The term Utility refers to a useful thing that provides an advantage to the person, place, or thing that is implementing it. The utility in this context is a public utility that serves useful purposes to the common person, neighborhood, or city. An example of your local utilities could be: water, sewerage, gas, electricity, and phone/cable lines. The installation and proper use of these utilities are comprehensive and complex networks that have been usually installed by the engineers underground or above surface with the intent of uninterrupted use of them.
In the case of water, sewer, and gas, there is a complex structure of pipeline comprising of various diameters at various depths underneath the ground that are present. The term surveying is looking at something analytically and carefully that the human eye cannot analyze without using technology. So collectively “utility surveying” means the act of careful observation of the utilities and the network structure installed for the transportation of those utilities in a particular area.
Underground Utility Surveying:
This type of survey includes an onsite investigation to figure out exactly where the utilities are buried under the earth. Furthermore, these utilities can be years old and need to be reevaluated for safety purposes in order to move on with a project.
The Reasons To Carrying Out Underground Utility Surveys:
There are several reasons why you need to perform different surveys to locate these utilities. This includes figuring out where the utilities are, and in case there is a leakage, it can be identified in a certain utility network in order to fix it promptly. If a new piping network is to be installed then it is absolutely necessary to find out where the previous pipes are. If some of the gas pipes are damaged during the digging and mining process, there can be a serious harm to the workers, residents, and the land. To ensure the safety of the public and the team working on the project these surveys need to be carried out by a professional company.
Techniques Used For Utility Surveying:
There are different types of technologies being used for the determining the location of buried pipeline networks and cabling structures. All the technologies have their different pros and cons. Depending on the land area and the different factors involved, the suitable type of methodology will be selected by the engineers. These usually include the ground penetration radar and usage of electromagnetic or radio waves for the underground surveying purposes.
Factors Affecting The Selection Of Techniques:
There are different factors affecting the surveys including the type of land where the survey is being conducted, the type of survey being performed, the topography of the land, soil conditions, and the depth of utilities. Sometimes the electromagnetic technology fails to carry out accurate results so the alternative radio waves technology is utilized to get precise and accurate measurements.
Health and Risk Issues to be Considered in Surveying:
While performing the UUS (underground utility surveying) certain things must be kept in mind:
- The surveying work must be confined to particular area
- Great care of gas detection must be kept under consideration
- Traffic management must be considered.
Different Levels of Surveys that can be Carried Out:
- Level 1: Searching the company records for the results
- Level 2: Using an electromagnetic locator to identify underground utilities
- Level 3: Mapping the level 2 survey on Computer Aided Design
- Level 4: Level 3 survey with lifting manholes and covers of pits. All work to be done on CAD
- Level 5: Level 4 survey with defines area coved with radar technology
- Level 6: Level 1 and level 5 surveys with complete 100% defined survey area covered with radar technology.
- Underground surveys are onsite investigations to figure out where the utilities are buried under the earth.
- Surveys are carried out to mainly figuring out where the utilities are.
- EML and GPR are commonly used surveying techniques.
- Different factors influence the type of survey which should be carried out.
- Health regulations must be kept in mind while surveying.There are 6 different levels of surveys.
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