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SLURRY

Dredger Conversion and Upgrade

Photo: Dredge Yard

Dredge Yard, a company specialized in dredging and mining components, equipment and technologies, shares insight  into the upgrading of equipment, modification of dredging system and conversion of existing vessels into dredgers.    Upgrading existing dredger systems is quite practical as it offers reusability and functionality of the old dredger with low investment. Converting an existing vessel into dredger can help in increasing the capacity and capability of the dredging companies in much lesser time with a huge saving in investment.   Dredger modifications are also needed when the dredger supplied may not meet the requirements and slight changes in the parts or systems to make it appropriate for the project requirements.   All types of dredgers can be subject for modifications, varying from replacing a single pump with more efficiency, to the whole suction/discharge system of the dredger, or converting existing barges and vessels into dredgers.   Upgrading dredge pumps  A dredge pump or sand-slurry pump is considered the heart of the dredger and plays the most vital role in the dredger’s efficiency.    Dredge Yard’s senior design engineer , Manish Jangir, said, “Latest tools in the market like CFD and optimum design calculating software have widen the paths of having an efficient pump design for the same old pump without changing any fitting parameters or the connections like the flange.”


Lake Michigan Coal-burning Ferry: Future Questioned

SS Badger: Photo credit SS Badger Company

The EPA permit that has long allowed the SS Badger to dump coal ash into the lake is now under review. On the shores of Lake Michigan, the tiny town of Ludington, Mich., is home port to the last coal-fired ferry in the U.S. The SS Badger has been making trips across the lake to Manitowoc, Wis., during the good-weather months since 1953. And as it runs, the 411-foot ferry discharges coal ash slurry directly into the lake, reports NPR.


Canal Corporation Awards Contract

New York State Canal Corporation announced that the contract for a new hydraulic cutter-head dredge has been awarded to Ellicott Dredges of Baltimore, Md. The acquisition of the new dredge is a part of the Canal Corporation's ongoing effort to upgrade its fleet and increase its dredging capacity, while complying with environmental regulations. The new dredge will be stationed in Utica, NY and will replace a 1927 DeLaVergne


Cargo Removal Ops Begin on Sunken Barge

CHICAGO, IL – The process of removing the Clarified Slurry Oil that remains on board the EMC423 barge has commenced today. This operation will be closely monitored by the Coast Guard and Illinois Environmental Protection Agency to ensure that it is safe, efficient, and will not result in further pollution. While this lightering operation is underway, the Chicago Sanitary and Ship Canal will be closed to all vessel traffic between the Cicero Avenue Bridge and Chicago Belt Railway


Barge Explodes in Chicago

An explosion onboard the EMC423 tank barge on the Chicago Sanitary and Ship Canal Wednesday evening has resulted in the presumed death of a crewmember and the closure of the waterway, the U.S. Coast Guard reported. The tank barge that exploded was carrying approximately 588 thousand gallons of Clarified Slurry Oil. This cargo is a byproduct of the oil refining process and is used to make fuel oils. It was loaded onto the barge at the Exxon Mobile Plant in Joilet, Ill


This Day in U.S. Coast Guard History – January 24

1968- Seifu Maru, a Japanese refrigerator vessel, reported a fire and requested clearance to enter Dutch Harbor, Alaska to combat it. They also reported that two crewmembers had been overcome by smoke and requested their evacuation for hospital treatment. Clearance was granted and CGC Citrus was ordered to proceed and assist in fighting the fire. The burning ship arrived in Dutch Harbor on Jan 24 and advised that the fire was raging between the decks


Port Manatee Berth 12 Dreding Underway

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Port Manatee’s Berth 12 dredging project – the final piece of the Tampa Bay port’s 11-year, $200 million expansion – enters its third week with 25 percent of the project complete. The 1,584-foot berth will be dredged to a depth of 41 feet at mean-low-water and is on target for completion in October. “This sends a message to the industry and opens the door to advance Port Manatee’s future in containerized shipping


GLS Completes USCG Repairs

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Great Lakes Shipyard Performs Emergency Repairs on USCG Aids to Navigation Barge.   United States Coast Guard Cutter MOBILE BAY of Sturgeon Bay, Wisconsin departed Great Lakes Shipyard, Cleveland, Ohio after completion of drydocking and repairs to the bow thruster on it 120-foot Aids to Navigation Barge.  The barge was hauled out on Monday, September 17th using the Shipyard’s 770-ton Marine Travelift.  


Marine Diesel Purification Breakthrough by SurePure

File photo

Liquid photopurification specialist company SurePure Inc. apprises of a breakthrough in the microbiological purification of contaminated marine diesel fuel, using SurePure's technology as an alternative to biocide addition or excessive micro-filtration. SurePure explains that the contamination of diesel fuel is a significant problem for the maritime shipping industry, leading to extensive waste of fuel and environmental contamination


Barge Captain Gets Prison Time for Fatal Explosion

An Illinois man who was captain of a petroleum barge that exploded in a Chicago canal in 2005, killing a crew member, was sentenced to six months in prison on Friday, prosecutors said.   Dennis Egan, 36, of Topeka in central Illinois, and the barge owner, Egan Marine Corp. of Lemont, were each convicted in June 2014 of negligent manslaughter of a seaman and negligently discharging oil into a waterway, according to a statement from prosecutors.  


New Submersible Pressure Sensor from AST

Image: AST

The Model AST 4530 Liquid Level Transmitter from American Sensor Technologies, Inc. (AST) is designed to measure the level of harsh liquids such as slurries, salt water and oil in vented tanks or containers. Constructed with PVDF material and a PTFE diaphragm


SMD Begins Auxiliary Cutter Assembly

Auxilary Cutter (Credit Nautilus)

Nautilus Minerals Inc. will begin assembling its third and final Seafloor Production Tool (SPT), the Auxiliary Cutter (AC), this week at Soil Machine Dynamics’ (SMD) facility in Newcastle in Tyne, UK. Nautilus' CEO, Mike Johnston said “we are pleased that the assembly of the AC


Bourbon Takes Delivery of its 500th Vessel

Bourbon Evolution 802, the second vessel in Bourbon’s 800 series. The sixth vessel in that series, Bourbon Evolution 806, marks the company’s 500th vessel. (Photo courtesy of Bourbon

Bourbon celebrates delivery of the 500th vessel, placing the group at the head of the world's largest fleet of vessels operated (vessels owned or on bareboat charter) for the offshore marine services industry. Bourbon announced the entry into service of its 500th vessel - the Bourbon Evolution


New Tanker Designs Feature Reduced Ballast Capacity

Dalian Shipbuilding Industry China yard (Photo courtesy of Lloyd’s Register)

‘Clear Advantage’ tanker design series is reported to reduce ballast requirements by 40%. Ready to be built, the designs combine operational and environmental performance improvements   Dalian Shipbuilding Industry China (DSIC), Dalian Ocean Shipping Co


U.S. Army Attributes Clean-Up Success to New Mud Cat

A major environmental cleanup has been completed at Gruber's Grove Bay, a residential and recreational area of the Wisconsin River located near Badger Army Ammunition Plant (AAP) in Wisconsin. During the cleanup, about 90,000 cu. yds. of sediment were dredged from the bottom of the 25-acre bay


Vancouver Shipyards Solves the Oily Wastewater Problem

By Rob Stephenson and Bruce Tennant, McKay Creek Tech.; and Don Hartle and George Geatros Vancouver Shipyards Co. Ltd. Vancouver Shipyards is part of the Washington Marine Group, the largest shipbuilding, ship maintenance and repair, and marine transportation company in Canada


TRAILBLAZERS: Ultrastrip Helps Clear the Way

While convention holds that the most vital marine technological advances happen in or around the engine room and bridge, the business of coating and corrosion control - stripping, preparing and applying - arguably poses the most strenuous test the marine environment offers


Emergency Ballast Water Treatment Operation

Hyde Guardian Model HG 300 Ballast Water Treatment System enclosed in 20 ft shipping container and powered by portable generator.

Fairhaven Shipyards in Bellingham, Washington purchased a barge, Lucky Angel, with the intent of towing it from China to the U.S., refurbishing it and using it as a submersible dry-dock.  The 435 ft long by 132 ft wide barge, renamed Faithful Servant, was loaded with an estimated 11


BP Releases Internal Investigation

BP released the findings of its internal investigation into the Deepwater Horizon explosion and oil leak in the Gulf of Mexico. The company said no single factor caused the Macondo well tragedy. Rather, a sequence of failures involving a number of different parties led to the explosion and fire


Nautilus Forms Strategic Partnership, Secures Vessel

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Toronto, Ontario, April 13, 2011 - Nautilus Minerals’ plan to open a new frontier of seafloor resource production has taken a major step forward, with the formation of a strategic partnership with German shipping company Harren & Partner (“Harren”).  


Transocean: Internal Report Released on Macondo Spill

Transocean Ltd. (NYSE: RIG) (SIX: RIGN) announced the release of an internal investigation report on the causes of the April 20, 2010, Macondo well incident in the Gulf of Mexico. Following the incident, Transocean commissioned an internal investigation team comprised of experts from relevant


Transocean Issues Findings on Macondo Incident

Transocean Ltd. has announced the release of an internal investigation report on the causes of the April 20, 2010, Macondo well incident in the Gulf of Mexico.   Following the incident, Transocean commissioned an internal investigation team comprised of experts from relevant technical fields


Allen Marine's Groundbreaking Aluminum Floating Dry Dock

Allen Marines Floating Aluminum Dry Dock

Allen Marine, Inc. has announced the construction of the world's first aluminum floating dry dock. This fully self-contained, eco-friendly unit represents a major breakthrough in boat-lifting equipment.   The aluminum floating dry dock is the brainchild of CEO David Allen


IHC Merwede Presents Integrated Vessels

The IHC Merwede stand (number 2625) will feature a diverse range of innovative vessels, advanced equipment and life-cycle support activities at this year’s Offshore Technology Conference (OTC).   The company is exhibiting at the annual event in Texas, USA


Deep Sea Mining Agreement Reached

Deep sea minerals PNG: Image Nautilus

The opening of the world's first mine in the deep ocean comes closer to reality as Canadian mining company, Nautilus Minerals, signs an agreement with the Papua New Guinea Government to start excavating an area of seabed. The project will extract ores of copper






 
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