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All Journal JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS (JHSSB) International Journal on Advanced Technology, Engineering, and Information System (IJATEIS)
Sartiyana, I Ktut Riagung
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences

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Time and Cost Control Analysis of the Construction of the Joyoboyo Zoo Intermodal Terminal Pedestrian Tunnel Using the Critical Path Method Sartiyana, I Ktut Riagung; 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.v4i1.1566

Abstract

This study aims to analyse the effectiveness of Critical Path Method (CPM) in controlling the time and cost of the Pedestrian Tunnel construction project connecting Joyoboyo Intermodal Terminal with Surabaya Zoo. This project experienced various obstacles such as social conflicts, utility handling, and cross-agency coordination, resulting in delays in implementation. The research used a qualitative approach with primary data in the form of field observations and secondary data from project documents such as schedules, weekly reports, and cost budget plans (RAB). The analysis technique involved identifying the critical path, calculating the activity time, and evaluating the impact of delays on the project schedule. The results showed that the application of CPM was able to identify the critical path that had a direct impact on the project completion time. By knowing which activities have no float time, resource management can be optimised to reduce delays. However, the change in tunnel length from 156 metres to 172 metres affected the total project cost, although the implementation cost on the critical path was maintained.
Time Control Analysis of the Construction of the Joyoboyo Intermodal Terminal Pedestrian Tunnel to the Surabaya Zoo Sartiyana, I Ktut Riagung; Nugroho, Laksono Djoko; Muhammadun, Haris
JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS Vol. 4 No. 2 (2025): FEBRUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/jhssb.v4i2.1565

Abstract

The primary objective of this research is to examine the timeline for the construction of a pedestrian tunnel connecting the Joyoboyo Intermodal Terminal (TIJ) with the Surabaya Zoo (KBS). The construction of this tunnel is considered a crucial project aimed at enhancing accessibility and alleviating congestion along the Joyoboyo road. The estimated cost for this project is Rp 31,996,921,529.00 and it is scheduled to be completed within 135 calendar days. The results showed that the main factors of project delays were due to delays in the procurement of 40cm diameter piles, interference due to inundation due to undetected PDAM pipes. Using the CPM method, the identification of the critical trajectory enabled the optimisation of the project duration and reduced the risk of delays. In addition, incremental cost analysis showed the relationship between time acceleration and increased project cost. By identifying key factors causing delays and implementing strategic planning methodologies such as the CPM, the project was able to enhance efficiency and mitigate potential setbacks. Furthermore, the study shed light on the economic implications of time acceleration, emphasizing the importance of balancing speed with cost considerations in construction projects.
Co-Authors Laksono Djoko Nugroho Muhammadun, Haris