DOI: https://doi.org/10.14710/reaktor.85087

Hydraulic-Based Evaluation of Fire Water System Adequacy for Dike-on-Fire Scenario at Gasoline Storage Tank

*Maulida Maghfiroh Izzani Hakim  -  Applied Master’s Program in Occupational Safety and Health, Department of Health Information and Services, Vocational College, Universitas Gadjah Mada, Sleman, Special Region of Yogyakarta, Indonesia, Indonesia
Marko Ferdian Salim orcid scopus  -  Department of Health Information and Services, Vocational College, Universitas Gadjah Mada, Sleman, Special Region of Yogyakarta, Indonesia,, Indonesia
Annisa Maulida Ningtyas scopus  -  Department of Health Information and Services, Vocational College, Universitas Gadjah Mada, Sleman, Special Region of Yogyakarta, Indonesia,, Indonesia
Published: .
Open Access Copyright (c) 2026 by Authors, Published by Dept. of Chemical Engineering Universitas Diponegoro
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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Abstract
Dike-on-fire incidents in hydrocarbon storage tank facilities have significant escalation potential due to prolonged thermal radiation exposure and adjacent tank involvement. This study evaluated the adequacy of the existing fire water system under a gasoline storage tank dike-on-fire scenario at PT X Refinery using PHAST consequence analysis, firefighting demand calculation, and PIPENET hydraulic simulation. Fire consequence analysis was conducted to evaluate thermal radiation exposure, while firefighting demand and hydraulic analyses were performed based on NFPA and API standards. The simulation results showed that thermal radiation intensity of 12.5 kW/m² extended up to approximately 83 m from the fire source, indicating escalation potential within the tank farm area. The required fire water demand reached 11,665.68 gpm, while the available hydraulic firefighting capacity reached 13,017.50 gpm under simultaneous cooling and firefighting operations. However, operational limitations of the existing HCFM capacity resulted in a prolonged minimum firefighting discharge duration of 83.12 min. The results indicate that the existing fire water system was hydraulically capable of supporting emergency response operations for the analyzed dike-on-fire scenario.

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Section: Research Article
Language : EN
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