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All Journal ETIKONOMI Cakrawala Pendidikan Jurnal Kependidikan: Penelitian Inovasi Pembelajaran JURNAL PENELITIAN ILMU PENDIDIKAN JPK (Jurnal Pendidikan Khusus) Jurnal Pendidikan Teknologi dan Kejuruan Berkala Perikanan Terubuk Widyanuklida E-Bisnis : Jurnal Ilmiah Ekonomi dan Bisnis Primary: Jurnal Pendidikan Guru Sekolah Dasar Dinamika Pendidikan Jurnal Teknik Industri Untirta JPM17: Jurnal Pengabdian Masyarakat JPsd ( Jurnal Pendidikan Sekolah Dasar ) Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Jurnal Ilmiah Mahasiswa Ekonomi Akuntansi TREUBIA Bangunan Jurnal Ilmiah Econosains Jurnal Akuntansi : Kajian Ilmiah Akuntansi (JAK) Arsitektura : Jurnal Ilmiah Arsitektur dan Lingkungan Binaan ASRO JOURNAL - STTAL Early Childhood Research Journal (ECRJ) Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Jurnal Literasiologi Region : Jurnal Pembangunan Wilayah dan Perencanaan Partisipatif Ekonis : Jurnal Ekonomi dan Bisnis PSIKOVIDYA Budimas : Jurnal Pengabdian Masyarakat Just TI (Jurnal Sains Terapan Teknologi Informasi) Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Ilmiah ASET Wahana Dedikasi : Jurnal PkM Ilmu Kependidikan Jurnal Agriment MADURANCH: JURNAL ILMU PETERNAKAN Jurnal Vokasi Mekanika Journal Philosophy of Law JURNAL TUNAS PENDIDIKAN Jurnal Dinamika Akuntansi dan Bisnis (JDAB) Studies in English Language and Education Jurnal Media Administrasi Digital Bisnis: Jurnal Publikasi Ilmu Manajemen Dan E-commerce Public Policy Journal Journal of Maternal and Child Health Science Jurnal Pendidikan Kewarganegaraan Dan Filsafat Ihsanika : Jurnal Pendidikan Agama Islam Mandub: Jurnal Politik, Sosial, Hukum dan Humaniora Jurnal Medika Nusantara Menawan : Jurnal Riset dan Publikasi Ilmu Ekonomi Mimbar Administrasi Jurnal Ekonomi, Akuntansi dan Perpajakan JURNAL PEKAN : Jurnal Pendidikan Kewarganegaraan International Journal of Social Science and Humanity J-CEKI Jurnal Ekonomi, Manajemen, Akuntansi
Suparno Suparno
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Journal : ASRO JOURNAL - STTAL

 1 
OPTIMIZATION OF PREVENTIVE MAINTENANCE AND REPLACEMENT INTERVAL OF CRITICAL COMPONENTS IN THE CUMMINS KTA 38D DIESEL GENERATOR Wakijo Wakijo; Suparno Suparno; Eko Krisdiono; Anton Nugroho
JOURNAL ASRO Vol 13 No 4 (2022): International Journal of ASRO
Publisher : Indonesian Naval Technology College - Sekolah Tinggi Teknologi Angkatan Laut - STTAL

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Abstract

The Cummins KTA 38D brand diesel generator is a ship's power generation equipment owned by a supplier to warship electrical needs both at base or in operation. Based on damage report data from 2016 - 2022, the percentage of diesel generator damage reached 38.5% of the total damage to all ship equipment. The results of the analysis using the FTA method cause the failure of the diesel generator to be caused by one of the failure factors in the supporting sub-systems,both from the electrical sub-system, fuel sub-system, air sub-system, fresh water sub-system, seawater sub-system, the lubricant sub-system and the control sub-system were damaged. Calculation using FMECA, there are five critical components based on the RPN value with a "high" risk rating, namely the Body Cover Pump component with the risk of corrosion (205), the Impeller component with the risk of corrosion/cracking (260.5), the Cooler tube component with the risk of leakage (264,7), Mechanical Seal component with risk of damage/leak (192.8), Rectanguler Seal component with risk of leak (196). With a reliability approach and analysis of total cost replacement age preventive maintenance with a minimum reliability limit of 55.84%. It can be proposed maintenance intervals for Body Cover Pump components at 980 running hours with an increase in reliability of 30.87% and maintenance cost savings reaching 14.57%, Impeller components at 1581 running hours with an increase in reliability of 35.79% and maintenance cost savings reaching 29.28%, Cooler tube components at 979 running hours with an increase in reliability of 26.06% and maintenance cost savings reaching 16.40%, mechanical seal components at 1290 running hours with an increase in reliability of 33,20% and savings in maintenance costs reaching 22,57%, the rechtangular seal component on 979 running hours with an increase in reliability of 31.67% and savings in maintenance costs reaching 38.88%. Keywords: FTA, FMECA, Reliability dan Total Cost Replacement Age
OPTIMIZING THE SCHEDULING OF THE SURABAYA HEALTH INSPECTION BUILDING CONSTRUCTION PROJECT Hendry Apriyanto; Suparno Suparno; Eko Krisdiono; Rakhmad Susilo
JOURNAL ASRO Vol 13 No 4 (2022): International Journal of ASRO
Publisher : Indonesian Naval Technology College - Sekolah Tinggi Teknologi Angkatan Laut - STTAL

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Abstract

Projects can be said to be a success or a failure caused by ineffective planning and control, so project activities fail. so there will be delays, decreased quality, and increased implementation costs. The Critical Path Method abbreviated CPM method and goal programming can be applied to manage project completion time more efficiently and effectively. To be able to reduce the impact of project delays and cost overruns through a crash calculation mechanism with three alternative controls; additional labor or overtime work. In this study, the total project age was 277 calendar days, while the project deadline was 284 calendar days, thus the project was delayed for 7 calendar days with a total fine of Rp 25.242.944.400 and a penalty cost is 1/1.000 for the sum of the contract. Based on the data analysis and discussion that has been carried out in this study, the conclusion that can be drawn from his study is the number of days that can be completed in this project using the CPM scheduling method is 257 days. However, without using this method, the project completion time would take 284 days. In addition, the company can save costs of Rp. 181,682,772 while avoiding penalty fees due to project delays. while using goal programming optimization, the optimal time duration is 250 days with a cost efficiency of Rp. 246.092.991. So that by applying the calculation to the CPM method, the company can perform project efficiency for 27 days while using goal programming optimization have project efficiency for 34 days simultaneously being able to streamline the budget by using network planning Keywords: Project Scheduling, CPM, Goal Programming, Critical Path, Time Acceleration
Co-Authors - Martutik Abdul Syukur Ibrahim Abidah Husna Ade Sony Noverianto ADITYA PRATAMA Afidah Silmi Agung Kumoro Wahyuwibowo Agus Heru Purnomo Ahmad Abdullah Hafizh Ajeng Cita Anggraini Alfauzan Amin Amelia Soviana Amin Sumadyo Ana Hardiana Anak Agung Gede Sugianthara Anang Santoso Anda Anda Anda Sanusi Anjelika Zatar Annisa Lutfia Anton Nugroho Aprina Kuswardani Ariani Nurfakhirah Aris Toening Winarni Arwizet Arwizet, Arwizet Ayu Fitri Utami Bagiyono Bagiyono Bambang Djatmiko Berlian Marpaung Boedi Rahardjo Bowo Adiyanto Budi Syahri Bulkia Rahim Cicik Tri Jayanti Damanhuri, Harfiandri Daniel Yanuar Aditya Beny Prabowo Dantje Salean Desi Maharani Dewi Malia Prawiradilaga Dhita Fardaniwuri Didik Iswahyudi Didin Widyartono Dominika Santi Dulce Pereipra Lopes Dwi Kartika Sari Dyah Susilowati Pradnya Paramita Edi Edi Edi Pramono Singgih Eko Krisdiono Elfrida Ratnawati Emy Handayani Endra Susila Ernisa Purwandari Fadhilah Alwan Fadiel Muhammad Syah Fenty Fauziah Frank E Rheindt Geri Alfikar Habib Baihaki Hadi Setiawan Handryan Erwan Ering Hari Yuliarso Hendro Tjahjono Hendry Apriyanto Hidayat Ashari I Made Suparta Idi Warsah Iis Permatasari Imam Hanif Indra Kertati Irwandi Irwandi Irzal Tawaqal Joko Nurkamto Junil Adri Kartika Fitri Annisa Karuniana Dianta Arfiando Sebayang Khoiron Badrul Aini Lailatus Sa'adah Lenny Novitasari Leny Pramesti Lisa Ramadhani M. Alizar M. Taufik Made Wena Madyan Madyan Maftukhoh Cergia Makmur Rangkuti Marhenna Uzra Marsha Anindita Maya Andria Nirawati Meilina Estiani Moh. Muhlasin Muhammad Faqih Arrizik Muliansyah Muliansyah Musyaffi, Ayatulloh Michael N. Bambang Revantoro N. Praptiningrum Nabila Syaharani Natasia Anggi Laxmita Neli Hajar Nelly Rustiaty Niken Arimbi Nisa’i Khoiriyah Nofri Helmi Nonie Intan Pertiwi Novi Eka Susilowati Nurhanifah Nurhanifah Oyong Satriakusuma Peter R Wilton Pirwanto Pirwanto purwantono purwantono Puspa Akbar Darmawan Putiri B. Katili Putranto Hari Widodo R. Mahmud Sugandi Rachmadi Nugroho Raden Roro Indira Ramadhani Rahmad Prasetyo Rakhmad Susilo Refdinal Refdinal Reni Suendari Revo Juhannda Riska Nanda Riyan Pandu Wijayanto Riza Auliwati Rizkia Rahmani Maulana Salsabila Hasiana Tanjung Samsudi Samsudi Saski Mulyani Siti Aisyah Sri Wahyuni Jamal Sudjiwanati Sudjiwanati Sugito Sugito Sukarman Kamuli Sungkono Sungkono Sutrasno Sutrasno Tri Lestari Hadiati Tri Ratnawati Tri Yuni Iswati Tut Wuri Handayani Umi Kartini Rashid Ummul Mustaqimah Veronika Yosi Wa Muna Wakijo Wakijo Wasnadi Wasnadi Widodo Soemadi Wijantri Kusumadati Wulan Cahyaning Maharani