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Estimasi Kerugian Fisik Akibat Gempa Bumi pada Infrastruktur Jalan dan Jembatan: Studi Kasus Fly Over di Kota Bandung Milyardi, Roi; Natanael, Ariel
Journal of Infrastructure Policy and Management Vol. 8 No. 2 (2025): Journal of Infrastructure Policy and Management (JIPM)
Publisher : PT Penjaminan Infrastruktur Indonesia (Persero)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35166/jipm.v8i2.138

Abstract

Indonesia’s geographical location, which is prone to earthquakes and high economic losses in the infrastructure sector, requires a quantitative approach to support post-disaster financial resilience. This study aims to estimate earthquake losses to road and bridge infrastructure in a flyover in the City of Bandung using the HAZUS method developed by FEMA in the United States. The research methodology involved analyzing losses on the 550-meter flyover at the Jakarta street, the City of Bandung, which consisted of road and bridge segments. Estimates were made based on eight earthquake scenarios with different recurrence periods, using seismic parameters from the 2017 Indonesian Earthquake Map correlated to meet annual physical loss requirements (AAL). The analysis components included hazard (PGD and S1), fragility curves, and cost variables for each damage level. The results showed that the AAL values for sections AB, BC, and CD were IDR 23.46 million, IDR 14.29 million, and IDR 28.67 million, respectively. These findings indicate that the HAZUS method can be used to systematically map potential road infrastructure losses and support the planning of Disaster Pool Funding (PFB) allocations. Despite limitations in local data and design parameters, this study provides a strong basis for the development of more contextual and applicable loss estimation models in Indonesia. 
Evaluation of Procurement Process on Ethanol Factory Construction – Lampung Roi Milyardi; Indra Koheru; Cindrawaty Lesmana
Journal of Innovation and Community Engagement Vol. 1 No. 1 (2021)
Publisher : Faculty of Smart Technology and Engineering, Universitas Kristen Maranatha, Bandung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jice.v1i1.3366

Abstract

The procurement process in construction is quite complicated with its various methods. One of them, design and construct contracting, which often used, is one that has an advantage of saving time and money. However, for companies without sufficient capabilities to carry out procurement, the design construct contract method also requires expert assistance in the process. To meet the construction procurement process requirements, one workable solution is that the company collaborates with a university for its factory construction development. The relevant academicians have expertise to solve problems in procurement process. The academician team was collecting appropriate data and then evaluating it to give suggestions on the construction procurement process. The method used was a simple comparison of the price proposed by the contractor to the owner estimate which was then calculated based on the Indonesian Regulation by the Minister of Public Works and Housing no. 28/PRT/M/concerning the unit price analysis that used as reference. Prices for materials, tools, and wages referred from Indonesian unit price journal references. The result of the evaluation was to determine the contract winner based on price and technical design aspects within company budget. During the evaluation process, clarification was made regarding the proposed design, construction method and quality of the proposed material to match the technical aspects of the design. The price evaluation process which was carried out in a short term has assisted the company in carrying out its construction procurement process. In the long run, cooperation can be developed in the form of human resource training so that the company can develop independently in carrying out the construction procurement process. Keywords: construction procurement, community service, owner estimate