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All Journal SENTRI: Jurnal Riset Ilmiah
Sri Hartanto
Universitas Mpu Tantular
Aerospace Engineering Humanities Computer Science & IT Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice

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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.
Analisis Metode Pelaksanaan dan Kinerja Struktur Gedung Parkir Bertingkat Menggunakan Sistem Precast dan Minipile: Studi Kasus Plaza 6 Pondok Indah Edison Hatoguan Manurung; 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.v4i7.4199

Abstract

The construction of a multi-story parking building in densely populated areas such as Plaza 6 Pondok Indah is a response to limited land availability and the increasing demand for parking facilities. This project employs modern construction methods, such as minipile foundations and precast structural systems, to accelerate project timelines and maintain on-site efficiency. This study aims to directly examine the implementation process and structural systems used on-site, as well as evaluate their effectiveness in terms of technical performance and construction time. Data were collected through direct observation at the project site, technical documentation, and informal discussions with project personnel. Emphasis was placed on the stages of foundation work, substructure components such as pile caps and tie beams, and the installation of precast components on each floor. Additionally, the installation of steel structures was an essential aspect of this study. Observations revealed that the use of precast floor slabs significantly reduced construction time by minimizing the need for formwork and scaffolding. The steel frame system provided advantages in installation flexibility and faster on-site mobilization. The selection of minipiles as the foundation type was also appropriate for the limited land space and moderate soil bearing capacity. Overall, the construction methods used in this project offered substantial benefits in terms of time and on-site efficiency. This study may serve as an initial reference for similar projects, particularly in utilizing a combination of steel structures, precast elements, and deep foundations.
Co-Authors Agnes Intan Permatasari Betman Dasuha Purba Dizzy Putrafakhmi Kerlima Hutagaol Manurung, Edison Hatoguan