Mashadi, Muhammad (2026) ANALISIS PERBANDINGAN BIAYA DAN WAKTU PELAKSANAAN PEKERJAAN PRECAST DAN CAST IN SITU MENGGUNAKAN METODE CRITICAL PATH METHOD PADA PROYEK REKONSTRUKSI JALAN PURWOSARI – MALINGMATI KABUPATEN BOJONEGORO. Masters thesis, Universitas 17 Agustus 1945 Surabaya.
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Abstract
Infrastruktur jalan merupakan elemen penting dalam mendukung mobilitas barang dan manusia, serta berkontribusi terhadap pertumbuhan ekonomi dan kesejahteraan masyarakat. Proyek rekonstruksi jalan Purwosari–Malingmati di Kabupaten Bojonegoro menghadapi tantangan terkait keterbatasan waktu dan biaya, sehingga pemilihan metode konstruksi yang efisien menjadi krusial. Penelitian ini bertujuan untuk menganalisis perbandingan waktu dan biaya antara metode precast dan cast in situ menggunakan Critical Path Method (CPM). Metode penelitian dilakukan secara kuantitatif deskriptif dan komparatif. Data diperoleh dari dokumen proyek dan observasi lapangan, kemudian dianalisis untuk menghitung durasi realisasi dan total biaya masing-masing metode. Analisis waktu membandingkan durasi rencana dan realisasi, sedangkan analisis biaya mencakup seluruh komponen langsung dan tidak langsung, termasuk material, tenaga kerja, alat, dan biaya pendukung. Perbandingan dilakukan pada unit pekerjaan sejenis untuk memastikan objektivitas. Hasil penelitian menunjukkan bahwa metode precast menyelesaikan pekerjaan dalam 17 hari, lebih cepat dibanding cast in situ yang memerlukan 18 hari, dengan lintasan kritis 12 hari. Dari sisi biaya, precast mencapai Rp 4.867.814.447,38 miliar, sedangkan cast in situ sebesar Rp Rp18.202.605.739,85 miliar, lebih mahal 273%. Aktivitas non-kritis pada metode precast dapat dikerjakan paralel sehingga meningkatkan efisiensi. Percepatan waktu metode precast tercatat 19%, sementara penghematan biaya signifikan dibanding cast in situ. Kesimpulannya, metode precast lebih efektif dan efisien dalam konteks proyek ini, baik dari aspek waktu maupun biaya.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | precast, cast in situ, critical path method |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Teknik > magister teknik sipil |
| Depositing User: | MTS Magister Teknik Sipil 2025 |
| Date Deposited: | 09 May 2002 18:25 |
| Last Modified: | 09 May 2002 18:25 |
| URI: | http://repository.untag-sby.ac.id/id/eprint/44162 |
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