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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Locus Penelitian dan Pengabdian
Budi Nugroho, Arief Setiawan
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Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Mathematics

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Optimasi Praktikal Metode Konstruksi Jalan Akses di Area Tanah Lunak Yudhistira, Angga Trisna; Fathani, Teuku Faisal; Budi Nugroho, Arief Setiawan; Prianugroho, Naseem Agung; Wibisono, Himawan
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 2, DESEMBER 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i2.56309

Abstract

In one of the smelter projects at West Kalimantan, access road construction was planned to use soil embankment above the geo-membrane layer. But this method is not highly effective considering rainfall intensity is very high in the project location. Therefore, optimization needs to be done to obtain the most effective method in terms of cost and timely accomplishment of the access road. The optimization method is done by making a comparison matrix of the output results of the running simulation schedule on software. From the several methods proposed, the duration of completion, completion costs, and resource requirements are compared and scored to get the most optimized method. Other than that, carbon emissions resulting from each method are also compared. The optimization result concluded that boulder stone layer addition with optimum quantity in the embankment is the most optimal method considering the remaining time and encountering intensive rainfall. This optimized method can result in an accelerated construction duration of 140 days, cost efficiency of 11.46%, and a reduction in carbon emissions of 44% compared to the initial method. This optimization method is expected can be applied to access road embankment projects of soft soil areas in other locations, especially in the Kalimantan region.
Analisis Risiko Prioritas yang Mempengaruhi Perubahan Biaya dan Waktu Pelaksanaan Proyek Hunian Tetap Pasca Bencana Rifu, Sulistian Purnamasari; Ghuzdewan, Toriq Arif; Budi Nugroho, Arief Setiawan
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 12 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i12.4843

Abstract

Pembangunan hunian tetap (huntap) pascabencana merupakan program strategis yang bertujuan menyediakan hunian layak dan aman bagi masyarakat terdampak, namun dalam pelaksanaannya sering menghadapi kendala berupa tingginya jumlah perintah perubahan (change order) yang berdampak pada keterlambatan dan peningkatan biaya. Penelitian ini bertujuan untuk mengidentifikasi faktor-faktor risiko penyebab perubahan kontrak yang diklasifikasikan menjadi kejadian risiko (risk event) dan sumber risiko (risk agent) serta menganalisis sumber risiko prioritas yang mempengaruhi perubahan biaya dan waktu pelaksanaan proyek. Identifikasi risiko diawali melalui kajian literatur dan wawancara bersama 5 pakar yang terlibat dalam proyek huntap pasca bencana di Palu. Penelitian ini mengidentifikasi 14 risk event dan 15 risk agent. Penilaian risiko dilakukan melalui penyebaran kuisioner kepada 30 responden yang kemudian dianalisis menggunakan metode House of Risk (HOR). Hasil analisis diperoleh 6 risk agent prioritas yaitu perencanaan yang tidak memadai, site investigasi yang buruk oleh owner, keadaan kahar, keterlambatan pembebasan lahan, masalah sosial dengan warga sekitar pembangunan huntap, dan durasi kontrak yang tidak realistis yang diberlakukan oleh owner. Temuan ini memberikan gambaran mengenai sumber risiko dominan yang memengaruhi perubahan biaya dan waktu, serta dapat menjadi dasar dalam perumusan strategi mitigasi risiko.
Co-Authors ghuzdewan, Toriq arif Himawan Wibisono Prianugroho, Naseem Agung Rifu, Sulistian Purnamasari Teuku Faisal Fathani Yudhistira, Angga Trisna