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ANALISIS KINERJA WAKTU DENGAN MENGGUNAKAN PRECEDENCE DIAGRAM METHOD (PDM) (Reschedule Proyek Pembangunan Jembatan Nangarasong, Kabupaten Sikka, Nusa Tenggara Timur) Claudia Ekarista Sika Keytimu; Oktavianus Jori
SIARTEK - Jurnal Teknik Sipil dan Arsitektur Vol 7 No 2 (2021): SIARTEK - Jurnal Teknik Sipil dan Arsitektur
Publisher : Program Studi Teknik Sipil

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Abstract

Construction projects are developing rapidly both in terms of physicality, time and cost, this rapid construction development is certainly also felt by the construction of the bridge. In the construction of bridges, it often faces challenges in terms of incompatibility between planning schedules and realization in the field. The bridge project that will be used as a case study is located in the Nangarasong area, Sikka Regency, East Nusa Tenggara. This study uses the Precedence Diagram Method (PDM) which aims to find out the time comparison and evaluate the solution of the project implementation time. The method was analyzed using Microsoft Excel and three scenarios were obtained for the duration of the project implementation, namely: the realization time obtained a duration of 126 calendar days, the time according to the number of workers at the location obtained a duration of 120 calendar days, and the time with the number of workers obtained a duration of 112 calendar days. Thus, the project implementation time was accelerated by 12 calendar days.
ANALISIS KINERJA WAKTU DENGAN MENGGUNAKAN PRECEDENCE DIAGRAM METHOD (PDM) (Reschedule Proyek Pembangunan Jembatan Nangarasong, Kabupaten Sikka, Nusa Tenggara Timur) Claudia Ekarista Sika Keytimu; Oktavianus Jori
SIARTEK - Jurnal Teknik Sipil dan Arsitektur Vol 8 No 2 (2022): SIARTEK - Jurnal Teknik Sipil dan Arsitektur 
Publisher : Program Studi Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Construction projects are developing rapidly both in terms of physicality, time and cost, this rapid construction development is certainly also felt by the construction of the bridge. In the construction of bridges, it often faces challenges in terms of incompatibility between planning schedules and realization in the field. The bridge project that will be used as a case study is located in the Nangarasong area, Sikka Regency, East Nusa Tenggara. This study uses the Precedence Diagram Method (PDM) which aims to find out the time comparison and evaluate the solution of the project implementation time. The method was analyzed using Microsoft Excel and three scenarios were obtained for the duration of the project implementation, namely: the realization time obtained a duration of 126 calendar days, the time according to the number of workers at the location obtained a duration of 120 calendar days, and the time with the number of workers obtained a duration of 112 calendar days. Thus, the project implementation time was accelerated by 12 calendar days.
Analisis Waktu Pelaksanaan Kerja Pada Proyek Pembangunan Menara Lonceng Gereja Santo Martinus Bola Dengan Menggunakan Metode CPM (Critical Path Method) Claudia Ekarista Sika Keytimu; Firnimus Konstantinus Bhara; Mariela Anjelica Natasya
Journal of Science and Engineering Vol 9 No 1 (2026): Journal of Science and Engineering (JOSAE)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/josae.v8i2.10798

Abstract

This studi aims to analyze the scheduling of the Ball Tower Construction Project of Santo. Martinus Bola Church using the Critical Path Method (CPM) to determine the critical path method. and estimate the optimal project completion time. The research data were obtained fro the project’s activity breakdown and analyzed using forward pass and backward pass calculations to determine the earliest start(ES), earliest finish (EF), latest start(LS), latest finish (LF), and slack time for each activity. This analysis results show that there are 16 activities included in the critical path, such as hard soil excavation for footplate foundations, sand backfill under the footplate, and reinforced concrete structural works from sloof, columns, beams, to floor slabs and roof slabs. Meanwhile, 4 other activities are non-critical as they shortened from the initial plan of 215 days, resulting in an acceleration of 35 days. These findings indicate that the CPM is effective for planning and controlling project time in building construction projects.