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January 20 2020 13:37:16
Mapping of Underground Utilities
As built maps of utilities are made in reference to specific points, which become null and void as the civic layout changes. Most times, such maps do not even exist.
The utilities are often confronted with the task of ensuring expansion of buried services, without knowing the locations or routes of their utility assets. The contractor is bestowed the responsibility to execute the work of new installation of cables or pipes or even over ground structures such as fly overs, freeways or buildings without damaging existing buried cable and pipe utility services.
The task faced by the contractor (or the user i.e the utility itself) is applicable to all types of utilities and especially buried utilities such as water pipes, sewer pipes, power cables etc. The onus of avoidance of buried utilities is of the contractor.
Many a contractor recognize that they are faced with the task of mapping ...
When is a ground penetrating radar beneficial in locating of underground pipes & cable utilities ?
The task of Locating underground utilities can be bifurcated into two deliverable:
1.Detection of underground utilities
2.Mapping of underground utilities
If we takeathis can be further subdivided into:
1. Detection of metallic cables & pipes, whether energized current carrying utilities or non energized utilities such as signaling cables, metallic pipes etc.
2. Detection of DI pipes, metallic manholes etc.
3. Non metallic HDPE telecom pipes, fiberglass manholes, etc.
Underground cable & pipe utility locating requires the use a combination of various equipments and techniques which need to be chosen based on desired deliverables and then correctly employed to obtain the desired results.
If the answer is i, an operator with basic training on usage of the ever dependable CSCOPE DXL2 Cable avoidance tool or CAT33XD Cable avoidance tool, can do the job blindfolded.
If the answer is ii, an additional metal detector &/or magnetic locator is required.
If the answer is iii. The use of a ...
The civic layout of India based on the growing need for housing and roads has changed beyond recognition. As a result As-built maps of underground utility assets, if existing , have been rendered redundant and cannot be used for reference for presence of buried utility assets.
Jcb Excavators or manual labour at work in the country are digging in the blind at most times, at the peril of significant safety concerns of digging directly into live high voltage cables. Such cuts of buried cables can lead to , in order of priority , fatality to the person excavating and serious losses to the company who has taken the work contract. Not to mention the relative inconvenience to the citizens.
The underground space is a jungle of energised power cables, dead power cables, water pipes, jelly filled telephone cables and optical fiber cables. The detection of these assets is ...