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All Journal SENTRI: Jurnal Riset Ilmiah Jurnal Riset Ilmiah
Dizzy Putrafakhmi
Universitas Mpu Tantular
Aerospace Engineering Humanities Computer Science & IT Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Analisis Sistem Drainase di Wilayah Kota Depok Kerlima Hutagaol; Agnes Intan Permatasari; Betman Dasuha Purba; Dizzy Putrafakhmi; Sri Hartanto
SENTRI: Jurnal Riset Ilmiah Vol. 4 No. 7 (2025): SENTRI : Jurnal Riset Ilmiah, Juli 2025
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v4i7.4197

Abstract

In general, the condition of drainage systems in various cities across Indonesia is facing a wide range of problems. An effective drainage system plays a crucial role in preventing floods and waterlogging, especially in densely populated urban areas such as Depok City. With the rapid pace of urbanization, the drainage infrastructure in Depok is confronted with multiple challenges, both technical and environmental in nature. This article examines the current state of the drainage system in Depok by utilizing reliable data and documenting real-life occurrences observed in the field. Through an in-depth analysis of rainfall data, the physical condition of drainage channels, and several flooding incidents that have occurred in recent years, this paper aims to provide a comprehensive overview of the situation. It also seeks to offer practical and strategic recommendations to improve drainage management in the area, thereby supporting better urban planning, disaster mitigation, and sustainable infrastructure development in the long term.
IMPLEMENTASI PROSEDUR ADMINISTRASI KONTRAK STANDAR (STUDI KASUS PADA PROYEK PRESISI 5 POLRI) Edison Hatoguan Manurung; Kerlima Hutagaol; Dizzy Putrafakhmi
SINERGI : Jurnal Riset Ilmiah Vol. 3 No. 1 (2026): SINERGI : Jurnal Riset Ilmiah, January 2026
Publisher : Lembaga Pendidikan dan Penelitian Manggala Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62335/sinergi.v3i1.2234

Abstract

Contract administration is a crucial aspect of successful construction project implementation, particularly for government projects with high levels of complexity, accountability, and risk. This study aims to analyze the implementation of standard contract administration procedures in the Presisi 5 POLRI Project, identify its level of compliance with applicable regulations, and examine obstacles and improvement efforts. The research method used was a descriptive qualitative method with a case study approach. Data collection techniques included reviewing contract documents, field observations, and interviews with relevant parties. The results indicate that, in general, contract administration procedures have been implemented according to standards, but several obstacles remain in aspects such as documenting work changes, time management, and coordination between parties. This research is expected to provide practical contributions as evaluation material and recommendations for improving the quality of contract administration in government construction projects..
IMPLEMENTASI LEAN CONSTRUCTION UNTUK MENINGKATKAN EFISIENSI PROYEK Edison Hatoguan Manurung; Kerlima Hutagaol; Dizzy Putrafakhmi
SINERGI : Jurnal Riset Ilmiah Vol. 3 No. 1 (2026): SINERGI : Jurnal Riset Ilmiah, January 2026
Publisher : Lembaga Pendidikan dan Penelitian Manggala Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62335/sinergi.v3i1.2235

Abstract

The construction industry in Indonesia still faces various classic problems such as time delays, cost overruns, low labor productivity, and high levels of waste in project implementation. One construction management approach developed to address these issues is Lean Construction. This concept focuses on eliminating waste, increasing value for project owners, and continuously optimizing workflows. This study aims to examine the implementation of Lean Construction in improving construction project efficiency. The research method used was a literature review and conceptual analysis of Lean Construction principles, methods, and tools commonly applied to construction projects. The study results indicate that the application of Lean Construction through waste identification, the Last Planner System, continuous improvement, and collaboration between project parties can improve time efficiency, cost efficiency, and work quality. Therefore, Lean Construction can be used as a strategic approach in construction project management, oriented towards improving overall project performance.
Co-Authors Agnes Intan Permatasari Betman Dasuha Purba Ida Ayu Putu Sri Widnyani Kerlima Hutagaol Manurung, Edison Hatoguan Solly Aryza Sri Hartanto