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Owner Representative Decisions and Risk Drivers of Residential Project Delays Johanes Franata Ginting; Budi Susetyo
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13256

Abstract

General Background: Rapid population growth in Indonesia increases housing demand and pressures residential project schedules. Specific Background: Residential projects require coordination among stakeholders, with the owner’s representative responsible for key project approvals. Knowledge Gap: The role of the owner’s representative in project time performance remains insufficiently studied. Aims: This study examines owner representative decision factors related to schedule performance using SEM-PLS, risk matrix, and SWOT analysis. Results: The model shows strong validity and reliability, with Site, Materials, and Labor identified as the main delay risks. Novelty: The study links owner decision-making with schedule deviation risks through an integrated analytical framework. Implications: Proactive decisions, early site validation, and improved material and labor management are essential to maintain schedule stability in residential construction projects. Highlights: Site conditions, material availability, and workforce factors form the dominant moderate-level delay risks. Measurement model demonstrates strong construct validity and reliability through high AVE and composite reliability values. Strategic positioning in the diversification zone supports Strength–Threats mitigation to control schedule deviation. Keywords: Website Development, Pesantren Profile, Digital Transformation, Usability, Waterfall.
Risk Management Analysis on Implementation Time Performance Using the House of Risk (HoR) Model in Toll Road Construction Projects M. Iqbal Vikri Dzulfikar; Budi Susetyo
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13398

Abstract

General Background: Infrastructure development, particularly toll road construction, plays a critical role in regional transformation and economic growth, yet project delays remain a persistent issue. Specific Background: In Indonesia, approximately 38% of toll road projects experience implementation delays, as observed in the Serang–Panimbang Toll Road Section 3 project, which underwent a significant time extension. Knowledge Gap: Limited knowledge and inadequate coordination in project risk management hinder effective identification and mitigation of delay-causing factors during the implementation phase. Aims: This study aims to analyze risk factors affecting time performance and determine priority mitigation strategies using the House of Risk (HoR) model. Results: The analysis identified 18 risk events and 18 risk agents categorized into technical, managerial, environmental, and external variables, with four dominant risk agents including design inconsistency with soil data, foreign loan dependency, unprepared technical-administrative data, and land acquisition issues. Novelty: The integration of HoR Phase 1 and Phase 2 with expert validation and N-Vivo analysis provides a structured prioritization of risk agents and corresponding preventive actions. Implications: The findings support the development of targeted risk management strategies, including design validation, contractual adjustments, early document preparation, and legal verification, to reduce potential delays and improve project time performance. Highlights: Four dominant risk agents were prioritized based on Aggregate Risk Potential values. Delay causes were grouped into technical, managerial, environmental, and external categories. Preventive actions were ranked using effectiveness-to-difficulty evaluation. Keywords: Freeway, Risk Management, Risk Matrix, Risk Management Strategy
Facilitating of Green Healthy and Safety in Building and Environment for Indonesian Migrant Workers in Penang, Malaysia Budi Susetyo; Tin Budi Utami; Khozaeni Bin Rahmad
Jurnal Abdimas Indonesia Vol. 5 No. 4 (2025)
Publisher : Perkumpulan Dosen Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34697/jai.v5i4.2403

Abstract

In the recent world, environment become as critical isues, the integration of environmental sustainability into health and safety practices has become more crucial than ever. This paradigm shifted toward Green HSE (Health and Safety Environment) reflects a growing awareness of the interconnectedness between workplace safety, human well-being, and the health. Traditionally, health and safety initiatives have focused primarily on protecting workers from immediate physical hazards. However, a broader perspective acknowledges that the environment in which work occurs is equally critical to long-term well-being. Green HSE recognizes between a healthy environment and the overall health and safety of employees. Green HSE ensures that organizations not only meet these standards but go beyond, demonstrating a commitment to sustainable practices. Sustainable practices often lead to resource efficiency, reduced energy consumption, and operational cost savings, making Green HSE not just environmentally responsible but also economically prudent. This approach ensures a holistic understanding of workplace threats. Implement Green HSE for Indonesian Migran Workers (Pekerja Migran Indonesia/PMI) represents a holistic approach to workplace well-being by recognizing the symbiotic relationship between human health, safety, and environmental sustainability. Facilitating activity can creates a safer, healthier for PMI, and more resilient workplace.
Strategy to Increase the Operational Cost Efficiency of Water Treatment Plants by Integrating Green Concept and Value Engineering Hendy Gunawan Putra; Budi Susetyo
Eduvest - Journal of Universal Studies Vol. 6 No. 2 (2026): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v6i2.52786

Abstract

The government prioritizes achieving 100% access to drinking water under Vision 2030, with a service coverage target of 94.61% in Tangerang Regency by 2030. Water Treatment Plants (WTPs) are a crucial component of clean water supply systems; however, their operations can pose environmental impacts. This research analyzes the operational cost efficiency of WTPs by integrating green concepts with the Value Engineering (VE) method. The study aims to identify economical and environmentally friendly solutions without compromising water quality and quantity by pinpointing key factors that influence operational cost efficiency. The methodology includes a literature review, hypothesis formulation, and data collection through questionnaires, analyzed using Structural Equation Modeling (SEM) and VE studies. Results indicate that sustainable technology with renewable energy use and innovation implementation are the most influential variables. A case study at PERUMDAM TKR WTP applies VE and Life Cycle Cost Analysis (LCCA) to assess operational cost efficiency under a green concept. The VE results show an 8.97% cost increase amounting to IDR 1,717,378,957, while LCCA findings demonstrate that green concept investments in WTPs are financially feasible, with NPV > 0 (IDR 14,076,121,227.33), an IRR of 16.42%, and a payback period of 8.60 years.
Analysis of The Impact of Resources on Time Performance in an Oncology Hospital Project Mohammad Syafei; Budi Susetyo
Eduvest - Journal of Universal Studies Vol. 6 No. 2 (2026): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v6i2.52878

Abstract

This study analyzes the influence of resource factors on project completion time performance in an oncology hospital construction project, which has high complexity due to specialized facilities such as radiotherapy rooms with radiation shielding requirements. The variables examined include equipment, work methods, materials, human resources, and financial factors. Data analysis employed a quantitative approach using Partial Least Squares–Structural Equation Modeling (PLS-SEM) to examine structural relationships between latent variables. The inner model analysis yielded an R² value of 0.895, indicating that 89.5% of the variation in project time performance can be explained by the five factors. Direct hypothesis testing revealed that equipment is the most dominant variable (path coefficient 0.415; p-value 0.000), followed by work methods (0.258; p-value 0.012), materials (0.231; p-value 0.006), and human resources (0.142; p-value 0.014). Financial factors showed no significant effect (0.037; p-value 0.731). The study concludes that technical and operational factors—particularly equipment, work methods, materials, and human resources—have a greater influence on project delays than financial aspects. Recommended strategies include optimizing equipment management, strengthening efficient work methods, controlling material supply chains, and improving workforce competence and coordination to enhance time efficiency and project completion success.
ANALYSIS OF THE EFFECT OF OCCUPATIONAL SAFETY AND HEALTH MANAGEMENT (K3) AND RISK ASSESSMENT ON THE TIME PERFORMANCE OF TOLL ROAD INFRASRUCTURE PROJECTS WITH JOB SATISFACTION AS AN INTERVENING VARIABLE BASED ON SEM-PLS Arief Satria Maulana; Budi Susetyo; Mawardi Amin
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 3 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.18653861

Abstract

Time performance is one of the key indicators of project success, especially in toll road infrastructure projects with strict deadlines. This study aims to analyze the influence of Occupational Health and Safety (OHS) Management and Risk Assessment on Time Performance through Job Satisfaction as an intervening variable using the Structural Equation Modeling-Partial Least Squares (SEM-PLS) method. Data were collected from workers involved in toll road infrastructure projects and analyzed using a quantitative approach.The results indicate that Risk Assessment and OHS Management have a positive and significant effect on Job Satisfaction, with path coefficient values of 15.312 and 9.116, respectively. Additionally, Job Satisfaction significantly affects Time Performance (path coefficient = 2.625). Further analysis reveals that Risk Assessment and OHS Management also have a significant impact on Time Performance through Job Satisfaction, with path coefficient values of 2.923 and 2.507, respectively. This finding suggests that effective OHS management and risk assessment processes can enhance worker satisfaction, ultimately leading to improved project completion efficiency.This study highlights the importance of integrating safety management and risk assessment into project management strategies to enhance time efficiency in toll road infrastructure projects.
MODEL HUBUNGAN TINGKAT PEMAHAMAN STAKEHOLDER TERHADAP PENERAPAN PRINSIP EFISIENSI ENERGI DALAM DESAIN GEDUNG DATA CENTER NON-SERTIFIKASI Hikmah Nurcika Handayani; Budi Susetyo
Vitruvian : Jurnal Arsitektur, Bangunan dan Lingkungan Vol. 16 No. 1 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/vitruvian.2026.v16i1.002

Abstract

Pusat data merupakan bangunan dengan intensitas energi tinggi, di mana keputusan desain pada tahap awal sangat menentukan kinerja efisiensi energi, terutama pada proyek yang tidak berada dalam kerangka sertifikasi bangunan hijau. Dalam konteks tersebut, penerapan prinsip efisiensi energi sangat dipengaruhi oleh tingkat pemahaman stakeholder yang terlibat dalam proses perancangan. Penelitian ini bertujuan untuk menganalisis pengaruh pemahaman stakeholder terhadap penerapan prinsip efisiensi energi pada desain bangunan data center non-sertifikasi. Penelitian menggunakan pendekatan kuantitatif dengan metode survei terhadap 45 stakeholder profesional yang terlibat dalam perancangan data center. Data dikumpulkan melalui kuesioner terstruktur yang dirancang untuk merepresentasikan tingkat pemahaman dan penerapan prinsip efisiensi energi dalam praktik desain profesional, kemudian dianalisis menggunakan regresi linier berganda. Hasil analisis menunjukkan bahwa pengetahuan dasar dan pemahaman teknis berpengaruh positif dan signifikan terhadap penerapan prinsip efisiensi energi, sedangkan pemahaman regulasi serta pemahaman peran dan tanggung jawab tidak menunjukkan pengaruh signifikan secara parsial. Temuan ini mengindikasikan bahwa, pada proyek data center non-sertifikasi, implementasi efisiensi energi lebih dipengaruhi oleh kompetensi teknis dan pemahaman fundamental desain dibandingkan oleh aspek regulatif atau struktural. Penelitian ini memberikan kontribusi empiris terhadap kajian efisiensi energi bangunan dengan menegaskan pentingnya dimensi kognitif stakeholder dalam proses desain, serta menjadi dasar rekomendasi penguatan kapasitas profesional dalam perancangan data center berkelanjutan di Indonesia.