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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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Journal : composite journal

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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.
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