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All Journal Rekayasa Sipil CITIZEN: Jurnal Ilmiah Mulitidisiplin Indonesia
Gunawan, Ratih Yuliani
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Religion Humanities Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Social Sciences

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AutoCAD® 2D for Geometric Design of Terbanggi Besar–Pematang Panggang Highway (Sta.28+650 – Sta.53+650) Gunawan, Ratih Yuliani; Rifai, Andri Irfan; Irianto, Muhamad Alamsyah
Citizen : Jurnal Ilmiah Multidisiplin Indonesia Vol. 2 (2022): SPECIAL ISSUE: Sustainability of Design, Public Transport, & Engineering
Publisher : DAS Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53866/jimi.v2i5.189

Abstract

With a length of approximately 2,818 kilometers, the Trans Sumatra Highway connects cities from Lampung to Aceh. Meticulous planning and adherence to the geometric and technical requirements of the route are required to provide good road service. The purpose of this paper is to specifically redesign the current route on the Terbanggi Besar-Pematang Panggang section of the highway. The information used in this report as a guide for re-planning came from the results of field surveys. The geometric design of this highway was carried out using the manual calculation method based on the Road Design Standards of Indonesia 2021 and visualized using AutoCAD® 2D. Based on available data, a design speed (VD) of 120 kph is determined according to the maximum value on flat terrain on the highway. As a result of data processing on a particular road section, a horizontal alignment with a full circle curve type with a radius of 1500 m was created. Meanwhile, a sag vertical curve type is obtained in the vertical alignment with a length value at one point of the curve (L) of 75.6 m
Early Identification of Potential Increases in Construction Costs Based on SAP S/4 HANA Gunawan, Ratih Yuliani; Girsang, Hamonangan; Djawu, Patricia Kanicia
Rekayasa Sipil Vol. 19 No. 3 (2025): Rekayasa Sipil Vol. 19 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2025.019.03.8

Abstract

The construction industry plays a strategic role in developing infrastructure and facilities. However, issues such as cost overruns often lead to losses in the construction project implementation. This issue has been highlighted recently, especially in state-owned construction service companies. Rapid evaluation of cost control is crucial to mitigate potential project cost increases. This is because a cost overrun can potentially harm the company. Therefore, cost control in construction projects becomes a very important aspect and needs to be managed effectively. Currently, one of the software programs widely used in company cost management is the SAP S/4 HANA program, an Enterprise Resource Planning (ERP) application. This research aims to identify the potential of construction cost overruns. Through the data analysis conducted, this research includes analysis of cost management in construction projects, project implementation budgets, work breakdown structure (WBS), and cost breakdown structure (CBS). It presents solutions for potential cost overruns early using SAP S/4 HANA in the University XYZ building project.  The research was conducted using a literature study and a quantitative analysis method—data collection from interviews and analysis, as well as conclusions. Data processing using the SAP S/4 HANA program provides advantages in providing real-time information about the project budget conditions and enables effective and efficient decision-making. The research findings indicate that Top management support, Vendor support, User Training, and SAP S/4 HANA’s report can influence the successful implementation of SAP S/4 HANA in early detection. The analysis of the final project costs based on the SAP S/4 HANA Project System module in the University XYZ Lecture Building Project indicates a potential construction cost increase.
Co-Authors Andri Irfan Rifai Djawu, Patricia Kanicia Hamonangan Girsang Irianto, Muhamad Alamsyah