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HowdoseSUEwork?Asanengineeringpractice,SUEenablesstatesanlocalDOTs,designconsultantsa...
How dose SUE work ?
As an engineering practice ,SUE enables states an local DOTs, design consultants and utility companies to locate exciting subsurface utilities with a high degree of accuracy and comprehensiveness 。SUE combines elements of civil engineering ， geophysics， and surveying. It uses surface geophysical methods (quantitative physical methods designed to interpret ambient or applied energy fields), mapping technologies such as computer-aided design and drafting（CADD）and geographic information systems (GIS), and vacuum excavation(pressurized air or water used to break up and lift soil out of the excavation area). When used properly, SUE can minimize project-utility conflicts and reduces project delays.
The SUE provider, who could be a DOT staff member but most likely is a private engineering consultant, begins by conducting extensive research of utility records to identify facilities that might affect the project under development.
The provider then obtains pertinent as-built information from utility owners and plots the resulting information on a utility composite drawing or its equivalent. The result is base-level information, termed quality level D(QL-D).
The next step involved field observations to identify visible aboveground utility features, such as manholes, valve boxes, and fire hydrants. The SUE provider surveys these observed quality level C (QL-C) features, correlates them with the previously obtained QL-D information, and resolves any discrepancies.
Next, the SUE provider uses appropriate surface geophysical methods such as pipe and cable locators, terrain conductivity methods ,mental detectors, and ground-penetrating radar to designate existing subsurface utilities or to trace a particular utility system. Weather, terrain, and utility depths, types, and materials influence the methods required, the types of equipment needed, and the cost. Several methods and types of equipment often are required for any given project. The SUE provider surveys the resulting quality level B (QL-B) information, correlates it with the QL-D and QL-C information, resolves discrepancies, and depicts it in the client’s CADD system, GIS databases, or onto plan sheets or other relevant documents.
The SUE provider next develops a matrix showing all possible highway-utility conflicts. This step 展开
As an engineering practice ,SUE enables states an local DOTs, design consultants and utility companies to locate exciting subsurface utilities with a high degree of accuracy and comprehensiveness 。SUE combines elements of civil engineering ， geophysics， and surveying. It uses surface geophysical methods (quantitative physical methods designed to interpret ambient or applied energy fields), mapping technologies such as computer-aided design and drafting（CADD）and geographic information systems (GIS), and vacuum excavation(pressurized air or water used to break up and lift soil out of the excavation area). When used properly, SUE can minimize project-utility conflicts and reduces project delays.
The SUE provider, who could be a DOT staff member but most likely is a private engineering consultant, begins by conducting extensive research of utility records to identify facilities that might affect the project under development.
The provider then obtains pertinent as-built information from utility owners and plots the resulting information on a utility composite drawing or its equivalent. The result is base-level information, termed quality level D(QL-D).
The next step involved field observations to identify visible aboveground utility features, such as manholes, valve boxes, and fire hydrants. The SUE provider surveys these observed quality level C (QL-C) features, correlates them with the previously obtained QL-D information, and resolves any discrepancies.
Next, the SUE provider uses appropriate surface geophysical methods such as pipe and cable locators, terrain conductivity methods ,mental detectors, and ground-penetrating radar to designate existing subsurface utilities or to trace a particular utility system. Weather, terrain, and utility depths, types, and materials influence the methods required, the types of equipment needed, and the cost. Several methods and types of equipment often are required for any given project. The SUE provider surveys the resulting quality level B (QL-B) information, correlates it with the QL-D and QL-C information, resolves discrepancies, and depicts it in the client’s CADD system, GIS databases, or onto plan sheets or other relevant documents.
The SUE provider next develops a matrix showing all possible highway-utility conflicts. This step 展开
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这也太多了，挑几句不会的帮你译
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