Sea Technology

SEP 2013

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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Needlefsh P-150 Inspects Swedish Industrial Tank ROV Looks for Problems to Avoid Plant Shutdown By A.J. Cecchettini W ith increasing demand in ROV-related operations in tech focuses primarily on inland lakes that require a small the Nordic region, Amphi-tech (Askersund, Sweden) boat and light equipment. Their aim is to map the bottom for purchased in April 2013 a Needlefsh P-150, their fourth items that can disrupt upcoming project work. They carry out vehicle purchase from Deep Ocean Engineering Inc. (San the design for the project and determine whether the work Jose, California) to date. Amphi-tech bought a predecessor, was done correctly, all while documenting the progress and one of the original Phantom completion with their ROVs. 300s (P-300), in 1997 and two The Needlefsh P-150 is lightPhantom-150e ROVs—one in weight, compact and easily Needlefsh P-150 1999 and one in 2001—that launched and retrieved. Here, an Amphi-tech's two P-150e ROVs Amphi-tech employee deploys the are all still being used today. bought in 1999 and 2001 and their recent Amphi-tech specializes in P-150 into a small access hatch. purchase in 2013 are used for the inspecthe inspection of water-flled tion of pipes and tanks in areas where it tunnels, pipelines in inland is not possible to launch the P-300. The lakes and inspections of indusNeedlefsh P-150 provides a solid plattrial tanks. Their job sites are form for its compact size, as well as highhighly varied in structure, access quality video that Amphi-tech requires for and location, so they require a their inspections. It mobile, lightweight and reliis 25 inches long, able ROV system to accompany 13 inches wide and them on the job. Their main 11 inches tall. Since customers are mainly in Nordic 1999, the design has countries, but Amphi-tech also brings their had minimal changROVs all around Europe for inspections. es. It has become It is not uncommon for Amphi-tech to lighter by switching travel more than 1,000 kilometers to a job from a polypropylsite, which places high demands on the ene frame to an aluequipment because failure is incredibly minum chassis. The costly for both the client and the contractor. chassis has a hard, Amphi-tech has a complete equipment The Phantom 300 is still being used by Amphi-tech today, anodized coating, suite for surveying, inspection and ex- almost 17 years since its purchase. making it a noncoramination of underwater fauna and their roding, very resilient associated habitats. The Phantom 300 frame. Two 120-volt that is nearly 17 years old and still in use has been used AC dimmable lights are mounted with the tilting camera for advanced internal measurement of power plant tunnels platform, which has a range of 180 degrees up and down. via sonar profling, identifcation and investigation prior to There is also the option for a fxed, rear-facing camera and construction of raw water intakes, interior and exterior inlights, which makes the P-150 maneuverable in tight conspections of water pipes, internal inspections of water-flled ditions. A four-light, super-bright display, with two forwardindustrial tanks, documentation with image and scanning, facing, fxed lights and two tilting lights can be added. and searching for missing boats and bodies. The Needlefsh P-150 is maneuvered by four, shaft-driven In recent years, seabed mapping demand has increased in 48-volt DC brushed motors in an oil-compensated thruster the commercial sector in Amphi-tech's home base. Amphihousing. The ROV is stable and easily moveable in any September 2013 / st 29

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