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IPTEK Journal of Proceedings Series
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 23546026     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
IPTEK Journal of Proceedings Series publishes is a journal that contains research work presented in conferences organized by Institut Teknologi Sepuluh Nopember. ISSN: 2354-6026. The First publication in 2013 year from all of full paper in International Conference on Aplied Technology, Science, and Art (APTECS). It publish one time a year after the held of APTECS event.
Arjuna Subject : -
Articles 1,079 Documents
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The Impact of Folding Shutter on the Daylighting Performance in Tropical Climate Yasmine Mawaddag Ghufrona; Asri Dinapradipta; FX Teddy Badai Samodra
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11099

Abstract

Utilization of abundant sunlight in tropical climates as daylighting can help to save energy consumption in the flats building. Based on daylight conditions in tropics, there is a need for a dynamic shading to be applied in façade which can be transformed to respond to the environmental change. Folding shutter is a dynamic shading device which can be operated by using folding and rotation motion. This paper aims to discuss the impact of folding shutter on the daylight performance in the context of flats buildings in tropical climates. Simulation using Radiance was conducted to test the sub-variables of folding shutter, including the folding configurations and shutter’s rotation angles on different conditions in tropics. The results showed that folding configurations results in high increase of daylight intensity and should be applied moderately. Meanwhile the shutter’s slats can help to diffuse and reflecting incoming light to the deepest areas of room. A closed configuration with shutter’s angle of 0° and 45° performed the best to face the inconsistent cloud movement in partly cloudy sky. The integration of folding shutter and 60 cm overhang produced the most stable performance which can meet the visual comfort standard in the longest period in tropics.
The Spatial Characteristics of Tidal Flood Vulnerability and Adaptation Strategy in Tambak Lorok Kampung Settlement Fajrin, Akhmad Raditya Maulana; Hayati, Arina; Faqih, Muhammad
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020) - IN-PRESS
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11124

Abstract

The coastal area has an important role in supporting the community development and economics. The problem occurs when the tidal flooding has almost completely engulfed human activities for instance in human settlements. Tidal flooding has a negative impact on physical, social, economic, and environmental conditions, as an example the coastal settlement in Tanjung Mas Village. Tidal flood, in addition, can cause damage on infrastructure and housing areas, also, it has an impact to the live of communities, households, and individuals simultaneously. This research aims to examine on how to determine the vulnerability of community settlements to the danger of tidal flooding and how to build the adaptation efforts among the community to deal with tidal flooding disaster in order to keep the buildings and public facilities in safety. This research uses interview and observation methods, then, by using qualitative descriptive techniques to gain result underlined in the object research. The result shows that Kampong Tambak Lorok can be divided into 3 zones at high, medium and low. This zoning concept is obtained from flood vulnerability assessment related to the high of tidal flood, inundation duration and its impact. The first zone is represented by a high tidal flood with an average threat duration of inundation ranging from 3 to 5 hours. The depth of the tidal flooding can reach around 70-80 cm from the floor in a house. The second zone is represented by a medium tidal flooding with an average threat duration of inundation ranging from 3 to 4 hours. The depth of the Tidal Flood can reach around 50-60 cm from the floor. The third zone is a low tidal flooding with an average threat of inundation ranging from 0 to 1 hour. The problem of settlements on monetary and non-monetary factors lies in the economic capacity of the community which is classified as very low, affecting the value of expenditure for settlement needs. This has an impact on the response of the community in dealing with tidal flooding. Adaptation to settlements by elevating the level of floor in the house, changing the position of electricity, elevating the height of the house, making dykes on the front of the house and suctioning the flood by pump.
Kinematic Analysis of SAVGS Samnang Chheang; Unggul Wasiwitono
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.8902

Abstract

The SAVGS as active low bandwidth retrofitted in the double-wishbone arrangement is studied. In this study, two configurations of arm linkages and variations of single-link are investigated. A linear equivalent model of the quarter car is presented based on energy conservation principles. The estimated results captured that the spring stiffness and damping coefficients of the equivalent model behave smaller when lengthening the lower arm geometry. On the other hand, the spring stiffness, damping coefficients, and linear actuator speed of the equivalent model increase when lengthening the single-link.
Analysis of the Cost-Effective Road Maintenance Program for the Improvement of Road Value in Kabupaten Gresik Using the Forecasting Method Astuti, Dhiannita Tri; Wiguna, I Putu Artama
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020) - IN-PRESS
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11156

Abstract

Roads have a very significant role in enhancing various fields as part of the national transport network. Road management includes road construction, improvement, and technical maintenance activities, which are continuously carried out for the physical maintenance of the road. The role of the road service must be fulfilled so as not to compete with the transportation that passes on the road. Based on the phenomena that have been described, we present the analysis of the cost requirements and methods of road handling in addition to the effectiveness of road stability for the next two years. The research was carried out for a case study of the district major road in Gresik Regency, which is represented in this situation by three main roads. The analysis of a data set is based on the variables of historical data. Then, we analyze using time series with moving averages, exponential smoothing, and trend projection. Next, the method for setting a maintaining strategy of overcoming prediction and its relation to the solidity of the roads, using fuzzy tahani. The results analyzed are confirmed by the recommended output for the next two years.
Multicriteria Analysis to Determine Locations of Restaurant Branch Using Bayesian Network Fauzia, Nilna; Singgih, Moses Laksono
IPTEK Journal of Proceedings Series No 1 (2020): The 1st International Conference on Business and Engineering Management (IConBEM)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i1.10859

Abstract

To determine a strategic restaurant location, a company has to consider several location criteria. Location criteria is divided into two perspective, namely customer perspective and management perspective. The purpose of the consideration of restaurant location criteria are to attract customer to come in so could obtain maximum profit for the unit business. Every restaurant has different location criteria, that is influenced by market segmentation of restaurant and business strategic of the company. The aim of this research is to learn about general restaurant location criteria, investigate specific restaurant location criteria, and do an assessment to obtain appropriate location alternative. Specific restaurant location of this research is location of Ayam Geprek “AG” Restaurant. This research use Bayesian Network Method to process probability of the criteria. This research obtain the data from questionnaire to management and potential customer Ayam Geprek “AG” Restaurant. The questionnaire consist of two steps, the first step is choices for Ayam Geprek “AG” criterion restaurant. The second questionnaire is about level of importance assessment every location criteria. There are three alternative location that will be rated based on the Ayam Geprek “AG” criteria. The result for the appropriate alternative is third alternative which are located in west Surabaya and has total score 18.11.
Corporate Social Responsibility from Cigarette Industry According to Stakeholder Perspective Najoan, Hans William; Anandya, Dudi
IPTEK Journal of Proceedings Series No 1 (2020): The 1st International Conference on Business and Engineering Management (IConBEM)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i1.11336

Abstract

This research is aimed to analyze the Corporate Social Responsibility (CSR) activities run given by cigarette industrial companies in Indonesia. Although CSR activity is a form of responsibilities which every company has to do, there are many rules and regulation which limits the scope in cigarette industrial companies can act in. There are four subjects on this research: receiving end of the CSR activity, big three cigarette industry in Indonesia (Sampoerna, Gudang Garam, Djarum), union of cigarette industry that called GAPPRI, people who near with cigarettes. This research uses a qualitative research and interpretivism paradigm in which it focuses on revealing stakeholders point of view on activities that refers to rules and regulations, CSR principles, and strategies which cigarette industrial companies use for CSR activities. There are a lot of perspective in public about CSR activities from cigarette industrial: it’s just a campaign for promote cigarette to children, it’s an activities that built to “pretend” they’re care with others but behind that cigarette industry which causes the problems. Besides every issues, this research found that social responsibility from cigarette industry are pure for serves public, very transparency for every activities, there are no cigarette’s brand, and not looking for benefit.
Influence of Façade Configuration on Thermal Performance of Residential Unit of Typical Walk-up Flats in Surabaya Nurdin, Apriliana Hidayati; Antaryama, I Gusti Ngurah; Ekasiwi, Sri Nastiti Nungrahani
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020) - IN-PRESS
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11090

Abstract

Flat design has evolved and taken many shapes and forms. Most of the arrangements are arranged in a double-load layout where the units are positioned face to face along the corridor. Another type is two single-loaded flats that are configured to face the courtyard. Building façade also varies from those with shaded surfaces to those with minimum sun protection. Modification in design clearly has an impact on the thermal performance of the buildings. The aim of the study is to investigate the facade configuration on the thermal performance of the building. This study uses simulation software, namely, Design Builder, to predict the thermal performance of the buildings. Several variants of window areas, sun shading, balconies are arranged to explore their effects on thermal performance. Flat with yard selected as a reference model. The results showed that the smaller the window area and the greater coverage given to the window with a shading device, combined with the balcony, can provide a decrease in air temperature up to 0.57 ⁰C, with a reduction in cooling degree hours percentage of 36.97% comparing to the reference model.
Accommodating Fun at Work Environment to Improve Employees Engagement Nugroho, Cahyo Aji; Suryani, Erma
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020) - IN-PRESS
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11147

Abstract

In companies’ work of world nowadays, employees’ psychological connection with their work has gained critical importance. In this context, companies not only must recruit the top talent, but must also inspire and enable employees to apply their full capabilities to their work by conditioning supportive working environment called fun at work. Grati Project, PT. Hutama Karya (Persero) holds a big project engaged in Combine Cycle Power Plant (CCPP). As a project accommodating many employees, the company realizes some internal and external factors that potentially create distraction and disharmony fostering disengagement and disrupting its flow. Anticipating this condition, Grati Poject, PT. Hutama Karya (Persero) creates some forms of workplace fun offer individual employee enjoyment which stimulates greater overall engagement with the team and company itself. However, this has not been confirmed because there is no research in this project discussing about the implementation of fun at work in order to increase employee involvement in Grati Project PT. Hutama Karya (Persero). This research descriptive explorative aims to evaluate the implementation of fun at work in Grati Project PT. Hutama Karya (Persero) in order to increase employee work engagement and identify the obstacles/ problems in it. This research also reveals the efforts/ strategies taken by the company to maintain employee work involvement by implementing fun at work program. Method of data collection in this research use preliminary survey and main survey through web-based questionnaire, interview and observation. Method of data analysis use descriptive explorative gained from Miles & Huberman interactive analysis which consist of: (1) Data Reduction, (2) Present Data, and (3) Taking and Testing Conclusion. Result of this research are implementation 4 (four) fun at work dimension (socializing at work, celebrating at work, personal freedoms, dan global fun at work) that its real make work environment become fun then automatically improve employee work involvement which consist of 3 (three) dimension of vigor, dedication and work absorption. Result of this research also indicate problem and effort to resolve in order to implementation fun at work to improve employee work involvement which consist of: a) technical factor, b) social external factor, c) financial factor, d) fast program schedule, e) employee discipline and integrity
Modelling Adoption of Innovation at a State Owned Company Tamara Latifah Jasmine; Tatang Akhmad Taufik
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.9189

Abstract

This study aims To measure the level of technology readiness level (TRL) and to assess user acceptance to use the transportation management system software utilizing technology acceptance model (TAM) approach. Technology acceptance model (TAM) is used to describe the three components, i.e., perceived usefulness, perceived ease of use, and behavioral intention to use . To ensure that these 3 components are important factors of TAM, authors utilized factor analysis method, whereas t-test calculations were carried out to find out the relationships between components. The results show that the TRL of transportation management system software readiness is 9 which means that it is ready to be used widely in the company. The factor analysis shows that TAM is influenced by the three components, which is able to explain about 66.8% of variations. In the meantime the t test shows that all hypotheses are accepted, so there are significant relationships between components analyzed. To summarize, the authors conclude that the company can benefit the usefulness and ease of use of the transportation management system software developed, so that the behavioral intention to use and the utilization of this technological innovation can be optimized.
The Effectiveness of Indonesia’s Feed-in-Tariff Implementation to Improve Business Interest in Renewable Energy Case: The Simulation for Solar Farm in Weh Island (Aceh-Indonesia) Rahmawati, Sri; Salam, Rudi
IPTEK Journal of Proceedings Series No 3 (2020): International Conference on Management of Technology, Innovation, and Project (MOTIP) 2
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i3.11230

Abstract

The support of the Indonesian government in encouraging the achievement of renewable energy targets is to impose a Feed in Tariff (FiT) rule as a benchmark purchase price through the State Electricity Provider (PLN). The Ministry of Energy and Mineral Resources in 2013 determined that, the FiT for the Aceh region was $ 17 cents, where the highest FiT in Indonesia could reach $ 30 cents. In 2017 a new regulation was issued, in which FiT was set at 85% of regional production costs (BPP). In fact, currently BPP available on Weh Island reach more than Rp. 2,500 / kWh, with an average selling price to the community of Rp. 900, - / kWh. This BPP is more expensive than the price setting by the Government in 2017 of Rp 1,733 / kWh. In measuring the FiT's effectiveness, the evaluation solved based on economic valuation. Simulations were carried out for the capacity of 1 and 5 MW solar farms using 2 different panel components by comparing the prices of FiT BPP determined by the government and BPP in actual conditions. The results showed that, simulations with a capacity of 1 MW, using 85% of the government's BPP, were ineffective and not feasible based on economic calculations. whereas with FiT based on actual BPP, the profit to be achieved is about 42-45% / kwh with return-on-investment capital in the 10th year. The simulation with 5 MW capacity shows an effective and feasible profit if it use the actual BPP condition of the FiT with an effective profit value around 49-56% / kwh.

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