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APLIKASI MANAJEMEN RISIKO PADA PROYEK JALAN TOL SEMARANG-SOLO RUAS BAWEN-SOLO Nurdiana, Asri; Setiabudi, Bambang
Jurnal Proyek Teknik Sipil Vol 1, No 1 (2018): September
Publisher : Civil Infrastructure Engineering and Architectural Design

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (853.248 KB) | DOI: 10.14710/potensi.2018.3488

Abstract

At construction project there must be risks. Risk is a consequence of the uncertainty conditions. In construction projects, the risk can’t be predicted as well because there are a lot of uncertainty to predict problems (Nurdiana, 2015). The aims of this paper are to identify the risk from contractor persepction; to analyze the risk from contractor persepction; and to assign the risk respon from contractor persepction at project of Semarang-Solo Highway (segment Bawen-Solo).The primary data were the identification of risk and the assessment of risk (probability and impact of risk) that obtained by interview and questionnaire method. The secondary data were the project document and the previous research. Data analysis was done by Risk Breakdown Structure method.The identification of risks in the Bawen-Solo Highway project is divided into 4 categories, that are technical risk, procurement risk, contractual risk, and managerial risk. The risk identification is 11 risks which are in the risk category above. Based on the risk analysis that has been done, the biggest risk is contractual risk, which is the contract termination due to project delay. From the value of risk that has been analyzed, the majority of risk is at a low risk level (86%), then moderate risk (14%). Based on an analysis of the risk response, 86% of the risk response is accepted, and 14% of the risk response is mitigation.
Pengaruh Persentase Campuran Serat Daun Nanas dan Cangkang Kerang Darah terhadap Inovasi Papan Partisi Penyekat Ruangan Amalia, Nurul Afifah; Widyasari, Sheny; Setiabudi, Bambang; Fauziyah, Shifa
Jurnal Proyek Teknik Sipil Vol 6, No 2 (2023): September
Publisher : Civil Infrastructure Engineering and Architectural Design

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/potensi.2023.18390

Abstract

Indonesia's increasing population is a crucial problem. According to the Central Bureau of Statistics (2021), Indonesia's population growth in 2020 will increase by 32.56 million people. In line with the need for housing in Indonesia, as a result the available land is decreasing, so many housing developments use partitions. However, partitions on the market still have many drawbacks. Utilization of pineapple leaf fiber as a substitute for fiber and blood clam shell waste as a substitute for cement is certainly a solution to this problem. Where pineapple leaf fiber has a carbon content such as 23.39% cellulose, 42.72% hemicellulose, and 4.03% lignin. Blood clam shells contain Sio2 of 8.252% and CaCO3 ranging from 66-98%. The purpose of this study was to determine the effect of the use of these two materials on the partition characteristics produced through physical tests and mechanical test. Samples were made in laboratory studies with variations of pineapple leaf fiber subs 0%;30%;70%;100% with the number of samples for each mold size being 3 samples. Through the results of tests that have been carried out, the best variation of pineapple leaf fiber substitution is the 70% variation. This test was also carried out by comparing several commercial partitions (gypsum, kalsiboard and GRC).