Evaluation of The Design Conformity of Water Treatment Plant Units at PERUMDA Kota Palangka Raya Based on SNI 6774:2008 and Technical Literature Evaluasi Kesesuaian Desain Unit Instalasi Pengolahan Air PERUMDA Kota Palangka Raya Berdasarkan SNI 6774:2008 dan Literatur
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Abstract
Non-compliant design of water treatment units can reduce process efficiency and product water quality. This study aims to evaluate the design conformity of the existing Water Treatment Plant (WTP) units operated by PERUMDA Air Minum Kota Palangka Raya against SNI 6774:2008 and established technical literature. The evaluation focused on the intake, coagulation, flocculation, sedimentation, filtration, and reservoir units using a retro-commissioning approach. Data collection included field measurements and review of technical documents. The results revealed several non-conformities, such as a GT value of 4.8×10⁴ (standard >10⁵), sedimentation detention time of less than 2 hours, and an overflow rate of 13.99 m³/m²/hour (standard limit 11 m³/m²/hour). These findings highlight the need for gradual technical design adjustments to enhance treatment efficiency.
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References
Badan Standardisasi Nasional, SNI 6774:2008 Tentang Tata Cara Perencanaan Teknik Instalasi Pengolahan Air, Jakarta: BSN, 2008.
D. A. Cornwell, M. J. Burton, and M. W. Mother, Water Treatment: Principles and Design, 2nd ed. New York: John Wiley & Sons, 2012.
J. K. Edzwald, Water Quality and Treatment: A Handbook on Drinking Water, 6th ed. New York: McGraw-Hill, 2011.
K. J. Howe, D. W. Hand, J. C. Crittenden, R. Trussell and G. Tchobanoglous, Principles of Water Treatment, New Jersey: Wiley & Sons, Inc., 2012.
Permenkes RI, Peraturan Menteri Kesehatan Nomor 2 Tahun 2023 tentang Persyaratan Kualitas Air Minum, Jakarta: Kementerian Kesehatan RI, 2023.