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All Journal G-Tech : Jurnal Teknologi Terapan
Toriq Arif Ghuzdewan
Universitas Gadjah Mada, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering

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Development of a Python-Based Program for Pareto Analysis in Construction Project Cost Management Toriq Arif Ghuzdewan
G-Tech: Jurnal Teknologi Terapan Vol 9 No 3 (2025): G-Tech, Vol. 9 No. 3 July 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i3.7379

Abstract

Construction projects are highly complex activities that involve various types of tasks with a large number of work items and resources. This complexity makes cost management a significant challenge. To address this challenge, the Pareto principle, which asserts that the majority of results come from a small number of causes, can be applied to focus attention on the most significant tasks. While Pareto analysis can be performed using spreadsheet such as Microsoft Excel, this process often requires lengthy steps, particularly when multiple Pareto charts need to be generated. This study aims to develop a Python-based program that allows for the automatic and efficient generation of Pareto charts. The program was developed through a structured process of identifying requirements, designing, coding, and testing. The program was tested using simulated cost estimate data from a building construction project and the results showed that the program successfully generated Pareto charts for the analysis of labor, material, and overall work-related costs. The testing also indicated that the program is user-friendly, with a step-by-step input mechanism that facilitates ease of use.
Risk Identification in Toll Road Projects: Literature Review and Expert Validation Alif Naufal Raharjo; Latif Budi Suparma; Toriq Arif Ghuzdewan
G-Tech: Jurnal Teknologi Terapan Vol 9 No 3 (2025): G-Tech, Vol. 9 No. 3 July 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i3.7385

Abstract

Toll road projects are complex construction undertakings that inherently involve a variety of significant risks. This study aims to identify the key risks associated with toll road construction projects through a comprehensive literature review, followed by expert validation conducted on a case study of the Yogyakarta–Bawen Toll Road Section 1 project. The validation process involved distributing questionnaires and conducting interviews with five professionals representing the project owner, consultant, and contractor. The literature review initially identified 31 potential risks; however, expert feedback determined that only 20 of these risks were considered relevant. Additionally, experts introduced two new critical risks: design changes due to government policy and prolonged design review processes. This brings the total number of validated risks to 22. These findings provide a foundational basis for further risk analysis and the development of effective mitigation strategies aimed at minimizing adverse impacts during toll road project execution.
Co-Authors Alif Naufal Raharjo Latif Budi Suparma