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All Journal Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) JHP17 (Jurnal Hasil Penelitian) RACIC : Rab Construction Research Indonesian Journal Of Civil Engineering Education EXTRAPOLASI: Jurnal Teknik Sipil axial : jurnal rekayasa dan manajemen konstruksi Portal: Jurnal Teknik Sipil Jurnal Kridatama Sains dan Teknologi Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil Jurnal Manajemen Teknologi dan Teknik Sipil (JURMATEKS) G-Tech : Jurnal Teknologi Terapan Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Teslink : Teknik Sipil dan Lingkungan Extrapolasi Jurnal Teknik Sipil Formosa Journal of Science and Technology (FJST) Journal of Scientech Research and Development Prosiding Seminar Nasional Teknik Sipil UMS Jurnal Pengabdian Masyarakat Bhinneka Jurnal Teknik Sipil Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Jurnal Taguchi : Jurnal Ilmiah Teknik dan Manajemen Industri Calamity: A Journal of Disaster Technology and Engineering Jurnal Teknik AMATA Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK) Prosiding Seminar Nasional Ilmu Teknik Senadika
Michella Beatrix
Program Studi Teknik Sipil, Fakultas Teknik Universitas 17 Agustus 1945 Surabaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Faktor Pengaruh Penerapan Keselamatan dan Kesehatan Kerja (K3) pada Proyek Pembangunan Struktur Gedung XYZ di Kota Surabaya Mubin, Muhammad Fadhul; Beatrix, Michella; Firmansyah, Mochamad
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.57916

Abstract

High-rise building construction projects have a high risk of occupational accidents, particularly for field workers. Therefore, the implementation of a well-planned Occupational Safety and Health (OSH) Management System supported by adequate safety facilities is essential. This study aims to analyze the implementation of OSH in the construction project of the XYZ building structure in Surabaya and to identify the dominant influencing factors. The method used is a quantitative approach through questionnaires, with respondents consisting of project staff from contractors and supervising consultants. Data analysis includes validity testing, reliability testing, normality testing, F-test (simultaneous), and T-test (partial). The results show that the factors influencing OSH implementation consist of OSH knowledge (8.97%), OSH management (52.99%), OSH attitudes and behavior (10%), and working conditions and environment (28.04%). The most dominant factor is OSH management, with a percentage of 52.99%.
Faktor Pemutusan Kontrak pada Proyek Konstruksi Berbasis E-Tendering di Kota Surabaya Putra, Fanji Indrajaya; Beatrix, Michella; Firmansyah, Mochamad
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.57998

Abstract

Contract termination in construction projects is a critical issue that can significantly affect project time and cost performance. This study aims to identify the dominant factors causing contract termination and analyze their impact on construction project performance in e-tendering-based projects in Surabaya. A quantitative approach was applied using questionnaire data collected from 46 respondents, including contractors, consultants, and project personnel. Data were analyzed using descriptive statistics and simple linear regression. The results indicate that delay in work progress is the most dominant factor, and contract termination has a strong influence on project time and cost, with a correlation value of 0.881. Therefore, improving project control and enhancing human resource competence are essential to minimize the risk of contract termination.
Penerapan Metode PDM dan PERT Pada Proyek Hotel Kelapa Gading Kota Jakarta Yulianto, M Rizky Eko; Beatrix, Michella
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58042

Abstract

Construction project delays in Indonesia remain a critical issue, as indicated by more than 40% of projects experiencing time deviations, including the Kelapa Gading Hotel Construction Project, which recorded a delay of 1.962% in the 16th week, with planned progress of 17.589% and actual progress of 15.627%. This condition indicates that the scheduling methods used have not been able to adequately accommodate uncertainty in activity durations. This study aims to analyze project scheduling using the Precedence Diagram Method (PDM) and the Program Evaluation and Review Technique (PERT) to evaluate project duration, identify critical activities, and assess the probability of project completion. The results show that the project duration based on the PDM method is 423 days, which is 10 days longer than the initial plan of 413 days. The PERT analysis indicates significant variation in activity duration, with a probability of project completion within 413 days of 19.49%, increasing to over 99% at approximately 450 days. Therefore, the integration of PDM and PERT methods can improve scheduling accuracy and support more effective project time control.
Analisis Faktor Penerapan Lean Construction dalam Manajemen Material Menggunakan Metode Relative Importance Index (RII) Assidiqi, Widinanta Emir; Beatrix, Michella
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58316

Abstract

This study aims to identify and analyze the most critical factors in the implementation of Lean Construction within construction project material management through a quantitative approach and the Relative Importance Index (RII) method. The research variables encompass aspects of planning, procurement, storage, distribution, and material control to determine the priority ranking of the influencing factors. The analysis results indicate that poor contractor site management is the most dominant factor with the highest Relative Importance Index value, followed by constraints in shop drawings, construction method errors, and weak communication between parties. Overall, these findings confirm that managerial aspects and field coordination play a highly significant role in the successful implementation of Lean Construction to minimize material waste in construction projects.
Analisa Produktivitas Pekerjaan pada Proyek Pembangunan Perpustakaan Daerah Kabupaten Bangkalan Abdul Jawad; Michella Beatrix
Portal: Jurnal Teknik Sipil Vol 18, No 1 (2026): April Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v18i1.9050

Abstract

Proyek konstruksi sering mengalami keterlambatan akibat kurang optimalnya perencanaan dan pengendalian waktu selama pelaksanaan. Salah satu faktor utama yang mempengaruhi durasi proyek adalah produktivitas sumber daya, meliputi tenaga kerja, material, dan peralatan. Penelitian ini bertujuan untuk menganalisis produktivitas sumber daya serta menentukan durasi pekerjaan pada Proyek Pembangunan Perpustakaan Daerah Kabupaten Bangkalan. Metode yang digunakan adalah pendekatan kuantitatif berdasarkan Analisa Harga Satuan Pekerjaan (AHSP) serta data lapangan proyek. Hasil analisis menunjukkan bahwa produktivitas tenaga kerja pada pekerjaan pengecoran beton sebesar 37,24 m³/OH, dengan kebutuhan tenaga kerja sebesar 5,80 OH untuk volume pekerjaan 8,4 m³. Produktivitas alat mencapai 10 m³/jam, sedangkan durasi pekerjaan diperkirakan sekitar 2 hari dengan 5 tenaga kerja. Hasil penelitian menunjukkan bahwa sinkronisasi antara tenaga kerja, material, dan alat sangat berpengaruh terhadap peningkatan efisiensi serta meminimalkan keterlambatan proyek.
Presentase Waste Material Besi Tulangan pada Proyek X dengan Metode Bar Bending Schedule (BBS) Muhammad Fa'is Hidayatulloh; Michella Beatrix
Portal: Jurnal Teknik Sipil Vol 18, No 1 (2026): April Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v18i1.9072

Abstract

Keberhasilan proyek konstruksi dipengaruhi oleh efektivitas pengelolaan material, karena material menyumbang sebagian besar biaya proyek. Pengelolaan yang kurang optimal dapat menimbulkan waste material yang berdampak pada peningkatan biaya dan penurunan efisiensi. Salah satu material dengan potensi waste tinggi adalah besi tulangan pada struktur beton bertulang, yang umumnya disebabkan oleh sisa potongan fabrikasi dan perhitungan kebutuhan yang masih konvensional.Penelitian ini bertujuan menganalisis pengendalian waste material besi tulangan melalui penyusunan Bar Bending Schedule (BBS) berbasis Building Information Modeling (BIM) menggunakan Autodesk Revit. Metode penelitian dilakukan dengan memodelkan elemen struktur kolom, balok, pelat lantai, dan pile cap secara tiga dimensi (3D) berdasarkan data shop drawing. Hasil pemodelan digunakan untuk menyusun dokumen BBS melalui fitur Schedule/Quantities yang memuat jumlah, diameter, panjang, total panjang, dan berat tulangan sebagai dasar analisis kebutuhan material.Hasil menunjukkan adanya perbedaan kuantitas besi tulangan antara metode konvensional (MC 0) dan BBS berbasis BIM, dengan nilai waste material tertinggi sebesar 79,36% pada kolom K-3 dan terendah sebesar -21,70% pada balok B-6K. Nilai positif menunjukkan metode konvensional lebih besar dari BIM, sedangkan nilai negatif menunjukkan sebaliknya, yang mengindikasikan potensi overestimate dan underestimate. Metode BBS berbasis BIM menghasilkan perhitungan yang lebih rinci sesuai SNI 2847:2019, sehingga mampu meningkatkan akurasi perencanaan dan efektivitas pengendalian material. 
Occupational Health and Safety (OHS) Impact on Time and Cost of East Java'S National Road Projects Nainggolan, Boyke Mangaratua; Beatrix, Michella
Indonesian Journal Of Civil Engineering Education Vol 9, No 1 (2023): Indonesian Journal of Civil Engineering Education
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijcee.v9i1.69550

Abstract

Road infrastructure development has increased in the last three years. Like the construction of other infrastructure projects, the implementation of this road project also carries a high risk of work accidents. Therefore, knowledge of Occupational Safety and Health (OHS) is needed to minimize the potential risk of work accidents. The purpose of this study is to determine the implementation of Occupational Safety and Health (OHS) in national road projects in East Java and review what can be done so that the implementation of Occupational Safety and Health (OHS) in national road projects in East Java can run better. This research began with data collection through the questionnaire method, distributed to the national road project head office in East Java, with the respondents being project managers or project leaders. Furthermore, the collected questionnaire data were analyzed using the Partial Least Square (PLS) method. The results of the partial least squares analysis show that the factor that most influences the application of OHS is the Management Role Factor (X2) which ranks first, with the Management Role variable having an effect of 25.07%.
OPTIMASI PROYEK PEMBANGUNAN GEDUNG WORKSHOP TEKNIK MESIN UPN VETERAN JAWA TIMUR DENGAN METODE TIME COST TRADE OFF Muhammad Rafli Nurabidin; Michella Beatrix
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4162

Abstract

Projects are temporary initiatives with limited time, resources, and goals. Due to time and financial constraints, project planning is crucial, with project management being a key factor in its success. Consistency in the quality, cost, and time of a construction project requires the selection of effective construction methods. The purpose of this study is find out the construction costs by adding working hours using the TCTO method, knowing the acceleration of construction time by adding working hours using the TCTO method. These methods impact the construction duration, material usage, equipment, and labor. In the case of the Workshop Building for Mechanical Engineering at UPN Veteran East Java, issues arose during boredpile work due to marshy soil, limiting the installation to only 2 points per day, resulting in a 9-week delay from week 11 to week 20. Additionally, challenges included the time-consuming disposal of boredpile soil and equipment damage, requiring weekly repairs lasting approximately 4 hours. Therefore, acceleration is needed to address these delays, which can be achieved through the Project Crashing approach using the Time Cost Trade Off (TCTO) method.
ANALISIS PENENTUAN PRIORITAS PEMELIHARAAN BANGUNAN DENGAN METODE ”ANALYTICAL HIERARCHY PROCESS” PADA BANGUNAN GEDUNG CREATIVE SPACE UNICORN - SURABAYA M. Roudlloh Nur Kusuma putra; Michella Beatrix
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4169

Abstract

according to the requirements and wishes of the user. This research uses the "Analytical Hierarchy Process (AHP)" method, as a decision maker in determining the order of maintenance priorities by analyzing component condition indices. From the results of the analysis, it was found that the level of damage was based on the Condition Index value for the Creative Space Unicorn Building. It shows that the priority for building maintenance is the first architectural component in wall paint with a percentage of 1.16, the second utility, namely lights, has a percentage value of 0.79... So It can be concluded that the Creative Space Unicorn Building has a building condition index on a scale of 72.04. means that the description of the condition of the building is sufficient (only minor damage occurred).
Analisis Risk Barriers and Mitigation Strategies for High-Rise Building Delays in Surabaya Using Fuzzy Logic Ninda Qurmaulia Dhani; Michella Beatrix; Mochamad Firmansyah
G-Tech: Jurnal Teknologi Terapan Vol 10 No 2 (2026): G-Tech, Vol. 10 No. 2 April 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i2.9154

Abstract

Delays in high-rise building projects negatively affect cost, quality, and schedule performance. This study aims to identify the main risk barriers and formulate appropriate mitigation strategies using a fuzzy logic approach. Data were collected from 80 valid respondents occupying strategic and operational roles in construction projects in Surabaya. Linguistic assessments (Low, Medium, High) were converted into Triangular Fuzzy Numbers and defuzzified using the centroid method to obtain crisp severity scores. The results indicate that cost overruns due to design revisions by the project owner (D4) represent the most critical risk barrier, with a defuzzification score of 3.717 (high category), followed by ineffective project control (E1) with a score of 3.483 (upper-medium category). The severity gap between D4 and the overall average of other indicators (≈3.30) shows a dominant external risk influence of approximately 0.40 points on the 1–5 fuzzy scale. Mitigation preferences reveal that risk avoidance is the dominant strategy for D4 (34 respondents), emphasizing design finalization before construction, while risk reduction is dominant for E1 (37 respondents), highlighting intensive monitoring and routine progress evaluation. Practically, prioritizing risks above the 3.50 threshold provides a structured basis for focusing managerial attention on the most critical delay drivers. Theoretically, this study demonstrates that fuzzy logic enhances decision accuracy by transforming subjective expert judgments into measurable and ranked risk severity values for high-rise construction projects.
Co-Authors Abdul Jawad Aditya Pradana, Aditya Aditya Yudhistira Adzim, M. Fatkhul Affrilia Khusnul Khotimah Affrilia Khusnul Khotimah Alifiandi Varian Jaya Anggraeni, Kharisma Dewi Ardiansyah, Ilmam Ari Wibowo Ari Wibowo Arifin, Moch.Ali Assidiqi, Widinanta Emir Athallah Prawira Bima Nursandah Bantot Sutriono Bantot Sutriono, Bantot Cristina Widya Ningrum Dew Pertiwi Dewi Pertiwi Dimas Febrianto Pratama Dwijayanto, Pebru Fahreza Irghi Budi Saputra Fatmawati, Laily Endah Fatmawati, Laily Endah Firmansyah, Mochamad FIRMANSYAH, MOCHAMMAD Gede Sarya Gede Sarya, Gede Herry Widhiarto, Herry Indirani, Dwi Novita Intan Nur Anggrayni Jamila, Rika Lathifia Qolbina Lintang Sinipat M. Roudlloh Nur Kusuma putra Mahendra, Reyga Aditya Malik, Ariansyah Maria Fransiska Trinity Juraman Masca Indra Triana Masca Indra Triana Mathias, Leonardo Milo, Febriyanti Mochamad Firmansyah Mohammad Rizal Mantovani Mubin, Muhammad Fadhul Muhammad Fa'is Hidayatulloh Muhammad Rafli Nurabidin Muhammad Rizky Ashar Nadlif, Dimas Amrun Nainggolan, Boyke Mangaratua Nalindri, Intan Rizqi Ninda Qurmaulia Dhani Ninda Qurmaulia Dhani Nurani Hartatik Nurul Rochmah Nurul Rochmah Oetomo, Wateno Permana, Alung Nanda Puspitaningrum, Hilda Putra, Fanji Indrajaya Putri Suci Mawariza Ramadhina, Wandasari Reyga Aditya Mahendra Riyanti, Intan Yuli Rosyid, Rizal Saves, Faradlillah Sulistyo, Wanda Ardhani Suryanto, Kelik Tia Herlina Sugiharto Tiara Retnali Putri Angguningtyas Wahyu Tri Sutrisno Wateno Oetomo Wateno Oetomo Yahya, Fandy Ahmad Amiruddin Yohanes Usman Nandyanto Yohanes Usman Nandyanto Yohanes Usman Nandyanto Yulianto, M Rizky Eko Zahroh, Alyatus