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This study aims to know the cost of designing maintenance using the Reliability Centered Maintenance method. Engine and fuel control, is a fuel engine system and fuel control system; in charge of distributing and measuring fuel from the fuel storage tank, to the combustion chamber. Gas turbine or  component area (Combustor), functions as a distributor of fuel used in aircraft systems and plays a role in carrying out its operation (Boeing 737-400 Aircraft Maintenance Manual). Reliability is the possibility of a component or system to be able to operate and/or carry out its functions. The function has been assigned to certain operating conditions and in a certain environment for a predetermined period of time. Thus, reliability is the probability that it will not fail or be able to perform its function for a period of time (t) or more. In the analysis of preventive maintenance financing, which is carried out when the reliability value reaches 70%, 60% and 50%, respectively, it is obtained for each component.

KM 22 of 2005 describes the application of SNI 03-7094-2005 regarding signs at airport terminals as a mandatory standard which explains that every area within the passenger terminal must be equipped with clear and easy-to-understand warning signs. Obstacles found by researchers when carrying out initial observations were finding deficiencies in installing warning signs at Terminal 1 of Juanda International Airport, Surabaya. The purpose of this study is to find out how to optimize the warning sign facility in improving passenger service at the Juanda International Airport Surabaya terminal, to find out the obstacles faced and the solutions in optimizing the warning sign facility at Juanda International Airport.             This study uses a qualitative method. This research was conducted at Juanda International Airport in Surabaya which was held in June 2023. The data collection techniques used were observation, interviews, and documentation. The validity test of the data used is source triangulation and technique triangulation. Data analysis used is data reduction, data presentation, and conclusions.             The results of research based on service indicators show that: (1) physical evidence (tangibles) includes an imbalance in the placement of signboards; (2) reliability includes the use of available tools and the application of clear service standards; (3) responsiveness, including responsiveness to complaints and input from passengers; (4) guarantee (assurance) includes routine maintenance, as well as providing accurate information; (5) empathy (empathy) includes providing individual and responsive services. The obstacles encountered are that the warning sign is only visible from the west side of the terminal area, but not visible from the east side, the placement of the no smoking sign is not optimal, the no smoking sign is damaged, there are instructions for using a hydrant box that is less strategic .

The development of technology in the digital era is currently so rapid that all kinds of human activities are very dependent on technological advances. Digitalization has penetrated all sectors of modern human life, including data archiving activities. Archives are very important for an organization or government if the archives are managed properly and correctly. Because the completeness of data and information is very dependent on the filing system. The purpose of this study is to determine the effect of implementing digital archives for storing digital documents. This type of research uses a qualitative approach. This qualitative research seeks to explore and understand different truths by different people. In a qualitative approach, one type of approach that is often used is the case study approach. The data analysis technique used is an interactive model data analysis technique. The results of this study explain the effects of implementing digital archives for storing digital documents.

In this case it refers to the purpose of the content in this final project, namely by compiling a schedule for the Implementation of KM.Mutiara Ferindo 5 Ship Maintenance during the docking process at the PT.PAL Indonesia shipyard. Making a schedule includes what components are repaired when the ship is in a condition shipyard, make a ship maintenance management schedule that has been carried out in the shipyard. The data used in this thesis are data from PT.Antosim Lampung Pelayaran Surabaya and the researchers themselves. The type of data used in this research is primary data. will be related to the problem being studied and the results of the questionnaire distributed to several employees related to this research. In carrying out repairs there is a work list that shows how many items of work work must be done. So this work list has been approved to be carried out in the ship repair process. KM ship repair work. Mutiara Ferindo 5 which carries out planned repairs both at the shipyard and when the ship anchors at sea carries out maintenance technically and economically. Repair work on RO-RO ships that carry out maintenance on a scale that has been determined by the office and ship crew who are authorized to help carry out ship repairs. Repair work on the ship KM. Mutiara Ferindo 5 is well planned in terms of safety equipment and also component equipment that plays an important role in the smooth operation of the ship (maintenance of the entire engine room, deck, safety equipment and maintenance of the inside and outside of the ship). Implementing an economical system of estimating the remaining funds after maintenance at the shipyard.

Civil Engineering is the study of planning, construction, and maintenance of physical structures such as bridges, buildings, and roads. These include sub-fields such as geotechnical, structures, transportation, hydraulics and environmental management. Civil engineers also study ways to manage natural and environmental resources used in construction projects Civil engineering can be used in eco-green environmental analysis. One example is in the planning and construction of green buildings, which are buildings that are designed and constructed in an environmentally friendly way. Civil engineering can be used to analyze and evaluate various aspects of the environment, such as energy efficiency, natural resource use, water management, and greenhouse gas emissions Civil engineering can also be used in the planning and construction of environmentally friendly roads, such as eco-friendly country roads, walking, and bicycle roads.

As software technology becomes more complex, software maintenance costs become more expensive. In connection with this, the development of software engineering makes the software system has many Composition choices that can be adjusted to the needs of the user. Error fixing involves analyzing Error Summary and modifying code. If bug-fixing steps are made as efficiently and effectively as possible then maintenance costs can be minimal. The purpose of this research is to establish a tool of machine learning for identifying Composition Error Summary and to find out the types of special Composition choices that can be used to save costs, time, and effort. In this study, the T-test was applied to appraise the analytical implication of conduct metrics when the “F-test” was taken to the Variance’s test. Classifiers used in this study are “All words” or “AW”, “Highly Informative Words” or “H-IW”, and “Highly Informative Words plus Bigram” or “H-WB”. Identical validation and Vexed validation techniques were used to calculate the effectiveness of machine learning tools. The results of this research denote that the instrument is competent for definitive Composition Error Summary and other Composition choices for definite Error Summary. This research determines the practicality of machine learning techniques in corrective issues relevant to Error summary. The result of this study also explained that Composition/non-Composition Error Summaries have contrasting aspects that can be accomplished by machine learning devices. The advanced tool could be upgraded in some areas to create it more powerful. The array identification section of the current study has limitations, an array with different words and Composition recognition tools tend to prefer Compositions with more words, so improvements to this could implicate consideration of the semantics of Error Summary, equivalent, and use of n-grams. Also, in using the technology of machine learning and Natural Language processing some advancements to be made to the present characterization structure so for future research it is highly recommended to clear up the first’s Error Summary before operating several operations in the present study.Composition Error Summary  

Based on its astronomical location, Indonesia is located at 6°N – 11°S and 95°East - 141°E, with details namely Belawan port is at point 03° 470 000 LU and 980 420 East. This port is about 24 km from downtown Medan. Accidents at work are things that really need attention and should not be looked down upon. Based on government regulation no. 50 of 2012 which is the result of amendments to the regulation of the Minister of Manpower of the Republic of Indonesia No.Per.05/MEN/1996 concerning implementation of safety management systems and occupational health (SMK3) is part of the overall system includes organizational structure, planning, responsibility, implementation, process, procedures, maintenance of occupational safety and health policies in order risk control related to work activities in order to create a place Safe, efficient and productive work. The formulation of the problem in this study namely application of SMK3 at Belawan Port and the problems that occur. With research objectives to describe the safety management system and occupational health on the Pertamina Belawan ship, to find out the safety system work at Belawan port and find out how far the system has been implemented occupational safety and health management implemented at the port Belawan.

The quality of a product depends on how the manufacturer applies the supply of raw materials used. The application of a good supply of raw materials can expedite the production process. There are many factors that affect the smooth production process. One of the factors that can affect the smoothness of the production process is the supply of raw materials. Raw materials in the production process include raw materials, semi-finished materials and finished goods. In running its business, Kedai Surabi Gapura experiences difficulties in terms of implementing raw material supplies considering the large number of orders that the shop receives every month so that Kedai Surabi Gapura cannot determine the number of priority raw material needs that must be purchased according to production needs. Surabi Gapura requires an appropriate method of supplying raw materials for production. By applying the raw material inventory classification method, it is hoped that Kedai Surabi can find out the priority classification of raw materials used based on raw material prices, in this case related to capital. Shop owners need to implement raw material inventory planning and control because to find out what the difference is between the costs incurred for purchasing raw materials and the amount of raw material requirements according to the daily production target. In addition to the raw material inventory classification method needed in an effort to expedite the production process, the shop also needs to apply the right raw material ordering method in order to save costs incurred such as transportation costs for sending raw materials, raw material storage costs, ordering costs, raw material maintenance costs arising from inventory. By applying the EOQ method for reordering raw materials, it is hoped that the Surabi Gapura Shop will place orders in economical quantities to determine the point of reordering raw materials so that the costs incurred by the Surabi Gapura Shop are efficient.The research method used in this study is to use a quantitative descriptive method. In this study the method used aims to determine the appropriate method of inventory of production raw materials with the raw material inventory classification method and the correct raw material ordering method in order to save costs incurred such as transportation costs for sending raw materials, raw material storage costs, ordering costs, maintenance costs for raw materials arising from inventory. By applying the EOQ method for reordering raw materials.From the results of calculations using the POM QM For Windows software based on the results of data processing using the ABC class classification analysis method for raw materials from 15 types of raw materials, they can be classified based on their respective classes according to the amount and investment value or rupiah spent to obtain these raw materials. Then by using the calculation of the EOQ method with the POM QM For Windows software, business owners can find out the optimal number of orders in the production process, namely the optimal number of orders is at 8,869.52 units, that is, if the demand in one day is 250 units.

Bukit Rata Village is a part of Kute Panang District, Central Aceh District, where high rainfall often occurs, so it is necessary to anticipate handling drainage problems. Based on the results of field observations, it was found that the main problems related to drainage were the accumulation of garbage and sedimentation which caused inhibition of drainage performance so that it was necessary to clean, handle and maintain the canals so that the drainage system could function optimally. Community service activities by carrying out mutual cooperation activities so as to increase the enthusiasm of residents in protecting the environment by taking care of drainage properly and correctly. The method used is to go directly to the field to clean the drainage channels which are covered with grass and various sediments, discussions, and direct practice in the field. The implementation of efforts to increase efficiency, care and maintenance of drainage consists of several stages, namely (1) observation stage, (2) program planning, (3) outreach, and (4) directing the implementation of the drainage maintenance program. As a result of this activity, the community is enthusiastic about participating in mutual cooperation activities to clean the drainage so that the drainage is clean and returns optimally according to its function.

Kalirungkut Village is one of the urban areas located in Rungkut Sub-district, Surabaya. The area of Kelurahan Kalirungkut is 2.58 km2, divided into 15 RWs (neighborhood units) and 86 RTs (community units) (Statistics Indonesia, Surabaya 2016). The population of this neighborhood is approximately 22,949 people, consisting of 11,345 males and 11,604 females (Kalirungkut Village, 2022). Within the neighborhood, there are 11 active industrial companies, including 7 large-scale industries and 4 small-scale industries (Statistics Indonesia, Surabaya 2019). The significant population and industrial activities in the area require a large amount of land, resulting in a reduction of agricultural land. Therefore, the objective of the community service activity is to create a sustainable farming strategy through the design and implementation of aquaponics. The community service method consists of three stages: survey and preparation, implementation of activities, and maintenance and monitoring of results. The outcome of the community service activity is the establishment of an aquaponics farming system located in the yard of one of the residents in Kalirungkut, namely Mrs. Ismudji Rahayuningsih.

Information technology is growing rapidly from year to year. In the field of education, learning processes based on information technology are no longer unavoidable. Online learning is a scheme called e-learning that has the effect of transforming traditional education into a digital system. In this study, the data collection method used was interviews, observation and documentation to obtain information or data related to the research focus. The design of this application system uses an approach with the waterfall method which consists of the requirements analysis, design, implementation, testing/verification, and maintenance stages, with a web-based programming language including HTML for display design, PHP for creating dynamic websites and SQL as a data storage container. . The results of this research are that this e-learning application can optimize students' understanding of learning, images, animation, audio and video and the teaching and learning process continues when students or teachers are unable to attend..    

The Slawi city ring road is a road that connects several villages in the Tegal district, especially the Pangkah and Slawi sub-districts. This road is often passed by heavy vehicles such as trucks and other cars carrying goods, many motorized vehicles also pass on this road, especially students. With the volume of vehicles that are quite dense at certain hours and with minimal maintenance on road conditions, this causes a decrease in the quality of the road surface. With these problems, it is necessary to analyze the condition of road damage at STA 0+000 to STA 1+720. This study aims to determine the type and level of road damage using the Bina Marga 1990 method, determine the percentage value of each damage and calculate the priority order of the road as a reference for determining the repair program for the road. Data collection using the LHR survey is also needed to determine road condition values. Factors that cause road damage are the lack of routine maintenance on the road and the absence of drainage so that a lot of water stagnates during the rainy season which causes road damage to become more severe. The types of damage found on the Slawi City ring road are pothole damage, grain release, fatness and crocodile skin cracks.

One of the problems that is often carried out by MSME actors is not recording and/or recording conventionally. Such records can cause business financial data to be lost, wet, distorted and other problems. Digital-based financial governance is a solution to the problems faced by partners. The partner of the community service activities in this journal is Ms. Anik Riyani who owns a business in Karangsari Village, Sukorejo District, Blitar City. The method used is through 3 stages, the first stage is problem identification through questionnaires and interviews. The second stage is implementation by means of socialization and digital financial management assistance through the BukuWarung application. The third stage is evaluation and maintenance which will contain criticism, suggestions and input from partners and ongoing assistance while the community service activities are still ongoing.

Atopic dermatitis (AD) is a skin inflammation in the form of chronic, recidive dermatitis, accompanied by itching, and hitting certain parts of the body, especially on the face in the baby (infantile phase) and the flexible part of the extremities (in the child phase). Atopic dermatitis often occurs in infants and children, about 50% will disappear in adolescence, but sometimes it can also persist, or even only begin to appear in adulthood. The prevalence of AD is increasing and the increase in the incidence of AD is related to a history of atopy. The etiology of AD is not known with certainty, but it is known to be caused by the interaction of intrinsic and extrinsic factors in AD. Clinically, itching and skin disorders are found according to specific morphology and distribution. Risk factors that are proven to cause and induce AD are skin barrier disorders due to FLG mutations, environmental changes, and diet. FLG mutations can damage the skin barrier function with impaired pH and maintenance of skin hydration. It is known that the causes of multifactor AD and AD cannot be cured, however, only controlled. Therefore, preventive efforts are important, where doctors need to communicate with patients and their families, provide information and education on diseases, and how to treat and prevent recurrences. Because until now there is no ideal treatment regimen for AD patients, so thorough and appropriate management is needed, especially in reducing signs and symptoms, healing and preventing recurrences.    

Fish is a biological resource in the form of aquatic biota which has the widest number and distribution on earth. The wide distribution of fish supports the large number of species diversity so that it occupies the largest percentage of vertebrate groups. SEAMEO BIOTROP (Southeast Asian Regional Center for Tropical Biology) is a Southeast Asian Ministers of Education’s Organization that provides programs for agricultural students. SEAMEO BIOTROP has several apprenticeship divisions, one of which is Sustainable Urban Agriculture Practitioner (PPB) which studies various problems and solutions to agriculture in the environment urban area. The sub-topic in the internship activities of the PPB division is Red Tilapia (Oreochromis sp.) cultivation with the Yumina and Bumina techniques which can be carried out in urban areas. The activities carried out include: 1. Seeding, 2. Maintenance, 3. Treatment. The purpose of this activity is to provide knowledge, understanding, and skills in cultivating red tilapia properly and correctly so that it can grow and generate large profits at harvest for the community.  

Digitizing Islamic boarding schools in Era Society 5.0 is an opportunity as well as a challenge for all Islamic boarding schools in Indonesia, apart from branding for their Islamic boarding schools, digitizing Islamic boarding schools also aims to inform the public that education is important. One of them is education at Islamic boarding schools as one of the printers of superior generations, especially in the fields of religion, self-reliance, manners, and social life. This study aims to describe the importance of digitizing education at the Al-Amin Sidoardjo Islamic Boarding School in the Era of Society 5.0. This research was conducted through a qualitative approach using descriptive analytic methods and included in field research. In Era Society 5.0, digital-based Islamic boarding school education is urgently needed, especially at the Al-Amin Sidoardjo Islamic Boarding School, which is still in the process of digital literacy. As for some of the efforts that have been made by the Al-Amin Sidoardjo Islamic Boarding School in digitizing, among others, by not conducting digital literacy training for students through graphic design courses so that students have IT competencies needed by the world of work and society, providing a computer laboratory with internet access for finding sources and references. religious and general knowledge that is difficult to access directly, and the use of websites and social media as a means of branding, dissemination of pesantren information dissemination, as well as pesantren administrative needs. Meanwhile, the challenges faced by the Al-Amin Sidoardjo Islamic boarding school are more in the unavailability of a special team of operators who are technically in charge both in terms of planning, organizing, implementing, and evaluating related to the pesantren's website and social media. In addition, the maintenance of digital systems and devices that are used for digitalization is not yet optimal.  

Metalindo Perkasa is a company engaged in the field of furniture that produces chairs. In the production process of stacking chair components, there are problems encountered, namely the number of defects that exceed 1% of the standard determination. It can be a maximum lack of opinion on the company.The research was conducted with the aim of finding solutions to the factors that cause disability and finding action solutions to minimize disability. The method used in this research is Statistical Process Control (SPC). The results showed that the types of defects found were hollow, bent and curly.Factors that cause defects are human factors, machine factors, method factors, action solutions to eliminate defects by training operators, carrying out machine maintenance and checking machine components regularly and increasing supervision when setting degrees.

This study focuses on the management of gear pump maintenance on KM Kelimutu ship. Data collection methods are used to identify and investigate the causes of damage that occur in the gear pump. The required maintenance and repair actions are determined based on the analysis results. The process of managing maintenance involves several important steps. First, planning is carried out to determine the planned maintenance actions. Subsequently, organization is conducted by appointing responsible personnel and coordinating with relevant parties to minimize disruptions to the maintenance of equipment and other machinery on the ship. Furthermore, actuating involves efforts to ensure that all human resources work according to their tasks, functions, and competencies in order to achieve company goals. Finally, control is implemented through supervision of each job performed to identify and rectify any potential errors. The results of this study provide insights into the importance of gear pump maintenance and effective strategies in managing the maintenance process. By implementing the appropriate steps, it is expected to enhance the performance of the gear pump, extend its service life, and optimize operational efficiency in the industry.

Machine maintenance must be carried out as a support for the reliability of a machine so that the production system can run smoothly to meet production needs. The fundamental problem of this study is in PT XYZ with the Roll Table 5Q machine, which frequently experiences sudden damage caused by critical components. The goal of the study was to determine the maintenance time interval of the 5Q Roll Table machine, the optimal age of the machine, and the number of mechanics based on the minimum total maintenance cost in an effort to improve the reliability of the machine using the Reliability Centered Maintenance (RCM) II methods and Life Cycle Cost (LCC) methods. From the results of research for critical components As Roll Table obtained interval value of 331 hours / 13 days once a year with the selection of action is Scheduled restoration task and for Bearing components obtained interval value of 109 hours/5 days once a year with the selection of action is Scheduled on-condition task. From the calculation of the total life cycle cost of Rp. 3,720,459,386 with the optimal number of mechanics on the Roll Table machine as many as 3 mechanics with an efficiency level of 9.63% with an optimal age for the Roll Table machine 5Q is 12 years.

PT. Semen Indonesia (Persero) Tbk is a company that produces cement and runs the production process 24 hours a day. The company uses Roto Packer in its packaging process. In carrying out machine maintenance efforts, the company has implemented a maintenance system, namely preventive maintenance. However, even though preventive maintenance has been carried out, the company still experiences downtime on the spring load cell components. Therefore, it is necessary to carry out an analysis in order to determine the time between breakdowns, breakdown times, and arrange optimal maintenance schedules for spring load cell components. This study uses the Reliability Centered Maintenance (RCM) method with the Kolmogorov-Smirnov test to develop preventive maintenance activities that have been scheduled by the company. The results obtained, for the spring load cell component, component replacement must be carried out every 4 days with a replacement time of 49 minutes and a reliability of 39.87%.