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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro Media Teknika AL-JAZARI JURNAL ILMIAH TEKNIK MESIN TEKNOLOGI : Jurnal Ilmiah dan Teknologi Majamecha Jurnal Ilmiah Teknik Mesin Poros Automotive Experiences IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) JESCEE- Journal of Emerging Supply Chain, Clean Energy, and Process Engineering International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Cylinder : Jurnal Ilmiah Teknik Mesin
Hadi Sutanto
Program Studi Magister Teknik Sistem Program Pascasarjana Fakultas Teknik Universitas Gadjah Mada Jalan Teknika Utara No.3 (Timur PAU UGM), Barek, Yogyakarta 55281
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Transportation

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Risk Assessment Analysis of Pressure Vessel Refrigerant Accumulator at PT XYZ Widiyati, Khusnun; Harianja, Valeska; Sutanto, Hadi; Bachtiar, Marselinus
Journal of Emerging Supply Chain, Clean Energy, and Process Engineering Vol 3 No 2 (2024): Journal of Emerging Supply Chain, Clean Energy, and Process Engineering
Publisher : Universitas Pertamina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57102/jescee.v3i2.93

Abstract

The Refrigerant Accumulator equipment is a pressure vessel located within the production system unit, namely the Dew Point Control (DPC) Unit. The Refrigerant Accumulator is a crucial component within the DPC Unit as it serves as a reservoir for the Propane refrigerant liquid. In case of a failure of this equipment, it would halt the entire process in the DPC Unit and impact the control of gas dew point that is transmitted to consumers through pipelines. Hence, a more effective method is required to prevent failures in the Refrigerant Accumulator. One of the methods that can assist in more effective inspection is Risk-Based Inspection (RBI). Risk-Based Inspection is a risk-based inspection methodology, where the main output obtained is an inspection plan determined based on the risk of the equipment. It prioritizes inspections for equipment with higher risk of damage, thus optimizing equipment maintenance and aiding companies in establishing effective maintenance strategies. Therefore, this study aims to analyze the risk level of the Refrigerant Accumulator equipment using the Risk-Based Inspection method according to API 581, determine the risk level of the Refrigerant Accumulator equipment, and provide appropriate inspection planning recommendations for the Refrigerant Accumulator equipment. Based on the results of this study, the Risk-Based Inspection analysis yielded values for Probability of Failure (PoF), Area-based Consequence (CA), and Financial Consequence (FC) through quantitative calculations based on the steps outlined in API 581. The PoF value is 5.011×10-6, the CA value is 3,316.36 ft2, and the FC value is $22,746,756.91. From the analysis results, the risk level of the Refrigerant Accumulator equipment is categorized as Medium-Risk, with a Probability of Failure of 5.011×10-6 in category 1 and a Consequence of Failure of $22,746,756.91 in category E. Consequently, the final category is 1E, with a remaining life of 33.7 years. Based on the obtained risk level, the recommended inspection planning is to conduct the next inspection on December 2031, using Visual Inspection method with 100% surface coverage and Phased Array Ultrasonic Testing (PAUT) with 90% surface coverage.
Analisa Perhitungan Wall Thickness terhadap Hasil Pengujian Hydrotest pada Pipa Heating Coil dengan Material Stainless Steel ASTM A312 TP304L : Indonesia Kingkin, Diwangkoro; Sutanto, Hadi
Teknologi : Jurnal Ilmiah dan Teknologi Vol. 8 No. 2 (2025): TEKNOLOGI: Jurnal Ilmiah dan Teknologi
Publisher : Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/tkg.v8i2.55703

Abstract

Pengujian hydrotest merupakan metode penting dalam memastikan integritas dan ketahanan pipa terhadap tekanan internal sebelum digunakan dalam sistem perpipaan industri. Penelitian ini bertujuan untuk menganalisis kesesuaian antara hasil perhitungan ketebalan dinding (wall thickness) pipa heating coil berbahan Stainless Steel ASTM A312 TP304L dengan hasil pengujian hydrotest. Perhitungan dilakukan berdasarkan standar ASME B31.3 dengan mempertimbangkan tekanan desain, diameter luar pipa, dan faktor keamanan. Pipa yang digunakan memiliki spesifikasi Schedule 20S, yang dikenal memiliki ketebalan dinding relatif tipis. Pengujian hydrotest dilakukan dengan tekanan 1,5 kali dari tekanan kerja maksimum untuk mengevaluasi potensi kebocoran dan deformasi. Hasil penelitian menunjukkan bahwa perhitungan wall thickness yang sesuai standar mampu menjamin keberhasilan pengujian hydrotest tanpa terjadi kebocoran atau kerusakan struktural. Temuan ini memperkuat pentingnya validasi desain melalui simulasi perhitungan sebelum implementasi fisik, serta memberikan rekomendasi teknis untuk pemilihan material dan ketebalan pipa dalam aplikasi heating coil bertekanan. Kata Kunci: Wall Thickness, Hydrotest, Heating Coil, Stainless Steel 304L, ASME B31.3
Co-Authors Ahmad Agus Setiawan Anthon de Fretes, Anthon de Fretes Archi Kun Cahyo Utomo Bachtiar, Marselinus Bachtiar, Marsellinus Basuki, Widodo Widjaja Budi Triyono Fathon'D, Ar Rasyid Ginting, Eliata Dumar Hafyyan, Iqbal Harianja, Valeska Harto Tanujaya Hudaya, Hoo Bram Natanael Istighfari, Nurrahman Kingkin, Diwangkoro Leman, Abdul Mutalib Marcellio, Ricco Novi Misgi Prabowo Adi Prakosa, Taji Harya Prasetyo, Dony Eko Rosehan Rosehan, Rosehan Sandra Octaviani setiawan, Dibyo Setiawan, Yosua Soewono, Arka Dwinanda Steven Darmawan, Steven Tarcisius Haryono, Tarcisius Tino Hermanto Umar, Siproni Wahju, Marsellinus Bachtiar Widiarto, Sandra Octaviani B. Widiyati, Khusnun Wijaya, Dikky Kusuma