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All Journal Rekayasa Sipil Info-Teknik Jurnal Aplikasi Teknik Sipil Media Ilmiah Teknik Sipil JURNAL KAJIAN TEKNIK SIPIL Tropical Wetland Journal Jurnal Infrastruktur Cerucuk. Prodi S1 T. Sipil. Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil Jurnal Manajemen Teknologi dan Teknik Sipil (JURMATEKS) Buletin Profesi Insinyur Abdimasku : Jurnal Pengabdian Masyarakat Jurnal Teknologi Berkelanjutan Jurnal Pengabdian Ilung (Inovasi Lahan Basah Unggul) Jurnal Konstruksi Innovative: Journal Of Social Science Research
Candra Yuliana
Universitas Lambung Mangkurat
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Penjadwalan Proyek Konstruksi Bertingkat Menggunakan Metode Precedence Diagram Method Abdul Karim; Endah Widiastuti; Candra Yuliana
Jurnal Konstruksi Vol 23 No 1 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-1.2362

Abstract

Batas waktu pelaksanaan proyek memiliki dampak signifikan untuk menghindari kerugian antara lain perselisihan, pembengkakan biaya biaya konstruksi dan keterlambatan pelaksanaan proyek. Perencanaan jadwal proyek memiliki berbagai metode perencanaan proyek yang bertujuan mengelola waktu pelaksanaan. Metode penjadwalan proyek berupa Barchart, Critical Path Method, Precendence Diagram Method, Project Evaluation and Review Technique. Penelitian ini menganalisis penjadwalan proyek menggunakan metode Precedence Diagram Method (PDM) dengan menganalisis durasi, hubungan ketergantungan, lag dan lead, lintasan kritis serta float pada proyek Bangunan Bertingkat dan Renovasi Ruang Kelas PAUD Aisyiyah Bustanul Athfal Rahmaniah Kota Banjarbaru, Kalimantan Selatan. Studi ini menggunakan data primer dari wawancara dan data sekunder. analisis dilakukan dengan mengidentifikasi durasi, hubungan ketergantungan dengan melakukan wawancara tenaga ahli yang berkompeten, menganalisis lag dan lead, lintasan kritis serta float menggunakan Precedence Diagram Method (PDM). Hasil penelitian menunjukkan bahwa durasi proyek berdasarkan analisis selama 125 hari kalender, terdapat 43 uraian pekerjaan yang termasuk dalam lintasan kritis dan 41 uraian pekerajan yang termasuk dalam float. Penelitian ini menegaskan penjadwalan proyek menggunakan metode Precedence Diagram Method memiliki berbagai kelebihan yang dapat memudahkan pengendalian dan pengambilan keputusan saat proyek ini berlangsung. Penelitian ini dapat digunakan sebagai dasar acuan dalam pengendalian waktu pada penelitian proyek sejenis yaitu bangunan bertingkat sederhana dan penentuan durasi, hubungan ketergantungan, lag dan lead pada uraian pekerjaan serta penelitian ini dapat dijadikan acuan pada penelitian pengendalian waktu dengan Precendence Diagram Method pada uraian pekerjaan sejenis.
ANALYSIS OF REMAINING CONSTRUCTION MATERIALS AND THEIR CAUSAL FACTORS IN BUILDING PROJECT Candra Yuliana; Elma Sofia; Gawit Hidayat; Munawarah
Jurnal Infrastruktur Vol. 10 No. 1 (2024): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v10i1.6328

Abstract

The problem that occurred in the ABC Flats Construction Project in Banjarbaru was that the project land was quite narrow. So if there is a large scale accumulation of material waste and lack of material management it can result in delays in the construction process, especially the mobilization and demobilization of tools. The aim of this research is to determine materials that cause large waste costs and the factors that cause them, as well as possible strategies to minimize waste. The analysis method is carried out using Pareto, waste cost and fishbone analysis. Collecting data by means of observation and interviews or brainstorming on several similar projects. The results of the Pareto analysis (80/20) show that there are two materials that contribute large costs, namely iron and concrete. The material that has the potential to generate large waste costs in the ABC Kalimantan Flats Construction Project as of the 21st week is ready mix concrete. The contribution of waste value per square meter is 0.073 m3 with a waste cost of 0.003% of the contract value. Based on the fishbone analysis, it was found thst the factors causing waste are a narrow location, stacking of moving materials, workers placing material carelessly, length of reinforcement that is not uniform, simplification of the shape of the pile cap structure, use of tools that do not match their function, number of orders that do not match, the rest of the concrete in the mixer, workers fatigue. Strategies to minimize waste of iron-concrete and ready-mix concrete materials are providing guidance to blacksmiths and workers, making access to tool distribution, using tools according to their functions, utilizing residual concrete, analyzing linear programs or barbending schedules. These results become considerations and suggestions in reducing the project budget due to the impact of material waste.
MANAJEMEN RISIKO CUACA HUJAN DALAM PROYEK KONSTRUKSI BANGUNAN GEDUNG BERDASARKAN ANALISIS DATA DI KALIMANTAN SELATAN Widiastuti, Endah; Karim, Abdul; Yuliana, Candra
Jurnal Infrastruktur Vol. 12 No. 1 (2026): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/99t3ct66

Abstract

The rainy season in South Kalimantan is characterized by high intensity and unpredictable patterns, posing significant risks to the success of building construction projects. These risks include material damage, reduced labor productivity, schedule delays, and increased project costs. This study aims to identify, analyze, and formulate mitigation strategies for risks caused by rainfall in construction projects within the region. Primary data were collected through questionnaires distributed to 30 respondents consisting of contractors, construction managers, and supervisory consultants, while secondary data were obtained from literature and project documents. The analysis involved validity and reliability testing of the instruments using SPSS, followed by the Severity Index method to measure the probability and impact of risks, and the Probability Impact Matrix to determine dominant risk levels. The results indicate that 25 risks factors were valid and reliable, with Cronbach’s Alpha values exceeding 0.9. The analysis identified seven high-risk variables, namely delays in material delivery, material damage due to humidity, decreased labor productivity, postponement of concrete casting, rescheduling of project activities, delays in managerial decision-making, and unexpected additional costs. Proposed mitigation strategies include contingency planning for logistics, material protection measures, flexible work scheduling, the application of adaptive construction technologies, and strengthened managerial coordination. These findings are expected to contribute to enhancing the resilience of construction projects against extreme weather conditions and serve as a foundation for developing adaptive risk management practices in Indonesia’s construction sector.
COMPARISON OF SCHEDULING USING CPM AND PDM METHODS IN THE RECONSTRUCTION PROJECT OF JALAN BUMI MAKMUR – PULAU SARI, BUMI MAKMUR DISTRICT, TANAH LAUT REGENCY, SOUTH KALIMANTAN Ramda, Rihadatul Isi; Yuliana, Candra
CERUCUK Vol 10, No 3 (2026): CERUCUK VOL. 10 NO. 3 MARCH 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v10i3.18919

Abstract

Construction projects in their implementation require the success of management because they are very important for the project. For a smooth work process, effective management is needed to manage project scheduling from start to finish. Therefore, in the Bumi Makmur – Pulau Sari Road Reconstruction project, scheduling will be made using diagrams with PDM, CPM, and modified CPM.The Precedence Diagram Method (PDM) scheduling method in the construction industry is scheduling that can be done with several dependencies where there is  an overlapping relationship. While the Crictical Path Method (CPM) method, which is the dependence of finish to start work, then in this study will be modified, namely a work item is divided into several segments of work activities.The results obtained from the research conducted on the scheduling of this project for the PDM method of the project can be carried out in 136 days. Meanwhile, the CPM method of the project can be done in 225 days and for the CPM method of project modification it can be done in 145 days. The three methods have critical paths, in PDM all activities have a critical path and only have 1 critical path, while in the CPM method without modification there is 1 critical path, and in modified CPM there are 2 critical paths. Kata kunci: Crictical Path Method (CPM), Precedence Diagram Method (PDM)
Co-Authors Abdul Karim Abdul Karim Adriani Adriani Agustina, Ridha Ahmad Anshori Arya Rizki Darmawan Asyifa Zuraima Ulimaz Aulia Isramaulana Aulia Isramaulana, Aulia Badarudin, Ahmad Dewi, Norminawati Elma Sofia Elma Sofia Elma Sofia, Elma Endah Widiastuti Endah Widiastuti Endah Widiastuti, Endah Eva Puspita Sari Evan Elianto Supar Gawit Hidayat Gawit Hidayat Gawit Hidayat Hapsari K., Retna Hasbullah Hasbullah Hasbullah Hasbullah Henry Wardhana Hidayat, Gawit Ida Barkiah Kartadipura, Retna Hapsari Kertadipura, Retna Hapsari M. Dzulfi Khairiannoor Maya Amalia Muhammad Andra Pranatha Muhammad Hafizhir Ridha Muhammad Hafuz Ansyorie Muhing L. Agau Muliadi, Heri Munawarah Munawarah Naura Rasyida Nurcahya Putri, Ronna Sabilla Putri, Septiani Ramadaayanti, Herni Ramadani, Wahyu Nofrian Ramda, Rihadatul Isi Retna Hapsari K Retna Hapsari Kartadipura Retna Hapsari Kartadipura Retna Hapsari Kartadipura Retna Hapsari Kertadipura Rosadie, M. Milky Rusbandi, Indra Rusdi H.A. Satria Wijaya Sugiarti, Maesa Fitri Ulimaz, Asyifa Zuraima Widiastuti, Endah