Windyarti, Ahdine (2026) “Analisis Tekno Ekonomi Metode Nondestructive Test Berbasis Radiography dan Ultrasonic Pada Hasil Pengelasan Pipa Bertekanan Tinggi di PT. XYZ Menggunakan Analytical Hierarchy Process (AHP). Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Nondestructive test (NDT) dilakukan untuk mengevaluasi benda uji tanpa merusak material. Hal ini dilakukan untuk memastikan semua material, pekerjaan, ataupun peralatan dapat berjalan dengan baik sebelum tahap operasional dijalankan. Saat ini, banyak penelitian membahas tentang metode Phased Array Ultrasonic Test (PAUT) dapat menggantikan metode Radiography Test (RT). Sehingga penelitian ini membahas kedua jenis metode tersebut khususnya dari segi teknis dan ekonomis. Jenis metode NDT yang digunakan pada penelitian ini yaitu RT (konvensional dan digital) serta PAUT. Penelitian ini bertujuan untuk memilih metode terbaik untuk pengujian hasil pengelasan pipa bertekanan tinggi. Penelitian ini juga bertujuan untuk menganalisis investasi jenis metodenya. Hasil penelitian digunakan sebagai pertimbangan apakah keputusan investasi lebih layak daripada sewa jasa pekerjaan saja. Metode yang digunakan dalam penelitian ini yaitu Analytical Hierarchy Process (AHP) dan Analisis Tekno-ekonomi. Penilaian diperoleh secara subyektif dari responden pemangku kepentingan pengambil keputusan dan pemegang sertifikasi NDT minimal level 2 terkait metode yang digunakan. Hasil penelitian ini didapatkan bahwa sebanyak 60,55% metode RT dipilih secara subyektif menjadi metode terbaik untuk hasil pengelasan pipa bertekanan. Sedangkan secara ekonomi, investasi metode Digital Radiography Test (DR) dinilai lebih menguntungkan karena nilai NPV positif, nilai IRR melampaui tingkat suku bunga yang ditetapkan, dan Payback Period yang singkat. Keputusan akhir akan dibahas lebih detail pada analisa penelitian ini.
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Nondestructive testing (NDT) is performed to evaluate test objects without damaging the tested material. This is applied to ensure that all materials, work, and equipment can run smoothly before the operational phase. Currently, many studies have focused on the Radiography Testing (RT) method in lieu of the Phased Array Ultrasonic Test (PAUT). This study discusses both methods, especially from a technical and economic perspective. The nondestructive test methods used in this study were conventional and digital radiography, as well as phased array ultrasonic tests. This study aims to select the best method for testing high-pressure pipe welding results. In addition, the investment of each method type is analyzed. Finally, it determines whether the investment decision is more feasible than just hiring a job service. The Analytical Hierarchy Process and Techno-economic Analysis were used in this study. This assessment was subjectively obtained from respondents who are decision-making stakeholders and holders of nondestructive test certification at least level 2 about the method used. This study found that as many as 60.55% of the RT method was subjectively selected as the best method for high-pressure pipe welding results. Meanwhile, from an economic perspective, investing in Digital Radiography Testing (DR) is considered more profitable due to its positive NPV, IRR exceeding the stated interest rate, and fast payback period. The final decision will be discussed in detail in this research analysis.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | Nondestructive Test, Radiography, Ultrasonic Test, Analisis Tekno-Ekonomi, Analytical Hierarchy Process |
| Subjects: | H Social Sciences > HG Finance > HG4529 Investment analysis T Technology > T Technology (General) > T58.62 Decision support systems T Technology > TJ Mechanical engineering and machinery > TJ930 Pipelines (General). Underwater pipelines. T Technology > TN Mining engineering. Metallurgy > TN879.6 Welding |
| Divisions: | 61101-Magister Management Technology |
| Depositing User: | Ahdine Windyarti |
| Date Deposited: | 23 Jul 2026 14:12 |
| Last Modified: | 23 Jul 2026 14:12 |
| URI: | http://repository.its.ac.id/id/eprint/136571 |
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