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Identifikasi Faktor Penting Kesiapan Developer dalam Pengimplementasian Konsep Hijau pada Perumahan Terjangkau Roosdiawan, Pramudito Muhammad Reza; Rachmawati, Farida
SENTRI: Jurnal Riset Ilmiah Vol. 5 No. 1 (2026): SENTRI : Jurnal Riset Ilmiah, Januari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v5i1.5674

Abstract

The increasing demand for affordable housing in Indonesia necessitates residential developments that balance large-scale quantity with environmental sustainability through green housing concepts. While developers are the primary drivers of green adoption, they face significant organizational challenges. This study aims to identify the critical developer readiness factors essential for the successful implementation of green concepts in the affordable housing sector. A quantitative approach was employed, utilizing a literature review to identify 25 readiness variables, followed by Importance–Performance Analysis (IPA) and Inter-Rater Agreement (IRA) to analyze survey data from subsidized housing developers in East Java. The results highlight that three factors are perceived as the most critical for success, each achieving the highest importance mean of 4.556: Decision-Making Processes, Adequate Financial Budgeting, and Awareness of Green Design Concepts for Housing Provision. These factors emphasize the necessity of integrating sustainability criteria into core procurement procedures and ensuring dedicated funding for green premiums. Furthermore, the study identified five high-priority areas where actual readiness significantly lags behind importance, including collaboration networks and practical knowledge. Identifying these primary factors is crucial as it provides a strategic roadmap for developers and regulators to focus resources on the most impactful organizational capabilities. Enhancing these core readiness factors is essential to bridge the gap between national sustainability targets and actual field implementation.
Identifikasi Fitur Bangunan Hijau Berbasis EDGE pada Rumah Subsidi: Pendekatan Multi-Stage Screening dan Analisis Matriks Biner Buyang, Brian Y; Rachmawati, Farida
SENTRI: Jurnal Riset Ilmiah Vol. 5 No. 1 (2026): SENTRI : Jurnal Riset Ilmiah, Januari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v5i1.5675

Abstract

Penyediaan perumahan subsidi bagi Masyarakat Berpenghasilan Rendah (MBR) sering kali dihadapkan pada dilema antara keterjangkauan biaya awal (initial cost) dan kinerja bangunan jangka panjang. Sementara konsep bangunan hijau (green building) menawarkan efisiensi energi dan air, penerapannya pada sektor ini terhambat oleh persepsi biaya premium. Penelitian ini bertujuan untuk mengidentifikasi fitur-fitur bangunan hijau yang paling optimal untuk diintegrasikan pada desain rumah subsidi Tipe 30/66 di Bangil, Jawa Timur. Penelitian ini menggunakan metode kualitatif-kuantitatif melalui pendekatan penyaringan bertingkat (multi-stage screening) yang mencakup inventarisasi standar EDGE, validasi ahli (Greenship Professional), dan analisis Matriks Biner. Hasil penelitian mengidentifikasi enam fitur utama: Reflective Roof (SRI 90), Ventilasi Alami, Kaca Low-U, Keran Aerator, Showerhead hemat air, dan Kloset Dual Flush. Analisis Matriks Biner memvalidasi bahwa keenam fitur terpilih memiliki dampak penghematan signifikan (Sustainable=1), menjadikannya strategi esensial untuk menurunkan intensitas energi dan air. Temuan lebih lanjut menunjukkan 83% fitur merupakan strategi desain pasif dan efisiensi saniter dengan biaya tambahan minimal (Cost=1), sedangkan Kaca Low-U menjadi satu-satunya fitur dengan investasi tinggi (Cost=0) yang tetap diadopsi karena urgensi dampak termalnya.
Risk Identification of Private Entities in Public-Private Partnership (PPP) Projects for Water Supply Systems (SPAM) Ansori, Fakhrudin Naufal; Rachmawati, Farida
SENTRI: Jurnal Riset Ilmiah Vol. 5 No. 1 (2026): SENTRI : Jurnal Riset Ilmiah, Januari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v5i1.5734

Abstract

The development of Water Supply System (SPAM) infrastructure through the Public-Private Partnership (PPP) scheme serves as a strategic solution to the state's fiscal limitations. However, its implementation faces challenges of high-risk complexity, particularly regarding the resilience of private partners post-construction. Failure to anticipate risks from the bidding stage often leads to financial distress or service failure during the concession period. This study aims to identify and map the dominant risk profile inherent to private entities during the partner selection phase of SPAM PPP projects. Using a descriptive quantitative method, data were collected through structured questionnaires from 7 expert respondents representing key stakeholders, selected via purposive and snowball sampling techniques. Data analysis was performed by calculating the Severity Index to map risks into a probability and impact matrix. The results reveal a significant risk distribution pattern, where the majority of risks are concentrated in the red zone (high/extreme risk) and orange zone, with none in the safe zone. Specifically, the study identified three highest-risk variables: "debt burden and financial instability" (financial aspect), "lack of capability in design and construction" (technical aspect), and "weakness in water system management capability" (managerial aspect). "Debt burden and financial instability" was identified as the most critical risk in the extreme quadrant, with the highest impact of 83%. Meanwhile, socio-political risks demonstrated significant impact despite having a lower probability. This study concludes that financial stability and technical competence are "killer factors" that must be prioritized in the evaluation criteria for private entity selection. The findings recommend that the Government Contracting Agency (PJPK) tighten the selection process regarding financial and technical aspects to ensure project sustainability.
Root Cause Analysis of Delays in The XYZ Toll Road Design and Construction Project using the RCA Method Sri Rahayu, Yayuk; Rachmawati, Farida
Journal of Management Economic and Financial Vol. 3 No. 6 (2025): Special Issue
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59261/jmef.v3i6.181

Abstract

The XYZ Toll Road Construction Design and Construction Project Plan is a continuation of the Solo – Ngawi Toll Road which is part of the Trans Java Toll Road series and part of a program that was delayed due to the 1997 monetary crisis. Judging from the chronology of the contract journey, this project experienced a non-excusable without compensable delay where the planned handover was on June 6, 2025 to November 30, 2026. The purpose of this study is to identify the main factors that cause delays, find out the root causes of the delays and provide recommendations and solutions that can be applied to minimize delays in the design project. The research method used in this study is a qualitative descriptive method by collecting data through a questionnaire technique. This study will discuss the application of the Root Cause Analysis (RCA) method, namely: pareto diagran, fishbone (Ishikawa diagram) and 5WHYS to identify the root of the problem. The root of the problem causing the delay is that when the contract is signed, the land acquisition is 0% so that the land handover is carried out in stages during the implementation, some locations have geographical conditions that are not possible to pass so that it is necessary to shift the road trajectory and at the time the project is running, the owner/employer is still carrying out the financial closing process. The final results of the research set strategies and managerial implications to accelerate decision-making, reduce overlapping responsibilities, ensure continuity of information from design to construction, strengthen cost, quality, and time control in an integrated manner.