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Journal : Sustainable Civil Building Management and Engineering Journal

Optimasi Waktu dan Biaya dengan Metode Time Cost Trade Off pada Pekerjaan Pipa Jaringan Distribusi Utama Dagen – Plesungan (Studi Kasus: Proyek Spam Wosusokas Segmen 4) Dyah Ratih Kusumastuti; Setyawan, Ary; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 3 (2024): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i3.2769

Abstract

Keberhasilan suatu proyek konstruksi ditentukan oleh mutu, biaya dan juga durasi proyek. Perhitungan yang salah pada salah satu aspek tersebut dapat menyebabkan kerugian. Maka, diperlukan pengendalian proyek yang tepat supaya proyek dapat berjalan dengan lancar dan tepat waktu. Salah satu upaya untuk mengatasi masalah tersebut yaitu dengan dilakukannya optimasi waktu dan biaya atau yang disebut crashing. Pada penelitian ini akan dilakukan optimasi waktu dan biaya proyek dengan metode Time Cost Trade Off dengan bantuan aplikasi Primavera P6. Skenario yang digunakan ada 6, yaitu penambahan jam kerja (lembur) 1 jam kerja hingga 4 jam kerja dan penambahan tenaga kerja 1 pekerja hingga 2 pekerja. Hasil optimasi yang dilakukan pada penelitian ini yaitu pada skenario 1 (penambahan 1 jam kerja) adalah 390 hari dengan biaya Rp71.651.956.512,45 dan lebih cepat 31 hari dari durasi normal 421 hari dan penurunan biaya dari biaya normal senilai Rp 71.840.063.197,01, pada skenario 2 (penambahan 2 jam kerja) adalah 363 hari dengan biaya Rp71.499.850.238,61, pada skenario 3 (penambahan 3 jam kerja) adalah 340 hari dengan biaya Rp71.370.287.273,16, pada skenario 4 (penambahan 4 jam kerja) adalah 324 hari dengan biaya Rp71.287.367.745,46, pada skenario 5 (penambahan 1 pekerja) adalah 339 hari dengan biaya Rp71.327.806.536,75, serta pada skenario 6 (penambahan 2 pekerja) adalah 311 hari dengan biaya Rp71.120.938.849,58. Skenario yang paling efisien yaitu dengan menggunakan skenario 6 yaitu penambahan tenaga kerja sebanyak dua pekerja karena mengurai durasi keseluruhan sebesar 110 hari dengan penurunan biaya sebesar Rp719.124.347,42.
Implementation Of Value Engineering Using Analytical Hierarchy Process (Ahp) (Case Study: Flyover Construction Project Of Jpl 64 Km 38+897 Across Surabaya – Solo) Naufal Akbar Muzaky; Fajar Sri Handayani; Ary Setyawan
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 4 (2024): October
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i4.3077

Abstract

The development of infrastructure development in Indonesia is being intensively carried out by the government to meet the needs of the community. Infrastructure development is often faced with various obstacles that can disrupt the project. To ensure the sustainability of the project, it is necessary to apply Value Engineering to identify opportunities for cost savings and solve problems so as to get maximum value without reducing project quality. The purpose of the research is to analyze the structure, determine the alternative, types and construction methods chosen to make the project cost efficient. Value Engineering is applied to the foundation and deck slab work of the Fly Over Replacement Construction Project JPL 64 Km 38-897 Lintas Surabaya-Solo using the AHP method with the help of expert choice. Based on the results of the Value Engineering analysis, an alternative bore pile d-120 foundation was obtained in the foundation work and a change in the cantilever elbow support method in the deck slab work. The cost efficiency results obtained after Value Engineering amounted to Rp15,108,214,225 or 10%.
Time and Cost Optimization Analysis of Reservoir Building Work in Wosusokas Regional SPAM Project using Time Cost Trade Off Method Maharani, Devita Putri; Setyawan, Ary; Setiono, Setiono
Sustainable Civil Building Management and Engineering Journal Vol. 1 No. 4 (2024): October
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i4.3134

Abstract

Cost and time optimization is an important aspect of project management that aims to achieve optimal efficiency in the use of resources. Time Cost Trade Off (TCTO) method is often used to manage the relationship between time and cost in project completion. This research analyzes cost and time op-timization on construction projects using Primavera P6 software. In optimi-zation with the addition of working hours, 4 alternatives were carried out, namely the addition of 1 hour, 2 hours, 3 hours, and 4 hours of work, the re-sults obtained were a shorter duration but the total cost was getting bigger. Whereas in the alternative of adding workers as many as 1 worker and 2 workers, the optimization results obtained a shorter duration and a reduced total cost. Thus, the TCTO method and the use of Primavera P6 proved ef-fective in identifying the most efficient optimization strategy to achieve pro-ject success on time and within budget.
The Effect of CARTRACK Application on Heavy Equipment Productivity Monitoring at IKN 3A Toll Project Okta Valencia, Ramadhan; Setyawan, Ary; Handayani, Fajar Sri
Sustainable Civil Building Management and Engineering Journal Vol. 2 No. 3 (2025): July
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v2i3.4720

Abstract

This study aims to analyze the effect of the CARTRACK application on the productivity and operational efficiency of heavy equipment in the IKN 3A Toll Road Project, Karangjoang–KKT Kariangau segment. CARTRACK is a GPS-based telematics system that records real-time data on equipment operation, including effective working hours, idle time, and work volume. A comparative quantitative method was used by evaluating data obtained from two monitoring methods: manual recording using Daily Time Sheets and digital tracking through CARTRACK. Six types of heavy equipment were observed: Excavator, Dump Truck, Truck Mixer, Truck Trailer, Vibratory Soil Compactor, and Crane. Data were processed using productivity and efficiency formulas and analyzed using linear regression. The results indicate that the use of CARTRACK significantly improves both productivity and efficiency. The Dump Truck showed an increase in productivity from 2.05 m³/hour to 2.98 m³/hour, while the Crane recorded the highest efficiency gain at 41%. Regression analysis demonstrated a strong positive relationship between effective working hours and productivity, with the highest coefficient of determination (R² = 0.5895) and correlation coefficient (R = 0.7678) for the Dump Truck. These findings confirm that CARTRACK enhances monitoring accuracy and contributes to more efficient and productive heavy equipment operations in large-scale infrastructure projects
Co-Authors A.A. Ketut Agung Cahyawan W Abdallh Lhwaint, Abdallh Abdulhakim Mustafa Elshawesh Abdurrohim, Yahya Aditya Martien Nugroho Aditya Permana Aditya Permana Aditya Permana AGUS SUMARSONO Agus Wahyudi Ahmad Alhashmi Salam Abuseta Ahmad Baihaqi Ahsan Musthafa Shidiq Akhmad, Amirudin Aloysius Ardy Widya Pradana Amirudin Akhmad Anang Prasetyo Andrean, Regi Andriani, Rizki Mega Andyas Nur Wicaksono Ardhyanto, Dhani Aredha Putra, Himawan Nur Arif Budiarto Arya Surya Baskara Asep Yudha Wirajaya Baihaqi, Ahmad Baktiar Widhianto Bambang Setiawan Bima Wirawan Budi Widhiharjo Budi Yulianto Daryanto Ari Prabowo Dewi Ismoyowati, Dewi Dewi Widowati Diar Kurnia Sari Dicky Faisal Djoko Sarwono Djoko Sarwono Djumari Djumari Djumari Djumari Dyah Ratih Kusumastuti Edo Rizkiawan Eka Nugraha, Sadu Januar Emha, Fieza Abraham Fadholah, Rusdi Faisal, Dicky Fajar Sri Handayani Fakhri Muhammad Fakhri Muhammad, Fakhri Faraj Muftah M Akash Fariza, Muhammad Febrianto, Nugroho Fieza Abraham Emha Florentina Pungky Pramesti Fouad M. Ali Bin Ghasheir Fouad M. Ali Bin Ghasheir, Fouad Gabriel Kusumo Hendrianto Galih Fajar Sujatmiko Hafid Riyan Purnomo Handayani, Fajar Sri Hanung Triyono, AR. Hendrianto, Gabriel Kusumo Hery Widijanto Hidayat, Haris Himawan Nur Aredha Putra Ibnu Setiadi Indra Iskandar Irfansyah, Permana Adi Irvan Kusdiantoro Iskandar, Indra Isna Aulia Salsabila Ivan Fadhila Izzudin Izzudin Jamhari Jamhari Jolis Nainggolan Koosdaryani Soeryodarundio Kusno Adi Sambowo Kusno Adi Sambowo Labib, Naufal Makarim Legowo, Slamet Jauhari Legowo, Slamet Jauhari Leny Noviani Maenkar, Verry Mafruhah, Izza Maharani, Devita Putri Mahardhika Yusuf Maharyono, Prima Anugerah Mamok Suprapto Manuel Simeon Marpaung Marpaung, Manuel Simeon Maulana Andhika Pratama Ilyas Michael Michael Mohammed A. A. Almahdi, Mohammed Mohammed Almahdi Mohmed Alshekh A. M. Hmade1, Mohmed Alshekh Muhammad Ardian, Muhammad Muhammad Caesayuda Wijaya Muhammad Fachri Nasution Muhammad Wildan Ma’arif Mutia Ramadani Hidayah Nailina Safira Cinta Karinova Nandiwardhana, Dionisius Pramudita Nasution, Muhammad Fachri Naufal Akbar Muzaky Naufal Iman Adzhan Naufal Makarim Labib Niken Silmi Surjandari Nugraheni, Novia Ayu Nugraheni, Novia Ayu Nugroho Febrianto Nugroho, Aditya Martien Nurul Istiqomah Okta Valencia, Ramadhan Omar Muhamed Kabbash Omar Muhamed Kabbash1, Omar Muhamed P.Wulan, Cahya Esther Perdana, Dian Noor Citra Permana Adi Irfansyah Pinasthi Nugroho Prabowo, Daryanto Ari Pramesti, Florentina Pungky Pramesti, Florentina Pungky Pramesti, Pungky Pranolo, Sunu Herwi Prasetyo, Handy Pratama Ilyas, Maulana Andhika Pratama, Daniel Aviyanto Pratiwi, Sekar Arum Pratomo, Eko Putro Pratomo, Eko Putro Pungky Pramesti Purnomo, Hafid Riyan Putra, Heri Cahyono Putro, Firman Asto Ramadhana, Muhammad Regi Andrean Rizki Mega Andriani Rizkianto, Tito Rizkiawan, Edo Rochim, Rochim Rochmadi, Andi Rusadi, Indra Putra Rusadi, Indra Putra Rusdi Fadholah Ryan Kurniawan Ryan Kurniawan Santara, Satria Lima SANUSI SANUSI Sanusi Sanusi Sari, Diar Kurnia Sari, Fitria Munita Sari, Fitria Munita Sarjiyanto Satria Lima Santara SATRIYAS ILYAS Setiadi, Ibnu Setiono Setiono Setyowati, Sutari Setyowati, Sutari Shidiq, Ahsan Musthafa Sholihin As’ad Sistra, Mawid Dwi Slamet Jauhari Legowo Sobriyah Sobriyah Soniel Zai, Aroman Karsensyah Sri Widyastuti Stefanus Adi Kristiawan Sudarsana Sudiyono Sudiyono Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sujatmiko, Galih Fajar Sukmana, Salvatore Sumarsono, Agus Sumarsono, Agus Supriadi, Andy Supriadi, Andy Suryoaji, Yusuf Suryoto Suryoto Syafina Anindiyasari Syukriyya Zuhrotul Endang Purwaningsih Thathit Bimo Luhung, Thathit Bimo Tito Rizkianto Tora K., W. Alpha Tuhana Verry Maenkar Wahyuningsih Tri Hermani, Wahyuningsih Tri Wibowo Wibowo Wibowo, Wibowo - Wicaksono, Andyas Nur Wicaksono, Anjar Wido Widhianto, Baktiar Widhiharjo, Budi Widya Pradana, Aloysius Ardy Wijaya, Muhammad Caesayuda Winny Astuti Wiranto, Edi Wiranto, Edi Wirawan, Bima Yahya Abdurrohim Yhudianto, Bondan Yhudianto, Bondan Yudhi Prasetyo, Rhobertus Mahadi Yudhi Prasetyo, Rhobertus Mahadi Yudi Rinanto Yusep Purwana Muslih Yusuf Suryoaji Yusuf, Mahardhika Zulianto, Yusuf Zulianto, Yusuf