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All Journal Journal of Advanced Civil and Environmental Engineering Jurnal Penelitian Pendidikan IPA (JPPIPA) Astonjadro Jurnal Teslink : Teknik Sipil dan Lingkungan Jurnal Sosial dan Teknologi Enrichment: Journal of Multidisciplinary Research and Development Sistem Infrastruktur Teknik Sipil (SIMTEKS)
Kusmana, Dody
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Transportation

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Penggunaan ultrasonic pulse velocity untuk kajian engineering struktur bangunan gedung Pasar Kosambi Bandung Indonesia Dody Kusmana, Dody Kusmana
Jurnal TESLINK : Teknik Sipil dan Lingkungan Vol 3 No 1 (2021): Maret 2021
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/teslink.v2i1.74

Abstract

Penelitian ini bertujuan untuk melakukan pengujian kepadatan beton Bangunan Pasar Kosambi yang terletak di Bandung, Indonesia setelah mengalami kebakaran hampir 40 jam di lantai semi basement pada tanggal 18 mei 2019. Metode uji yang digunakan adalah Ultrasonic Pulse Velocity (UPV) untuk menguji struktur beton bangunan Gedung. Kajian ini dilakukan berdasarkan standar dan persyaratan yang berlaku di Indonesia. Pengujian UPV untuk mengetahui kepadatan beton diambil pada bangunan Pasar Kosambi Bandung dengan total lokasi uji sebanyak 25 Titik. Pengujian kepadatan beton dilakukan pada Kolom, Balok dan Pelat Lantai dengan metoda Direct dan Semi-Direct. Hasil pengujian integritas kepadatan beton (Ultrasonic Pulse Velocity) menunjukan tingkat kepadatan beton yang masuk kedalam kategori buruk dengan nilai rambatan 2.4 km/sec ( 20,4 Mpa atau 240,9 kg/cm2) hingga kategori sangat baik dengan nilai rambatan 4.6 km/sec ( 45,2 Mpa atau 533,7 kg/cm2). Penelitian ini diharapkan dapat memberikan rekomendasi tingkat kelayakan operasi Bangunan Pasar Kosambi Bandung, Indonesia.
Mitigation of landslides due to land use in population settlements Kusmana, Dody; Paikun; Rohadi, Edi
Jurnal TESLINK : Teknik Sipil dan Lingkungan Vol 3 No 2 (2021): September 2021
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/teslink.v3i2.86

Abstract

The implementation of housing development carried out by the developer is suspected of not meeting the administrative, technical and environmental requirements. By not carrying out the provisions to carry out efforts to stabilize slopes and apply appropriate drainage systems, to minimize loading on the slopes and allegedly not conducting geological studies of environmental planning or basic engineering geology as the basis for the implementation of development so that the impact on the environment in the form of the Cimanggung landslide occurs.Landslide is one of the natural disasters that often hit hilly areas in the wet tropics. Mass movement, generally caused by gravitational forces and sometimes vibrations or earthquakes also support the occurrence. Mass movement in the form of landslides occurs due to the shear debris along the landslide area which is the limit of the movement of the soil or rock mass. Soil motion is the process of moving a mass of rock/soil due to the force of gravity. Soil motion is often referred to as a landslide of the soil/rock mass and is generally defined as a movement of soil and/or rock from its place of origin due to the influence of gravity.
EVALUASI KINERJA WAKTU DAN BIAYA PADA PROYEK WU TOWER BANDUNG Utomo, Bagus Krido; Kusmana, Dody
Sistem Infrastruktur Teknik Sipil (SIMTEKS) Vol 4 No 2 (2024): SIMTEKS - September
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Sangga Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32897/simteks.v4i2.3947

Abstract

The research evaluates the time and cost performance of the Wu Tower Project in Bandung using the Earned Value (EV) method. The scope of the research includes a comprehensive literature study on the concept of Earned Value (EV) and its application in the evaluation of time and cost performance of construction projects. In addition, the research also includes the measurement of the actual time and cost performance of the Wu Tower Project using the EV method, analysis of influencing factors, especially those related to design complexity, scope changes, and labor, as well as comparison of actual time and cost performance with predetermined standards. The performance of the project implementation time in the 1st month (one) to the 8th month (eight) is progressing well as indicated by the SV (Schedule Variant) variant value is positive or the SPI performance index ≥ 1, this indicates that the work is progressing both in schedule and budget. For the 9th (ninth) to 11th (eleventh) month, the SV (Schedule Variant) value is negative, which means that the work is delayed, but the project completion expenditure budget is still quite efficient because the SPI value is ≥ 1. Based on the Performance Index value, the overall SPI value gets an average value of 1.73, which means that the project is progressing towards time performance, while the CPI value generally gets an average SPI value ≥ 1, which means that the costs incurred are more economical, so that the project is more efficient.
EVALUASI EFISIENSI BIAYA DAN WAKTU ANTARA METODE KONVENSIONAL DAN PRACETAK DALAM PEKERJAAN DRAINASE U-DITCH DI RUAS JALAN NASIONAL JAMBI Iskandar, Bugie Rastapi; Kusmana, Dody
Sistem Infrastruktur Teknik Sipil (SIMTEKS) Vol 4 No 2 (2024): SIMTEKS - September
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Sangga Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32897/simteks.v4i2.3949

Abstract

Cost and time efficiency are two crucial aspects that influence the success of a construction project. Conventional methods are usually used because they are considered more flexible and easily adapted to field conditions. However, the precast method is increasingly in demand because it is claimed to be more efficient and faster in implementation. This research uses a case study approach by collecting primary and secondary data from planned work. Cost data is obtained from the detailed cost budget (RAB), while time data is taken from the project implementation schedule (time schedule). The analysis was carried out by comparing the total costs and time duration between conventional and precast methods using the 2018 Bina Marga Specifications. The research results show that the precast method has advantages in time efficiency, with an average construction time that is shorter than conventional methods. However, in terms of costs, precast methods tend to be more expensive in the initial stages due to the high production costs of precast elements.
LABOR PRODUCTIVITY RATING MODEL FOR LIGHT BRICK WALL INSTALLATION IN RESIDENTIAL PROJECTS Paikun, Paikun; Fatimah, Cici; Nugroho, Nadhya Susilo; Kusmana, Dody
ASTONJADRO Vol. 10 No. 2 (2021): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v10i2.4998

Abstract

Management on a construction project is something that cannot be ignored, because without construction management a project will be difficult to run according to expectations in the form of cost, time, quality and the success or failure of a construction project depends on the effectiveness of resource management. One way that can be done to achieve project objectives is to increase work productivity. This study aims to determine the productivity of labor in the installation of lightweight brick walls based on facts in housing projects. Labor productivity by analyzing the LUR value and productivity rating then becomes the regression analysis data to produce the model. The data search was carried out by direct observation to the field and conducting unstructured interviews with workers in the field. The resource persons are workers as artisans and workers who are experts in the work of installing light brick walls. This productivity measurement uses the productivity rating method, where worker activities are classified into 3 things, namely Essential contributory work, Effective work, and not useful. The results of the analysis show that the productivity of light brick wall installation workers based on the fact has higher productivity than the SNI labor coefficient. To calculate the labor productivity of installing lightweight brick walls, then the model from the results of this study can be used. The results of the evaluation of the model to predict labor productivity for installing lightweight brick walls have an average accuracy of 99.34%, so the model can be declared accurate.
Evaluation of Implementation Green Construction of Garut City Plaza Mall Project Sukmalaras, Ratu Mafas; Soekiman, Anton; Sugiri, Tia; Kusmana, Dody; Pratiwi, Andini Radisya
JACEE (Journal of Advanced Civil and Environmental Engineering) Vol 7, No 1 (2024): April
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jacee.7.1.109-120

Abstract

Construction projects in Indonesia are rising, but many adversely affect the environment. Green Construction presents a solution to mitigate these impacts, aiming to harmonize environmental sustainability with present and future human needs. Evaluating the implementation of Green Construction in projects is crucial. This study employed the 2015 Green Construction Assessment Model by W.I. Ervianto to assess Green Construction achievements and conducted interviews to identify implementation obstacles in the City Plaza Garut Mall Building Development project. The research revealed that the Green Construction achievement score in the Garut City Plaza Mall Building project was 16.15 out of 21.92, equivalent to 74% of its potential. Although this is the highest Green Construction score achieved in Indonesia, opportunities for improvement persist. Several aspects require optimization. This study underscores the necessity of enhancing Green Construction implementation in construction projects to attain a sustainable balance between environmental conservation and human necessities.
The Effect of Occupational Health and Safety Management System (OHSMS) on Work Accidents and Productivity in The Bawela Stadium Project, Sorong City Sampe, Arpianto Ngion; Pratiwi, A.Andini Radisya; Siregar, Chandra Afriade; Kusdian, R Didin; Kusmana, Dody
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 8 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i8.546

Abstract

The high rate of work accidents in construction projects in Indonesia shows that the implementation of occupational safety is not optimal, even though it has been required by regulations. The Occupational Safety and Health Management System (SMK3) is an important instrument for creating a safe work environment, increasing productivity, and reducing the risk of accidents. This study aims to find out the overview of the implementation of SMK3, the rate of work accidents, and labor productivity in the Bawela Stadium Construction Project in Sorong City, as well as to analyze the influence between these variables directly and indirectly. The research method uses a quantitative approach with a verifiable method. The sample in this study was 100 construction workers who were selected through a simple random sampling technique. Data were collected using a Likert scale questionnaire and analyzed using the Structural Equation Modeling–Partial Least Square (SEM-PLS) method. The results showed that the implementation of SMK3 in general was in the "adequate" category (score 3.40), the rate of work accidents was in the "adequate" category (score 2.46), and labor productivity was also in the "adequate" category (score 3.39). The implementation of SMK3 has a significant negative effect on the rate of work accidents and has a significant positive effect on labor productivity. In addition, the rate of work accidents has been shown to have a negative influence on labor productivity. Indirectly, SMK3 affects productivity through reducing the rate of work accidents. These findings affirm the importance of strengthening the occupational safety system through leadership, planning, and a culture of OSH to support the success of construction projects.
Strategi Manajemen Konstruksi Sebagai Rekomendasi Mitigasi Banjir Struktural dan Non-Struktural untuk Das di Kota Bima Alamsyah, Alamsyah; Soekiman, A Anton; Pratiwi, A Andini Radisya; Siregar, Chandra Afriade; Kusmana, Dody
Jurnal Sosial Teknologi Vol. 6 No. 4 (2026): Jurnal Sosial dan Teknologi
Publisher : CV. Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jurnalsostech.v6i4.32765

Abstract

Banjir di Kota Bima yang dipicu oleh degradasi Daerah Aliran Sungai (DAS) dan lemahnya tata kelola mitigasi mendorong perlunya strategi terpadu yang mengintegrasikan pendekatan struktural dan non-struktural. Penelitian ini bertujuan untuk merumuskan strategi manajemen konstruksi yang efektif guna memitigasi banjir di DAS Kota Bima, dengan mengidentifikasi faktor penghambat koordinasi stakeholder serta mengembangkan model evaluasi keberlanjutan. Metode penelitian menggunakan pendekatan mixed-method explanatory sequential, yang mengkombinasikan analisis kuantitatif melalui survei terhadap 65 responden dari pemerintah, kontraktor, masyarakat, dan akademisi, dengan analisis kualitatif melalui wawancara mendalam dan FGD. Data dianalisis secara statistik dengan regresi linier berganda dan secara tematik untuk data kualitatif. Hasil penelitian membuktikan bahwa strategi manajemen konstruksi, penerapan teknologi BIM/GIS, integrasi mitigasi struktural-non-struktural, dan manajemen risiko berpengaruh signifikan dan positif terhadap efektivitas mitigasi banjir (R² = 0,967–0,996). Namun, faktor ego sektoral dan disparitas informasi menjadi penghambat utama koordinasi. Simpulan penelitian menegaskan bahwa keefektifan mitigasi banjir memerlukan integrasi holistik antara aspek teknis, teknologi, dan sosial-kelembagaan melalui kerangka manajemen konstruksi yang adaptif dan kolaboratif. Implikasinya, pemerintah perlu menerapkan kebijakan yang mewajibkan penggunaan BIM, membentuk forum kolaborasi multi-stakeholder, dan merevisi peraturan tata ruang berbasis risiko perubahan iklim.
Evaluasi Engineering Estimate Sebagai Alat Pengendali Resiko Keuangan Dalam Proyek Pembangunan Gedung Pengadilan Agama Kota Cimahi Mutaqin, Abdul; Afriade Siregar, Chandra; Pratiwi, A Andini Radisya; Kusdian, Didin; Kusmana, Dody
Jurnal Sosial Teknologi Vol. 6 No. 4 (2026): Jurnal Sosial dan Teknologi
Publisher : CV. Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jurnalsostech.v6i4.32784

Abstract

Penelitian ini dilatarbelakangi oleh tingginya risiko keuangan dalam proyek konstruksi pemerintah Indonesia akibat ketidakakuratan Engineer’s Estimate (EE), yang sering menyebabkan cost overrun, keterlambatan, dan inefisiensi anggaran. Studi ini bertujuan untuk mengevaluasi akurasi EE, mengidentifikasi faktor penyebab ketidaktepatannya, dan merumuskan strategi optimasinya sebagai alat pengendali risiko keuangan. Metode penelitian menggunakan pendekatan mixed methods (kuantitatif dan kualitatif) dengan studi kasus pada Proyek Pembangunan Gedung Pengadilan Agama Kota Cimahi. Data dikumpulkan melalui analisis dokumen (EE, RAB, dan biaya aktual) serta kuesioner terhadap 30 responden dari kalangan kontraktor, konsultan, dan owner. Analisis data kuantitatif menggunakan Mean Absolute Percentage Error (MAPE) dan uji statistik inferensial, sedangkan data kualitatif dianalisis secara deskriptif. Hasil penelitian menunjukkan bahwa EE memiliki akurasi sangat baik dengan nilai MAPE sebesar 8,96%, meskipun deviasi tinggi terjadi pada pekerjaan MEP (18%) dan sarana lingkungan (10%). Faktor dominan penyebab ketidakakuratan adalah fluktuasi harga material, perubahan desain mendadak, ketidaklengkapan data historis, dan kesalahan kuantitas material. Responden sepakat bahwa strategi optimasi melalui pembaruan database harga, penerapan kontinjensi berbasis risiko (ISO 31000), pelatihan estimator, kolaborasi multistakeholder, dan integrasi teknologi (BIM) sangat diperlukan. Kesimpulan penelitian menyatakan bahwa EE berpotensi menjadi alat pengendali risiko keuangan yang efektif jika didukung oleh metode estimasi yang akurat dan manajemen risiko yang proaktif. Implikasi praktisnya adalah perlunya adopti strategi optimasi berbasis data dan teknologi dalam penyusunan EE pada proyek pemerintah untuk mencegah pembengkakan anggaran dan meningkatkan akuntabilitas keuangan.
Analysis of Calibration and Validation of Road Roughness Survey Equipment (Hawkeye 2000) Based on SNI 3426:2022 Kusmana, Dody; Kurniawan, Ade; Sarief, Ivany; Mulyadi, Cecep Deni
Jurnal Penelitian Pendidikan IPA Vol 12 No 4 (2026): In Progress
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i4.14816

Abstract

Road roughness measurement using the International Roughness Index (IRI) plays a critical role in road asset management, influencing maintenance prioritization and budget allocation. However, discrepancies between instruments may introduce bias without proper calibration. This study aims to analyze the calibration and validation of the Hawkeye 2000 as a Digital Laser Profiler for IRI measurement based on SNI 3426:2022. Calibration was conducted using a Walking Profilometer as the reference instrument, followed by validation on five test segments (SP1–SP5) with lengths of 100–500 meters under three speed variations (40, 50, and 60 km/h). The results show that the Hawkeye 2000 meets the requirements of SNI 3426:2022, with coefficients of determination (R²) of 0.9819 (left), 0.9850 (right), and 0.9820 (combined), indicating high accuracy. The coefficient of variation (CV) ranges from 0.0159 to 0.0241 (<5%), reflecting high precision. Calibration parameters (A = 0.9956; B = −0.0093) are within acceptable limits. The instrument also demonstrates consistent performance across different speeds. In conclusion, the Hawkeye 2000 is reliable for field IRI measurement, although further studies are needed to consider broader road conditions and external factors.
Co-Authors Ade Kurniawan Afriade Siregar, Chandra Alamsyah - Anton Soekiman Fatimah, Cici Iskandar, Bugie Rastapi Ivany Sarief, Ivany Kusdian, Didin Kusdian, R Didin Mulyadi, Cecep Deni Mutaqin, Abdul Nadhya Susilo Nugroho Paikun Pratiwi, A Andini Radisya Pratiwi, A.Andini Radisya Pratiwi, Andini Radisya Rohadi, Edi Sampe, Arpianto Ngion Siregar, Chandra Afriade Soekiman, A Anton Sugiri, Tia Sukmalaras, Ratu Mafas Utomo, Bagus Krido