What you need to know when underground cables are damaged?

The fact is when underground cables are damaged it would caused dangerous to people. People can be killed and injured by an electric shock, electric arc (causing an explosion) and flames. The results from these injuries are severe burns to hands, face and body, even if protective clothing is being worn as shown in the pictures.

“Avoiding danger from underground services” (http://www.hse.gov.uk/) outlines unseen dangers arising from working near underground services – with guidance advice on risk reduction, especially concerning ground penetration or below surface operations.

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www.accumapmalaysia.com

Courtesy of pictures from google image

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Locational accuracy of underground utility mapping using ground penetrating radar

Locational accuracy of underground utility mapping is vital for the prevention of ā€œblindā€ excavation. Data acquisition from GPR scanning is the key parameter determine the exact location of underneath utilities. The picture below shows that, the results of utility detection under real world conditions.

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Ground Penetrating Radar (GPR)

What did you guys know about Ground Penetrating Radar (GPR)? or it has known as Georadar equipment.

It is the technique that uses the latest radar technology for viewing of the image the subsurface. There are a variety of media to use GPR including rock, soil, pavements, structures and etc. It can detect objects of all composition, changes in material, voids and cracks.

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Sterlingā€™s Utility ground surveying, geospatial products services expertise with Blomā€™s aerial imagery, LiDAR and 3D modelling solutions.

Both Sterling and Blom recognise that there is a combined synergy of skills and market access between the two companies which, together, create a more capable service offering. Not only is this of particular interest to the electrical transmission marketplace, but also for the utility marketplace. By extending the total capabilities of both parties a joint approach to business development and project implementation will also create greater opportunities.

The collaboration will see namely the following collective services being offered to the marketplace;

  • Geophysical survey
  • Structural survey and overhead power line survey
  • Additional ground survey resources
  • Geo-data capture services (including aerial photography acquisition and terrestrial and airborne LiDAR acquisition)
  • Data processing services and software supply and licensing where appropriate

Blom has long-established links with major engineering companies that offer services to the electricity transmission market, and has established links with a number of DNOā€™s. Sterling provides a wide range of services to this sector, including survey services, and has many of the DNOs as its established clients.

Phil Cooper, Director of Sterling commented: ā€œThe evolution of new laser technology, such as terrestrial and mobile LiDAR, will see the capabilities of surveying available to the Utility sector being more detailed and precise than has been previously possible. With the need for accurate asset condition and continual monitoring high on utility asset managerā€™s priority we are able to provide strong industry knowledge, in particular in the Energy Sector, with cutting edge spatial measurement technology and data management in the Geospatial market place.ā€

Simon Kraeter, Commercial Director, Blom UK added: ā€œWe know that the combined resources and experience that Sterling and Blom hold is an exciting prospect for DNOā€™s and believe that this collaboration genuinely offers a prospective ā€˜go-toā€™ supplier of survey services for the utilities marketplace as a whole.ā€

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Uncontrolled Open Excavation

This is what happened if open excavation is not properly planned. Pipe burst due to undetected water pipe causing water interruption to residence and commercial areas.

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First Utility Detection Equipment

Don’t be surprise one of the first locating equipment being used is hazel twig and wire rod (see pic). So simple and cost very little.. anyways the amount of utilities buried underground also is very little.

Pic courtesy of Wikipedia

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