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All Journal Journal of Civil Engineering and Vocational Education
Rahman Arifin, Ari Syaiful
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Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science Transportation

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Studi Optimasi Kombinasi Alat Berat pada Penambangan Batu Gamping PT Zila Jaya Nusantara di Alahan Panjang Rahman Arifin, Ari Syaiful; Putri, Nining Nofia
CIVED Vol. 10 No. 2 (2023): June 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i2.401

Abstract

Penggunaan alat berat dalam pekerjaan konstruksi maupun penambangan sangat diperlukan untuk membantu mempermudah pekerjaan dan mempersingkat waktu pekerjaan terutama skala menengah ke atas, disisi lain penggunaan alat berat memerlukan biaya yang besar sehingga perlu dibuat perencanaan dan analisa yang baik supaya alat berat berfungsi optimal. Penambangan Batu Gamping oleh PT Zila Jaya Nusantara di Alahan Panjang ini merupakan salah satu contoh proyek yang mmebutuhkan alat berat, sehingga perlunya manajemen dalam efisiensi waktu dan biaya penggunaan alat berat. Tujuan penelitian ini adalah mencari solusi alternatif kombinasi alat berat yang tepat yang sesuai dengan kebutuhan sehingga semua alat berproduksi optimal dari segi waktu dan biaya. Metode yang digunakan dalam penelitian ini yaitu menghitung produktivitas alat berat, menghitung biaya operasional, dan membentuk kombinasi. Hasil analisis menunjukan kombinasi saat ini di lapangan waktu yang didapat yaitu maksimal pekerjaan dalam 29 hari dengan total biaya Rp 1.796.358/jam. Kombinasi Alternatif I dengan waktu kerja maksimal 14 hari dan total biaya Rp 2.083.388/jam. Kombinasi Alternatif II dengan waktu maksimal pekerjaan dalam 29 hari dan total biaya yang dikeluarkan Rp 2.464.167/jam. Kombinasi Alternatif III dengan waktu maksimal pekerjaan dalam 28 hari dan total biaya yang dikeluarkan Rp 2.504.912/jam.
Cost Estimation Analysis of Construction Projects on Simple Earthquake-Resistant Houses Rahman Arifin, Ari Syaiful; Jonrinaldi, Jonrinaldi
CIVED Vol. 11 No. 1 (2024): March 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i1.485

Abstract

Earthquakes are natural disasters that often hit Indonesia, causing various losses in human life, including damage to homes and places to live. Therefore, the importance of building earthquake-resistant houses cannot be ignored. The research aims to obtain a comparison of the estimated cost of a type 36 simple house construction project, by considering the comparison between conventional structures and structures that are strengthened to resist earthquakes. The data used involves working drawings, technical specifications, and work unit price analysis (AHSP) based on PUPR Ministerial Regulation No. 8 of 2023 and a list of unit prices for wages and materials for work in the Public Works and HSBGN sector for the 2022 fiscal year in the city of Padang. The cost estimation results show that for a simple house with a conventional structure, the construction cost is IDR 243,000,000, while for a simple house with earthquake-resistant reinforcement, the cost reaches IDR 251,800,000. This additional cost was caused by strengthening work on foundations, columns and beams, walls, and trusses. Even though there was an increase in costs of around 3.63%, this result can be a consideration for the community. It is important to realize that with relatively small additional costs, people can increase safety and comfort in building construction. The results of this research can be a strong basis for stakeholders in the construction and policy fields to consider safety and comfort as the main factors in developing housing infrastructure.
Co-Authors Jonrinaldi Putri, Nining Nofia