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All Journal Jurnal Manajemen Strategi dan Aplikasi Bisnis Journal La Multiapp
Ardiansyah, Giri Teguh
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering

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Analysis of Time and Cost Planning and Control for Waterproofing Work in Project X Multi-Story Data Center Jakarta Ardiansyah, Giri Teguh; Bayuaji, Ridho; Asmi, Ade; Darmawan, Muhammad Sigit; Suswanto, Budi Suswanto
Journal La Multiapp Vol. 6 No. 4 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i4.2179

Abstract

Waterproofing plays a crucial role in maintaining a building's integrity. However, subcontractor skill limitations and project constraints such as design changes, site readiness, and resource shortages often cause delays. This study analyses the planning and time control of waterproofing work in the Building X High-Rise Data Center project, covering eight work items. Using the Precedence Diagram Method (PDM), the work schedule indicates an effective duration of 34 weeks. The analysis methods used include Critical Path Method (CPM), Earned Value Analysis (EVA), Program Evaluation Review Technique (PERT), and crashing for project duration optimization. By the 30th week, the calculation results showed a Schedule Performance Index (SPI) of 0.96 and a Schedule Variance (SV) of -Rp120,057,209.0, indicating project schedule delays. In terms of cost, the Cost Performance Index (CPI) was 0.99, and the Cost Variance (CV) was -Rp26,459,888.0, showing cost overruns, though still within a relatively controlled limit. The probability of project completion reached 90% by the 30th week. Optimization through acceleration methods proved effective in reducing project duration with controlled additional costs. Therefore, better mitigation strategies are needed to minimize time and cost deviations in similar future projects.
Gaya kepemimpinan ekspatriat Korea-China dan manajer lokal di perusahaan multinasional dan permasalahan yang dihadapi Ardiansyah, Giri Teguh; Hardiyanti, Hardiyanti; Anne, Lisye Ira; Heikal, Jerry
Jurnal Manajemen Strategi dan Aplikasi Bisnis Vol 7 No 2 (2024)
Publisher : Lembaga Pengembangan Manajemen dan Publikasi Imperium

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36407/jmsab.v7i2.1250

Abstract

The globalization process occurring in various countries demands cultural acculturation and leadership models and styles at the global workplace or at the company level. Various cultures that have significantly entered Indonesia include Chinese and South Korean cultures, mainly because these companies have invested in Indonesia. This research aims to determine the leadership styles of Korean-Chinese expatriates and local managers in multinational companies PT. X, PT. Y, and PT. Z when facing issues related to individual culture, personality, behavior, and differing beliefs, as well as when understanding the problems faced by Korean-Chinese expatriate leaders and local managers within multinational companies PT. X, PT. Y, and PT. Z in Indonesia. Based on the data analysis presented, it can be concluded that the cross-cultural leadership style of expatriates in PT. X, PT. Y, and PT. Z is employee-centered (democratic). The leadership style applied by expatriates in PT. X and local managers from PT. Y is seen in decision-making, leader roles, and delegation of authority. The role of expatriate leaders is performed by providing control in completing employee tasks, directing and controlling employees, and constantly monitoring the progress of assigned tasks to ensure they are completed quickly to achieve the company's targets, which are common goals at PT. X, PT. Y, and PT. Z.
Co-Authors Ade Asmi Anne, Lisye Ira Budi Suswanto Darmawan, Muhammad Sigit Hardiyanti Hardiyanti Heikal, Jerry Ridho Bayuaji