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All Journal Composite Journal Research Review: Jurnal Ilmiah Multidisiplin
Tuloli, Mohamad Yusuf
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Humanities Civil Engineering, Building, Construction & Architecture Education Languange, Linguistic, Communication & Media Social Sciences Other

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EVALUASI METODE LEAN CONSTRUCTION DAN PENJADWALAN CRITICAL CHAIN PROJECT MANAGEMENT (STUDI KASUS REKONSTRUKSI JALAN RUAS GORONTALO-BILUHU BARAT) Lige, Fifi Nabila; Utiarahman, Arfan; Tuloli, Mohamad Yusuf
Composite Journal Vol. 3 No. 1 (2023): Composite Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/cj.v3i1.71

Abstract

Construction project development requires careful planning, but the uncertainty that occurs in the procerss is very diverse. Inefficiencies such as schedule mismatch with the work process in the field must be minimized so that there is no significant waste of costs. Therefore, related parties need to take appropriate steps to identify and evaluate waste so that the planning time and the work process do not differ significantly, so as to reduce waste of costs and provide satisfactory results to the project owner. Thus, it is necessary to conduct research on lean construction mehod and critical chain project management scheduling to know the occurrence of waste so that anything that does not add value can be minimized or even eliminated. Based on the result of interviews, there are 73% value added activity and 27% non-value adding but necessary activity. The critical waste is waiting and unnecessary inventory. The risks that occur are incompatibility of planning designs with the field, delays in materials/tools, damage to materials/tools, work safety, traffic disturbances at the project site, low labor productivity, design change from planners, bad weather, and the COVID-19 pandemic. The estimated total project duration obtained using the Critical Chain Project Management (CCPM) method is 200 days from the initial duration of 266 days.
Evaluasi Biaya dan Waktu Pelaksanaan Pekerjaan Fondasi Bore Pile Proyek Rumah Susun BPK RI Kota Gorontalo Gandi, Abdul; Tuloli, Mohamad Yusuf; Sumaga, Arfan Usman
Research Review: Jurnal Ilmiah Multidisiplin Vol. 3 No. 2 (2024): Research Review: Jurnal Ilmiah Multidisiplin (Agustus 2024 - Januari 2025)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v3i2.107

Abstract

Bore pile foundations are a type of deep foundation that does not displace surrounding soil, commonly used alongside pile foundations. Key elements in construction projects are cost, time, and quality, making the evaluation of cost and time crucial to meet project plans without sacrificing quality. This study focuses on: (1) calculating bore pile productivity, (2) determining the volume of completed work, (3) assessing the unit price of bore pile foundations, (4) comparing the unit price using the AHSP Cipta Karya Permen PUPR No. 28 of 2016 with field conditions, (5) identifying delays in bore pile work, and (6) comparing project timelines using the S curve. The analysis shows that the total cost based on AHSP is Rp. 3,676,848,177.59, while the field cost is Rp. 4,266,992,505.98. The AHSP schedule estimated 77 days, but the field completion was 84 days, indicating a 7-day delay. Factors contributing to these discrepancies include differences in pricing, project and material delays, equipment issues, and weather conditions.
Analisis Percepatan Waktu Pada Pembangunan Gedung Perkuliahan Terpadu IAIN Sultan Amai Gorontalo Menggunakan Crash Program Aisyah Rizki Putri; Sumaga, Arfan Usman; Tuloli, Mohamad Yusuf
Composite Journal Vol. 4 No. 2 (2024): Composite Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/cj.v4i2.134

Abstract

Penjadwalan mengatur jumlah waktu yang tersedia untuk menyelesaikan setiap aktivitas proyek yang diperlukan hingga mencapai hasil yang optimal dengan mempertimbangkan batas-batas yang ada. Keterlambatan sebuah proyek dapat menggunakan alternatif crash program berupa menambahkan sumber harian, seperti tenaga kerja atau peralatan, agar aktivitas proyek dapat selesai diwaktu yang lebih optimal. Pada penelitian ini alternatif yang digunakan pada proyek pembangunan Gedung Perkuliahan Terpadu IAIN Sultan Amai Gorontalo adalah dengan penambahan tenaga kerja untuk memperoleh waktu dan biaya optimal. Dari hasil analisis pada penelitian diperoleh efisiensi waktu sebesar 29% dengan pengurangan sebanyak 11 hari dari durasi normal 38 hari. Sementara total biaya berubah menjadi Rp. 1.867.028.999,60 sehingga mengalami pengurangan biaya sebesar Rp. 9.873.332,60 dari total biaya awal sebesar Rp. 1.876.902.332,20 dengan nilai efisiensi biaya 1%.
Co-Authors Aisyah Rizki Putri Arfan Usman Sumaga Arfan Utiarahman Gandi, Abdul Lige, Fifi Nabila