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Subsurface Utility Engineering – SUE

*NC DOT Approved

We have been analyzing, planning, and designing utility systems for over 40 years.

Municipal Engineering utilizes a non-destructive air vacuum excavator to prevent damage when locating underground utilities and structures. 

Using SUE, Municipal Engineering can identify underground utilities such as:

Power

Drainage

Gas / Propane

Communication

Water / Sewer / Steam

Fiber Optic

Municipal Engineering is staffed and equipped for all four quality levels of SUE.

In 2003, the American Society of Civil Engineers (ASCE) published Standard 38-02 titled Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data. The standard defined SUE and set guidance for the collection and depiction of subsurface utility information. The ASCE standard presents a system to classify the quality of existing subsurface utility data, in accordance with four quality levels:

 

LEVEL A – NON-DESTRUCTIVE AIR VACUUM EXCAVATION

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Level A is the highest level of service and provides the highest level of accuracy.  With the use of air-vacuum excavation, damage to underground utilities traditionally caused by other digging methods is eliminated.  By knowing the exact location of utilities, the designer can sometimes make small adjustments in the design that eliminate the relocation of utilities.  NON-DESTRUCTIVE AIR VACUUM EXCAVATION is used to determine the exact horizontal and vertical location of utilities and allows the documentation of the utility type, material, size, depth, condition, location, orientation, etc.

LEVEL B – DESIGNATION

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Level B service includes the use of geophysical techniques to determine the horizontal position of underground utilities.

LEVEL C – SITE ASSESSMENT

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Level C service is more comprehensive than Level D because it involves surveying visible aboveground utility facilities and combining this information with existing utility records.

LEVEL D – HISTORICAL UTILITY RESEARCH

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This is the most basic level of service and the information comes solely from existing utility records.  Level D is limited to the accuracy of the existing records.

Other Services

Site Development

Multiple Awards for design, construction, creative use, environmental sensitivity and more….. 

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Environmental Services

Looking for Solutions? Municipal Engineering’s Funding Department has been instrumental in assisting…

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Solid Waste

Our team of engineers has provided solid waste services to over a third of the counties and many other industries and cities in North Carolina…

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