Ajrina Alifah, - (2022) OPTIMASI HARGA SATUAN DENGAN METODE SIMPLEKS PADA PEKERJAAN BETON BERTULANG STRUKTUR ATAS” (Studi Kasus: Proyek CWP-02 Pembangunan Gedung Sekolah Pascasarjana Universitas Pendidikan Indonesia). S1 thesis, Universitas Pendidikan Indonesia.
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Abstract
Perencanaan biaya adalah bagian penting dari manajemen proyek, terutama dalam hal pengoptimalan biaya dan waktu. Terlebih setelah RAB selesai pun terkadang masih ada beberapa item yang memiliki anggaran yang besar khususnya pada pekerjaan beton bertulang. Tujuan penelitian ini untuk menganalisis harga satuan pekerjaan minimum dari pekerjaan beton bertulang struktur atas, perbandingan harga satuan pekerjaan perencanaan dengan yang telah dioptimasi, mengetahui volume optimum pekerjaan yang didapatkan dari harga yang sudah dioptimasi. Penelitian ini menggunakan metode simpleks. Hasil penelitian, biaya minimum harga satuan struktur balok setelah dioptimasi didapatkan Rp. 4.410.773,14 dari harga asli sebesar Rp 4.510.461,42 dengan selisih Rp. 99.688,28. Untuk kolom setelah dioptimasi didapatkan Rp. 5.653.023,90 dari harga asli sebesar Rp 5,762.487,40 dengan selisih Rp. 109.463,50. Untuk pelat lantai setelah dioptimasi didapatkan Rp. 4.938.796,94 dari harga asli sebesar Rp 5.374.955,45 dengan selisih Rp. 436.158,51. Hasil optimasi perbandingan harga satuan tiap sub pekerjaan lebih kecil dibandingkan harga penawaran dengan perbedaan presentase masing-masing pelat lantai 2%, balok 1%, dan kolom 5%.Volume yang didapatkan dari harga hasil optimasi didapatkan pembesian pelat lantai 146,06 kg/m3 dengan selisih 3.244 kg/m3, bekisting 7,51 m2/m3 dan selisih 0.17 m2/m3 , pengecoran 1,02 m2/m3 dan selisih 0.02 m2/m3. Pembesian balok didapatkan volume 304,23 kg/m3 dengan selisih 11,61 kg/m3, bekisting dengan volume 6,92 m2/m3 dan selisih 0,26 m2/m3, pengecoran dengan volume 1,04 m2/m3 dan selisih 0,04 m2/m3. Pembesian kolom didapatkan volume 282,95 kg/m3 dan selisih 23,18 kg/m3, bekisting dengan volume 5,44 m2/m3 dan selisih 0,45 m2/m3, pengecoran dengan volume 1,09 m2/m3 dan selisih 0,09 m2/m3. Kata Kunci: Optimasi, Metode Simpleks, Biaya, RAB. Cost planning is an essential part of the project management, especially when it comes to cost and time optimization. Even after the cost budget plan is completed, some items still have a large cost budget that should be optimized, especially in reinforced concrete work. The purpose of this study is to analyze the minimum unit price of work from upper structure reinforced concrete work, the comparison of the unit price of planning work with the optimized one, find out the optimum volume of work obtained from the optimized price. This study used the simplex method. As a result of the study, the minimum cost of the unit price of the beam structure after optimazion was obtained Rp. 4,410,773.14 from the original price of Rp. 4,510,461.42 with a difference of Rp. 99,688.28. For the column after optimazion, for the column structure after optimization Rp. 5,653,023.90 from the original price Rp. 5,762,487.40 with a difference of Rp. 109,463.50. For the floor plate structure after optimization Rp. 4,938,796.94 from the original price of Rp. 5,374,955.45 with a difference of Rp. 436,158.51. The result of the optimization of the unit price comparison of each sub-work is smaller than the bid price with a percentage difference of 2% floor slabs, 1% beams, and 5% columns, respectively. The volume obtained from the price of the optimization results was obtained from the completion of the floor plate 146.06 kg / m3 with a difference of 3,244 kg / m3, formwork 7.51 m2 / m3 and a difference of 0.17 m2 / m3, casting 1.02 m2 / m3 and a difference of 0.02 m2 / m3. The beam fixing was obtained a volume of 304.23 kg / m3 with a difference of 11.61 kg / m3, formwork with a volume of 6.92 m2 / m3 and a difference of 0.26 m2 / m3, casting with a volume of 1.04 m2 / m3 and a difference of 0.04 m2 / m3. Column finishing obtained a volume of 282.95 kg / m3 and a difference of 23.18 kg / m3, formwork with a volume of 5.44 m2 / m3 and a difference of 0.45 m2 / m3, casting with a volume of 1.09 m2 / m3 and a difference of 0.09 m2 / m3. Keywords: Optimization, Simplex Method, Cost, Cost Budget Plan.
| Item Type: | Thesis (S1) |
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| Additional Information: | Link Google SCHOLAR : https://scholar.google.com/citations?hl=en&user=MYlKFlwAAAAJ ID SINTA Dosen Pembimbing: Siti Nurasiyah : 6003859 |
| Uncontrolled Keywords: | Optimasi, Metode Simpleks, Biaya, RAB |
| Subjects: | L Education > L Education (General) T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Pendidikan Teknologi dan Kejuruan > Jurusan Pendidikan Teknik Sipil > Program Studi Teknik Sipil |
| Depositing User: | Ajrina Alifah |
| Date Deposited: | 18 Oct 2022 03:12 |
| Last Modified: | 18 Oct 2022 03:12 |
| URI: | http://repository.upi.edu/id/eprint/84577 |
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