Stream EM multi channel Ground Penetrating Radar is a vehicle based GPR solution for utility locating and mapping with 40 separate channels for very wide area mapping of buried utilities in hundreds to thousands of hectares. The solution includes double polarized (VV and HH) antennas, to cover wide road surfaces with only longitudinal scans required to capture both longitudinal and transversal pipe & cable detection in ONE GO with the data collection at a maximum speed of 15 km/h.
STREAM EM represents the most advanced technology sub-surface tomographic radar equipment worldwide for EXTENSIVE 2D/3D UTILITY ASSET MAPPING based on massive arrays of multifrequency, multipolarized antennas setting unprecedented standards for accuracy and productivity in sub surface utility mapping.
It is easily dismountable, enabling it to be transported in a van. It can be reconfigured for mapping sidewalks and difficult areas and can also be easily adapted, by using suitable kits, for other applications such as archeological, environmental, roads and runway.
Massive array of 40 antennas in two polarizations: A massive array of 40 antennas ensures a high sampling density. This results in accurate 3D modeling of the subsurface and ease of detecting buried targets and anomalies. The use of both polarizations provides optimal detection of main and junction pipes at the same time.
Speed : Stream EM can be towed by a car up to 15 km/h (12mph). This boosts productivity as Stream EM can survey many miles per day, can be operated by 2 people, is able to run continuously without interrupting traffic and allows the crew to remain safe inside the vehicle.
Accurate to less than 5 cm (2 inches): Stream EM can be interfaced with GPS or a total station in order to accurately geo-locate the surveyed area and to individually distinguish all the pipes, cables and anomalies detected with high accuracy.
Professional Subsurface Utility Engineering (SUE) survey:Automatic transfer to CAD/GIS: Pipes, cables and buried object can be automatically transferred to CAD and GIS format with a proprietary software tool.
STREAM EM is supplied with K2 Stream FastWave, Snailnav and the GRED HD3 software suite.
K2 Stream FastWave This software is able to acquire, and display in real time, data coming from more than 48 IDS antennas. It integrates all the functions of the K2 FastWave acquisition software but can handle more inputs. This software is supplied with the control unit.
Snailnav Navigation Software The Snailnav navigation software used for GPS real time positioning is able to project GPS trajectories in real time, helping the operator to collect data with great accuracy without leaving any black spots and to avoid time wasted going over the same area more than once.
Gred HD3 Gred HD3 is specifically designed to offer an integrated framework for CAD and GIS, combining the characteristics of industrial productivity with high levels of reliability. It also offers unique features such as the creation and display of 2D and 3D tomograms in just a few minutes after the basic filtering of the raw data and the direct export of structures and objects of any generic shape to CAD or GIS maps. The software is fully compatible with any GPS or positioning data in order to obtain automatically geo-referenced data plots.
Key features include:
Real-time display of trajectories using GPS or Total Station.
2D and 3D tomography for an immediate visualization and detection of anomalies.
Automated transfer to CAD/GIS: the identified target can be automatically transferred to CAD or GIS maps for professional SUE / utility mapping.
Geolocated data information and visualization
Stream EM can be optionally equipped with the GPR-Slice software platform
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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 ...