ahu system ventilation and exhaust system recycle water plant validation tool and machine improvement saving project 2 to ensure that the preventive maintenance program is fully and strictly in practice 3 to ensure that both office & plant utilities are maintained in the most efficient trouble free operation 4 coordination with production department others for the smooth operation of production and other activities 5 to develop team for skill and knowledge 6 to ensure that all activities are align with gxp health & safety and energy