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All Journal Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Academia Open
Triwardani, Agil
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Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health

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ANALISIS PENYEBAB KETERLAMBATAN PEKERJAAN REPLATING LAMBUNG PADA PROYEK KAPAL X MENGGUNAKAN METODE FAULT TREE ANALYSIS Triwardani, Agil; Dewi, Sinta
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 10 No 2 (2024): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/teknika.v10i2.1294

Abstract

The The success of a project is marked by the achievement of the planned target. However, in its implementation, delays often occur, including in the hull replating work. In the ship repair project X at PT XYZ, this work experienced a schedule delay due to constraints on materials/equipment, labor, and management. The purpose of this study was to determine the root cause of the delay and propose improvements. The analysis was carried out using the Fault Tree Analysis (FTA) method to identify the root cause of the delay, while the improvement proposal was carried out using the Kaizen 5S method (Seiri, Seiton, Seiso, Seiketsu, Shitsuke). Based on the results of the analysis using the FTA method, the main factor causing the delay was the material/equipment factor with a probability value of 0.304. This factor includes three main indicators of the cause of the delay, namely the delay in the arrival of materials, the ordered materials are not appropriate, and the lack of adequate equipment. The application of the Kaizen 5S method aims to improve work efficiency through better material/equipment management and creating an organized work environment. Thus, it is hoped that the application of both methods can reduce delays and prevent similar problems in the future.
7P Marketing Mix Drives Purchase and Repurchase at a Cafe Triwardani, Agil; Safirin, Moch Tutuk
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13939

Abstract

General Background: The rapid growth of the culinary industry in Indonesia has intensified competition among cafés, requiring effective marketing strategies to attract and retain consumers. Specific Background: D’Coffee Cup Merr Surabaya faces challenges in customer satisfaction, reflected in lower ratings compared to competitors, indicating the need to evaluate marketing factors influencing consumer behavior. Knowledge Gap: Previous studies on the 7P marketing mix show inconsistent findings, and limited research simultaneously examines its relationship with purchase decisions and repurchase behavior within a single Structural Equation Modeling framework. Aims: This study aims to analyze the relationship between the 7P marketing mix, purchase decisions, and repurchase behavior among café consumers. Results: The findings reveal that product significantly affects both purchase decisions and repurchase behavior, while price only influences purchase decisions; other variables such as place, promotion, process, and physical evidence show no significant relationship, and purchase decisions significantly drive repurchase behavior. Novelty: This study integrates all 7P variables within a single SEM model to provide a comprehensive understanding of direct and indirect relationships between marketing mix elements, purchase decisions, and repurchase behavior. Implications: The results highlight the importance of prioritizing product quality and variation in marketing strategies to strengthen consumer decisions and encourage repeat purchases in the competitive café industry. Highlights: Product-related factors dominate consumer behavior in both initial and repeat transactions. Price contributes only to initial buying decisions without extending to repeat actions. Consumer decision stage acts as a direct pathway toward repeated transactions. Keywords: Marketing Mix 7P, Purchase Decision, Repurchase, SEM
Co-Authors Safirin, Moch Tutuk Sinta Dewi