Find the most up-to-date version of ASCE at Engineering ASCE Standard Guideline for the. Collection and Depiction of Existing Subsurface Utility Data. Statement of Purpose. The American Public Works. The American Society of Civil Engineers (ASCE) has developed a National Consensus Standard titled ASCE C-I , Standard Guidelines for the Collection.
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Subsurface Utility Engineering – Part 2: 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. Support Sign In 0. Traditional methods of dealing with subsurface utilities were not working. It proceeds through the Standard emphasizing key aspects and providing well-rounded explanations of the concepts. Recognize the original individuals involved in the development of SUE.
Non-destructive surface geophysical methods are then leveraged to determine the presence of subsurface utilities and to mark their horizontal position on the ground surface. The SUE process begins with a work plan that outlines the scope of work, project schedule, levels of service vs.
This Standard establishes procedures for the mapping of utilities for the purposes of reducing the uncertainties created by existing underground utilities. 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. For initiatives involving asset management, project owners asec be missing information about their underground utilities or have inaccurate data. The standard defines four Quality Levels of utility data.
The Standard ASCE 38-02
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Singer is also an instrument rated pilot. The Standard Guideline for Underground Utility Mapping in Malaysia was launched in to create, populate and maintain 3-802 national underground utility database. Developed and refined over the last 20 years, SUE classifies information according to quality levels with an objective to vastly improve data reliability.
The first concept is the means of classifying the reliability of the existence and location of utilities already installed and hidden in the ground.
Subsurface Utility Engineering – Part 2: Understanding CI/ASCE
Singer has worked as a subsurface utility engineer or a utility aace design engineer. Quality Level A Information obtained by exposing and measuring the precise horizontal and vertical position of a utility at a specific point. It is fundamentally a traditional survey and documentation function. The Standard is supported by the Malaysian government but is not backed by an Association or governing body. Singer currently owns and operates Zsce Utility Engineering, P.
To order a copy of the standard from the ASCE website, please click here.
The concept of SUE is gaining popularity worldwide as a framework to mitigate costs associated with project redesign and construction delays and to avoid risk and liability that can result from damaged underground utilities.
This provides project owners and engineers with a benchmark to determine the integrity of utility data at the outset of an infrastructure project.
This resulted in many unnecessary utility relocations, construction delays, and unexpected encounters with subsurface utilities.
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Subsurface Utility Engineering – Part 2: Understanding CI/ASCE 38-02
As a handout or as part of a specification, it assists engineers, owners, and contractors in understanding utility quality level classifications and their allocations of risk. Photo examples would be a good addition showing the surveys taking place By Scott D.
Subsurface Utility Engineering SUE refers to a branch of engineering that involves managing certain risks associated with utility mapping at appropriate quality levels, utility coordination, utility relocation design and coordination, utility condition assessment, communication of utility data to concerned parties, utility relocation cost estimates, implementation of utility accommodation policies, and utility design.
Quality Level D Information derived from existing records or oral recollections. Views Read Edit View history.
The Standard ASCE
This ASCE standard presents a system to classify the quality of existing subsurface utility data. However, it is not necessary to have taken that course prior to this one. The practice of collecting, recording and managing subsurface data has historically been widely unregulated. The classification allows SUE providers, engineers, constructors and project owners to manage utility related risks due to existing utilities. In this situation a SUE provider would collect the required information and add it to the asset management database, according to the four quality levels prescribed by ASCE Standard This is a branch of engineering practice that involves managing certain risks associated with utility mapping at appropriate quality levels, utility coordination, utility relocation design and coordination, utility condition assessment, communication of utility data to concerned parties, utility relocation cost estimates, implementation of utility accommodation policies, and utility design.
Information obtained by surveying and plotting visible above-ground utility features and by using professional judgement in correlating this information to Quality Level D.