K2 FastWave - Acquisition Software for use in the Field
K2 FASTWAVE Software is the acquisition software designed to work with the IDS DAD FastWave control unit (single or multi-channel) and is included in the DAD package. The K2 FastWave is able to support the acquisition of up to 8 antennas connected in chain and is able to show two radargrams simultaneously on the screen in real time during the acquisition phase. The software comes with comprehensive tools to customize the acquisition parameters and calibrate the signal of every acquisition channel.
From the initial interface the operator can estimate the propagation velocity as well as modify many other parameters. K2 FastWave is also able to continuously monitor the status of the system, providing an alarm for every possible malfunction that can happen in the field. K2 FastWave also has a dedicated tool to help the user collect data in grid mode in order to achieve the best results from the survey, mixing longitudinal and transversal scans in the post processing.
The system can be connected to GPS and is able to record the path in real time and mark anomalies: the data is stored in a dedicated folder and is easy to access in the future post processing phase.
Post Processing Software
The GRED Post processing software family is modular. Every module includes the capability of the software listed above.
GRED Basic - Recommended for generic basic post processing analysis and road pavement evaluation
GRED is an easy to use post processing software able to post process the data acquired with the IDS K2 FastWave. The software offers general tools and features and can be used for several applications from geology and archaeology to underground utility detection.
This software is equipped with basic features and is recommended for users who have to analyze data in the office and want to maximize their capability of interpretation. With this software the user will be able to process in 2D the radargram acquired in the field.
The software is able to show the B-Scan (radargram) acquired and to apply several types of filters (background removal, gain, mitigation time domain, etc.) to obtain an easier to interpret B-Scan. It is also possible to set filter macros for iterative filtering of the data. Anomalies as well as pipes can be marked directly on the interface. GRED Basic is also able to do semi-automatic layering reconstruction and insert core.
GRED 3D - An Advanced GPR Processing and Imaging Software
Recommended for pipe and utility mapping and 3D analysis of the subsurface
GRED 3D is an advanced post processing software for 3D and tomographic rendering of the acquired data.
The software is able to present a 3-dimensional view of the subsurface, with a complete set of options for navigate within it, cutting it and marking anomalies. The software is also able to export 2D plan-view slices of the subsurface from which the operator can best interpret anomalies and pipes.
The pipes and cables detected can be marked with a dedicated tool where the operator can specify a color for each pipe, its depth and an estimate of the dimensions. The marked pipes can then be visible in the 3D view, the 2D tomography slice and the traditional radargram.
The software is also able to show multiple radargrams simultaneously to enhance the capability of the interpretation.
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August 22 2014 01:57:32
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 over’s, 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 take“a”this 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 equipment’s 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