Irwan Iftadi
Universitas Sebelas Maret Surakarta

Published : 37 Documents
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Journal : PERFORMA : Media Ilmiah Teknik Industri

Penilaian Resiko Musculoskeletal Disorders Pekerja Harian Lepas PDAM Tirta Lawu Karanganyar

Performa: Media Ilmiah Teknik Industri Vol 13, No 1 (2014): PERFORMA Vol. 13, No 1 Maret 2014
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

PDAM Tirta Lawu Karanganyar is a local company that handles the distribution of water inKaranganyar, Central Java. The company serves the whole society of the various groups. In the process of delivery service, it was found the existence of Manual Material Handling (MMH) in the installation of water distribution networks. There are some activities which relatively easy to do, but in time and high repetition. In the beginning of interview was found that 4 from 6 workers have back pain in the hips and waist after work, then the part of body will be mapped by Nordic Body Map as a tool to strengthen the notion of mapping. This study uses REBA as the most appropriate valuation method in proving the existence of Musculoskeletal Disorders (MSDs) in the workplace. The result is there are 5 work elements as a subject of ergonomics evaluation. REBA method was proved to show some activities on high risk for the operator health of non-permanent employees (PHL)

Perancangan Alat Bantu Pemasangan Stiker Gitar untuk Mengurangi Keluhan dan Memperbaiki Postur Kerja di Tarjo Guitar Sukoharjo

Performa: Media Ilmiah Teknik Industri Vol 10, No 2 (2011): PERFORMA Vol. 10 No 2, September 2011
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

Ketidaktersediaan sarana di home industry Tarjo guitar sebagai pembuat gitar perlu mendapat perhatian dan perlu diperbaiki dalam meningkatkan produktivitas dan performansi kerja karyawan. Proses produksi dimulai dengan memproduksi gitar setengah jadi yang diamplas di stasiun pengamplasan, kemudian masuk proses pemasangan kawat tipis pada leher gitar pada stasiun shande dan diakhiri dengan stasiun finishing. Stasiun finishing terdiri atas proses pengecatan dasar, pemasangan stiker dan pengecatan melamin serta pemasangan glayer dan senar. Pada bagian pemasangan stiker, karyawan mengerjakan pada posisi duduk di lantai dengan kaki diluruskan ke depan tanpa menggunakan meja kursi atau sarana kerja yang lain dalam menyelesaikannya. Kondisi yang demikian dialami pekerja setiap hari yang berakibat menimbulkan rasa tidak nyaman bagi pekerja.Pada penelitian ini dilakukan dengan memperhatikan kebutuhan operator pemasang stiker gitar. Daftar kebutuhan operator yang diperoleh melalui wawancara dan analisis dengan postur kerja dengan metode RULA kemudian dikembangkan menjadi desain alat yang disesuaikan dengan kebutuhan dan anthropometri operator. Hasil penelitian ini adalah alat bantu pemasangan stiker gitar berupa meja dengan kotak press stiker yang dilengkapi dengan pencekam permanen dan pencekam portable untuk mencekam gitar dan ketinggian meja yang disesuaikan dengan anthropometri operator. Hasil rancangan mampu mengurangi keluhan dan menurunkan level resiko postur kerja ditunjukkan dengan penurunan skor akhir RULA dari 7 ke 3 yang berarti level resiko menjadi kecil dan tindakan diperlukan untuk beberapa waktu ke depan.

Perancangan Peta Evakuasi Menggunakan Algoritma Floyd- Warshall untuk Penentuan Lintasan Terpendek: Studi Kasus

Performa: Media Ilmiah Teknik Industri Vol 10, No 2 (2011): PERFORMA Vol. 10 No 2, September 2011
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

Peta evakuasi sangat penting bagi suatu rumah sakit. Hal ini dikarenakan untuk mengurangi resiko saat terjadi bencana (gempa bumi) dan sebagai syarat akreditasi untuk memperoleh akreditasi suatu rumah sakit. Penelitian ini bertujuan untuk menyusun peta evakuasi dan penandaannya. Dengan perancangan peta evakuasi, diharapkan dapat terpenuhi salah satu syarat akreditasi rumah sakit dan memudahkan penghuni bangunan rumah sakit dalam mencari jalan tercepat saat keadaan darurat atau keadaan bahaya. Terdapat dua tahap dalam perancangan peta evakuasi. Tahap yang pertama ialah perancangan alur evakuasi dengan menggunakan Algoritma Floyd-Warshall untuk menentukan lintasan terpendek. Tahap kedua ialah penandaan peta evakuasi. Tahap pertama terdiri dari enam tahap, yaitu pembuatan block plan Rumah Sakit Umum Daerah Kabupaten Kebumen, penentuan letak titik berkumpul (assembly point), penentuan node, pemilahan titik berkumpul (assembly point) untuk masing-masing ruang, penentuan jarak masing-masing ruang ke titik berkumpul (assembly point), dan penentuan alternatif evakuasi. Tahap kedua merupakan perancangan penandaan peta evakuasi. Dalam hal ini, warna dan bahan penandaan peta evakuasi sesuai dengan Rumah Sakit Islam Surakarta. Penandaan peta evakuasi dibuat dari bahan acrlylic dan dipasang sepanjang jalur evakuasi. Hasil penelitian menunjukkan bahwa terdapat 40 ruang yang dapat langsung ditentukan lintasan evakuasinya dan 35 ruang ditentukan lintasan terpendeknya dengan menggunakan Algoritma Floyd-Warshall. Dari ketiga puluh lima ruang itu, 16 ruang menuju titik berkumpul sebelah utara, 5 ruang menuju titik berkumpul sebelah barat, dan 14 ruang menuju titik berkumpul sebelah selatan. Sehingga titik berkumpul sebelah utara menampung 39 ruang, titik berkumpul sebelah barat menampung 19 ruang, dan titik berkumpul sebelah selatan 17 ruang serta peta evakuasi telah disusun dan akan dipasang di tempat-tempat strategis sepanjang jalur evakuasi.

Perancangan Sistem Pengendali Suhu dan Kelembaban untuk Budidaya Jamur Kuping

Performa: Media Ilmiah Teknik Industri Vol 12, No 1 (2013): PERFORMA Vol. 12, No 1 Maret 2013
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

Mushroom cultivation is a new source of food. The cultivation requires the control of temperatureand humidity to produce good quality of mushroom. Nowdays, there are many tools of automatic or manual temperature and humidity control system. However, they have many limitation in practical situation, such as difficulties in use and assembly. This research aims to design and make a better prototype of temperature and humidity control system, which can improve the productivity of mushroom harvest.The research method has two phases, that are conceptual design and tool and system design. The conceptual design phase includes need identification, system design, and component selection. The second phase are tools application and main system, includes microcontroller, sensor, heater, refrigerator, electronic circuit, hardware, the programming tool, and assembly of tools.The research produces a prototype of temperature and humidity control by using ATmega16 microcontroller, which increases the response time of temperature and humidity control, automatically controlling the system, easy to use and maintanance, and improve the previous system which is still manual control. The prototype is able to help the farmers to control the temperature and humidity in mushroom cultivation. The result from the application of the prototype indicates that it can increase the productivity of the mushroom harvest.

USULAN PERBAIKAN POSTUR KERJA OPERATOR PROSES PRODUKSI BATIK CAP DI BATIK PUTRI MULYO DENGAN METODE VISUAL MANAGEMENT

Performa: Media Ilmiah Teknik Industri Vol 16, No 2 (2017): PERFORMA Vol. 16, No 2 September 2017
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

Observations made at work stations of  batik cap production, there are still some working conditions that are not appropriate on their worker, one of which is unnatural posture. Unusual work postures that can trigger the occurrence of pain complaints such as musculoskeletal disorders (musculoskeletal disorders). Often unwittingly, batik workers work with positions or postures that have health risks such as musculoskeletal disorders (MSDs). Based on the observation seen that at the work station batik production there are some problems related work methods. Therefore, to improve which work station needs to be repaired, it is necessary to do risk assessment of batik production station work posture using Visual Management approach.                    The Visual Management approach in this study uses the ergonomic analysis method for the whole body of REBA (Rapid Entire Body Assessment) and OWAS (Ovako Working Posture Analysis System), upper limb RULA (Rapid Upper limb Assessment) and OCRA checklist and by adding some aspects Associated with overload and repetitiveness in the OCRA checklist and OWAS.                Based on the assessment of work posture by visual management method, the result of OES value shows 3 processes with OES value ≤ 0.4 with accepted operational status and 2 process with OES value is in the range 0.4 <OES ≤ 0.5, with operational status becomes' necessary further investigation, Changes may be required

Perancangan Sistem Informasi Portofolio Dosen di Jurusan Teknik Industri UNS

Performa: Media Ilmiah Teknik Industri Vol 10, No 1 (2011): PERFORMA Vol. 10, No 1 Maret 2011
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

Portfolio lecturer required for the interests of each faculty and department. Portfolio lecturer required for promotion of faculty and lecturers certification. On the other hand, the portfolio required by the department faculty as an important part in the assessment of accreditation at the majors and is also used to compile Ekuivalensi Nilai Mengajar Penuh (EWMP). In this research, the initial system identification, system design proposal, and then to design the application. Identification of the initial system is to find problems early and identify the needs of the system the desired system, both input and output. The design of the proposed system consists of the design of the proposed system framework, design hardware and software, design development cost structure, and design calculations EWMP value. While the design phase consists of designing application interface and database design. Then, from the design interface is created between the face using the program Visual Basic 2008 and the design of the database created with MySQL database. The results of this study is information systems portfolio based computer that can print EWMP data, supporting the certification process lecturers, support the accreditation process majors, and supporting faculty promotion process. Designed system has a database for storing data and capable of storing a lecturer portfolio data from the KP and TA SIKAPTA databases and applications to enter and retrieve data as needed. Applications can be accessed by multiple users simultaneously via an internet connection. Through computer-based information systems, all lecturers EWMP activity will be recorded neatly, can be traced back and ready to print when needed. In addition, data can be managed more EWMP by lecturers to the process of certification and promotion.

Perancangan Sistem Kearsipan di Bagian Tata Usaha Jurusan Teknik Industri Universitas Sebelas Maret Surakarta

Performa: Media Ilmiah Teknik Industri Vol 10, No 1 (2011): PERFORMA Vol. 10, No 1 Maret 2011
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

This study consists of three stages. The first stage is to identify the current condition of archival records systems and mapped into the business process. The requirements of current system are analyzed by considering the identification of current system. The requirements of the system will be used as a reference of the new system development. System improvements can be conducted by analyzing business processes then make improvements by using the Business Process Improvement (BPI). The archival records design is conducted by preparing the classification of records, designing the retention schedules, improving the arrangement of order in filing cabinet, and calculating the cost of the system. The result of this study is the index list of records that is stored in filing cabinet by using the combination classification of filing system, consist of subject filing system, alphabetical filing system, and chronological filing system. The design of archival records system is feasible to be developed in the administration after analyzed by using the benefit-cost ratio (BCR) analysis. By implementing the system, the time required to search 20 records decrease 39.25% prior to implementation.

Perancangan Aplikasi Reba Solver Berbasis Sistem Operasi Android V 4.0.3

Performa: Media Ilmiah Teknik Industri Vol 12, No 1 (2013): PERFORMA Vol. 12, No 1 Maret 2013
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

Most of the workers work without pay attention to their body posture. This is caused by lack ofknowledge and awareness about the importance of education. As result, health problem occurs among the workers that might causes injuries. Reba is one of the method that has been used to score/inspect body posture related to health problems among the workers. There are some steps to calculate Reba Score such as shooting stage, stage of determining the angles of worker posture, weight determination, and data processing Reba .Processing stage takes a long time because the user should see a table reference in calculating REBA score. Therefore we need a tool to calculate the Reba score. Designing tools to facilitate calculation REBA scores made on Android-based HP. As a result, when calculating scores Reba with the tools to save time 62% of the manual count

Identifikasi dan Penyusunan Faktor Kepuasan Pelayanan di UPT Perpustakaan Pusat Universitas Sebelas Maret Berdasarkan Persepsi Pengunjung

Performa: Media Ilmiah Teknik Industri Vol 11, No 1 (2012): PERFORMA Vol. 11, No 1 Maret 2012
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

The evaluation of UNS Central Library service satisfaction has not been considering visitors factor. Meanwhile, visitors are the main consumers of UNS Central Library. The purpose of this study is to identify and organize factors influencing UNS Central Library service satisfaction based on visitors perceptions. The study consisted of four stages, which are identification of initial attributes, confirmation of initial attribute list, confirmation of attributes, and grouping of attributes. The study has suggested 25 attributes considered important by respondent. Those 25 attributes are clustered into four factors. Ten attributes into the service affect factor, seven attributes into the library as place factor, three attributes into the personal control factor, and five attributes into the information access factor.

Perancangan Meja Pencekam dan Kursi Guna Memperbaiki Postur Kerja berdasarkan Pendekatan Anthropometri di Lathan Furniture

Performa: Media Ilmiah Teknik Industri Vol 9, No 2 (2010): PERFORMA Vol. 9, No 2 September 2010
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

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Abstract

Work activities at the dining chair assembly station in Lathan Furniture are still simple. Based on the results of the Nordic Body Map questionnaires which are distributed to the five workers, worker injured muscles in the lower neck (80%), shoulder (20%), back (40%), waist (40%), hips (20%), buttocks (20%), thigh (40%), knee (60%), and calf (80%). And based on the Rapid Entire Body Assessment in the activity of weaving the back seat, turning the chair and putting a chair after being reversed, all of this activities are in a higher level with the REBA score of 11, 9, and 8. While the movement of the front seat weaving, weaving the sides of the legs of the chair, and wicker chair leg, all of this activities have REBA score 4, 5, and 4. To improve working posture at this time, it is necessary to design clamp table and chairs based on anthropometric approach. From the assessment results of working posture with the REBA method, workers’ working posture has improved after using the work facility design result. On the front chair weaving movement decreased level, from level 2 to level 1, the rear backrest weaving movements decreased level from level 3 to level 2, braided chair leg movements also decreased level, from level 2 to level 1. That can be concluded that the result design of chuck table and chair can improve working posture of the workers.