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Ratriwardhani, Ratna Ayu

Universitas Nahdlatul Ulama Surabaya

Author-ID : 2532765

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IDENTIFIKASI KESALAHAN MANUSIA DENGAN PENDEKATAN TECHNIQUE FOR HUMAN ERROR RATE PREDICTION (THERP) Ratriwardhani, Ratna Ayu
Heuristic Vol 15 No 02 (2018)
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30996/he.v15i02.2141

PT. X adalah perusahaan manufaktur yang menghasilkan komponen boiler yang mengerjakan 500 karyawan dan 1500 karyawan subkontraktor dengan berbagai macam peralatan kerja dengan tingkat resiko terjadi kecelakaan yang tinggi. Meskipun perusahaan telah menerapkan zero accident, ternyata kecelakaan kerja masih sering terjadi. Penelitian ini dimaksudkan untuk mengidentifikasi kesalahan manusia saat bekerja dengan overhead crane juga mengidentifikasi efek terjadinya kesalahan manusia setiap prosedur pengoperasian overhead crane untuk meminimalisasi terjadinya kesalahan manusia. Dengan menggunakan metoda THERP ternyata Â didapatkan besar HEP untuk benda kerja yang berbentuk bulat, persegi, beraturan dan tak beraturan masing-masing sebesar 0.051; 0.05; 0.046; dan 0,043. Maka direkomendasi bahwa untuk tugas-tugas yang kritis diperlukan administratif kontrol pada setiap prosedurnya, pengawasan oleh inspektor atau pemberian label dan tanda SWL pada setiap pengangkatan accesories yang digunakan, perawatan pada mesin, pelatihan, peringatan kembali mengenai prosedur pada operator.Kata Kunci: kesalahan manusia, over crane, analisa kehandalan

ANALISA AKTIVITAS PENGANGKATAN DENGAN METODE RECOMMENDED WEIGHT LIMIT (RWL) Ratna Ayu Ratriwardhani
TEKNOLOGI MEDIS DAN JURNAL KESEHATAN UMUM Vol 3 No 1 (2019): Medical Technology and Public Health Journal March 2019
Publisher : UNUSA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/mtphj.v3i1.947

Manual material handling if done inappropriately can pose a risk of injury to the body, mainly in the spine, which is usually referred as musculoskeletal disorders (MSDs). Based on direct interview with warehouse workers of PT. X, it is known that in the lifting or transfering mineral water activity often causes pain in the waist and spine. This study is intended to analyze the work posture and the load level that is safe for workers to reduce the risk of MSDs, the analysis is carried out with the Recommended Weight Limit (RWL) method. From the calculation gained RWL origin = 15.36kg / 34.07lbs and destination RWL = 18.54kg / 41.12lbs. Then the origin LI value = 0.9 and destination LI = 0.8. From the results of the Lifting Index can be concluded that the risk level of this work is low and there is no problem with the lifting work. The weight of load raised does not exceed the recommended lifting limit, so there are no repairs to the work needed, but the activity must keep to get attention so the LI value can be maintained and the activity does not bear the risk of spinal injury.

ANALISIS KECELAKAAN KERJA DENGAN MENGGUNAKAN METODE HFACS PADA PT. X Ratna Ayu Ratriwardhani
TEKNOLOGI MEDIS DAN JURNAL KESEHATAN UMUM Vol 4 No 1 (2020): Medical Technology and Public Health Journal March 2020
Publisher : UNUSA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/mtphj.v4i1.1465

PT. X merupakan perusahaan yang bergerak di bidang fabrikasi dan manufaktur penghasil boiler yang terletak di Surabaya Jawa Timur. Sesuai dengan data laporan kecelakaan yang didokumentasikan oleh Environment Health Safety Officer (EHS) PT. X selama tahun 2015-2019 terdapat 50 kasus kecelakaan. Dari beberapa kasus yang telah terdokumentasi oleh EHS tersebut, terdapat beragam penyebab, ada beberapa kasus kecelakaan yang terjadi berulang kali dengan penyebab yang hampir sama. Bahkan telah dilakukan investigasi setelah terjadinya kecelakaan namun kecelakaan masih saja berulang. Hal ini membuktikan bahwa terdapat faktor lain yang tidak teridentifikasi atau adanya rekomendasi yang tidak efektif dari analisa yang telah dilakukan. Metode Human Factors Analysis and Classification System (HFACS) adalah suatu alat analisa kecelakaan yang digunakan untuk menganalisa suatu kecelakaan pada aspek Human Factor. Metode ini dikembangkan oleh Wiegmann dan Shappell pada tahun 2003. Metode ini didasarkan oleh model Swiss Cheese. Hasil analisis kecelakaan menggunakan metode HFACS, telah dibuktikan bahwa kecelakaan yang terjadi dikarenakan adanya kegagalan pada tindakan tidak aman yaitu kesalahan yang terjadi karena skill, kesalahan pengambilan keputusan, salah persepsi, pelanggaran yang dilakukan secara rutin, pelanggaran luar biasa. Berikutnya, kegagalan pada pre kondisi untuk tindakan tidak aman yaitu lingkungan fisik, lingkungan kerja (teknologi), crew resource management, mental yang merugikan perusahaan, fisik yang merugikan perusahaan. Selanjutnya, pada tahapan pengawasan yang membahayakan yaitu pengawasan yang tidak memadai, pengawasan yang gagal untuk mengetahui masalah, pelanggaran pengawasan. Tahapan yang terakhir adalah organisasi yaitu sumber daya manajemen, dan proses dalam organisasi. Hasil uji koefisien kontingensi terdapat asosiasi pada tahapan sumber daya manajemen dan pelanggaran pengawasan. Hasil uji kontingensi menunjukkan bahwa pada kasus ini hampir semua kegagalan mempengaruhi kegagalan di tingkat lain. Dengan demikian maka sebaiknya tidak hanya manajemen yang dikontrol, melainkan semua elemen yang berpengaruh harus tetap dikontrol sehingga dapat mencegah terjadinya kecelakaan yang disebabkan oleh human error.

PENILAIAN PROBABILITAS HUMAN ERROR DI INDUSTRI TAMBANG BATUBARA Ratna Ayu Ratriwardhani; Friska Ayu
TEKNOLOGI MEDIS DAN JURNAL KESEHATAN UMUM Vol 5 No 1 (2021): Medical Technology and Public Health Journal March 2021
Publisher : UNUSA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/mtphj.v5i1.1825

Based on data from the Health and Safety Executive, it can be concluded that as many as 90% of accidents are caused by human error. Coal mining is an industry that has a high risk of work accidents. If the mining process is not following procedures, then lives will be at stake. Human error probability assessment needs to be done because most accidents that occur in coal mining are caused by human error. HRA (Human Reliability Analysis) is part of the risk assessment process which aims to calculate the HEP value. HRA has been used in many studies to assess the risks involved in large, complex, and dangerous systems. The Success Likelihood Index Method (SLIM) is a method of analysis for human reliability. Prevention and control of human error need to be done at every stage of work. SLIM can analyze HEP at each stage of the work. SLIM aims to obtain a HEP value. To get the HEP value, we must first find the SLI (Success Likelihood Index) value. Finding the SLI value comes from a weighting questionnaire and PSF (Performance Shaping Factor) assessment that has been filled in by an expert judgment. After the HEP value is obtained, it can be seen which jobs fall into the safe risk level and which the risk cannot be accepted. Furthermore, risk reduction is carried out by making a task analysis of jobs that have a high hazard risk. Based on the research results, it can be seen the factors that cause a human error, namely unsafe conditions, unsafe actions, personal factors, and job factors. While the task that has the highest HEP value is on task 4, which is equal to 0,006932. The task with the smallest HEP value is task 1, amounting to 0,006478.

Hubungan Tingkat Pengetahuan dan Sikap Santri Terhadap Kesiapsiagaan dalam Penganggulangan Bencana Kebakaran di Pondok Pesantren X di Kota Surabaya Friska Ayu; Ratna Ayu Ratriwardhani
Jurnal Bisnis dan Keuangan Vol 6 No 1 (2021): Business and Finance Journal
Publisher : UNUSA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/bfj.v6i1.1976

Preparedness is a part of the disaster management process which aims to prevent and minimize disaster risk which is pro-active before a disaster occurs. Fire disasters can occur anywhere, including in the Islamic boarding schools, this is because in the Islamic boarding schools there is not only a teaching and learning process, but there are additional activities such as fulfilling their daily needs such as the students also live in the cottage during their studies. This research was conducted in July-August 2020 which aims to analyze the relationship between the level of knowledge and attitudes of students towards fire disaster preparedness at Islamic Boarding School Pondok Karya at Manado City. Type of this research using analytic survey with a cross sectional approach, with a total sample of 89 people was taken using accidental techniques. The results of this study showed that as many as 60 students (67.4%) have a level of preparedness that is ready to cope with fire disasters with a good level of knowledge (47.2%) on fire management procedures although only 33 students (37.1%) knew how to use fire extinguisher. Statistical test result using chi square test show that there is a relationship between the level of knowledge (0.002) and attitude (0.000) with the level of preparedness in fire disaster preparedness at Islamic Boarding Scholl Pondok Karya at Manado City. Recommended for Islamic Boarding School Management are required to provide education on fire disaster management preparedness to students at least once a year, so that if a fire disaster occurs, the risk can be minimized.

GAMBARAN PENGGUNAAN APD PERAWAT IGD RSI JEMURSARI SURABAYA PADA MASA PANDEMI COVID-19 Saraswati Dewi Karina; Ratna Ayu Ratriwardhani; Mursyidul Ibad
Jurnal Kesehatan Masyarakat (Undip) Vol 10, No 1 (2022): JANUARI
Publisher : Fakultas Kesehatan Masyarakat Universitas Diponegoro

Based on data compliance with the use and release of PPE Covid-19 pandemic for emergency room nurses during October to December 2020, the use of PPE decreased from October to November, the release of PPE decreased from November to December. This study aims identify the description of the use PPE for emergency room nurses at Jemursari Islamic Hospital. The study used quantitative descriptive design with cross sectional study approach. The research population nurses in emergency room at Jemursari Islamic Hospital, Surabaya. The sample was 32 respondents using total sampling technique. The data used reports of compliance the use and release of PPE obtained through the PPI team and data knowledge, attitudes and actions towards through distributing questionnaires to respondents using the Descriptive Statistics test. The results showed that the majority of nurses were aged <= 30 years (75%), with a D3 education level (63%) and a tenure of > 4 years (72%). The knowledge and attitudes of emergency room nurses about the use of PPE when working are in the good category, while the behavior of most respondents in the complete category is using PPE by 62.5%. The majority of IGD nurses at the Surabaya Islamic Hospital Jemursari are aged <= 30 years, education level is D3 and working period is > 4 years. Knowledge, attitudes and behavior of nurses in the good category and the majority behave completely in wearing PPE. The agency is expected to maintain training on the use of PPE, tighten supervision and reward disciplined nurses.

Risk Assesment Pada Pekerjaan Pengambilan Contoh Uji Di PT. XYZ Mohamad Nurhamzah Ramadani; Merry Sunaryo; Friska Ayu; Ratna Ayu Ratriwardhani
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 13 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Good occupational health and safety (K3) needs to be done in an effort to reduce the possibility of accidents when doing work. To reduce the number of work accidents, it is necessary to control risk in the workplace through risk management, one of the methods is HIRARC. PT XYZ is a company engaged in providing environmental laboratory services. This company has several fields namely administration, analyst, test sample taker. Thearea most at risk is the part of the test sample taker. The purpose of this study is a Risk Assessment on the work of taking test samples at PT. XYZ. This type of research is qualitative with descriptive observational method, by describing the results of hazard identification and risk assessment on the work of taking test samples, in order to obtain a recommendation for hazard risk control using the HIRARC (Hazard Identification Risk Assessment Risk Control) method. Data collection techniques were carried out by observation, in-depth interviews and documentation. Sampling work carried out by test sampling officers PT. XYZ has 26 potential hazards. Test sample taker officer PT. XYZ has a low including the risk of skin irritation, eye irritation, minor injury, moderate includes the risk of muscle pain, fractures.and high includes the risk of injury to death, fire, heat stress, dehydration, respiratory infections. The recommended control refers to the control hierarchy, namely elimination, substitution, engineering, administrative and personal protective equipment. The conclusion of the test sampling job shows that the hazard identification stage of this work produces 26 potential hazards and has a risk level of low, moderate, high. The recommended risk control that has the most priority is the implementation of the OHS management system because the company is required to apply 64 basic criteria

Evaluasi APAR Berdasarkan Permenakertrans Nomor 4 Tahun 1980 di PT.XY Alfina Novita Dewi; Muslikha Nourma Rhomadhoni; Ratna Ayu Ratriwardhani; Bondan Winarno
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 13 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Losses caused by fires that occur in industry are very large, because they involve high asset values, and can cost lives. Fires can occur anywhere, one of which is in the office building of PT. XY which is classified as a light fire hazard. One form of security and prevention against fires is the installation of fire extinguishers. The purpose of this study was to evaluate the suitability of the application of a light fire extinguisher. The type of research in this study is qualitative, namely by comparing the actual condition of light fire extinguishers in the field with the Minister of Manpower and Transmigration Regulation Number 04 of 1980 through observation, interviews, documentation and measurement of the height and distance of the fire extinguisher. The results showed that the number of fire extinguishers as a whole was not appropriate, the type of fire extinguisher had been fulfilled properly, the condition of the fire extinguisher was still not up to standard, the placement of the fire extinguisher was still quite good at the distance between fire extinguishers but there were still some that were not suitable, the maintenance of the fire extinguisher was well maintained but still needs control and the level of knowledge of workers regarding the use of fire extinguishers is quite good but needs to be improved again because there are still some employees who have not received fire training. The conclusion that PT.XY, the, has implemented fire prevention by installing fire extinguisher, there are several indicator components that are not appropriate. Suggestions that can be given are to improve the fire extinguisher indicators that are not appropriate and always carry out routine monitoring to improve fire extinguisher maintenance and provide fire training to workers.

Analisis Postur Kerja Dengan Metode Rapid Upper Limb Assessment (Rula) dan Nordic Body Map Pada Pekerja Produksi di PT. Jayamas Medica Industri Kab. Sidoarjo Adini Anggun Risanti Putri; Ratna Ayu Ratriwardhani; Merry Sunaryo; Muslikha Nourma Rhomadhoni
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 13 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Musculoskeletal disorders (MSDs) are disorders of the skeletal muscles. According to the Bureau of Labor Statistics (BLS), there were 387,820 cases ofmusculoskeletal disorders (MSDs) from the total injuries and illnesses of workers in 2011. This study aims to analyze the level of risk, occupational risk at work. position using the Rapid Upper Limb Assessment (RULA) method. to production workers at PT. Jayamas Medica Industri, Sidoarjo Regency. This study used an analytic observational research design with a cross sectional approach. The population of this study are workers in the manufacturing section. The resulting sample is 29 using the Slovin formula and the sampling technique using a random sampling system. The variables of this research are personal and work factors, work posture, RULA method, and Nordic Body Map (NBM) questionnaire. This analytic data only generates the frequency and percent distribution of each variable and is interpreted as tables and stories. The results showed that most of the respondents complained about the lower neck as much as 79% and the upper neck as much as 69%. With this, the researchers calculated using the RULA method, the results obtained from the RULA method were respondents with serious complaints that needed further examination. Summarizing the results and discussing workers' complaints or disturbances, the recommended suggestions are stretching, designing the workplace according to the needs of workers, conducting training and socialization activities. Therefore, the researcher designed the workstation as a table and chair.

Gambaran Keluhan Subjektif dan Penilaian Risiko Ergonomi Menggunakan Metode NBM dan ROSA Pada Pengguna Komputer di Kantor Pusat PT.XYZ Norus Sholeha; Ratna Ayu Ratriwardhani; Muslikha Nourma Rhomadhoni; Friska Ayu
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 13 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Although it has a good impact on work efficiency and effectiveness, the use of computers in office workers also has aspects that can pose an ergonomic risk, namely musculoskeletal disorders (MSDs). To describe the complaints of MSDs and the level of ergonomic risk in PT. XYZ employees can use the NBM and ROSA methods. This research is a quantitative descriptive with an observational and cross sectional approach. The population of this research is employees of the head office of PT. XYZ working on a computer. The sample collection technique used is stratified random sampling according to the inclusion and exclusion criteria and data collection is done by filling out the Nordic Body Maps (NBM) questionnaire, direct observation and documentation. The results of the study based on the distribution of MSDs complaints and their percentages showed that the level of complaints often experienced by workers was on the left shoulder, buttocks, right forearm and fingers of the right hand. Furthermore, the measurement of the level of ergonomic risk using the ROSA method got the results of 52 people including the category of moderate risk level and 4 people belonging to the category of high risk level. In conclusion, the description of subjective complaints and the level of ergonomics risk on respondents needs to be considered and further corrective actions such as improvement of work stations and work postures of employees and socialization of office ergonomics to reduce the level of ergonomics risk using posters.

Co-Authors A Yunin A, Atik Qurrota Aanisah Azzahrah Apriyanti Abadi, Ongky Putra Abdilah, Muhammad Yasir Roja'i Adini Anggun Risanti Putri Adiyatma, Javier Ainul Rofik Aisyah Fitri, Kiranti Akbar, Muhammad Fatih Rizqon Akbar, Muhammad Fatuh Rizqon Aldini, Arivia Surya Alfiana, Fika Alfina Novita Dewi Alif Junaini, Nur Rohma Alvianshah , Nikhen Hanifah Alvianshah, Nikhen Hanifah Andi Ananta Aziz Dwifangga Anggraini, Wanda Melania Apriyanti , Aanisah Azzahrah apriyanti, aanisah Apriyanti, Aanisah Azzahrah Arivia Surya Aldini Attaqiya, Nirmala Kaana Ayu Pramudya Nirmala Ayu, Friska Azzahra Giri, Siti Arrum Julia Azzahra, Aanisah Belvatrivano, Naufal Wafiq bondan winarno Bondan Winarno Catur Wulandari Dayu Satriya W Difran Nobel Bistara Donastin, Adyan Dwijayanti, ira Eko Nurmianto Erwin Kusuma, Muhammad Evi Sylvia Awwalia Farah Nuriannisa Farid Willy Kurnia Fauziah, Fahmia Nur Febrianti, Diah Rini Fika Alfiana Fina Nova Sa’diyah Firmansyah, Ari Adam Fitria, Sindy Nur Giri, Siti Arrum Julia Azzahra Hadi, Achmad Hanifah Dwi Lestari Helmi Ghozy Rahmatullah Hudzaifah Hamidy Hutapea, Octavianus Ilham Hadi Prayitno, Moch. Indi Febriyanti Vimala Irfansyah, Daffa Anizar Irfansyah, Daffa Anizar Irfansyah Istiar, Bayu Jaiz Wahyu Sutopo Junaini, Nur Rohma Alif Junaini, Nur Rohma Lif Kusuma, Muhammad Erwin Kuswandi, Saddam Bill Adli Faza Linanta, Sigap Prabawa Adhi Cipta Lucky Firmansyah Luthfiyah, Diana M Nizar Mahabbi R Mahabbi Rosul, M Nizar Mahendra P, Reza Hery Maria Ulfa Millah, Hanifiyatul Moch. Sahri Mohamad Nurhamzah Ramadani Muh. Syahrul Ramadhan Muhammad Irfan Rahmadani Muhammad Satwiko Muhammad, Satwiko Mursyidul Ibad Muslikha Nourma Rhomadhoni Nadhifa Setyo Ayu Mustikaning Hapsari Nanda Fadhilah Witris Salamy Naning Aranti Wessiani Nirmala Kaana Attaqiya Norus Sholeha Nourma Rhomadhoni, Muslikha Nur Rohma Alif Junaini Nurani, Ilmi Tri Octavianus Hutapea Pangestu, Sabdho Setyaji Pratama, Muchamad Rafi Wahyu Pratiwi, Eka Hana Primandita, Aisyah Regina Pujawati, Firani Dwi Ayu Putra, Juwono Wardana Pratama Rachmadona, Amanda Berliana Rachmadona, Amanda Regina Berliana rachmah catur agustin Rahmatullah, Helmi Ghozy Regina, Amanda Reynaldi, Ivan Alvian Rhomadhoni , Muslikha Nourma Rhomadhoni, Muslika Nourma Rhomadhoni, Muslikha Nourma Ridwan, Khalisa Afifah Ridwan, Khalisah Afifah Rivani Risha Kurniati Romadhoni, Muslikha Nourma Roro Siti Karimah, Rahadian Rosita, Vivi Sahri, Mochammad Saputra, Naufal Ilham Saraswati Dewi Karina Satwiko, Muhammad Sofia, Rizka Amirul Sofwan, Mufida Amalia Sunaryo , Merry Sunaryo, Merry Suyono Suyono Syerina Silvi Fitriyah Taqiyaa, Nirmala Kaana Taqiyyaa, Nirmala Kaana Taufiqurrahman, Affan Tsaaqif Tiway, Moch. Fahmi Husaini Trikurniawan, Gilang Samudra Very Andriyansyah Vimala, Indi Febriyanti Vivi Rosita Wahyuni, Lilis Hindun Wanda Melania Anggraini Wasillah, Farikhatul Wibawa, Dayu Satriya Wibawa Wirdan Hashchashol Haq Al Hajiri Yunyastiti Dwidya Palupi Yuriske Agnovianto

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