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DESIGN OF AN AUTOMATIC BRACKISH WATER FILLING SYSTEM IN A COLLECTING TANK FOR AIRPORT WATER MANAGEMENT Rio Rizko
Journal of Airport Engineering Technology (JAET) Vol. 6 No. 2 (2026): Journal of Airport Engineering Technology (JAET)
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat Politeknik Penerbangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52989/jaet.v6i2.274

Abstract

This study develops an automated brackish-water filling prototype for airport clean-water management at Jenderal Ahmad Yani Airport in Semarang. The existing manual filling process required technicians to continuously monitor water levels and operate the pump switch, resulting in inefficiency and an overflow risk. A Research and Development (R&D) approach using the Waterfall model (Analysis, Design, Implementation, and System Testing) was applied. The prototype integrates two water level sensors connected to an Outseal PLC V5 microcontroller and a relay to automatically control a submersible pump. When the lower sensor detects minimum water level, the pump activates; when the upper sensor confirms the tank is full, the pump stops automatically. Expert validation by three validators yielded an overall feasibility score of 86%, categorized as "Suitable for Use." The system successfully eliminates manual standby monitoring and reduces the risks of overflow and human error in airport water management operations.