This research was measuring the sound level in the Department, staff engineer, maintenance and Division of all water system number of 6 people, which tools to use in research: volume measuring instruments.
Research was conducted to measure the noise level employees in the maintenance department. A total of six departments and water systems, which were used in the study include the measurement volume.
This research measured the volume the employees in the Department maintenance department and water system, the 6 people and tools used in function research. Including the detector volume.