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This Author published in this journals
All Journal Jurnal Ilmu Ekonomi, Pendidikan dan Teknik (IDENTIK) Innovative Research in Civil and Environmental Engineering (IRCEE) Journal of Advanced Engineering and Technology Research (JODETOS)
Anggerius Loi
Universitas Nias
Religion Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering

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Performance Assessment Of High-Rise Building Foundations Subjected To Variable Soil And Load Conditions In Coastal Environments Dermawan Zebua; Jun Fajar Krisman Giawa; Anggerius Loi; Cristopher Zebua
Journal of Advanced Engineering and Technology Research Vol. 1 No. 1 (2025): JODETOS - November
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jodetos.v1i1.892

Abstract

High-rise buildings in coastal environments are exposed to complex geotechnical and environmental conditions that significantly affect foundation performance. This study evaluates the behavior of high-rise building foundations under variable soil and load conditions using field investigation, laboratory testing, and numerical modeling. Soil stratigraphy, groundwater fluctuations, and load variability were analyzed to assess settlement, differential tilting, and stress distribution. Results indicate that pile foundations outperform mat and combined mat-pile foundations in controlling differential settlement and maintaining structural serviceability. Groundwater level changes and load variations notably influence foundation performance, emphasizing the need for site-specific, performance-based design. The integrated methodology provides insights for resilient foundation design strategies in challenging coastal environments.
Analisis Kepuasan Masyarakat Terhadap Sistem Drainase Anggerius Loi; Tafianus Hia; Andrew Christover Harefa; Serta Denius Daeli
Jurnal Ilmu Ekonomi, Pendidikan dan Teknik Vol. 3 No. 2 (2026): IDENTIK - Maret
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/identik.v3i2.1362

Abstract

This study aims to analyze the level of community satisfaction with the drainage system in Gunungsitoli and to identify the factors influencing it. The research employs a quantitative approach with a descriptive method by distributing questionnaires to residents living in areas affected by the drainage system. Satisfaction measurement is conducted using a Likert scale based on five service quality dimensions: tangible, reliability, responsiveness, assurance, and empathy. The collected data are analyzed using descriptive statistics and the Community Satisfaction Index (CSI). The results indicate that the level of community satisfaction with the drainage system in Gunungsitoli falls into the moderately satisfied category. The assurance and tangible dimensions obtain relatively higher scores, while the reliability dimension is the lowest. The main problems identified include insufficient drainage capacity, poorly maintained drainage conditions, and blockages caused by waste. In addition, community participation is found to significantly influence the performance of the drainage system. The study concludes that improving community satisfaction with the drainage system requires an integrated approach combining technical improvements and increased public awareness. The local government needs to conduct routine maintenance, enhance drainage capacity, and promote community education on environmental cleanliness. This research is expected to serve as a reference for policy-making in more effective and sustainable urban drainage management.
The Effect Of Occupational Health And Safety (Ohs) Implementation On Construction Workers' Productivity In Nias Regency Hamedoni Harita; Jun Fajar Krisman Giawa; Anggerius Loi; Piter Telaumbanua
Innovative Research in Civil and Environmental Engineering Vol. 3 No. 1 (2026): IRCEE - April
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/ircee.v3i1.1970

Abstract

The construction industry is one of the sectors with the highest occupational accident risks, making the implementation of Occupational Health and Safety (OHS) essential for ensuring worker well-being and improving project performance. This study aimed to analyze the effect of OHS implementation on the productivity of construction workers in Nias Regency, Indonesia. A quantitative research approach with a survey design was employed. Data were collected from 120 construction workers selected through purposive sampling from various construction projects in the region. The research instrument consisted of a structured questionnaire measuring OHS implementation, including safety training, personal protective equipment (PPE) utilization, safety supervision, hazard identification, and management commitment, as well as workers' productivity indicators. The collected data were analyzed using descriptive statistics, validity and reliability tests, classical assumption tests, and simple linear regression analysis with the assistance of IBM SPSS Statistics. The results indicated that OHS implementation in the surveyed projects was generally categorized as good, while workers' productivity was also found to be at a favorable level. Regression analysis revealed that OHS implementation had a significant positive effect on construction workers' productivity (β = 0.673, p < 0.001). Furthermore, the coefficient of determination showed that OHS implementation explained 45.3% of the variation in workers' productivity. These findings demonstrate that effective OHS practices contribute substantially to improving work efficiency, reducing accident-related disruptions, and enhancing overall project performance. Therefore, construction companies should strengthen safety management systems, improve training programs, and ensure consistent compliance with safety regulations to achieve sustainable productivity improvements.       
Co-Authors Andrew Christover Harefa Cristopher Zebua Dermawan Zebua Harita, Hamedoni Jun Fajar Krisman Giawa Piter Telaumbanua Serta Denius Daeli Tafianus Hia