Long Excursion ROV Now Available
01 Feb 2006
Specialist ROV operators Subsea Vision, based in Poole, UK have added to their capabilities by introducing a high-tech inspection ROV which has the ability to travel 1.7km (5577 feet) at any one excursion and can reach depths of 1,000m.
The ROV was designed for Subsea Vision by Seaeye Marine Ltd to complete specific tasks involving inspections and surveys of long excursions. The Falcon F2 Plus is especially suited but not limited to hydroelectricity plants, water authorities and nuclear power stations. Specific applications include surveys of wells, adits, shafts, tunnels, pipelines, penstocks, outfalls, draw offs, tailrace and dam inspections, mapping and integrity surveys.
The Falcon F2 Plus incorporates subsea and surface fibre optic multiplexers and an umbilical for the transmission of both video and data over fibre optics between the surface and the vehicle. It can support the highest quality camera systems including HDTV and 3 CCD broadcast quality cameras.
For the most accurate positioning information a full inertial navigation and mapping system can be installed in an underslung skid.
Accelerometers are combined with Ring Laser Gyro (RLG) technology to produce accurate positional data from a known reference point. Doppler Velocity Logs (DVL) can also be integrated to improve accuracy and reduce the effects of drift.
The F2 is a cost effective option which may eliminate the need for a vessel when inspecting long pipelines. It can survey at greater depths (up to 1,000m) and has increased power to support the additional umbilical length, but is still as versatile as the standard Falcon ROV, allowing integration of many varied tooling packages.
Specific tasks already completed by the Falcon F2 system include long excursion adit inspection programs for various water authorities and a detailed tunnel inspection programme for a hydroelectricity company.
MJ Information No: 21531
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