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The Early Days of SUE The value of SUE became apparent to highway engineers when an engineering company in Manassas Park, VA, introduced the practice in 1982.The company combined two relatively new technologies- surface geophysics（近地表地球物理真空开挖马纳萨斯帕克…附近） Fairfax County（费尔法克斯县维吉尼亚州代理，中介；代理处，经销处弗吉尼亚州州政府机构维吉尼亚州费尔法克斯县弗吉尼亚州州政府机构“We discovered many years ago that the old ways of obtaining utilities information for design purposes were not working,” says Greg Wroniewicz, VDOT utility engineer. SUE does work, and we use it on nearly every highway project. 多年前我们就发现，用陈旧的方法获得地下公用设备的信息以此达到设计目的是不奏效的。交通部的工程师格雷格全国性的潜在公认的；经过验证的’s former（从前的，前者的；前任n. 模型，样板；起形成作用的铁路大亨波士顿常常可以听到说苏会革命性的方式在公路工程事业都处理。” says Jon Obenberger, FHWA preconstruction group team leader. Reliable subsurface utility data now can be provided to highway designers, and it is no longer acceptable practice to design highways or construct projects without consideration of those data. “当然他的预言成真了，”任职联邦公路管理局重建项目小组领导琼恩弗吉尼亚州特拉华州马里兰州卡罗莱纳州宾夕法尼亚州亚利桑那州佛罗里达 电脑辅助设计与绘图’s seal标志 to deliverables可交付成果可交付物责任；债务卡罗莱纳州宾夕法尼亚州亚利桑那州佛罗里达involved the introduction of the concept of the quality levels, which enabled designers to certify on project plans a certain level of comprehensiveness and accuracy for the utility information. 地下实用工程兴盛于1990年，越来越多的州开始引用，同时更多的供应商开始浮现。在这十年中最大的进步就是将质量水平这已概念引进，而这使设计师证明了在项目计划中某一水平的综合性和准确性。 ” By the end of the 1990s,however,some confusion still existed as to just exactly what SUE was. Some companies were claiming that SUE meant subsurface utility exploration or”pot-holing,” rather than subsurface utility engineering. The latter provides more accurate and comprehensive information than can be obtained by randomly digging pot-holes. Some DOTs bought into the former concept with poor results that soured them on continuing the use of SUE. 然而到90年代末，就准确度而言，地下实用工程中任然仍存在一些混乱, 一些公司声称地下实用工程意味着地下勘探工程或洞穴探险而不是真正意义上的地下工程实用。后者随机挖掘的坑洞委托美国普渡大学的记录和量化的价值,并美国土木工程师学会数据管理技术和工业,一致同意建立全国的指导来收集现有地下。Research on the effectivene