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All Journal TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES (TIRES) International Journal on Advanced Technology, Engineering, and Information System (IJATEIS)
Al-Putro, Akmal Puguh
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Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mathematics Physics

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Analysis of Work Network and Critical Trajectory on Penganten - Ngampal Road Reconstruction Project Using Critical Path Method (CPM) Al-Putro, Akmal Puguh; Nugroho, Laksono Djoko; Muhammadun, Haris
TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES Vol. 4 No. 1 (2025): JANUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/tires.v4i1.1599

Abstract

The Reconstruction Project of Penganten-Ngampal Road in Bojonegoro Regency faces challenges in time and resource management, leading to project delays. These delays affect time and cost efficiency, which are key issues in achieving the project's objectives. To address this problem, this study aims to analyze the project’s work schedule and critical path using the Critical Path Method (CPM). The research employs a quantitative method, with data collected through primary and secondary data sources. Primary data was obtained through field observations and questionnaires, while secondary data was gathered from project documents and relevant literature. Using CPM, the first step was to construct the project’s work schedule based on the work breakdown structure (WBS) and the relationships between activities. An analysis was then performed utilizing forward pass and backward pass methods to identify the critical path. This path comprises tasks that require timely completion to avoid causing additional project delays. The results show that the critical path for the Penganten-Ngampal Road Reconstruction Project is identified in activities with codes A, C, D, E, and F. The total project completion duration based on the analysis is 47 days. Activities on this critical path must be completed on time, as delays in any of these activities will affect the overall completion of the project. Therefore, better time management and proper resource allocation for critical activities are essential to complete the project according to the planned timeline.
Analysis of the Probability of Successful Completion Time of the Penganten-Ngampal Road Reconstruction Project Using the PERT Method Al-Putro, Akmal Puguh; Nugroho, Laksono Djoko; Muhammadun, Haris
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 4 No. 1 (2025): FEBRUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v4i1.1598

Abstract

Infrastructure project delays are often a major challenge in the construction industry, including the Penganten - Ngampal Road Reconstruction project which experienced a 50-day delay from the initial target. This problem is caused by the uncertainty of external factors such as weather and limited resources. This research aims to calculate the probability of success of project completion time using quantitative descriptive method with Program Evaluation and Review Technique (PERT) approach. This method involves three estimates, namely optimistic, most likely, and pessimistic times to evaluate the average duration and critical path of the project. The data used consisted of project reports, field observations, and calculations using POM-QM software. The analysis shows that the project critical path consists of activities A, C, D, E, and F with a total duration of 60 days. The probability of completing the project within 60 days reached 98.21%, showing the effectiveness of the PERT method in managing time uncertainty.
Co-Authors Laksono Djoko Nugroho Muhammadun, Haris