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Aris Fiatno
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INDONESIA
Jurnal Teknik Industri Terintegrasi (JUTIN)
Published by Universitas Pahlawan Tuanku Tambusai
ISSN : 26208962     EISSN : 26208962     DOI : 10.31004jutin
Core Subject : Science, Engineering,
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Teknik Industri Terintegrasi merupakan jurnal yang dikelola oleh Program Studi Teknik Industri Fakultas Sains dan Teknologi Universitas Pahlawan Tuanku Tambusai yang menjebatani para peneliti untuk mempublikasikan hasil penelitian di bidang ilmu teknik dan teknik industri mencakup proses manufaktur, kegagalan dan rekayasa material, perawatan berbasis keandalan, keselamatan kerja, perancangan sistem kerja dan ergonomi, pengendalian dan penjaminan mutu, tata letak fasilitas, penelitian operasional, kewirausahaan dan pengembangan bisnis
Arjuna Subject : -
Articles 1,521 Documents
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Pengaruh Penambahan Ekstrak Sereh (Cymbopogon nardus) terhadap Aktivitas Antioksidan, Karakteristik Fisikokimia, dan Tingkat Kesukaan Minuman Instan Kunir Putih (Curcuma mangga Val.) sebagai Minuman Fungsional Berbasis Rimpang Lokal Puswanto Puswanto
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.61777

Abstract

White turmeric (Curcuma mangga Val.) is one of Indonesia’s local rhizome plants containing curcuminoids and polyphenolic compounds, which have potential as natural sources of antioxidants. This study aimed to evaluate the effect of different levels of lemongrass extract addition on antioxidant activity, physicochemical characteristics, and consumer preference of white turmeric instant beverages, as well as to determine the optimal formulation. The beverage was prepared using 500 ml of white turmeric extract with the addition of lemongrass extract at concentrations of 100, 200, 300, and 400 ml through a crystallization method. A Completely Randomized Design (CRD) with two replications was applied, and hedonic testing was conducted using 20 semi-trained panelists. Data were analyzed using Analysis of Variance (ANOVA) followed by Duncan’s Multiple Range Test (DMRT) at a 5% significance level. The results showed that lemongrass extract addition significantly increased antioxidant activity and color intensity and affected aroma preference, but did not significantly influence moisture content. The formulation with 100 ml lemongrass extract obtained the highest sensory acceptance, while the 400 ml formulation showed the highest antioxidant activity. The optimal formulation was recommended at 100–200 ml lemongrass extract addition to produce a functional beverage with a balance between health benefits and consumer acceptability.
Efektivitas Pengelolaan Limbah Konstruksi Berbasis Konsep 3R (Reduce, Reuse, Recycle) pada Pekerjaan Superstruktur Sera Marselina; Katarina Rini Ratnayanti
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.61811

Abstract

The rapid growth of Indonesia's construction industry has increased construction waste generation, particularly in superstructure work such as columns, beams, floor slabs, formwork, reinforcement, and concrete casting. The 3R concept (Reduce, Reuse, Recycle) is recommended by various regulations, yet its field effectiveness requires further study. This study aims to determine the effectiveness of 3R-based construction waste management, identify waste types with management potential, and assess project actors' roles and perceptions. The study was conducted at the Pasar Baru Ciparay Development Project using a descriptive quantitative approach with a 5-point Likert-scale questionnaire administered to 70 respondents, tested for validity (Pearson product moment) and reliability (Cronbach's Alpha). Results show reduce effectiveness of 82%, reuse 87%, recycle 87%, and overall 3R effectiveness of 88%, averaging 86% (very effective category). The largest waste originated from formwork timber (30%) and reinforcement steel offcuts (29%).
Model Konseptual Kegagalan Operasional Adopsi Agile Project Management pada Industri Konstruksi Tradisional: Studi Pilot di Yogyakarta Intan Permatasari; Iva Mindhayani
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.61965

Abstract

This research was conducted due to the high failure rate of Agile methods in construction projects in Yogyakarta, caused by clashes with traditional work systems. The objective is to identify the root causes of this problem and design a solution. Through a pilot study, data from expert questionnaires were analyzed quantitatively. The causal framework results indicate that failures are triggered by the interaction of regulatory, organizational, behavioral, technological, and financial barriers, which lead to schedule delays and rework. As a solution, a hybrid improvement framework is proposed, which includes: (1) hybrid governance and contracting that balances Waterfall (official documents/schedules) with Agile (team coordination), (2) incremental behavioral changes, (3) integration of digital monitoring tools, and (4) small-scale pilot evaluations prior to widespread implementation. This approach effectively bridges the rigid administrative demands with the need for speed in the field
Analisis Proses Pemeriksaan dan Perbaikan Sepeda Motor di Bengkel AHASS Toba Motor dengan Metode FMEA (Failure Mode And Effect Analysis) dan RCA (Root Cause Analysis) Yunas Gosander Beremana; Muhammad Zakaria; Trisna Trisna
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.62029

Abstract

This study aims to identify potential failures in the inspection and repair process at AHASS Toba Motor Workshop, determine the level of risk using the Failure Mode and Effects Analysis (FMEA) method, identify the root causes using Root Cause Analysis (RCA), and propose improvement recommendations. This research employed a descriptive quantitative approach. Data were collected through observations, interviews, documentation, and questionnaires distributed to five respondents consisting of the workshop manager, cashier, senior mechanic, and junior mechanic. The FMEA method was applied by assessing severity, occurrence, and detection to calculate the Risk Priority Number (RPN), while RCA with the 5 Whys Analysis technique was used to identify the root causes of the highest-priority failures. The results indicate that several failure modes in the inspection and repair process have high-risk levels and require immediate corrective actions. The primary root causes include inadequate mechanic accuracy, limited technical experience and competence, insufficient supervision of standard operating procedure (SOP) implementation, and ineffective final inspection procedures.
Model Evaluasi Kepuasan Kerja Berbasis Importance Performance Analysis (IPA) untuk Peningkatan Kerja UKM: Studi pada Kasus XYZ Photocopy Center Ghibran Irham; Amenda Septiala Tarigan; Nanang Alamsyah; Tyas Eka Kurnia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.52879

Abstract

This study evaluates employee job satisfaction at XYZ Photocopy Center, a micro-SME photocopy business in Pondok Aren, South Tangerang, using Importance-Performance Analysis (IPA) to enhance operational performance. A mixed quantitative-qualitative approach was employed, collecting data via Likert-scale questionnaires and field observations across 10 indicators, such as quality of work, productivity, and leadership qualities. Data sufficiency was confirmed with a 95% confidence level. IPA mapping: Quadrant I (Main Priority): productivity, performance, initiative & resourcefulness; Quadrant II (Maintain): quality of work, judgment, interpersonal relations; Quadrant III (Low Priority): dependability; Quadrant IV (Overkill): knowledge of job, adaptability, leadership qualities. Findings align with Herzberg’s Two-Factor Theory, Equity Theory, and Expectancy Theory, emphasizing intrinsic motivators in small SMEs. Practical recommendations include prioritizing productivity training and incentives, maintaining interpersonal relations, and reallocating resources.
Studi Kinetika Adsorpsi dan Kapasitas Penjernihan Air Lindi Menggunakan Biosorben Cangkang Telur Bebek Dwi Annisa Fithry; Aulia Karsani Habibi
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.55308

Abstract

Young leachate from the inlet zone of Muara Fajar Landfill is characterized by high acidity (pH 5.5) and pollutant load, posing risks of heavy metal mobilization into groundwater. This study evaluates the performance of alkali-activated duck eggshell biosorbent as a neutralizing and clarifying agent for acidogenic leachate. A batch system was employed with varying contact times (0–120 mins), 2% (w/v) adsorbent dosage, and 175 rpm agitation. Results showed the biosorbent effectively increased leachate pH from 5.5 to 6.6, complying with MoEF Regulation No. 59/2016 standards. Turbidity decreased by 37% (72.4 to 45.6 NTU) at the optimum time of 60 minutes. Kinetic analysis fitted the Pseudo-Second Order model (R2= 0.9557) with a maximum adsorption capacity (qe) of 1.49 NTU.L/g and rate constant (k2) of 0.041 g/NTU.min, indicating dominant chemisorption mechanisms. Duck eggshell waste shows potential as an economical, eco-friendly pre-treatment for acidic leachate.
Efektifitas Biosorben dari Serat Mesocarp Kelapa Sawit Teraktivasi pada Unit Anaerobic Pond PKS PTPN IV Sei Pagar Dwi Annisa Fithry; Oby Vijay Sitorus; Abi Gail
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.55309

Abstract

This study evaluates the potential of activated carbon derived from oil palm mesocarp fibers (OPMF) using 0.5 M NaOH activation as a sustainable solution for the advanced treatment (polishing) of POME. Through a pyrolysis process at 250°C, the carbon produced a 16.5% yield and 4.44% moisture content, meeting the SNI 06-3730-1995 standards. The results indicate that an adsorbent dosage of 3 grams per 200 mL of sample significantly reduced COD levels by 50.03% (to 14,261 mg/L), although the final value has not yet met the quality standards of Permen LHK No. 5 of 2014. However, this activated carbon proved highly effective in improving acidity levels, increasing the effluent's pH from 5.37 to 7.31, thereby successfully.
Usulan Penataan Ulang Warehouse Berdasarkan Pola Asosiasi Pemuatan Material Menggunakan Algoritma Apriori di PT S Yosep Krispinus Dwi Laksono; Agrienta Bellanov
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.59125

Abstract

Material arrangement in a warehouse affects the efficiency of material picking and loading processes. PT S, as a stainless steel material distributor, has arranged materials based on product type and specifications; however, the existing layout has not considered association patterns among materials frequently loaded together. This study aims to propose a warehouse rearrangement based on material loading association patterns using the Apriori algorithm. The data consist of more than 500 stainless steel plate loading transactions during June 2025. Data processing was conducted using RStudio with the arules and arulesViz packages to generate frequent itemsets and association rules based on support, confidence, and lift values. The results show several material combinations with strong associations; therefore, frequently co-loaded materials are recommended to be placed closer together. The evaluation shows that the average movement distance decreased from 14.52 m to 12.34 m, achieving approximately 15% efficiency. 
Analisis Peran Strategis Manajemen Produkis Menggunakan Metode MRP pada Supply Chain Dalam Mencapai Target Finish Goods Muhamad Bintang Salahudin; Moehammad Dendy Handoko; Yacobus Lase; Farhan Hidayat; Yudi Prastyo
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.60341

Abstract

This study aims to analyze the strategic role of production management in achieving the finish good target through the application of the Supply Chain Management (SCM) method. A quantitative approach was used by collecting data from 120 respondents consisting of production managers, logistics staff, and operators in an automotive manufacturing company. The research instrument was a questionnaire with a five-point Likert scale, which measured the variables of production planning, inventory control, inter-departmental coordination, and production target achievement. Data analysis was carried out using multiple linear regression to determine the effect of each variable on the achievement of the finish good. The results showed that production planning had a significant effect on target achievement with a coefficient value of β = 0.42 (p < 0.01), inventory control had a positive effect with β = 0.35 (p < 0.05), while interdepartmental coordination provided the largest contribution with β = 0.48 (p < 0.01). Simultaneously, the integration of production management and SCM was able to explain 67% of the variation in the achievement of the finish good target. These findings confirm that consistent implementation of SCM can increase efficiency, reduce delays in raw materials, and strengthen the company's competitiveness.
Perancangan UI/UX pada Website SMP Muhammadiyah 4 Samarinda Menggunakan Metode Design Thinking Aisyah Nabiela; Subhan Hartanto
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.60395

Abstract

The development of technology in this digital era is very rapid, including the website that includes information about SMP Muhammadiyah 4 Samarinda as an education sector that continues to strive to improve the quality of its digital services. This study focuses on UI/UX design in terms of visual appearance and user experience, obtained an initial data value of 49.77 with SUS calculations categorized as "Not Acceptable" which means that some improvements in visual appearance and features are still needed. This study helps improve consistent displays such as layouts, navigation menus and new user experiences with digital learning space features for users, using the Design Thinking approach, data collected through user surveys and analysis of existing website platforms. The results of the study show a Mobile display with a score of 75.42 with a "C" on the Grade Scale "Good" on adjective ratings, that the Redesign of the UI/UX design on the SMP Muhammadiyah 4 Samarinda Website is made to better adjust to user comfort.

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