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Evaluating Sustainability – Related KPIS in Public Construction Supply Chain : An Green SCOR – AHP- Based Analysis Hadiwantoro, Nazar; Nugroho, Rosalendro Eddy
International Journal of Social and Management Studies Vol. 6 No. 4 (2025): International Journal of Social and Management Studies (IJOSMAS)
Publisher : IJOSMAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5555/ijosmas.v6i4.515

Abstract

Public construction projects are increasingly required to integrate sustainability into supply chain performance, particularly in alignment with Sustainable Development Goal 12 on Responsible Consumption and Production. However, existing research often evaluates overall supply chain performance without prioritizing specific sustainability-related Key Performance Indicators (KPIs). This study addresses that gap by applying the Analytic Hierarchy Process (AHP) to assess the relative importance of sustainability indicators within a public construction project in Indonesia. Four KPIs were selected from the Green SCOR framework—supplier sustainability compliance, percentage of recycled materials used, waste reduction in construction, and energy consumption per unit of construction—based on their prominence in literature and validation through a focus group discussion with experts. Data were collected from 66 stakeholders, including owners, contractors, consultants, and suppliers. The AHP results indicate that supplier sustainability compliance (0.401) is the most critical KPI, followed by recycled materials usage (0.268) and waste reduction (0.253), while energy consumption (0.077) ranked lowest. These findings reflect stakeholder emphasis on governance and circularity rather than technical efficiency, diverging from studies in developed countries where energy consumption is often prioritized. This study contributes by refining Green SCOR applications in public construction, demonstrating the use of AHP for KPI prioritization, and providing practical recommendations for policymakers and project managers to embed sustainability into procurement and monitoring systems.
The Role of Job Satisfaction in Mediating the Influence of Organizational Practices on Employee Performance: A Study of the PIR-Based Sandwich Panel Industry Sopyandi, Depi; Eddy Nugroho, Rosalendro; Shilul Imaroh, Thukas
International Journal of Indonesian Business Review Vol. 4 No. 2 (2025)
Publisher : Asosiasi Dosen Peneliti Ilmu Ekonomi dan Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54099/ijibr.v4i2.1504

Abstract

Purpose – This study aims to investigate how organizational practices including quality management systems, occupational health and safety (OHS), workplace facilities, and green work environments directly and indirectly affect employee performance, with job satisfaction serving as a mediating variable. The research responds to the increasing demand for sustainable and employee-centered operations in the sandwich panel manufacturing industry. Methodology/approach – This research adopts a quantitative explanatory design and applies Partial Least Squares Structural Equation Modeling (PLS-SEM) to analyze data collected from 150 permanent employees of a sandwich panel manufacturing company in Indonesia. The analysis includes both primary survey responses and secondary records of customer complaints and workplace accidents over a five-year period. Findings – The results reveal that quality management and OHS systems have significant direct effects on employee performance, while workplace facilities and green environments demonstrate a more modest influence. Job satisfaction significantly mediates the relationship between all organizational practices and employee performance, highlighting its central role in performance optimization. Novelty/value – This study contributes to the literature by integrating quality, safety, and sustainability-oriented workplace factors into a unified performance model, emphasizing the mediating function of job satisfaction. The findings align with and support several Sustainable Development Goals (SDGs), particularly SDG 8 (Decent Work), SDG 9 (Industry Innovation), and SDG 12 (Responsible Consumption and Production).
Operational Efficiency Improvement through Integrated Inventory Management and Control: Case Study of PT XYZ Kusuma, Arfi Bayu; Nugroho, Rosalendro Eddy
International Journal of Social and Management Studies Vol. 6 No. 5 (2025): International Journal of Social and Management Studies (IJOSMAS)
Publisher : IJOSMAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5555/ijosmas.v6i5.525

Abstract

This study examines how integrated inventory control improves operational efficiency at PT XYZ, a wholesaler of imported frozen beef. We apply ABC classification, three time-series forecasting techniques (Moving Average, Exponential Smoothing, Least Squares), and the Economic Order Quantity (EOQ) model. At the SKU level, Exponential Smoothing consistently yields the lowest forecasting error across 2023–2024 and most closely tracks actual demand patterns. EOQ analysis indicates substantial cost efficiency relative to actual practices for the majority of SKUs; for instance, TRRL00068 achieves 43–45% annual savings over 2022–2024 and TRSFF00066 achieves 43–46% savings in the same period. These findings demonstrate that disciplined inventory control—anchored in accurate forecasting and EOQ-based ordering—reduces total inventory costs and supports more reliable service levels. The implications align with sustainable operations by lowering waste from overstock and mitigating stockout risks.
The Influence of Project Leader and SDGs Implementation on Project Success with Management Transformation as a Mediating Variable Marbun, Pahala Budiman; Nugroho, Rosalendro Eddy
International Journal of Social and Management Studies Vol. 6 No. 5 (2025): International Journal of Social and Management Studies (IJOSMAS)
Publisher : IJOSMAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5555/ijosmas.v6i5.534

Abstract

Abstract - This study examines the effects of Project Leader and SDGs implementation on housing project success, with Management Transformation as mediator. A cross-sectional survey was administered; 150 valid responses were analyzed. Data were collected using structured questionnaires and processed with PLS-SEM two-stage model. Results show all paths significant at α < 0.05. Project Leader directly affects project success and indirectly through Management Transformation. SDGs implementation influences Management Transformation and also increases project success. Management Transformation positively affects project success. Mediation tests confirm Management Transformation mediates the effects of Project Leader and SDGs implementation. These findings highlight the roles of leadership, sustainability, and management transformation in improving housing project performance.
Quality Control Analysis to Reduce Rejects in Plastic Seal Manufacturing Siddik, Khairul; Nugroho, Rosalendro Eddy
International Journal of Indonesian Business Review Vol. 4 No. 2 (2025)
Publisher : Asosiasi Dosen Peneliti Ilmu Ekonomi dan Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54099/ijibr.v4i2.1513

Abstract

Purpose – This study aims to identify the root causes of product rejects and evaluate the effectiveness of quality control improvements at PT Karya Gemilang Indonusa, a plastic seal manufacturing company. Methodology – The methodology used includes Statistical Process Control (SPC), especially p-chart to monitor defect proportion, and Fishbone Diagram for root cause analysis. Data were collected from production reports between January and December 2024 and after improvements in January–April 2025. Findings – The study revealed that flashing and short mold are the dominant defects, accounting for more than 55% of total rejects. After corrective actions such as operator training, machine maintenance, and parameter adjustments, the reject rate reduced from 12.91% to 4.48%, and the process capability index (Cpk) improved from 0.333 to 0.667. Novelty – The integration of SPC and Fishbone Diagram in a real-world manufacturing setting effectively reduced rejects and increased process stability, supporting sustainable production.
ANALISIS PERHITUNGAN HARGA POKOK PRODUKSI DENGAN METODE FULL COSTING PADA PEMBUATAN SABUN HERBAL DI RPTA KALIDERES JAKARTA BARAT Nugroho, Rosalendro Eddy
Jurnal Abdi Masyarakat (JAM) Vol 2, No 2 (2017): JAM (Jurnal Abdi Masyarakat) - Maret
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (218.182 KB) | DOI: 10.22441/jam.2017.v2.i2.008

Abstract

Penentuan biaya produksi yang tepat dan hak atas suatu produk akan mengurangi ketidakpastian harga jual dan mendapatkan keuntungan maksimal. Tujuan dari penelitian ini adalah untuk menganalisis perbedaan biaya produksidengan metode yang dilakukan SABUN HERBAL dengan metode full costing. Kemudian, manfaat penelitian ini dapat memberikan masukan dalam menghitung biaya produksi yang akurat agar dapat menetapkan harga jual yang tepat dan mendapatkan keuntungan maksimal. Penelitian ini dilakukan di SABUN HERBAL. Jenis data yang digunakan dalam penelitian ini adalah data sekunder.Data sekunder dilakukan dengan memeriksa total biaya yang dikeluarkan pada SABUN HERBAL pada bulan Januari 2017, data diperoleh melalui survei dan wawancara ke lokasi untuk mendapatkan data yang diperlukan. Hasil penelitian ini menunjukkan bahwa biaya produksi dengan metode full costing lebih tinggi daripada biaya perhitungan produksi yang dibawa SABUN HERBAL dan metode full costing keuntungan yang dihasilkan lebih rendah dari laba yang dihasilkan oleh SABUN HERBAL. Hal ini karena SABUN HERBAL tidak memasukkan biayapenyusutan dan biaya pemeliharaan peralatan untuk biaya produksi dan non produksi seperti biaya penyusutan kendaraan dan biaya perawatan kendaraan dan biaya bahan bakar dalam perhitungan biaya produksi dan bangunan.Biaya penyusutan
EVALUATION OF OCCUPATIONAL HEALTH AND SAFETY MANAGEMENT SYSTEM (OHSMS) IMPLEMENTATION AT PT XYZ Pramono , DwiyosoPramono; Purwanto , Agustinus Hariadi Djoko; Nugroho , Rosalendro Eddy
International Journal of Social and Management Studies Vol. 4 No. 1 (2023): International Journal of Social and Management Studies (IJOSMAS)
Publisher : IJOSMAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5555/ijosmas.v4i1.265

Abstract

— PT XYZ is an oil and gas infrastructure management and supply service company that has a very high level of work-related accident risk in every work activity. The company has a history of high cases of LTI / lost time injury (death/disabled) and non-LTI (first aid/near miss/property damage) work-related accidents in 2016 – 2020 so that the company's OHS target of Zero Accident (LTI=0) is not achieved. This study aims to 1) determine the factors causing the high rate of work-related accidents; 2) figure out how to improve OHS performance; 3) figure out the OHS program recommendations. This research is qualitative research with an exploratory approach based on a case study of OHS aspects in the company. The population of this study was 2,960 people and 118 people were taken as a sample. This study uses the Fishbone Diagram, 5Whys, and 5W+1H analysis methods to find out the root causes of the high rate of work-related accidents. The results of this study indicate that the cause of work-related accidents with the highest percentage is the Manpower aspect (47.4%), followed by the Method aspect (22.7%), Material (13.7%), Machine (6.5%), Environment (5.8%), and Measure (3.9%). This research shows the implications for the Company that by taking corrective actions and following up on research recommendations, the number of work-related accidents can decrease significantly in the period 2020 – 2021. According to the data, after the corrective action is implemented, the number of work-related accidents decreased to LTI (1 case) and non-LTI (16 cases); the number of OHS non-conformance audit results is 55 findings; the number of OHS non-conformance in the previous period that had not been followed up is 6 findings; OHSMS Application Score reached 96.38%. It is because there are managerial implications that have a real impact on company management which previously had a Profit Oriented mindset that has changed into Safety Oriented in every implementation of the company's business activities
Optimizing Preventive Maintenance for DC Battery Back-Up Systems in Gas Turbine Compressors Gunadi, Gunadi; Nugroho, Rosalendro Eddy
Journal of Sustainable Economic and Business Vol. 3 No. 1 (2026): Journal of Sustainable Economic and Business (JOSEB)
Publisher : ARE Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70550/joseb.v3i1.347

Abstract

Objectives: In general, the objective of this Capstone Project is to formulate an optimal preventive maintenance strategy for the DC Battery Backup Control System to support the operational sustainability of Gas Turbine Compressors in the oil and gas sector. Findings: Unit shutdown on July 21, 2024, triggered by a main power supply failure (220 VAC). The battery VRLA (Valve Regulated Lead Acid) type, with a constant load of 10A, the battery should be able to support the load without a 220 Vac power supply for 8 to 10 hours. However, in practice, it can only sustain the load for less than 5 minutes.   Methodology: This study employs a mixed-methods approach, integrating both qualitative and quantitative data. Qualitative data were collected through interviews involving managers, supervisors, and technicians, as well as direct field observations. Quantitative data were obtained from daily operational reports and historical analyzer records. The problem analysis strategy was conducted using a Fishbone Diagram and the 5-Why analysis tool to systematically identify root causes. Conclusion: Based on field observations and technical analysis, battery capacity degradation from its original specification was identified, resulting in the failure of the DC backup battery to sustain the load during the loss of the 220 VAC main power supply. The Fishbone Analysis and 5-Why approach further revealed that human factors played a significant role in contributing to the failure. Based on these findings, corrective actions were implemented, including battery replacement and improvement of the maintenance strategy. Final testing demonstrated a significant improvement in system reliability, with the batteries capable of supporting the control load stably in accordance with operational requirements.