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All Journal Jurnal INTECH Teknik Industri Universitas Serang Raya Jurnal InTent: Jurnal Industri dan Teknologi Terpadu Jurnal Teknik Industri Terintegrasi (JUTIN)
Putra, Al Fiillian Sah
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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EVALUASI RESIKO K3 PADA PERAWATAN JEMBATAN TIMBANG DI PT. CAHYO PERMATA ABADI DENGAN METODE JOB SAFETY ANALYSIS Qishas, Haechal Fachar; Putra, Al Fiillian Sah; Saputra, Muhammad Zeit Geist; Al Hafiz, Muhammad Rafi; Wirayudha, Muhammad Hafidz; Yuslistyari, Eka Indah
Jurnal Intent: Jurnal Industri dan Teknologi Terpadu Vol 7 No 2 (2024): INDUSTRIAL
Publisher : Prodi Teknik Industri, Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/intent.v7i2.3872

Abstract

PT Cahyo Permata Abadi is a company that provides precision measurement solutions and high-quality services for various industries by ensuring accuracy and efficiency in every project, so it is important to pay attention to the K3 aspect in the maintenance activities carried out, one of which is in the field of weighbridge maintenance services. This study aims to analyze the Occupational Safety and Health (K3) risks at PT. Cahyo Permata Abadi in weighbridge maintenance activities. The research method is Job Safety Analysis (JSA). The results of the Risk Analysis study show that several activities have significant potential hazards. In troubleshooting, there is a risk of electric shock and muscle injury with a risk value of 9. Checking the electrical system faces the risk of electric shock and short circuits with a risk value of 8. Other activities such as sensor calibration, platform cleaning, and load testing have moderate risks with potential hazards such as falling from a height, slipping, and being hit by a load. Research suggestions for risk control should be carried out through various safety measures, including the use of Personal Protective Equipment (PPE) such as insulating gloves, safety shoes, and full body harnesses. In addition, safety procedures such as Lock Out Tag Out (LOTO), warning signs, and safe work procedures are also implemented. These controls are designed to minimize potential hazards and ensure worker safety while carrying out these activities.
Optimalisasi Waktu dan Biaya dengan Penambahan Jam Kerja Lembur 3 Jam dan Shift Kerja Sudianto, Toto; Mahendra, Muhammad Oka; Putra, Al Fiillian Sah; Qishas, Haechal Fachar
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.43941

Abstract

In construction projects, delays often occur, causing increased costs and delays in completion. This study analyzes project acceleration with the crashing method on the Untirta Rectorate Building Construction Project, comparing the alternatives of 3-hour overtime and work Shifts. The goal is to determine the optimal project duration and cost. The analysis shows that there are 14 jobs on the critical path. The results of acceleration with 3-hour overtime resulted in a project cost of Rp3,104,007,500 with a duration of 431 days, while work Shifts require Rp1,280,228,250 with a duration of 427 days. The total slope cost for 3-hour overtime is Rp193,244,923.38, and work Shifts Rp36,611,338.93. Alternative cost comparison shows that overtime has direct costs of Rp49,158,386,780 and indirect costs of Rp3,971,376,850, while Shift work has direct costs of Rp47,334,607,530 and indirect costs of Rp3,962,700,980. Shift work is more efficient in terms of cost and time.
Analisis Pengaruh Pengetahuan K3, Sikap K3, dan Kesadaran Berperilaku K3 Terhadap Produktivitas Kerja Mahendra, Muhammad Oka; Putra, Al Fiillian Sah; Refiza, Hazazil Zabila
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.43943

Abstract

The success of a project is greatly influenced by the productivity of its workers. K3 is an indicator of the success of a project. This study aims to determine the effect of K3 knowledge on work productivity, to determine the effect of K3 attitudes on work productivity, to determine the effect of K3 behavioral awareness on work productivity. This type of research uses quantitative methods. Data collection techniques using questionnaires, unstructured interviews, field observations and literature studies. The sample in this study were construction workers at two building construction project locations totaling 125 respondents. The data analysis method used is descriptive analysis, instrument testing (validity testing and reliability testing), classical assumption testing (normality testing), multiple linear regression coefficient testing, and hypothesis testing (t-test, f-test, and coefficient of determination). The magnitude of the influence that has been proven through the determination coefficient test for the independent variable is 18.7% on the dependent variable which can be concluded that the independent variable does not have a large influence.
Analisis Kinerja Biaya dan Waktu dengan Metode Earned Value Analysis (Studi Kasus: Revitalisasi Pasar Gembrong Sukasari) Saputro, Teguh Eko; Mahendra, Muhammad Oka; Putra, Al Fiillian Sah
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.44077

Abstract

The construction industry in Indonesia continues to grow, yet projects often face deviations from initial plans, particularly concerning cost overruns and schedule delays. This study evaluates the cost and schedule performance of the Revitalization of Pasar Gembrong Sukasari Market using Earned Value Analysis (EVA), a quantitative method for monitoring project efficiency. Data were derived from weekly progress reports, S-curve projections, and the project’s budget plan (RAB). At week 35, the Planned Value (BCWS) was IDR 55,052,769,527.00, while the Earned Value (BCWP) and Actual Cost (ACWP) both amounted to IDR 49,830,463,809.67. The Cost Variance (CV) of IDR 0 and Cost Performance Index (CPI) of 1.00 indicated precise adherence to the budget. However, a Schedule Variance (SV) of -IDR 5,222,305,717.33 and a Schedule Performance Index (SPI) of 0.905 revealed significant schedule delays. These findings demonstrate that while the project maintained financial efficiency, critical time management inefficiencies led to schedule overruns. The study underscores the effectiveness of EVA in identifying performance gaps and highlights the need for improved scheduling strategies to align time and cost objectives in construction management.
Analisis Produktivitas Waktu dan Perbandingan Biaya Pekerjaan Tiang Pancang Prabowo, Yudi Setio; Pratama, Andika; Putra, Al Fiillian Sah
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.43965

Abstract

The advancement of technology continues to progress to meet society's need for efficiency and convenience in work, including improving time productivity in structural tasks such as pile foundation installation in construction projects. This research aims to analyze time efficiency and compare the field Budget Plan (RAB) costs with the SNI 2022 Budget Plan (RAB) costs for pile foundation installation. The study was conducted using unstructured interview methods with the site manager to gather primary data from the construction project of PT. Gudang Garam Tbk's cigarette depot building. A quantitative method was applied in this research.The analysis revealed that for the installation of 152 pile units, the highest time productivity was recorded at 0.384 m/min or 23,07 m/hour, the lowest at 0.192 m/min or 11,51 m/hour, and an average installation rate of 0.282 m/min or 16,95 m/hour. Additionally, this study also obtained a comparison between the field RAB (Budget Plan) costs and the SNI 2022 RAB costs. The field RAB cost for pile installation was Rp287,280,000,-. Meanwhile, the SNI 2022 RAB cost for pile installation was Rp441,663,676,-.
Analisis Optimalisasi Waktu dan Biaya dengan Penambahan Jam Metode Time Cost Trade Off Mahendra, Muhammad Oka; Saputro, Teguh Eko; Putra, Al Fiillian Sah
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.44078

Abstract

Construction projects are bound by predefined schedules and budgets established from the outset. This study aims to optimize time and cost through a 3-hour daily overtime intervention, focusing on evaluating schedule acceleration effectiveness and resource efficiency. The Time Cost Trade Off (TCTO) method was applied via crashing techniques, systematically calculating cost-time trade-offs. Analysis centered on critical paths identified using the Critical Path Method (CPM), with schedule compression achieved through additional work hours. The findings reveal that the project duration was reduced from 180 days to 145 days, achieving a 35-day reduction (19.4%). This outcome demonstrates that targeted overtime interventions on critical activities optimize time allocation without compromising cost control, while affirming the relevance of the TCTO-CPM integrated approach in construction project management. overtime wages.
Penerapan Microsoft Project dalam Metode Crashing Terhadap Waktu dan Biaya Mahendra, Muhammad Oka; Saputro, Teguh Eko; Putra, Al Fiillian Sah
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.44080

Abstract

The PPLP Banten Building construction project experienced significant delays due to the extension of the implementation time, design revisions (shop drawings), and inaccurate material delivery. This study implemented a schedule compression strategy using Microsoft Project with two acceleration alternatives based on the AHSP standard. The crashing research method. The results of the study showed that the project duration was successfully shortened by 678 days with the 4-hour/day overtime alternative, while further work shift optimization reduced the duration to 530 days. Cost analysis showed differences between the two alternatives: with 4-hour/day overtime, the acceleration cost reached IDR3,066,675,000 (AHSP), while the work shift only cost IDR1,223,565,000 (AHSP). Comparison of cost slopes strengthened the advantages of work shifts: 4-hour/day overtime resulted in a cost slope of IDR193,067,245.23/day (AHSP), while the work shift only cost IDR33,638,199.58/day (AHSP). Evaluation of total costs (direct and indirect) also confirmed the efficiency of work shifts, with direct costs of Rp9,512,731,986.58 and indirect costs of Rp1,273,456,116.78, compared to 4 hours/day of overtime which required direct costs of Rp9,672,161,032.20 and indirect costs of Rp1,322,728,805.77.
Briket Solar Uno Machine: Inovasi Mesin Pencetak Arang Briket Otomatis dengan Integrasi Panel Surya Putra, Al fiillian Sah; Nalhadi , Ahmad; Supriyadi , Supriyadi
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 11 No. 1 (2025): Juni
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v11i1.10301

Abstract

Pengembangan suatu alat pembuatan arang briket merupakan langkah penting dalam meningkatkan efisiensi proses produksi. Namun, ketergantungan pada operator menyebabkan ketidaktepatan dalam efisiensi waktu produksi. Selain itu, koordinasi antara pengisian cetakan, pengepresan, dan pelepasan arang briket sering kali mengalami keterlambatan akibat jeda waktu yang tidak seragam. Perbedaan kecepatan kerja setiap operator juga berpengaruh terhadap jumlah arang briket yang dihasilkan dalam satu siklus produksi, sehingga output produksi tidak selalu konsisten dalam periode waktu tertentu. Tujuan penelitian menciptakan suatu alat bantu yang dapat mempercepat waktu produksi arang briket. Penelitian ini menggunakan metode design thinking. Tahapan penelitian dengan melakukan Empathize, Define, Ideate, Prototype dan terakhir melakukan test. Hasil dari penelitian ini yaitu rancangan prototipe briket solar uno machine. Berdasarkan hasil penelitian, waktu proses produksi arang briket dapat  diakuratkan serta keseragaman produk juga menjadi tolak ukur keberhasilan, dimana pemrograman yang dilakukan terhadap sensor ultrasonic memastikan setiap arang briket dipotong dengan ukuran yang seragam dengan jarak 5 cm dengan bantuan actuator 220v yang akan melakukan tindakan atas perintah sensor sekaligus menghilangkan variasi panjang yang tidak diinginkan. Kapasitas produksi turut mengalami peningkatan berkat motor penggerak yang lebih efisien, memungkinkan alat ini menghasilkan lebih banyak briket dalam 3 detik per 2 arang briket. Harapannya, alat yang di kembangkan ini dapat membantu mengefisienkan waktu produksi dalam pembuatan arang briket.
Co-Authors Al Hafiz, Muhammad Rafi Andika Pratama Mahendra, Muhammad Oka Nalhadi , Ahmad Prabowo, Yudi Setio Qishas, Haechal Fachar Refiza, Hazazil Zabila Saputra, Muhammad Zeit Geist Saputro, Teguh Eko Sudianto, Toto Supriyadi Supriyadi Wirayudha, Muhammad Hafidz Yuslistyari, Eka Indah