Pekanbaru City is a city located in an area that has a large enough lightning density is equal to 136 days per year with thunder, lightning strikes the ground density (Ng) reached 19.5128 strike/km2/year. Computer Center Building University of Riau is the center of Riau University data, built with a size of 47 m x 21 m x 12.4 m. In the design of the external lightning protection on buildings, there are some technical requirements that need to be considered such as; identifying the needs of a lightning protection system based PUIPP, determining the level of protection lightning protection system based on IEC 1024-1-1, finial selection, determination down conductor and grounding system. From the analysis of hazard assessment, which is an interesting area of 10395.41 m² lightning strike, the possibility of building struck by lightning strikes per year with 0,203 lightning protection system efficiency 0.507. Based on data and analysis can then be described in the protected areas of the Computer Center building good front, side, rear and top. The results obtained showed that the Computer Center building has a poor level of efficiency is based on the analysis of the rolling sphere method.
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机译：北干巴鲁市是一个地区，该地区的雷电密度足够大，等于每年136天有雷，雷击地面密度（Ng）达到19.5128罢工/ km2 /年。廖内大学计算机中心大楼是廖内大学数据的中心，其大小为47 m x 21 m x 12.4 m。在建筑物的外部防雷设计中，需要考虑一些技术要求，例如：确定基于PUIPP的避雷系统的需求，根据IEC 1024-1-1确定最终的避雷系统等级，最终选择，确定引下线和接地系统。从危险评估的分析（这是一个10395.41平方米的雷击区域）来看，每年建筑物遭受雷击的可能性为0,203雷电保护系统效率为0.507。根据数据和分析，可以在计算机中心建筑物的正面，侧面，背面和顶部保护区中进行描述。获得的结果表明，基于滚动球法的分析，计算机中心大楼的效率水平很低。
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