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Risk Breakdown Structure Framework for Fast-Track Method Implementation in Traditional Market Revitalization Projects: Kerangka Struktur Perincian Risiko untuk Penerapan Metode Jalur Cepat pada Proyek Revitalisasi Pasar Tradisional Rosita Mutiara Johara; Yunita Dian Suwandari
Indonesian Journal of Innovation Studies Vol. 27 No. 4 (2026): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i4.2311

Abstract

Fast-track project scheduling provides a mechanism to reduce construction durations by overlapping activities, yet it introduces significant uncertainties. General Background Fast-track project scheduling provides a mechanism to reduce construction durations by overlapping activities, yet it introduces significant uncertainties. Specific Background Public construction initiatives such as the Bogor traditional market revitalization project face severe time compression demands, reducing execution periods by half. Knowledge Gap Comprehensive risk evaluations connecting schedule, cost, and quality categories via structured mapping remain limited for accelerated public infrastructure initiatives. Aims This study investigates and evaluates implementation hazards, dominant risk variables, hierarchical classifications, and corresponding mitigation strategies within an accelerated market project. Results Findings revealed 15 relevant variables where material delivery delay, owner payment delays, and design modification schedule shifts emerged as top critical threats. Novelty The application of a Risk Breakdown Structure combined with congruency patterns systematically maps interdependencies among schedule, cost, and quality risks under compressed timelines. Implications Successful schedule compression requires integrated risk management protocols alongside duration reduction to safeguard overall project performance. Highlights The Risk Breakdown Structure mapped dominant vulnerabilities into schedule, cost, quality, and external risk categories. Material delivery delays and owner payment issues represented the most critical threats during schedule compression. Integrated risk mitigation frameworks are essential to prevent cascading failures across time, budget, and technical specifications. Keywords Fast-Track Project Delivery; Risk Management; Risk Breakdown Structure; Construction Risk; Market Revitalization
ANALISIS KELAYAKAN FINANSIAL PERLUASAN AREA PARKIR STASIUN KERETA CEPAT HALIM MENGGUNAKAN COST-BENEFIT ANALYSIS Novika Candra Fertilia; Yunita Dian Suwandari; Rizky Farezi Mony
Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Vol 14 No 2 (2026): Jurnal Ilmiah MITSU (In Press)
Publisher : Fakultas Teknik, Universitas Wiraraja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/ft.v14i2.4356

Abstract

Kebutuhan akan fasilitas parkir yang memadai semakin meningkat seiring dengan bertambahnya jumlah penumpang Kereta Cepat Jakarta–Bandung di Stasiun Halim. Kondisi ini mendorong perlunya perluasan kapasitas parkir dari rencana awal 173 kendaraan menjadi 257 kendaraan. Penelitian ini bertujuan untuk menganalisis kelayakan ekonomi proyek perluasan area parkir tersebut menggunakan metode Cost Benefit Analysis (CBA). Penelitian menggunakan pendekatan kuantitatif deskriptif-analitis dengan data sekunder proyek. Analisis dilakukan melalui perhitungan Net Present Value (NPV), Internal Rate of Return (IRR), dan Benefit Cost Ratio (BCR), dengan periode proyeksi selama 10 tahun (2025–2034) dan tingkat diskonto sebesar 8%. Hasil analisis menunjukkan nilai NPV sebesar Rp173.202.604,84, IRR sebesar 38%, dan BCR sebesar 11,6. Nilai NPV yang positif, IRR yang lebih tinggi daripada tingkat diskonto, serta BCR yang lebih besar dari 1 menunjukkan bahwa proyek memenuhi kriteria kelayakan ekonomi berdasarkan asumsi dan proyeksi yang digunakan. Dengan demikian, proyek perluasan area parkir Stasiun Halim dinilai layak secara ekonomi untuk dilanjutkan. Hasil penelitian ini dapat menjadi bahan pertimbangan dalam pengambilan keputusan investasi infrastruktur parkir, dengan tetap memperhatikan ketidakpastian proyeksi pendapatan dan biaya operasional pada masa mendatang.
Communication Barriers, Project Communication Quality, and Multi-Project Management Effectiveness in Single-Consultant Parallel Construction Supervision: A SEM-PLS and IPMA Approach D A, Caroline Thiovila; Suwandari, Yunita Dian; Amin, Mawardi
Journal of Business, Social and Technology Vol. 7 No. 5 (2026): Journal of Business, Social and Technology
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59261/bustechno.v7i5.840

Abstract

Background: Managing multiple construction projects under a single construction management consultant requires effective communication and coordination among stakeholders. Communication barriers may reduce project communication quality and multi-project management effectiveness. Objective: This study aims to identify relevant communication barriers, examine their effects on project communication quality and multi-project management effectiveness, investigate the mediating role of project communication quality, and determine priorities for communication improvement. Methods: A quantitative approach supported by expert validation was employed. Data were collected from 80 purposively selected respondents across 32 construction projects. Eight communication barrier factors were identified through a literature review and initial expert validation. Data were analyzed using partial least squares structural equation modeling (PLS-SEM) and importance-performance map analysis (IPMA), followed by final expert validation. Results: Five of the 25 hypotheses were supported. Information Delay (X1) and Communication Media Mismatch (X3) negatively affected Project Communication Quality (β = −0.123, p = 0.045; β = −0.583, p = 0.021). Information Ambiguity/Inaccuracy (X2) negatively affected Multi-Project Management Effectiveness (β = −0.249, p = 0.033). Project Communication Quality positively affected Multi-Project Management Effectiveness (β = 0.807, p = 0.002) and mediated the effect of Information Delay (β = −0.088, p = 0.016). Conclusion: Project Communication Quality is central to Multi-Project Management Effectiveness. Improvement priorities include strengthening communication quality, reducing information delays and ambiguity, and ensuring the appropriate selection and use of communication media.