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

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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.
Mapping the Wuling vehicle market with K-Means Clustering: An effective digital marketing strategy Ardiansyah, Giri Teguh; Hasibuan, Muhammad Satir; Santosa, Suhari; Heikal, Jerry
Jurnal Fokus Manajemen Bisnis Vol. 14 No. 2 (2024)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/fokus.v14i2.10026

Abstract

This study focuses on Indonesia’s automotive industry sector, which is currently experiencing growth, particularly in terms of Wuling's contribution to the economy through sales. The aim is to identify customer clusters for Wuling vehicle and the marketing mix strategy after the most dominant customer cluster for Wuling vehicle. The research method used was a quantitative survey, which involved collecting data from 111 potential Wuling customer using purposive sampling and data collection through questionnaires. The analysis included an F-Test to examine the differences between clusters. The results show that the clustering of Wuling customer using the K-Means Clustering method successfully divided them into three different clusters, namely Perfectionist, Easy Going, and Beginner, with the Easy Going being the most dominant. Therefore, it is necessary to adjust marketing strategies to focus more on the needs and preferences of the Easy Going, including optimizing the use of promotion channels that have been proven effective, such as direct marketing and sales websites. Thus, this study emphasizes the importance of applying the K-Means Clustering method in automotive market segmentation, providing valuable insights for Wuling to formulate more effective and relevant marketing strategies to meet the diverse needs of customer in a dynamic market.
Co-Authors Ade Asmi Anne, Lisye Ira Darmawan, Muhammad Sigit Hardiyanti Hardiyanti Hasibuan, Muhammad Satir Heikal, Jerry Ridho Bayuaji Santosa, Suhari Suswanto, Budi Suswanto