RUKAMTI, SITI (2026) IMPLEMENTASI VALUE ENGINEERING UNTUK ANALISIS COST OVERRUN PADA PEKERJAAN PONDASI AKIBAT CHANGE ORDER PEKERJAAN BASEMENT (Studi Kasus: Proyek Pembangunan Riung Tower – Bekasi, Jawa Barat). S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
Permasalahan cost overrun pada proyek konstruksi sering kali dipicu oleh change order dan pengendalian biaya yang lemah sejak tahap pra-konstruksi. Penelitian ini berjudul “Implementasi Value Engineering untuk Analisis Cost Overrun pada Pekerjaan Pondasi Akibat Change Order Pekerjaan Basement” dilakukan pada Proyek Pembangunan Riung Tower di Kota Bekasi. Proyek ini mengalami change order perencanaan proyek setinggi 11 lantai menjadi 10 lantai dengan menghilangkan 2 lantai basement dan penambahan 1 lantai lower ground. Penghilangan 2 lantai basement berdampak pada perubahan titik bored pile dan metode kerja open cut dengan secant pile menjadi metode CCSP serta relokasi STP dari basement ke salah satu segmen pilecap (PC-36). Perubahan titik bored pile menyebabkan pembengkakan biaya (cost overrun) sebesar Rp438.606.022. Hasil penelitian menunjukkan bahwa pekerjaan yang menjadi penyumbang cost overrun terbesar pada pekerjaan pondasi akibat change order pekerjaan basement untuk menjadi prioritas utama dalam efisiensi biaya yang dilakukan di tahap informasi, tahap analisis fungsi dan tahap kreatifitas dengan menggunakan value engineering adalah pekerjaan beton f'c 30 Mpa borepile, pekerjaan pembesian pilecap, pekerjaan pembesian borepile dan pekerjaan borepile D800. Penelitian juga menunjukkan bahwa efisiensi biaya yang dapat dilakukan pada pekerjaan penyumbang cost overrun terbesar pada pekerjaan pondasi akibat change order pekerjaan basement tanpa mengurangi fungsi utama pekerjaan ditahap evaluasi dan tahap pengembangan dengan menggunakan value engineering adalah pekerjan beton f'c 30MPa sebesar 2%, pekerjaan pembesian pilecap sebesar 6%, pekerjaan pembersian borepile sebesar 3% dan pekerjaan borepile D800 sebesar 5%. Selain itu, penelitian menunjukkan rekomendasi pakar terhadap alternatif desain pada pekerjaan pondasi untuk mengantisipasi cost overrun ditahap rekomendasi dengan menggunakan value engineering adalah melakukan kontrol tremie kontinu pada pekerjaan beton f'c 30MPa borepile, melakukan optimalisasi Bar Bending Schedule (BBS) pada pekerjaan pembesian pilecap dan pembesian borepile dan metode pelaksanaan Batch Drilling & Continuous Operation pada pekerjaan borepile D800. Cost overruns in construction projects are often triggered by change orders and weak cost control starting from the pre-construction stage. This research, entitled “Implementation of Value Engineering for Cost Overrun Analysis of Foundation Works Due to Basement Change Orders,” was conducted on the Riung Tower Development Project in Bekasi City. The project experienced a planning change order from an 11-story building to a 10-story building, involving the elimination of two basement levels and the addition of one lower ground floor. The removal of two basement levels resulted in changes to bored pile locations and a change in the construction method from open cut with secant pile to the CCSP method, as well as the relocation of the STP from the basement to one of the pile cap segments (PC36). Changes in bored pile locations caused a cost overrun of IDR 438,606,022. The results show that the works contributing most significantly to cost overruns in foundation works due to basement change orders and thus becoming the main priorities for cost efficiency at the information, function analysis, and creativity stages using value engineering are 30 MPa concrete for bored piles, pile cap reinforcement works, bored pile reinforcement works, and D800 bored pile works. The study also indicates that cost efficiencies can be achieved in these major costoverrun-contributing works without reducing their primary functions during the evaluation and development stages using value engineering, namely: 2% for 30 MPa bored pile concrete works, 6% for pile cap reinforcement works, 3% for bored pile reinforcement works, and 5% for D800 bored pile works. Furthermore, the study shows that expert recommendations for alternative designs in foundation works to anticipate cost overruns at the recommendation stage using value engineering include implementing continuous tremie control for 30 MPa bored pile concrete works, optimizing the Bar Bending Schedule (BBS) for pile cap and bored pile reinforcement works, and applying the Batch Drilling & Continuous Operation construction method for D800 bored pile works.
| Item Type: | Thesis (S1) |
|---|---|
| NIM/NIDN Creators: | 41119310107 |
| Uncontrolled Keywords: | Value Engineering, Cost Overrun, Foundation, Change Order, Basement |
| Subjects: | 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 624 Civil Engineering/Teknik Sipil 600 Technology/Teknologi > 650 Management, Public Relations, Business and Auxiliary Service/Manajemen, Hubungan Masyarakat, Bisnis dan Ilmu yang Berkaitan > 658 General Management/Manajemen Umum > 658.5 Management of Production/Manajemen Produksi |
| Divisions: | Fakultas Teknik > Teknik Sipil |
| Depositing User: | Haqi ar rachma nur |
| Date Deposited: | 02 Apr 2026 03:53 |
| Last Modified: | 02 Apr 2026 03:53 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/101373 |
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