Sudrajad Utomo, Raden Muhammad (2025) Perbandingan Waktu Dan Biaya Di Proyek Pembangunan Jalan Tol Probolinggo Banyuwangi Paket 2 Metode Cast In Situ Dengan Precast Pada Pekerjaan Box Underpass Dan Box Culvert. Diploma thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Metode pelaksanaan pekerjaan struktur bawah seperti box culvert dan box underpass
memiliki peran penting dalam menentukan efisiensi waktu dan biaya pada proyek
infrastruktur jalan tol. Penelitian ini membandingkan dua metode konstruksi, yaitu cast in situ
dan precast, dalam lingkup proyek Jalan Tol Probowangi sepanjang 11,2 + 2 km yang
mencakup 86 titik pekerjaan. Hasil analisis menunjukkan bahwa metode precast mampu
memberikan percepatan waktu yang signifikan, dengan rata-rata durasi 30 hari untuk box
underpass dan 14 hari untuk box culvert, dibandingkan metode cast in situ yang memerlukan
waktu 50 dan 25 hari secara berturut-turut. Secara keseluruhan, metode precast
menyelesaikan seluruh pekerjaan dalam 400 hari, lebih cepat 111 hari (atau 22%)
dibandingkan cast in situ. Namun, efisiensi waktu ini disertai dengan konsekuensi biaya yang
lebih tinggi, yaitu Rp.998.481.311.415,4 dibandingkan Rp.905.899.425.417.7 untuk cast in
situ. Selain itu, ditemukan bahwa tidak seluruh lokasi dapat dioptimalkan menggunakan
metode precast karena beberapa titik memerlukan adaptasi teknis seperti pemasangan mini
pile, sehingga metode cast in situ lebih sesuai diterapkan pada kondisi tersebut. Oleh karena
itu, pemilihan metode konstruksi harus mempertimbangkan keseimbangan antara efisiensi
waktu, biaya, serta kondisi teknis di lapangan guna mencapai hasil optimal dalam pelaksanaan
proyek.
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The selection of construction methods for substructure works such as box culverts and
underpasses significantly influences project efficiency in terms of time and cost. This study
compares two construction methods—cast in situ and precast—within the scope of the 13 km
Probowangi Toll Road project, which includes 86 work points. The analysis results reveal
that the precast method offers a considerable time advantage, requiring an average of 30
days for box underpasses and 14 days for box culverts, compared to 50 and 25 days
respectively for the cast in situ method. In total, the precast approach completes all works in
400 days, which is 111 days (or 22%) faster than the cast in situ method. However, this time
efficiency
comes with higher costs, with precast construction estimated at
Rp.998.481.311.415,4. compared to Rp.905.899.425.417,7. f for cast in situ. Furthermore, not
all locations are suitable for precast implementation due to specific technical requirements
such as mini pile installation, making the cast in situ method more appropriate in certain
conditions. Therefore, selecting the appropriate construction method requires a balanced
consideration of project duration, budget efficiency, and on-site technical constraints to
ensure optimal outcomes.
| Item Type: | Thesis (Diploma) |
|---|---|
| Uncontrolled Keywords: | Perbandingan, Box Underpass, Box Culvert, Cast in situ, Precast |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TE Highway engineering. Roads and pavements T Technology > TE Highway engineering. Roads and pavements > TE175 Road and highway design T Technology > TE Highway engineering. Roads and pavements > TE215 Drainage |
| Divisions: | Faculty of Vocational > Civil Infrastructure Engineering (D4) |
| Depositing User: | R. Muhammad Sudrajad Utomo |
| Date Deposited: | 04 Aug 2025 09:56 |
| Last Modified: | 04 Aug 2025 09:56 |
| URI: | http://repository.its.ac.id/id/eprint/127225 |
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