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All Journal Journal of Research and Technology TARBAWY: Indonesian Journal of Islamic Education Jurnal Cakrawala Maritim Proceeding Maritime Business Management Conference PROCEEDINGS CONFERENCE ON DESIGN AND MANUFACTURE AND ITS APPLICATION Conference Proceeding on Waste Treatment Technology
Fitri Hardiyanti
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Religion Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Analisa Perhitungan Kebutuhan Tenaga Kerja Menggunakan Resource Leveling Method danWork Load Analysis Dwi Nur Indah Sari; Renanda Nia Rachmadita; Fitri Hardiyanti
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 3 No 1 (2019): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

PT. BBI (Boma Bisma Indra) is one of the manufacturing companies, working based on orders from consumers, which starts from the design process (Engineering To Order). The products produced include pressure vessels, condensers, cranes and heat exchangers. The problem that arises is that production has been experiencing delays, one of which is due to labor. Could be because the composition of the number of workers is not right or the workload is not yet suitable. To find out these problems, resource leveling methods are used to optimize / evenly distribute the number of human resources used so that there is no significant difference from the number of workers in each activity, and avoid the possibility of excess labor. In its application this method can use the PDM (Precedence Diagram Method) method. After the leveling of human resources (resource leveling) will then be performed calculations of human resource needs using work load analysis to determine the workload on each work activity. The results showed a labor of 1 person marking, 2 people leave, 2 people drilling, 2 people assembly, and finishing 6 people. With the existing workload produced more labor, namely marking 1 person, cutting 5 people, drilling 3 people, assembling 6 people, and finishing 21 people.
Perancangan Ulang Tata Letak Lantai Produksi Berdasarkan Metode 5S (Seiri, Seiton, Seiso, Seiketsu, Shitsuke) Alya Ulfatul Jannah; Mohamad Hakam; Fitri Hardiyanti
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 3 No 1 (2019): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

A company engaged in metal casting is building a steel casting project. The layout design in the project has several problems, including the utilization of the area is not optimal, does not pay attention to the proximity relationship between facilities so that excessive movement in material handling occurs. This can affect the productivity of the company. This study aims to determine the total distance of material handling movements so that the selected alternative layout will be obtained. The selected layout can increase efficiency by 4.06% in the total distance of material handling movements. The results of the 5S evaluation using the respondent response sheet on the selected layout have a total score of seiri 4.47, seiton score 4.43, seiso score 4.50, seiketsu score 4.20 and shitsuke score 4.30. Overall, the score is 4.38, so based on the Likert scale it can be categorized as very good.
Optimasi Penjadwalan Produksi Menggunakan Metode Campbell Dudek Smith (CDS) Dan Metode Nawaz EnscoreHam (NEH) di PT. RPC Indonesia Mohammad Adjie Irfansah; Fitri Hardiyanti; Rizal Indrawan
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

Industrial competition in the era of globalization causes every company engaged in manufacturing to continue to develop quality to meet customer satisfaction. PT RPC Indonesia is one of the manufacturing companies engaged in the production of fiberglass, especially in piping components. PT. RPC Indonesia implements a make to order and flowshop production system which has a function to increase production capability and production services by focusing on machine utility and accuracy of production completion to match the set time through scheduling methods.Campbell Dudek Smith (CDS) and Nawaz Enscore Han (NEH) methods are the proposed methods in this research. These two methods will be compared with the company's existing method to determine the best and optimal scheduling method by finding the minimum makespan value. The results of this study show that both methods can be used by companies as alternative scheduling models in minimizing total production time. Scheduling with the CDS method produces a makespan of 3834.15 hours and is 1069.34 hours faster than the existing method. Likewise, the NEH method produces a makespan of 3820.63 hours and is 1082.86 hours faster than the existing method. Based on these criteria, the most recommended method for the company is theNawaz Enscore Ham (NEH) method.
Perancangan Ulang Tata Letak Lantai Produksi Berdasarkan Metode 5S (Seiri, Seiton, Seiso, Seiketsu, Shitsuke) Alya Ulfatul Jannah; Mohamad Hakam; Fitri Hardiyanti
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

A company engaged in metal casting is building a steel casting project. The layout design in the project has several problems, including the utilization of the area is not optimal, does not pay attention to the proximity relationship between facilities so that excessive movement in material handling occurs. This can affect the productivity of the company. This study aims to determine the total distance of material handling movements so that the selected alternative layout will be obtained. The selected layout can increase efficiency by 4.06% in the total distance of material handling movements. The results of the 5S evaluation using the respondent response sheet on the selected layout have a total score of seiri 4.47, seiton score 4.43, seiso score 4.50, seiketsu score 4.20 and shitsuke score 4.30. Overall, the score is 4.38, so based on the Likert scale it can be categorized as very good.
PENGARUH TREATMENT ALKALI TERHADAP KARAKTERISTIK FIBER SABUT KELAPA SAWIT DAN PELEPAH PISANG SEBAGAI BAHAN KOMPOSIT POLIMER Setiawan, Adhi; Vivin Setiani; Fitri Hardiyanti; Devina Puspitasari
Journal of Research and Technology Vol. 5 No. 2 (2019): JRT Volume 5 No 2 Des 2019
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v5i2.321

Abstract

The use of synthetic fibers in the fabrication of polymer composite materials has a negative impact on the environment. Natural fibers such as palm oil waste and banana pseudostem can be an alternative material for synthetic fibers because they are more economical, high specific strength, and environmentally friendly. The alkali treatment needs to be carried out on fibers for removal of lignin, hemicellulose, and impurity so that they can improve interfacial bonding between the fiber and the polymer matrix. The alkali treatment was carried out through fiber immersion in conditions without NaOH, 5% wt NaOH solution, and 10% wt for 24 hours. Fiber before and after alkalization were analyzed using Scanning Electron Microscope (SEM), X-Ray Difraction (XRD), Fourier Transform Infrared (FTIR), and Thermogravimetric Analysis (TGA) methods. The results showed that alkali treatment was effective in removing the components of lignin, hemicellulose, and impurities in fiber. The result of the SEM showed that the treated fiber surface had a cleaner surface than treatment without fiber. The alkalitreatment process can improve the crystallinity and crystallinity index of the fiber due to amorphous component removal of lignin and hemicellulose. The TGA result of palm oil fiber with alkali treatment and without alkali treatment produced weight loss of 88,2% and 98,4% respectively. This showed that the alkali treatment can increase the thermal resistance of the palm oil fiber.
Inventarisasi Emisi CO2 Berdasarkan Penggunaan Energi pada Industri Galangan Kapal Islahiya Yuli Ayona; Ahmad Erlan Afiuddin; Fitri Hardiyanti
Conference Proceeding on Waste Treatment Technology Vol. 1 No. 1 (2018): Conference Proceeding on Waste Treatment Technology
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

Industri galangan kapal merupakan salah satu perusahaan yang bergerak dibidang pembuatan kapal. Dengankapasitas yang besar industri ini bisa menyebabkan efek gas rumah kaca dari pembakaran bahan bakar fosildan penggunaan energi. Efek gas rumah kaca biasa terjadi karena berlebihnya gas CO2 di atmosfer yangmemiliki dampak peningkatan suhu dibumi, perubahan iklim, dan naiknya permukaan air laut. Industrigalangan kapal merupakan salah satu industri yang berpotensi menghasilkan gas CO2 yang cukup besar,untuk itulah dilakukan penlitian mengenai perhitungan inventarisasi emisi CO2. Penelitian ini memilikitujuan untuk menghitung jumlah emisi karbon dikosida di area bengkel, assembly, gudang dan kantor padagalangan kapal. Langkah pertama untuk menghitung jumlah emisi karbon ini dimulai dengan mengidentifiksisumber emisi karbon dioksida selanjutnya menghitung inventarisasi emisinya dimana perhitungannyamengacu pada IPCC 2006. Berdasarkan hasil penelitian yang telah dilakukan, total emisi CO2 primer dansekunder di galangan kapal sebesar 358.693,723 ton CO2/tahun.
Co-Authors Aam Abdussalam Aang Wahidin Adhi Setiawan Aditya Maharani Agus Khumaidi Ahmad Erlan Afiuddin Alya Ulfatul Jannah Angger Eka Bagus Aprilianto Arie Indartono Betty Nur Kumala Devina Puspita Sari Devina Puspitasari Dwi Nur Indah Sari Elan Sumarna Friska Agniezka Rossalia Gaguk Suhardjito Ighfa’atuz Zuhriyah Ira Yulia Utami Irma Rustini Aju Islahiya Yuli Ayona M. Ray Albani Subait Hayato Mochamad Yusuf Santoso Mochammad Choirul Rizal Mohamad Hakam Mohammad Adjie Irfansah Nafa Yunitasari Renanda Nia Rachmadita Rizal Indrawan Ruddianto Ruddianto Tri Tiyasmihadi Vivin Setiani Yesica Novrita Devi