Analisa Pengaruh Jadwal Operasi Dan Jadwal Perawatan Aluminium Crew Boat Cb. X Terhadap Kegagalan Fungsi Bow Thruster Dengan Pemodelan Dinamika Sistem (System Dynamics)

Maharani, Lintang (2016) Analisa Pengaruh Jadwal Operasi Dan Jadwal Perawatan Aluminium Crew Boat Cb. X Terhadap Kegagalan Fungsi Bow Thruster Dengan Pemodelan Dinamika Sistem (System Dynamics). Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Kegiatan operasional sistem bow trhuster pada kapal mengakibatkan peluang kegagalan semakin besar. Perawatan sistem bow thruster pada kapal CB. X milik PT. Orela Bahari sangat penting kaitannya dengan manuver kapal tersebut pada saat dioperasikan. Tindakan perbaikan dan perawatan hanya dapat dilakukan pada saat kapal tidak berlayar. Untuk itu perlu ditentukan komponen – komponen apa saja yang menyebabkan bow thruster tidak beroperasi sehingga menyebabkan downtime dan bagaimana penjadwalan perawatan dengan biaya optimum. Failure Mode and Effect Analysis (FMEA) menunjukkan penyebab kegagalan adalah kerusakan pada komponen pompa power take off, bow thruster, solenoid valve, joystick, hydraulic heat exchanger, dan central cooler. Dengan pola operasi kapal saat ini serta data keandalan komponen, dibuat simulasi menggunakan dinamika sistem untuk membuat pendekatan agar perawatan pencegahan maupun perbaikan yang dilakukan menghasilkan biaya seminimal mungkin. Studi ini menghasilkan rekomendasi perawatan sistem bow thruster selama 5 tahun antara lain : interval perawatan pompa power take off setiap 2572 jam dengan biaya Rp 73.701.852,00; hydraulic heat exchanger setiap 27937 jam dengan biaya perawatan Rp 1.535.000,00; central cooler setiap 30946 jam dengan biaya perawatan Rp x 2.975.000,00; joystick setiap 29711 jam dengan biaya perawatan Rp 4.005.376,00; solenoid valve tiap 8370 jam dengan biaya perawatan Rp 3.283.854,00; dan bow thruster setiap 5709 jam dengan biaya Rp 39.500.000,00 Total biaya perawatan sistem ini selama 5 tahun sebesar Rp. 125.001.082,00. ====================================================================================================== Operational activity on bow thruster system on crew boat cause increasing of failure probability. Bow thruster maintenance on CB. X owned by PT. Orela Bahari is essential in relation with her maneuverability while operated. Repair and maintenance can be held only if the vessel does not operated. In relation with this condition, components in this system has to be identified to determine which components are possible to be cause of system failure and downtime and how to plan optimum maintenance cost. Failure Mode and Effect Analysis (FMEA) indicates cause of failure are damage toward components power take off, bow thruster, solenoid valve, joystick, hydraulic heat exchanger, and central cooler. Based on current ship operation schedule and reliability data, a simulation made by using system dynamics approach in order to make preventive maintenance and repair interval with minimum cost. This study resulted maintenance recommendation regarding bow thruster system in CB. X for 5 years such as : maintenance interval in power take off (PTO) pump every 2572 hour at total cost IDR 73,701,852.00; hydraulic heat exchanger every 27937 hours at total cost IDR 1.535.000.00 ; central cooler every 30946 hours at total cost IDR 2,975,000.00; joystick every 29711 hours at total cost IDR 4,005,376.00; solenoid valve every 8370 hours recommended to xii be replaced and the total cost is IDR 3,283,854.00; bow thruster every 5709 hours at a cost of IDR 39,500,000. Total cost of this system maintenance for 5 years is IDR 125,001,082.00.

Item Type: Thesis (Undergraduate)
Additional Information: RSSP 623.823 4 Mah a
Uncontrolled Keywords: bow thruster, dinamika sistem, FMEA, perawatan
Subjects: V Naval Science > VC Naval Maintenance
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering > VM161 Ships--Hydrodynamics
Divisions: Faculty of Marine Technology > Marine Engineering > (S1) Undergraduate Theses
Depositing User: Mr. Tondo Indra Nyata
Date Deposited: 06 Feb 2018 07:21
Last Modified: 27 Dec 2018 02:47
URI: http://repository.its.ac.id/id/eprint/51167

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