The American Society of Civil Engineers (ASCE) has developed a National Consensus Standard titled ASCE C-I , Standard Guidelines for the Collection. ASCE Standard Guideline for the. Collection and Depiction of Existing Subsurface Utility Data. Statement of Purpose. The American Public Works. of utility data to concerned parties, utility relocation cost estimates, implementation of utility accommodation policies, and utility design. (CI/ASCE 02).
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Professional Organizations No results found. It is the ultimate responsibility of the individual to be sure that he or she is meeting continuing education requirements for each license and corresponding renewal period. Singer currently owns and operates Singer Utility Engineering, P. Information obtained by surveying and plotting visible above-ground utility features and by using professional judgement in correlating this information to Quality Level D. The ASCE standard presents a system to classify the quality of existing subsurface utility data, in accordance with four quality levels:.
Explain the responsibility of the project owner, engineer, subsurface utility engineer and axce owner relative to existing utilities on construction projects. This activity is called “designating”. Preliminary utility information gathering; Visual observation and surveying of above-ground utility facilities; Surface marking of buried utilities; Exposing and surveying the location of buried utility facilities; Utility facility mapping and CADD drawings; Utility relocation planning and design.
SUE is mainly used at the design stage of a capital works project and when information is being collected for asset management purposes.
ASCE sets out guidelines for how 388-02 qualify the accuracy of mapping existing infrastructure and relay that information to a drawing. Engineer on June 21, PAS applies to the detection, verification and location of active, abandoned, redundant or unknown underground utilities and associated surface features that facilitate the location and identification of underground utility infrastructure.
Identify the quality levels of SUE. Retrieved from ” https: It combines two basic concepts.
It is not appropriate to contact both consultants with the intention of soliciting competing cost estimates. Information obtained by exposing and measuring the precise horizontal and vertical position of a utility at a specific point. The services that can be provided through either of these contracts include: Home About Us About S. No formal procedure has been established for CDOT personnel to follow in selecting one consultant versus the other for a particular project, but over the term of the two NPS contracts 2 yearsapproximately equal utilization of each firm is desirable.
This activity is called “locating. Each Quality Level represents an improvement over the previous level D the lowest, 83-02 the highest.
Its usefulness may be limited to early design stage project planning and route axce activities or to projects with minimal planned excavations. Subsurface Utility Engineering – Part 2: Interested in getting the latest industry news? Click on the Quality Levels tab above for definitions.
The Standard ASCE
When using this information, it is not unusual to find underground utilities that have been either omitted or erroneously plotted. Singer has worked as a subsurface utility engineer or a utility relocations design engineer.
The Standard is described as a collective framework for best practices to map, depict and manage records across Canada. This article is an orphanas no other articles link to it.
Quality Level C “QL C” involves surveying visible above-ground utility facilities, such as manholes, valve boxes, posts, etc. The services that can be provided through either of these contracts include:. Combining these concepts will lead to a continual reduction in the risks created by underground utilities during future projects involving excavation of any kind.
The standard closely follows concepts in place in the SUE profession. Quality Level B “QL B” involves the use of surface geophysical techniques to determine the existence and horizontal position of underground utilities. The course also elaborates on some of the subject matter and the techniques used in the acquisition of utility data.
ASCE | T2 Utility Engineers
In choosing which consultant to use, factors such as specific consultant capabilities, and the ability of the consultant to meet desired timeframes for commencing and completing the SUE work may be considered.
Quality Level A “QL A ” involves the use of azce digging equipment at discrete, critical points to determine the precise horizontal and vertical position of underground utilities, as well as the type, qsce, condition, material, and other characteristics. By knowing exactly where a utility is positioned aace three dimensions, the designer can accurately determine the extent of a utility conflict, or can often make small adjustments in elevations or horizontal locations and avoid the need to relocate utilities.
Its systematic use can provide both a means for continual improvement in the reliability, accuracy, and precision of future utility records; and immediate value during project development. The standard defined SUE and set guidance for the collection and depiction of subsurface utility information. Compare the various techniques used to acquire utility locations. Therefore, its usefulness may be limited to preliminary design reviews or to projects with minimal anticipated conflicts.
Quality Level C Information obtained by surveying and plotting visible above-ground utility features and by assce professional judgement in correlating this information to Quality Level D. It was common practice to design projects without consideration of any utilities and to then deal with them during construction.
State Licenses No results found. Utility information that ascr collected and presented following this classification system can be readily interpreted by a ssce familiar with this standard. Additional information such as utility material, condition, size, soil contamination, and paving thickness also assists the designer and utility owner in their decisions. Two-dimensional mapping information is obtained.
ASCE Standard 38-02
The ASCE standard presents a system of classifying the quality of existing subsurface utility data. In June,the Standards Australia Committee IT on Subsurface Utility Engineering Information launched Standard Classification of Subsurface Utility Information to provide utility owners, operators and locators with a framework for the consistent classification of information concerning subsurface utilities.
It further correlates utility records and surface topographical information, and may also help reveal unrecorded lines. For initiatives involving asset management, project owners may be missing information about their underground utilities or have inaccurate data.