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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN)
Putra, Mohammad Alam Adeyaka
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Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Studi Cost Benefit Analysis di Kolam Renang Ranca Tales Mini Waterboom Putra, Mohammad Alam Adeyaka; Fahrezi, Muhammad Akmal; Sudianto, Toto
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.47681

Abstract

In this study, the economic feasibility of the 10% discount promotion on weekdays during the off-season at Ranca Tales Mini Waterboom Swimming Pool in Serang City was assessed. Cost-benefit analysis (CBA) was used as the quantitative approach, and data were obtained through documentation, interviews, and observation. Results showed a 40% increase in the number of visitors; in three months, revenue increased from Rp13,200,000 to Rp17,820,000, with promotional costs of Rp1,800,000 deducted, which resulted in a net benefit of Rp2,820,000 and a Benefit-Cost Ratio (BCR) value of 2.57. In addition to increasing financial returns, this strategy increases customer loyalty, employee motivation, and company competitiveness. As a result, a similar promotion is recommended for the next quiet period.
Analisis Kinerja Waktu dan Biaya Proyek Renovasi Kolam Renang Ranca Tales Mini Waterboom Menggunakan Metode Earned Value Management Sudianto, Toto; Putra, Mohammad Alam Adeyaka; Fahrezi, Muhammad Akmal; Raihan, Muhammad
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.55063

Abstract

This study focuses on the evaluation of costs and time in the renovation project of Ranca Tales Mini Waterboom Swimming Pool by utilizing the Earned Value Management (EVM) method. The data analyzed include the planned budget, implementation schedule, work progress, and actual costs of five main components, namely pool ceramic repair, pool area painting, slide repair, pump and filter repair, and changing room repair. The analysis was carried out by measuring the BCWS, BCWP, and ACWP indicators, as well as variances and project performance indices including SV, CV, SPI, and CPI. The findings of this study show an SPI value of 0.874 which indicates a delay in the project and a CPI value of 0.945 which indicates low cost efficiency. The EVM method has proven successful in providing a quantitative overview of project performance and can be applied as a basis for managerial control and decision making.
Co-Authors Fahrezi, Muhammad Akmal Raihan, Muhammad Sudianto, Toto