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Blueprint Journal
Published by PT Yupin Felicitas Utama
ISSN : 31090796     EISSN : 3109080X     DOI : -
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering
Blueprint Journal is a multidisciplinary scientific journal that publishes research results and scientific studies in the fields of Mechanical Engineering, Civil Engineering, Architecture, Mining Engineering, Computer Engineering, Ship Machinery, and Industrial Engineering. This journal is a forum for academics, researchers, and practitioners to disseminate the latest innovations and findings in the world of engineering and technology. By implementing a peer-review system, Blueprint Journal guarantees the quality and originality of every article published, and contributes to the development of science and the application of technology in various industrial and infrastructure sectors.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "Vol 1 No 3 (2025): October: Blueprint Journal" : 7 Documents clear
Pemeriksaan Pengujian Dan Penerapan Keselamatan Dan Kesehatan Kerja Pada Air Compressor Tank: Inspection, Testing, and Implementation of Occupational Safety and Health in Air Compressor Tanks Pereira Maia Pinto, Gaspar
Blueprint Journal Vol 1 No 3 (2025): October: Blueprint Journal
Publisher : PT Yupin Felicitas Utama

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This study aims to analyze the methods of inspection, testing, and application of occupational safety and health (OHS) to pressure vessels in industry. occupational safety and health (OHS) on pressure vessels in industry. Inspection and testing are closely related to ensuring the structural integrity and operational safety of pressure vessels. Occupational safety and health is a primary focus to prevent workplace accidents and protect employees. Methods This research involved a survey of current inspection and testing inspection and testing practices, as well as analyzing data from incidents of work-related accidents and illnesses. incidents. In addition, the Air Compressor Tank Pressure Vessel Test Inspection was conducted at the PT X location is a periodic test check. Based on Minister of Manpower Regulation No. 37 Year 2016, the periodic test inspection stage consists of work activities, namely Document Inspection, Visual Inspection and NDT Testing. Documents, Visual Examination and NDT Testing, the results showed that Physical/Visual Inspection of the weld area found no weld defects, NDT (Non-Destructive Test) Inspection of the weld. NDT (Non-Destructive Test) Ultra sonic Wallthickness Testing on the plate was not found. found a difference in thickness (even thickness), Inspection of operating pressure in the weld area - Nozzle weld, valve no indication of leaking was found. Research This study concludes that the Safety valve and pressure gauge are checked internally and calibrated periodically. internal inspection and periodic calibration, operating pressure should not exceed the permitted pressure. operating pressure should not exceed the allowable pressure of 6 Bar, daily internal checks and maintenance are carried out periodically. periodically., Manual book and Hystory Manual book and Hystory card must always be maintained, when making repairs or replacing damaged components When repairing or replacing damaged components, it must be in accordance with the manufacturer's recommendations. on the Air Compressor Tank unit and document, the maintenance activities (Maintenance record must be done internally). maintenance activities (Maintenance records must be carried out internally periodically according to the manufacture), Comply with and implement all safety and health requirements. and occupational health. is fully responsible for the safe operation of the Air Compressor Tank Pressure Vessel.
Perawatan Kerusakan Impeller Pompa Air Laut Pada Sistem Pendingin Kapal Km. Sabuk Nusantara 101: Perawatan Kerusakan Impeller Pompa Air Laut Pada Sistem Pendingin Kapal Km. Sabuk Nusantara 101 Pereira Maia Pinto, Gaspar; Bilak Lopo, Elkana; Adam Tnunay, Imanuel; Nisen Laosana, Okto Rosario; Hakim, Moh. Lukman; Bayu Bou, William Mathew
Blueprint Journal Vol 1 No 3 (2025): October: Blueprint Journal
Publisher : PT Yupin Felicitas Utama

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The seawater pump is a vital component of a ship’s cooling system, functioning to circulate seawater as the primary cooling medium for the main engine and generators. One of its main parts, the impeller, operates continuously in direct contact with seawater and is therefore highly susceptible to damage caused by corrosion, cavitation, and material wear. This study aims to analyze the causes of pressure reduction in seawater pumps, identify damages to centrifugal pump impellers, and determine the factors contributing to the reduced suction capacity of seawater pumps on board KM. Sabuk Nusantara 101. The research applied a qualitative descriptive-analytical method, combining direct observation, interviews with engine crew, documentation, and literature review. The study was conducted during the voyage of KM. Sabuk Nusantara 101 from April 28 to May 10, 2025, covering the route from Kupang through Atapupu, Maritaeng, Kalabahi, Baranusa, Balauring, Lewoleba, Waiwerang, Larantuka, to Maumere. Data were analyzed by comparing the actual pump condition with the standard operating parameters of the ship’s cooling system. The results revealed that the reduction in pump pressure (0.14 MPa compared to the standard 0.2–0.4 MPa) was caused by impeller damage, blockage in the suction line, and pipe leakage. The examined impeller showed severe damage, including corrosion, broken vanes, and increased clearance between the impeller and casing. These conditions led to a significant decrease in pump efficiency and suction performance. Other contributing factors were air leakage in the suction line, biofouling at the seawater intake, and insufficient routine maintenance. In conclusion, impeller failure and system leakage are the primary factors reducing the performance of seawater pumps in the ship’s cooling system. Preventive maintenance such as regular sea chest cleaning, impeller inspection, replacement of worn components, and ensuring airtight suction lines is essential. These efforts are crucial to maintaining the reliability of the cooling system, preventing engine overheating, and ensuring the safety of ship operations.
TINJAUAN SISTEM MONITORING DAN MANAJEMEN PERAWATAN MESIN KAPAL : INTEGRASI TEKNOLOGI DIGITAL DAN PENDEKATAN PREDIKTIF: REVIEW OF SHIP ENGINE MAINTENANCE MONITORING AND MANAGEMENT SYSTEMS: INTEGRATION OF DIGITAL TECHNOLOGY AND PREDICTIVE APPROACHES PURBA, IVANA BULAWANTA; PUTRA, HAIKAL AULIANSYAH; DA CRUZ, LEONIO SOARES
Blueprint Journal Vol 1 No 3 (2025): October: Blueprint Journal
Publisher : PT Yupin Felicitas Utama

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Ship engines are a vital component in maintaining the safety, efficiency, and reliability of shipping operations. The main problems faced are sudden breakdowns due to delayed maintenance and limited engine condition monitoring. This study aims to review national and international literature related to ship engine monitoring and maintenance management systems. The method used was a systematic literature review of 10 scientific articles, consisting of 7 national journals and 3 international journals. The results indicate that national research focuses primarily on designing IoT-based monitoring systems, digitizing engine data, and implementing Reliability-Centered Maintenance (RCM). Meanwhile, international literature emphasizes the application of predictive methods based on artificial intelligence, vibration analysis, and machine learning for condition-based maintenance. Future research recommendations include the integration of IoT with artificial intelligence to support efficient ship engine maintenance in Indonesia. Keywords: Ship Engine, Monitoring System, Predictive Maintenance, Lot, Maintenance Management 
PENGEMBANGAN SISTEM SMART SHIP SAFETY MELALUI KOLABORASI IoT DAN CONDITION-BASED MAINTENANCE MESIN KAPAL: Development of a Smart Ship Safety System Through IoT Collaboration and Condition-Based Maintenance of Ship Engines Saphira, Namira Najwa; Namira; Reval; Khafid
Blueprint Journal Vol 1 No 3 (2025): October: Blueprint Journal
Publisher : PT Yupin Felicitas Utama

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Ship operational safety has become a top priority in today's maritime world, with the need for reliable and efficient performance. This research has successfully produced Smart Ship Safety through a combination of Internet of Things service solutions and a Condition-Based Maintenance approach, used to detect potential hazards and perform maintenance. In this project, the solution is based on tilt sensors, GPS modules, and windlass hydraulic motor monitoring, which are connected to the engine via a web-based platform and help control the stability of the ship and engine. Model development was carried out using mathematical simulations. Furthermore, because it is based on CBM, another crucial aspect is identifying engine component degradation, allowing for prompt replacement before major failures occur. The final results reported by the project have improved the accuracy of CBM in diagnosing engine conditions by 30%, reduced emergency maintenance costs, and reduced the risk of engine failure or ship braking. Keywords: Smart Ship Safety, IoT, Condition-Based Maintenance, Hydraulic Motor, Maritime Safety 
Sistem Monitoring IoT untuk  Perawatan Preventif dan Deteksi Dini Mesin Kapal Tugboat: IoT Monitoring System for Preventive Maintenance and Early Detection of Tugboat Engines Mangunsong, Jimmy Newtron; Ramadhan, Gilang; Hamapu, Nazarudin
Blueprint Journal Vol 1 No 3 (2025): October: Blueprint Journal
Publisher : PT Yupin Felicitas Utama

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This research proposes an Internet of Things (IoT)-based monitoring system to detect early damage and perform preventive maintenance on tugboat engines. Using an Arduino ATmega328 and a SIM900 GSM module, this system can combine engine temperature, lubricating oil temperature, coolant temperature, and engine vibration levels in real time. When these parameters exceed normal limits, the system will automatically alert the ship's crew to take immediate preventive action. The implementation of this system is expected to reduce the potential for engine damage and maritime accidents due to engine failure. The sensors used include K-type thermocouples, PT100/1000 RTDs, ADXL335 vibration sensors, and piezoelectric sensors. The results show that the system can provide effective warnings when temperature or vibration exceeds the specified threshold.  Keywords: IoT, tugboat, Arduino, temperature sensor, vibration sensor, preventive maintenance. 
Optimalisasi Pemanfaatan Automatic Identification System (AIS) untuk Monitoring dan Pengendalian Navigasi pada Kapal MV. Red Rover: Optimization of the Use of the Automatic Identification System (AIS) for Monitoring and Navigation Control on the MV. Red Rover Ship PUTRIANE, MELSE DENATA; NUGROHO, KONGSO; MAU, ARSENIUS ROBINSON
Blueprint Journal Vol 1 No 3 (2025): October: Blueprint Journal
Publisher : PT Yupin Felicitas Utama

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Automatic Identification System (AIS) merupakan sistem berbasis komunikasi radio yang berperan penting dalam keselamatan dan pengendalian navigasi kapal. Penelitian ini dilakukan secara langsung pada kapal MV. Red Rover dengan menggunakan metode mixed methods yang menggabungkan pendekatan kualitatif dan kuantitatif. Pendekatan kualitatif digunakan untuk menggambarkan proses operasional dan pemanfaatan AIS oleh awak kapal, sedangkan pendekatan kuantitatif digunakan untuk menganalisis hasil angket mengenai efektivitas, keandalan, dan tingkat penggunaan fitur AIS. Hasil penelitian menunjukkan bahwa AIS tipe SIMRAD V5035 Class-A berfungsi optimal dalam mendukung keselamatan pelayaran, dengan tingkat akurasi data posisi dan arah kapal yang tinggi. Integrasi AIS dengan sistem navigasi lain seperti Radar, GPS, dan ECDIS mampu meningkatkan situational awareness serta mendukung deteksi dini terhadap potensi tabrakan di laut. Meskipun demikian, peningkatan terhadap pembaruan perangkat lunak dan pemeliharaan sistem masih diperlukan agar kompatibel dengan teknologi navigasi terkini. Secara keseluruhan, optimalisasi AIS memberikan kontribusi signifikan terhadap peningkatan keamanan, efisiensi, dan keandalan sistem navigasi kapal niaga.
PERANCANGAN SISTEM INFORMASI ABSENSI KARYAWAN BERBASIS WEB PADA KEDAI KOPI KAMU MENGGUNAKAN METODE AGILE DEVELOPMENT: PERANCANGAN SISTEM INFORMASI ABSENSI KARYAWAN BERBASIS WEB PADA KEDAI KOPI KAMU MENGGUNAKAN METODE AGILE DEVELOPMENT Haikal, Muhammad; Widiarina; Junadi, Bambang
Blueprint Journal Vol 1 No 3 (2025): October: Blueprint Journal
Publisher : PT Yupin Felicitas Utama

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The rapid development of information technology has encouraged various organizations to shift from manual systems to digital based management. One of the essential aspects in human resource management is an efficient, accurate, and easily accessible employee attendance system. Kedai Kopi Kamu, as a micro, small, and medium enterprise (MSME), previously relied on a manual attendance system, which often caused problems such as delays in data recap, inaccurate recording, and difficulties in monitoring employee attendance. To overcome these issues, this study aims to design a web-based employee attendance information system using the Agile Development method. The objective of this research is to develop a system capable of facilitating real-time recording and reporting of employee attendance. The Agile Development method was applied due to its iterative, flexible, and collaborative approach between developers and users. The system development process consisted of several stages, including requirement analysis, design, development, testing, implementation, and evaluation. Modeling tools such as Use Case Diagram, Activity Diagram, and Entity Relationship Diagram (ERD) were utilized to describe the system workflow and data structure. The implementation results indicate that the developed system operates effectively and meets user requirements. System testing was conducted using the Black-Box Testing method, which verified that all system functions performed according to specifications. The web-based attendance system successfully improved the efficiency, accuracy, and transparency of employee attendance management at Kedai Kopi Kamu. Furthermore, the application of the Agile method proved to be effective in supporting software development processes within MSMEs that require rapid adaptation to changing user needs.

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