Aqua Survey can deploy buoys over targets of interest in real-time, process data to classify targets, and provide electronic files and printed surveys.Įngineers and project managers concerned about MEC should take full advantage of Aqua Survey’s on-water markout services prior to penetrating an estuary bed, riverbed, lakebed or pond bottom. By utilizing an array of one-meter receiving coils, Aqua Survey can process lanes up to six-meters wide.ĭGPS and USBL electronics are used to geoposition the system to allow for accurate charting and re-acquisition of targets. Large high-powered transmission and receiver coils (based on EM61-MK2HP technology) provide significant sub-bottom detection distance. Aqua Survey owns and operates submersible high-powered electromagnetic detection systems that can be towed on the water’s surface or along the bottom. Submerged and buried unexploded ordnance (UXO) and other munitions and explosives of concern (MEC) pose physical, environmental and human risks. We have the right people, tools and attitude to get you what you need when you need it. We offer you a single source solution for underwater UXO/MEC/MC investigations. Our goal since 1975 has been to get your project done safely, professionally, on-time and on-budget to make you look good.
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We are scientist-mariners by trade and understand how to effectively conduct UXO/MEC/MC surveys below the waterline. Typical tools for on-water markout may include: Take full advantage of Aqua Survey’s on-water markout services prior to penetrating an estuary bed, riverbed, lakebed or pond bottom with earthmoving equipment, piles, drill strings or sediment coring equipment (e.g., vibracoring). The use of markout services to protect utilities can never eliminate the possibility, but can greatly reduce the probability, of a utility being damaged. Complicating things further, and adding an unacceptable level of uncertainty, pipeline routes have been known to shift from their original placement due to heavy storm surges and other forces.
“As-built” plans generally do not exist for older submerged utility runs. Available markout services rarely flag utilities past the banks of a waterway. Urban waterways are riddled with submerged and buried utilities. We perform hydrographic surveying services to support:Īn on-water markout can greatly reduce the probability of sampling equipment making contact with or damaging a utility. Historically, bathymetric surveying was performed to chart the physical features of water bodies to allow vessels to navigate safely. Bathymetric surveys provide clients with an accurate relief map of a pond bed, lakebed, riverbed or other area of interest. The delay in the sound’s return to the surface is translated into water depth. Hydrographic sonar equipment emits sounds that travel to the bottom (depth of the water) and then bounce back to the sounder at the surface. HYPACK software is used for vessel control and tracking. Real-Time Kinematic Differential Global Positioning Systems (RTK-DGPS) can be used to provide centimeter-accurate vertical and horizontal control. Aqua Survey provides board-certified hydrographic/bathymetric surveying services worldwide, with experience surveying rivers, lakes, estuaries, streams and ponds.
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