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All Journal The Asian Journal of Technology Management (AJTM) Jurnal Ilmu Manajemen Terapan (JIMT) Makara Journal of Technology
Teuku Yuri M. Zagloel
Industrial Engineering Department, Faculty Of Engineering, Universitas Indonesia, Depok 16424, Indonesia
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Makara Journal of Technology

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Cradle to Gate Simple Life Cycle Assessment of Biodiesel Production in Indonesi Hidayatno, Akhmad; M. Zagloel, Teuku Yuri; Purwanto, Widodo Wahyu; Carissa, Carissa; Anggraini, Lindi
Makara Journal of Technology Vol. 15, No. 1
Publisher : UI Scholars Hub

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The focus of this research is to analyze potential environmental impact in the supply chain of palm oil biodiesel industries. Simple Life Cycle Assessment (LCA) is applied to analyze impacts, produced by the three main units in the supply chain of Palm-Oil-based Biodiesel, which are Palm Plantation, CPO mill, and Biodiesel Plant. We developed LCA calculation model using spreadsheet software, used to assess a number of input scenarios to evaluate the best scenario, in variation of: land quality, land area and the rate of clearing, land clearing technique and type of the original land. The biggest potential environmental impact is the contribution to global warming impact which emissions are produced mostly from unit plantation. Although plantation has biggest potential to contribute to environmental impact, it also gives biggest reduction to global warming impact. In general, the biggest environmental impact in the LCA category is climate change, followed by photo-oxidant formation and eutrophication. The biggest impacts in the supply chain are from the plantation, especially when choosing the right technique for land clearing. In addition, due to LCA linearity nature, the scenario that we tested does not change the total accumulative environmental impacts.
Development of the Soekarno–Hatta International Airport Rail Link Project Using the Value Engineering Method: Creating Value for Money Berawi, Mohammed Ali; Susantono, Bambang; Dikun, Suyono; Ilyas, Tommy; Rahman, Herawati Zetha; Berawi, Abdur Rohim Boy; Zagloel, Teuku Yuri; Miraj, Perdana; Petroceany, Jade Sjafrecia
Makara Journal of Technology Vol. 18, No. 3
Publisher : UI Scholars Hub

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Soekarno–Hatta Airport is the main gateway for international flights to Greater Jakarta. Its accessibility depends on the inter-city and Sedyatmo toll roads, which causes congestion in peak hours, leading to uncertainty about travel times. The Soekarno–Hatta International Airport Rail Link (SHIARL) is proposed as an alternative mass transportation project, which is expected to provide accessibility and mobility for people and goods to and from the airport. Previously, the project was unattractive to private investors as it was technically and financially unfeasible. Therefore, this research aims to improve the feasibility of the Soekarno-Hatta International Airport Rail Link (SHIARL) by using a value-engineering approach to create maximum value for money for the project. This research combines quantitative and qualitative methods. Questionnaire surveys are distributed to various stakeholders in the project, and a focus-group discussion (FGD) is conducted. The results identified additional, innovative functions through the integration of the Mass Rapid Transit (MRT), flood control, telecommunications, and development in the downtown area around the station. The life-cycle cost analysis confirmed the increased value for money because of the project’s additional functions, including a positive Net Present Value (NPV). Moreover, the findings showed that the internal rate of return (IRR) was 3% higher than the original single-function project.
Developing Road Infrastructure Route Planning: Increasing Feasibility of Toll Road Project Berawi, Mohammed Ali; Zagloel, Teuku Yuri; Miraj, Perdana; Berawi, Abdur Rohim Boy; Titaheluw, Wellsi; Karim, Saipol Bari Bin Abd
Makara Journal of Technology Vol. 20, No. 3
Publisher : UI Scholars Hub

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Indonesian government attempts to improve connectivity and to increase regional activities in Sumatera Island through the development of Trans Sumatera Toll Road (TSTR). However, despite its benefits to local economic development in Sumatera, the project shows low feasibility due to a low amount of investment. It can be attributed from the lack of planning in the initial phase to produce a comprehensive route that considers the various potentials of the regions. Thus, this research aims to investigate alternative route planning of Trans Sumatera Toll Road particularly in this paper for Central Sumatera by studying Gross Regional Domestic Product (GRDP), population and other significant factors. This research exposes cities and districts in Riau, West Sumatera, and Jambi which potentially contribute to the regional economy. Each selected towns and districts will be integrated with the intermodal system and connected to other functions to establish the Trans Sumatera Toll Road project in Central Sumatera. Compared to existing estimation of investment from public records, this alternative route has generated a competitive cost of investment which is estimated around 118,053,400,074,696 rupiahs. The research findings are expected to become the basis to improve other similar infrastructure toll road project development.
Co-Authors Abdur Rohim Boy Berawi Abdur Rohim Boy Berawi Akhmad Hidayatno Armand Omar Moeis Bambang Susantono Carissa Carissa, Carissa Erlinda Muslim Gozali, Lina Guo, Sonny Haron, Habibah Norehan Herawati Zetha Rahman Jade Sjafrecia Petroceany Karim, Saipol Bari Bin Abd Komarudin Komarudin Lindi Anggraini, Lindi Masrom, Maslin Mohammed Ali Berawi Pawenary, Pawenary Perdana Miraj Suyono Dikun Titaheluw, Wellsi Tommy Ilyas Widodo Wahyu Purwanto Yusuf Abdurachman