Abstract
The increasing need for space and limited land especially in big cities cause many high rise building projects in Indonesia. Construction projects including high rise building projects are located in complex and dynamic environments result in high levels of uncertainty and risk. Risks are always present in construction projects and often lead to delay schedules or cost overruns. Risk management is a process consisting of risk identification, qualitative and quantitative assessment, response with appropriate methods of handling and risk control. The concept of risk management is becoming very popular in a number of businesses. Many companies often create risk management procedures in their projects to improve performance, minimize losses and increase profits Risk event from a different project is different from the risk event on another project. Likewise, the level of occurrence and impact in each project is always changing from one project to another. This makes it difficult for management to handle risks on new projects. Lack of risk management, even inadequate risk analysis, can put construction projects in jeopardy. This research looked for alternatives to get risk event, concequance or impact estimates and likelihood or generic possibilities in order to be used to control the risk of subsequent high rise building projects. This research involves several high rise building projects that will be used as a basis for determining risk events, concequance or impact and likelihood or possibilities. In this study used qualitative methods, and data analysis is done by statistical analysis by finding the average of available data. Estimation this risk can help contractors, especially in the field of high rise building to manage risk both from risk factors, likelihood and consequence.
Highlights
The increasing need for space and limited land especially in big cities cause many high rise building projects in Indonesia
After weighing the risk event, 3 values are taken probability >50% of risk event are the failure of the contractor to fulfill its obligation due to internal factors, the contractor must implement all variation instructions, the owner fails to pay due to financial limitations
Based on the results of research and processing of secondary data, the conclusions can be drawn as follow: 1. From the literature review Found 76 risk event, which based on the interpretation of the researcher to the definition of risk the risk event is reduced to 17 risk event
Summary
1) Risk Identification Complete identification uses a structured systematic process, since a potential risk identified at this stage may not be included from further analysis. The main factor in choosing a risk analysis technique depends on the type and size of the project, the information available, the cost of analysis, the time available to analyze, as well as the experience and expertise of the analyst [4]. Quantitative Analysis Performing a Quantitative Risk Analysis is a process of numerically analyzing the impact of the identified risk of the overall project objectives. The main benefit of this process is to generate quantitative risk information to support decisions and to reduce project uncertainty. The Quantitative Analysis Process analyzes the impact of these risks on the project objectives. Tα/2 is the variable value of t with the right tail area α/2
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