JE FULLER
为牧场上的房屋进行经济有效的洪泛区分析
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JE Fuller is a multi-disciplinary engineering firm with several offices in Arizona and New Mexico and experience with a broad range of engineering projects around the world. From hydrology and hydraulic analyses to dam safety and watershed planning, the firm provides comprehensive environmental services for projects of all scale and scope. For a company that tries to help a variety of clients, the ability to deliver cost effective solutions for customers with smaller budgets is also important. This factor recently came into play with a project involving a single-family homeowner (SFH) proposing to make improvements in a regulated floodplain.
亚利桑那州独特的洪水灾害
Very real flood hazards exist in parts of Arizona. As the Pima County Regional Flood Control District website points out, a 2017 study showed that over the last 20 years, Pima County comes in eighth in the U.S in terms of number of flood related deaths. Rain events can quickly become hazardous and flash floods are common throughout the year. Special Flood Hazard Areas (SFHA) known as “sheet flow floodplains” present particular risks to people and property. These are areas characterized by minimally defined channels, known as “washes”, that are not large enough to carry and contain base flow. Sheet flow areas allow flood water to spread out in broad sheets over large surface areas where it can flow in unpredictable directions, sometimes to depths of six inches or more. These flood hazards present real danger to human life and to property as well. Moving floodwaters can undercut building foundations and cause other serious structural damage.
皮马县洪泛区和侵蚀危害管理条例》对有片状洪水的地区进行管理，并要求业主在规划可能引水和/或造成有害地表流模式的项目时，必须获得洪泛区使用许可 (FPUP)。
关于 JE Fuller
JE Fuller 由杰出的工程师和地貌学家 Jon Fuller 于 1995 年创立。乔恩在工作和生活中形成了一套与他的待人接物观点相匹配的方法。多年来，他找到了志同道合的人一起工作。2013 年，乔恩将公司出售给他的员工，创建了现在这家由员工拥有、以客户为导向的公司，以个性化的方式提供广泛的水文和地貌专业服务。
皮马县的独户住宅业主、游泳池和片流
皮马县区域防洪控制区 (PCRFCD) 警告业主说，前业主安装的几堵现有墙壁可能会对洪水流量产生不利影响。JE Fuller 受聘进行所需的水文分析，以证明现有结构和拟建的游泳池都不会造成破坏性的水流动态，也不会对毗邻物业产生不利影响。
Engineers Gramza and Casey made clear throughout the interview that they are exacting “task-masters” for whom quality control is extremely important. In Gramza’s words: “Steve and I are very particular. We take our modelers to task if they take short shortcuts. Results we can stand by and trust are very important to us.”
That’s a guiding principle for everything we do at CivilGEO as well.
模型即时操作
在模型的其他部分，罗德使用了二维非稳定流功能来显示物业边界周围和内部的水流运动。此外，还添加了物业上的结构，如物业墙、住宅和拟建的游泳池，以模拟结构对地表水流的影响。借助 GeoHECRAS 直观的用户界面，Rod 可以轻松操作模型的不同元素，查看不同的流动动态。模型很容易重新配置，只需极少的输入就能生成不同的方案。这些调整完全可以即时进行。由于分析足够全面，PCRFCD 在没有修改场地规划或改变现有墙壁和结构的情况下接受了该项目。GeoHECRAS 的可视化图形可以轻松导出，并纳入提交的许可申请中。毋庸置疑，业主对这一具有成本效益的结果非常满意。
"我做过很多这类项目。如果我能在 3 或 4 个小时内为业主完成洪泛区分析，以证明未来的车库不会被洪水淹没，那么大家都是赢家。GeoHECRAS 的速度和工具让我有能力以经济可行的方式完成这些工作，为小业主带来好处。这些房主真的需要你的快速和经济可行"。
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