JW Fishers ROV's Provide 'In Depth' Solutions
US-based ROV provider, JW Fishers, report its Sea Otter ROV's go deep for government & industry. The company report that many and varied organizations are acquiring ROVs to assist in their underwater operations. These highly maneuverable remote operated vehicles perform a variety of tasks at depths of 1,000 feet or more. Deploying an ROV instead of a diver can reduce the cost and increase the safety of any search or inspection operation. One of the tools helping the US Army Corps of Engineers in its inspection and maintenance operations is Fishers SeaLion ROV.
Police and Dive Teams Rely on Underwater Search Equipment
Many government agencies and public safety dive teams are adding underwater search equipment to help make their operations easier, safer, and faster. Maricopa Sheriffs Department in Arizona, Downe Township Fire Rescue in New Jersey, the Fairhaven Massachusetts Harbor Master and the South Carolina Law Enforcement Division are a few of the diverse group of agencies using metal detectors, video cameras and sonars in their underwater search operations. Deputy Jeff Hanson, leader of the Maricopa County Sheriffs Department dive team…
Law Enforcement Captures Underwater Search Equipment
The tools law enforcement agencies use to investigate crimes and ensure public safety are critical to their success. Police departments and sheriffs offices around the country are adding underwater search equipment to ensure their dive teams have the proper equipment to safely and effectively do their jobs. The two high tech tools in greatest demand are the side scan sonar and ROV. Sonar is one of most effective tools for underwater search and recovery (S&R) because it can scan large areas quickly and “see” what’s on the bottom regardless of water clarity.
JW Fishers’ ROV’s ‘In Depth’ Solutions
US-based supplier JW Fishers reminds that ROV deployment may prove safer & cheaper than diving. The company quote many examples to back up their statement, including one where the US Army Corps of Engineers (USACE) use a Fishers SeaLion-2 to help in underwater maintenance of Ice Harbor Lock and Dam in Washington State.The dam is more than 2,800 feet long and 100 feet high and provides hydroelectric generation, recreation, and irrigation for the area’s residents and businesses. One of the tools helping the Corps in its inspection and maintenance operations is Fishers SeaLion ROV.
Jack W. Fisher Passes Away at 73
Jack W Fisher, president of JW Fishers Mfg. passed away at home after a brief illness on February 20, 2015. He was 73 years old. The JW Fishers business was started because Fisher, an avid diver, needed an underwater metal detector to use on a salvage project in the mid 1960s. He discovered there was no such device available. Over the next several years he designed and constructed his own underwater metal detector. JW Fishers Mfg. was formed and Jack began building and selling his detectors to other divers.
JW Fishers' Side Scan Sonars Key in Somali Port Mine Clearance
JW Fishers inform that Bancroft Global Development is using its side scan sonars to locate and make safe Somalia's harbor in the capital city, Mogadishu, which was heavily mined during the civil war in that country. Somalia's Transitional Federal Government (TFG) launched the Mogadishu Port Rehabilitation Project and assisting in this work is Washington-based Bancroft Global Development, an organization that receives some funding from the United Nations and the US State Department.
Expanding Underwater Search Capabilities
Over the past year a number of Asian companies and government agencies have acquired underwater search equipment to aid in the location of lost objects and assist in performing survey operations. In China, Guangzhou Advanced Maritime Academy has added a remote operated underwater vehicle (ROV) to their program. Reforms and opening to the outside world have paved the way for development of the country’s shipping industry. The throughput of cargo and containers at China’s ports has been the largest in the world for the past five years with an annual growth rate of 35%.
US ROV's Invade South America
Subsea Engineering in Santiago, Chile is one of many South American enterprises and military establishments adding ROVs in an effort to expand their operational capabilities. The company offers a complete package of design and construction services including the building of pipelines and installation of submarine power and communications cables. Owner Pedro Campos is a certified Naval and Marine Engineer, and a member of the International Association of Diving Contractors. Campos says “performing underwater operations in my country is complex and challenging.
Universities, Environmentalists get Help From Underwater Cameras
More universities and environmental groups are using underwater video systems to assist in their research and monitoring operations. These cameras can be very useful tools in studying benthic habitats and marine organisms, and to monitor the impact of pollution on the environment. Darling Marine Center is the marine laboratory at the University of Maine. Home to world renown research and education, the facility is situated on the shores of the Gulf of Maine with its diverse intertidal habitats.
Attach a Transponder to Relocate Underwater Assets
JW Fishers, manufacturers of underwater search equipment, advise that transponders make locating underwater objects easy. Attempting to relocate underwater objects in a low visibility environment can be a difficult and time consuming task. Acoustic transponders solve this problem. Not long ago transponders were expensive pieces of equipment used primarily by the military, oil and gas industries, and oceanographic institutions. Today these underwater locating beacons are being employed by a wide range of users including commercial diving companies…
JW Fishers Win More UMD Contracts
Police departments & sheriffs offices around the country are adding underwater metal detectors (UMD) to their crime-fighting armory. An essential tool for locating evidence disposed of in a waterway, metal detectors routinely assist police divers in finding weapons, shell casings, stolen objects, and explosive devices, inform JW Fishers. One group having great success with the underwater metal detector is Houston County Rescue in Webb, Alabama. Team members are highly trained public safety divers that provide assistance to law enforcement…
Historic Great Lakes Shipwreck Possibly Discovered
Steven Libert, president of the Great Lakes Exploration Group, announced he has located what is believed to be the remains of Le Griffon, the first European ship to have sailed the upper Great Lakes. The 45-ton barque carrying seven cannons was built by the legendary French explorer Rene-Robert Cavalier, Sieur de La Salle who was attempting to establish a Northwest Passage through Canada. La Salle wanted to provide a faster way to connect France with its trading partners in the Far East and Le Griffon was to be a vital link in the route between Niagra and Illinois.
JF Subsea Inspects Shell Oil Rigs with New ROV technique
James Fisher Subsea (JF Subsea), a world leading subsea services division of James Fisher Marine Services (JFMS), has reduced inspection downtime to 2% for Shell UK, through the innovative use of asset-based remotely operated vehicles (ABROVs) on oil rig inspection programmes in the North Sea. Traditionally, oil rig inspections are undertaken using a dedicated remotely operated vehicle support vessel (ROVSV), on which an ROV is secured. To remove the need of a ROVSV and the hazards involved with securing an ROV to the offshore platform…
Ship Repair & Conversion Report
Subsequent to the departure of Holland America's Statendam in April, Cascade General took in Crystal Cruises' Crystal Harmony for a 10-day stopover in May. The 10-year-old ship underwent maintenance and overhaul work below its waterline, extensive interior remodeling and steel replacement for pool areas on Deck 11. With maximization of work in mind, Cascade normally sends advanced crews to join cruise ships on their way to the yard's Portland, Ore. locale. This time though, the first mobile crew met the ship in Los Angeles, where work commenced immediately on an overhaul of one of Harmony's auxiliary boilers. A second team was then summoned to San Francisco to clean ballast tanks before undertaking structural repairs and preservation work. easuring 790 ft.
James Fisher Wind Farm Support Vessel Named
James Fisher Marine Services’s (JFMS) multipurpose wind farm support vessel, Dart Fisher, has been formally named by the vessel’s Godmother Maria McCaffery MBE, CEO of RenewableUK at a dedication service held at Griffon Hoverwork, Southampton. The service, attended by customers, partners and The Right Worshipful the Mayor of Southampton, Councilor Sue Blatchford was delivered by Mission to Seafarers chaplain John Attenborough and marks the completion of significant investment…
China Buys Side Scan Sonar
China’s state owned Guangdong Construction Engineering Group (GCEG) has purchased JW Fishers side scan sonar system. The sonar is being used to the map the bottom of various waterways before and after construction projects. It is providing engineers with information on the make up of the bottom (mud, sand, rock, etc.), as well as helping to locate and identify debris or any obstructions. Using Fishers side scan sonar and Sonar View software, GCEG engineers are able to produce detailed maps of the bottoms of rivers, lakes, and the ocean. The sonar images can be displayed on a standard laptop computer or Fishers Splashproof PC with ultrabright LCD display.
Boat-towed Detectors Assist Researchers and Salvors
A number of archaeological groups and marine service companies are acquiring boat-towed metal detectors to assist in locating shipwrecks and to perform geophysical surveys. These devices can locate a variety of targets including the piles of magnetic ballast stones found on many old wrecks, gold and silver bars, cannons, anchors, pipelines, cables, and various metal debris which must be removed from an area before dredging. The two primary pieces of equipment used in these operations are a magnetometer and pulse induction (PI) metal detectors.
Diving Companies Track Pipes and Cables
WJ Castle PE & Associates Castle was recently subcontracted by Brayman Construction to perform an inspection and document the underwater conditions at a utility’s proposed site for a diffuser pipe extension. Using JW Fishers CT-1 cable tracker and PT-1 pipe tracker, Castle’s team of divers searched for a high voltage power cable and pipeline running through the area. Complicating the job was the excessive amount of debris littering the site, including steel plates, beams, and wire rope. Also close by were a seawall, constructed of steel-reinforced concrete and steel plates. Very high concentrations of ferrous metal in the area prevented the use a standard magnetometer, as it would be impossible to locate individual pieces.
Marine Industry Employs Boat Towed Detectors
Many marine service companies are acquiring boat-towed metal detectors and magnetometers to assist in salvage operations and geophysical surveys. These devices can locate a variety of targets including sunken vessels, ship anchors and propellers, pipelines, cables and metal debris which must be removed from an area before dredging. The two primary pieces of equipment used in these operations are a magnetometer and the pulse induction (PI) metal detector. Magnetometers are super sensitive instruments that can detect iron and steel objects at hundreds of feet away.
Side Scan Training for Law Enforcement, Government Agencies
Many public safety dive teams, police and sheriffs departments, and government agencies are acquiring side scan sonar systems to assist in their underwater search and survey operations. Side scan is the ideal tool for these operations because it produces detailed images of the underwater environment regardless of water clarity. In addition, the sonar is able to search large areas quickly, scanning several hundred feet of ocean, lake, or river bottom with each pass of the boat. Side scan can easily locate a variety of targets including sunken boats, submerged vehicles, and drowning victims.
ROV Aids Environmental Groups
A coalition of environmental groups from New York and New Jersey are using Fishers SeaOtter ROV to gather evidence on the state of the marine environment in the area’s coastal waters. “One of our main concerns is the use of contaminated material to fill holes in the bottom of New York harbor that were created by previous dredging operations”, says spokesman Frank Crescitelli. “Our other concern is the dredging operations that remove contaminated material from the bottom. Frank operates the charter fishing boat, Neptune’s Champion, out of Staten Island and is also the vice president of the Staten Island chapter of the Coastal Conservation Association (CCA).
ROV Helps Solve Lake Seneca Mystery
Aquatic Center of Rochester is a full service dive shop in Henrietta, NY. In addition to carrying a complete line of scuba equipment, and offering full range of scuba training courses, company owner Joe Plano also provides ROV inspection services. Several years ago Joe purchased his Fisher SeaOtter ROV to perform an inspection on one of New York’s barge canal system locks. The job involved penetrating a tunnel at the bottom of the 40 foot deep lock to locate and examining a 1/2 ton steel gate that had jammed in the open position.
Commercial Divers and Police Assisted by Metal Detectors
Randive, a commercial diving company based in New Jersey, is employing underwater metal detectors in their search and salvage operations. The company was founded in 1959 by Randor Erlandson, and in the early days focused primarily on the needs of the maritime industry around the ports of New York and New Jersey. In the decades since, the company has greatly expanded its operations increasing its staff to 16, and adding as its clients some of the largest shipping companies in the world.