ASCE 38-02 PDF

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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Preliminary utility information gathering; Visual observation and surveying of above-ground 3802 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.

Terms and Conditions Privacy Policy iaa4faad5a5cc. Ascd introduce links to this page from related articles ; try the Find link tool for suggestions. This information, when combined with other surveyed and asde information, allows the designer to infer plan and profile information, for use in making final design decisions. The different levels are described below: Civil engineering Geotechnical engineering.

Define acse terms used in the SUE industry. This information may be sufficient to accomplish preliminary engineering goals, by helping the designer to determine where to place storm drainage systems, footers, foundations, and other design features in order to avoid conflicts with existing utilities. Singer currently owns and operates Singer Utility Engineering, P. By using this site, you agree to the Terms of Use and Privacy Policy.

Therefore, its usefulness may be limited to preliminary design reviews or to projects with minimal anticipated conflicts. Compare the various techniques used to acquire utility locations. Singer is also an instrument rated pilot. Once agreement on the work and costs is reached, the consultant must submit 3 original signed copies of the Task Proposal. Quality Level C “QL C” involves surveying visible above-ground utility facilities, such as manholes, valve boxes, posts, etc.

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State license renewal information is provided as a convenience only and is subject to change at any time. Photo examples would be a good addition showing the surveys taking place By Scott D. E What is S. The SUE process begins with a work plan that outlines the scope of work, project schedule, levels of service vs.

Subsurface Utility Engineering – Part 2: Understanding CI/ASCE

The consultant may not proceed with any work until the NTP letter has been sent out. This activity is called “locating. In both situations, a similar process is followed but the scope of the work and presentation of the information may vary. Traditional methods of dealing with subsurface utilities were not working. PAS applies to the detection, verification and location of active, abandoned, redundant or unknown underground utilities and 38–02 surface features that facilitate the location and identification of underground utility infrastructure.

The Standard ASCE 38-02

Additional information such as utility material, condition, size, soil contamination, and paving thickness also assists the designer and utility owner in their decisions. Vacuum excavation techniques are employed to expose and record the precise horizontal and vertical position of the assets.

This resulted in many unnecessary utility relocations, construction delays, and unexpected encounters with subsurface utilities. The standard defines four Quality Levels of utility data.

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S.U.E. Subsurface Utility Engineering —

It sets out the accuracy to which the data is captured for specific purposes, the quality expected of that data and a means by which to assess and indicate the confidence that can be placed in the data.

Singer has worked as a subsurface utility engineer or a utility relocations design engineer. Quality Level B “QL B” involves the use of surface geophysical techniques to determine the existence and horizontal position of underground utilities.

Slope Stability 2 hours. The ASCE standard presents a system to classify the quality of existing subsurface utility data, in accordance with four quality levels:.

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Many countries followed the U. 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 Standard Guideline for Underground Utility Mapping in Malaysia was launched in to create, populate and maintain the national underground utility database. Should be a video presentation. Quality Level B Information obtained through 38-002 application of appropriate surface geophysical techniques to determine the existence and approximate horizontal position of subsurface 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.