Produktivitas Alat Berat pada Pekerjaan Galian dan Timbunan Embung IKN Nusantara
DOI:
https://doi.org/10.18196/bce.v4i2.25852Keywords:
alat berat, produktivitas, galian dan timbunan, durasi pekerjaan, biaya proyekAbstract
Pekerjaan pada proyek embung di ibukota nusantara (IKN) didominasi dengan penggunaan alat berat. Pekerjaan galian dan timbunan banyak menggunakan alat berat, seperti excavator, dump truck, vibro roller dan bulldozer. Pemilihan alat berat akan mempengaruhi kelancaran suatu proyek konstruksi. Tujuan dari penelitian ini adalah untuk mengetahui produktivitas alat berat durasi, biaya dan kombinasi alat berat yang dibutuhkan. Penelitian ini menggunakan metode penelitian kualitatif. Data yang digunakan adalah jenis alat berat, volume pekerjaan galian, spesifikasi alat berat dan shop drawing. Berdasarkan perhitungan didapatkan bahwa dengan durasi pekerjaan 8 jam/ hari dan menggunakan alat berat 2 unit excavator, 3 unit dump truck, 1 unit bulldozer dan 1 unit vibro roller menghasilkan produktivitas alat berat excavator sebesar 677,28 m3/hari, dump truck sebesar 271,636 m3/hari, bulldozer sebesar 281,606 m3/hari, vibro roller sebesar 639 m3/hari. Produktivitas alat di lapangan rendah karena kurangnya alat berat yang digunakan. Kombinasi alat berat yang dibutuhkan di lapangan adalah 5 unit excavator, 19 unit dump truck, 7 unit bulldozer, 3 unit vibro roller. Total durasi pekerjaan berdasarkan analisis adalah 29 hari dimana sangat berbeda jauh dari yang dikerjakan di lapangan yaitu 49 hari. Dari hasil analisis didapatkan bahwa pekerjaan dapat lebih cepat 20 hari jika dilakukan penambahan alat berat.
Work on the Embung project, in the capital of the archipelago (IKN) is dominated by the use of heavy equipment. Excavation and stockpiling work uses a lot of heavy equipment, such as excavators, dump trucks, vibro rollers and bulldozers. The selection of heavy equipment will affect the smooth running of a construction project. The purpose of this study is to find out the productivity of heavy equipment duration, cost and combination of heavy equipment needed. This study uses qualitative research methods. The data used is the type of heavy equipment, the volume of excavation work, the specifications of heavy equipment and shop drawings. Based on calculations, it was found that with a work duration of 8 hours/day and using heavy equipment 2 units of excavators, 3 units of dump trucks, 1 unit of bulldozer and 1 unit of vibro rollers resulting in the productivity of excavator heavy equipment of 677.28 m3/day, dump trucks of 271.636 m3/day, bulldozers of 281.606 m3/day, vibro rollers of 639 m3/day. The productivity of the tool in the field is low due to the lack of heavy equipment used. The combination of heavy equipment needed in the field is 5 units of excavators, 19 units of dump trucks, 7 units of bulldozers, 3 units of vibro rollers. The total duration of work based on the analysis is 29 days which is very different from what is done in the field, which is 49 days. From the results of the analysis, it was found that the work could be 20 days faster if heavy equipment was added.
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