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All Journal Jurnal Spektran TEKNIK IPTEK Journal of Proceedings Series RACIC : Rab Construction Research Simposium II UNIID 2017 Syntax Literate: Jurnal Ilmiah Indonesia Civil Engineering Journal Jurnal Transportasi: Sistem, Material, dan Infrastruktur Astonjadro Jurnal Pensil : Pendidikan Teknik Sipil JMTS: Jurnal Mitra Teknik Sipil Journal La Multiapp Smart City Makara Journal of Technology International Journal of Applied Business and International Management Journal of International Conference Proceedings Jurnal Indonesia Sosial Teknologi Eduvest - Journal of Universal Studies
Rarasati, Ayomi Dita
Civil Engineering Department, Faculty Of Engineering, Universitas Indonesia
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Neuroscience Social Sciences Transportation Other

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Success Factors Analysis in Sorong-Manokwari Railway Infrastructure's Project Evaluation with Fuzzy AHP Method Kambuaya, Flora Tresia Wehelmina; Rarasati, Ayomi Dita
Smart City Vol. 4, No. 1
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

An infrastructure project is a long-term project that has two consequences in the form of uncertainty related to risk and expansive costs. Are infrastructure projects a good long-run stimulus to growth economy? Particularly for new developing areas like Papua island where project preparation evaluation has to be established in order to implement the project. Railway infrastructure is a project initiated in 2018 by Indonesia President and is currently still under administration processing. As a new incubator project, the first train project in Papua Land contains several factors that may be essential to drive project success. The critical success factors as key factors in the preparation of railway infrastructure projects are seen as the main drivers for the success or failure in said project. This research aimed to find answers by problem formulation through the Analytic Hierarchy Process (AHP) technique, which applies triangular fuzzy number known as Fuzzy AHP. The technique obtained weighting criteria on for 82 indicators that were further identified to result in 27 critical success factors. Ten experts in relevant professions and structural positions in various government institutions were interviewed for the purpose of this research. The evaluation of project preparation carried out here is mainly focused on the project system approach in terms of management and party support as well as key factors for the success of the railway project.
Development of Contract Management Strategy to Control Late Payment in Building Projects Yunianto, Irwan; Rarasati, Ayomi Dita
Journal of International Conference Proceedings Vol 3, No 4 (2020): Proceedings of the 8th International Conference of Project Management (ICPM) Mal
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v3i4.1005

Abstract

Building projects with private ownerss have high level of payment issues (late payment, underpayment, or non-payment). The purpose of this study is to develop a risk-based contract management strategy to avoid late payment from private ownerss to contractors. The research data consisted of literature reviews, questionnaires, and qualitative risk data analyses. The risk analyses identified 10 highest risks as the dominant risk factors from 37 risk variables. The risk response to dominant risk variables was used as a strategy for developing a contract management system. Risks affecting late payment were largely due to contractual clause and contracting clients with less financial capacity due to lack of analysis in the pre-contract phase.
IDENTIFIKASI KARAKTERISTIK PERUMAHAN RAKYAT MELALUI ANALISIS TRIANGULASI Arumsari, Putri; Alisjahbana, Sofia W.; Rarasati, Ayomi Dita; Sulistio, Hendrik
JMTS: Jurnal Mitra Teknik Sipil Volume 7, Nomor 3, Agustus 2024
Publisher : Prodi Sarjana Teknik Sipil, FT, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmts.v7i3.28229

Abstract

Public-rented flats, which are intended for low-income society, have characteristics which are different from other type of public housing. Based on past literatures, there are 9 characteristics which are public-housing/residential unit’s specifications, supporting facilities, public facilities, surrounding facilities, social environment, household character, location, owner, and funding which are associated with the residents’ satisfaction towards public housing. Other than the issue of public-rented flats’ characteristics, some researches have also suggested changing the institutional and financial scheme of management unit of public-rented flats (MUPRF), especially the ones in DKI Jakarta Province. Therefore this initial research is conducted to identify the characteristic variables of public-rented flats that affect the choice of changing the institutional and financial scheme for the MUPRF. This research is a qualitative research using triangulation analysis based on 3 sources of data which are past literatures, regulations and interviews. According to the triangulation analysis the characteristics that affects the choice of changing the institutional and financial scheme for the MUPRF are public facilities, surrounding facilities, household character, and funding. Abstrak Rumah susun sederhana sewa (rusunawa) yang diperuntukan untuk masyarakat berpenghasilan rendah (MBR) memiliki karakteristik yang berbeda dengan unit hunian perumahan rakyat lainnya. Berdasarkan studi literatur terdapat 9 variabel karakteristik perumahan rakyat yaitu spesifikasi perumahan rakyat/unit rumah tinggal, fasilitas pendukung, fasilitas umum, fasilitas lingkungan, lingkungan sosial, karakter rumah tangga, lokasi, pemilik dan pembiayaan yang diasosiasikan terhadap kepuasan penghuni pada perumahan rakyat. Selain isu terkait karakteristik perumahan rakyat, terdapat beberapa literatur yang mengusulkan perubahan kelembagaan dan finansial pada unit pengelola rumah susun (UPRS), khususnya di Provinsi DKI Jakarta. Oleh karena itu penelitian awal ini akan mengidentifikasi variabel-variabel karakteristik yang dapat mempengaruhi pemilihan skema-skema kelembagaan dan finansial pada UPRS. Penelitian ini merupakan penelitian kualitatif dengan menggunakan analisis triangulasi yang diperoleh dari 3 sumber data yaitu dari studi literatur, perundang-undangan dan wawancara. Berdasarkan hasil analisis triangulasi didapatkan variabel karakteristik perumahan rakyat yang mempengaruhi pemilihan skema-skema kelembagaan dan finansial pada UPRS adalah fasilitas umum, fasilitas lingkungan, karakter rumah tangga dan pembiayaan pembangunan.
Identification of Project Construction Delay Factors in Depok City, West Java (Study in Department of Housing and Settlement, Depok City) Ama Muttahizi Ahadan Auhan; Ayomi Dita Rarasati
International Journal of Applied Business and International Management Vol 7, No 3 (2022): December 2022
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/ijabim.v7i3.1959

Abstract

Depok is one of the big cities in West Java, and it is a buffer zone for the capital city of Indonesia, Jakarta. Hence, the Depok city government is very active in developing the city, especially in building housing and settlements. There are many projects handled by the government but are often delayed. To solve these problems, the purpose of this research is to identify the construction project delay factor. There are 5 variables studied in this study such as project owner factors, contractor factors, consultant factors, shared responsibility factors, and external factors. This research is research with a qualitative approach by conducting a literature review and the results will be validated by experts following the provisions of the Project Management Institute. The results of the analysis show that 5 variables, namely project owner factors, contractor factors, consultant factors, shared responsibility factors and external factors are very valid in influencing construction project delays in Depok City. This research is expected to have positive implications and become a reference in mitigating the risk of delays by determining the control measures for future projects in Depok City and other cities. Keywords: Delay, Delay Factor, Construction, Housing Project, Depok
Fuzzy Bayesian Belief Networks Method on Risk Assessment of EPC Pipeline Project Yusuf, Muhammad; Latief, Yusuf; Rarasati, Ayomi Dita; Trigunarsyah, Bambang; Laksono, Naufal Budi
Civil Engineering Journal Vol 11, No 3 (2025): March
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2025-011-03-013

Abstract

Subsea gas pipeline projects are experiencing significant technical and managerial challenges across Engineering, Procurement, and Construction (EPC) phases. To address the challenges, effective risk management in the early project phases is essential to mitigating cascading failures that cause significant schedule delay and cost overrun. Therefore, this study aimed to apply the Fuzzy Bayesian Belief Networks (FBBNs) method to model risk assessment during EPC phases. The findings showed that FBBNs made it possible for a new way to evaluate risks, find interdependencies, and guess what would happen next, which created a strong framework for reducing risk. Based on probabilistic analysis as supported by expert elicitation, risks from the early phase of engineering and procurement showed high probabilities of occurrence, including Incompetent Personnel, Project Mismanagement, Unsupportive Stakeholder, Corruption, and Design Inaccuracies. A significant impact was also observed on Construction Rework, Material Quantity Increase, Construction Delay, and Cost Overrun. The results showed the importance of addressing systemic issues early in the EPC project lifecycle, emphasizing personnel competency, design accuracy, strategic and project management planning, procurement management, stakeholder management, and constructability preparation to reduce vulnerabilities. This integrated method aimed to enhance accuracy predictions by determining causal risk probability relationships in high-risk offshore environments of EPC subsea gas pipeline projects. Doi: 10.28991/CEJ-2025-011-03-013 Full Text: PDF
Development of building assessment criteria framework for implementing the issuance certificate occupancy in Jakarta with Genetica Algoritm method Prasetyo, M. Fajar; Dita Rarasati, Ayomi; Wibowo Ashadi, Henki
Jurnal Indonesia Sosial Teknologi Vol. 6 No. 1 (2025): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v6i1.9026

Abstract

A building is considered ready for use once it obtains a Certificate of Occupancy, which serves as a regulatory mechanism for overseeing building activities. To measure the quality level achieved in a completed building project, numerous assessment tools and methods have been developed globally to measure building performance. This study aims to create an evaluation system based on a scoring methodology. To develop the framework, seven prominent building assessment methods were analyzed, focusing on their application processes, primary criteria, and sub-criteria. Surveys were conducted involving construction experts and respondents familiar with quality and feasibility building assessment to incorporate their insights into the local construction context of Jakarta. The genetic algorithm method was used to analyze the survey data, leading to the identification of 12 criteria and 39 sub-criteria as the most suitable for assessing the implementation of the Certificate of Occupancy in Jakarta. These criteria include structural integrity (5%), fire safety (20%), mechanical, electrical, and plumbing (MEP) systems (8%), accessibility (8%), drainage systems and waste management (5%), functionality testing (8%), environmental quality (6%), sociocultural and functional aspects (8%), technical quality (8%), construction area quality (8%), energy consumption (8%), and health-related building requirements (8%).
FINANCING MANAGEMENT ANALYSIS OF PASIR KOPO DAM CONSTRUCTION PROJECT IN BANTEN PROVINCE Napitupulu, Reynaldo Vernandes Matheus; Rarasati, Ayomi Dita
ASTONJADRO Vol. 11 No. 2 (2022): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v11i2.6066

Abstract

The strategic program of the Republic of Indonesia's Government is stated in the National Medium-Term Development Plan (RPJMN) for 2020 – 2024.One of its targetisconstruction of eighteen (18) multipurpose dams. Pasir Kopo Dam is included in the RPJMN target and its expected to provide raw water supply, irrigation water, and increase the potential for electrical energy through Micro-Hydro Power Plant (PLTMH). However, the dam construction requires a huge project costs which can't be handled solely by State Budget (APBN). There is funding gap in State Budget for financing the dam construction, so another financing alternative is needed. Public Private Partnership (PPP)is an alternative financing scheme for dam construction. PPP is influenced by economic feasibility analysis and identification of influential project risks. The selection of an investment-worthy PPP Scheme in the Pasir Kopo Dam Development Project is expected to be mutually beneficial for all parties involved in the cooperation.
Analysis of the Causes of Investment Weakness in Kertajati Aerocity Business District Pandora, Olivia; Rarasati, Ayomi Dita
Journal La Multiapp Vol. 6 No. 4 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i4.2325

Abstract

This study investigates physical issues and proposed improvement solutions in the development of the business district in Kertajati Aerocity. A mixed-method approach was aplied, combining qualitative descriptive statistics with the quantitative Analytical Hierarchy Process (AHP). The findings reveal two key physical issues contributing to the investment weakness in the Kertajati Aerocity Business District: accessibility and public facilities. Among these, issues related to public facilities were identified as having a higher priority (eigenvalue 0.595) compared to accessibility issues (eigenvalue 0.405). The public facilities problem specifically refers to the absence of entertainment facilities in the business district. Meanwhile, the accessibility issue pertains to limited road network provision. Proposed solutions to address the lack of entertainment facilities include the construction of entertainment infrastructure and partnerships or collaborations with investors. For the accessibility issue, suggested improvements involve building new road networks, prioritizing road development, and fostering collaborative investment schemes.
Indicators in the Performance Evaluation Rubric for Supervision Consultants in Toll Road Construction Projects Rarasati, Ayomi Dita; Rahman, Wahyu Putra
Journal La Multiapp Vol. 6 No. 5 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i5.2318

Abstract

The construction of toll roads is a key government program aimed at enhancing public productivity and accelerating national economic growth. To ensure that toll road construction meets the desired quality, time, and cost objectives, the involvement of competent supervision consultants is essential. However, suboptimal performance of these consultants often leads to less-than-ideal project outcomes. This study aimed to analyse the performance evaluation indicators of supervision consultants and incorporate them into a comprehensive performance assessment rubric for supervision consultants in toll road construction projects. The research methodology combined literature review, questionnaire surveys, and expert interviews for data collection. Then, each indication is ranked and weighted using the Rank Order Centroid (ROC) and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) approaches. The results showed that respondents and experts identified 18 important indicators grouped into three categories soft skills, technical skills, and project supervision which can be used in a validated performance assessment rubric for evaluating supervision consultants in toll road construction projects.
Development of Contract Management Strategy to Control Late Payment in Building Projects Yunianto, Irwan; Rarasati, Ayomi Dita
Journal of International Conference Proceedings Vol 3, No 4 (2020): Proceedings of the 8th International Conference of Project Management (ICPM) Mal
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v3i4.1005

Abstract

Building projects with private ownerss have high level of payment issues (late payment, underpayment, or non-payment). The purpose of this study is to develop a risk-based contract management strategy to avoid late payment from private ownerss to contractors. The research data consisted of literature reviews, questionnaires, and qualitative risk data analyses. The risk analyses identified 10 highest risks as the dominant risk factors from 37 risk variables. The risk response to dominant risk variables was used as a strategy for developing a contract management system. Risks affecting late payment were largely due to contractual clause and contracting clients with less financial capacity due to lack of analysis in the pre-contract phase.
Co-Authors Abdur Rohim Boy Berawi Achmad Firdaus Achmad Jaka Santos Adiwijaya Adiwijaya, Achmad Jaka Santos Ama Muttahizi Ahadan Auhan Anang Wirdianto Andhika Karim, Dr. Rully Arshad, Tuba Arumsari, Putri Bambang Trigunarsyah, Bambang Bani Adlan Tedja Bich, Bich Hanes Evita, Meilia Fitri Hidayati Haryanto , Vian Marantha Hendrik Sulistio Henki W Ashadi Ilvan Prasetia Nugraha Ineswari Syifa Hayuningtiyas, Ineswari Syifa Irwan Yunianto Isti Surjandari Jachrizal Sumabrata Jade Sjafrecia Petrociany Kambuaya, Flora Tresia Wehelmina Laksono, Naufal Budi Lamari, Fiona Leni Sagita Supriadi, Leni Mohammed Ali Berawi Muhammad Alkausar Muhammad Multazam Muhammad Yusuf Napitupulu, Reynaldo Vernandes Matheus Neysa Dianesdhika Jasrul Nur Bella Octoria Pandora, Olivia Perdana Miraj Prasetyo, M. Fajar Prof. Ir. Sofia W. Alisjahbana, M.Sc., Ph.D., Prof. Ir. Sofia W. Putri Arumsari Rafsanjani, Hud Rahman, Wahyu Putra Raihan Alisha Nabila Ranindita, Atri Rayhan Mustofa Kartiyasa Riki Handri Muchlis Sakuntara Sjah, Jessica Sultan Rianto Taufiq Dwi Tamtomo Tohho, Given Waseso, Agung Barokah Wibowo Ashadi, Henki Wuri Anny Yumantini Yudhi Nopryan Dinata Yudi, Khrisna Yunianto, Irwan Yusuf Latief