You are currently browsing the category archive for the ‘dredging’ category.

Thanks again to Barrel for sending another dredge photo.  These photos send me looking for background.  So here is what I can figure.

0abdrgDavidson Sasebo JapanNov1951

Davison (records say Davidson, but I’ll go by what I see in the photo above) was built by Dravo in Wilmington DE in 1945.  She was dispatched to Korea in 1951 because of the extreme tides in Inchonaverage range is 29 and extreme range is 36 feet.

Again thanks, Barrel.

I remember the day I first saw McFarland, coming up the Delaware, the largest dredge I’d ever seen.  Barrel has recently sent along earlier generations–as I see it–of the big Mac.

Let’s start with Goethals, built in 1937.

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Then there was Markham, seen here just prior to launch, and

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here she traverses in icy waters.  Can dredge operations proceed with ice?

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Here she pumps out.  Markham was reefed off North Carolina in 1994.

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McFarland went into service in 1967.  Her operations are described here by the skipper.

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Here she’s at work on the Delaware River.  This method of discharging is called side casting.

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Here she’s preparing to discharge into the transfer barge.

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All these photos come via Barrel.

For more background on these federal dredges, click here.

 

 

Here’s Ocean Traverse Nord, 213′ loa and a trailing suction hopper dredge built in Quebec City in 2012.

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photo taken on St. Lawrence in June 2015

Here’s Manhattan, trailing suction hopper dredge built in Sparrows Point in 1904, hull #43.

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And this is Atlantic, hull #44, also from Sparrows Point.

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Finally, Dodge Island, loa 275′ and built in Slidell LA in 1980.

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photo taken off New Jersey in November 2015

Thanks to Barrel for the archival photos;  the two color photos by Will Van Dorp.

Related:  click here for lots of photos of vintage USACE dredge equipment.

 

Earlier this “classic boat” month I posted contemporary photos of Millie B, ex-Pilot, USACE.

The first two photos below and the last one come thanks to “Barrel.”  I can’t accurately characterize what each is;  I’ll leave that to you.

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The middle two photos below come compliments of William Lafferty, frequent commenter, here, who writes, “[This photo] shows it at work, escorting McAllister tugs moving the sections of a floating drydock on the C & D Canal in April 1966.  One can barely see her Smith sister, Convoy, aside the drydock on the left in the foreground.”  Anyone care to speculate whether the nearer McAllister tug is none other than John E. McAllister, now known as Pegasus?  Also, where were these dry docks headed?

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And, “[This] one shows it at Fort Mifflin in January 1996 while, obviously, still with the Corps.”

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Here Pilot awaits off the port side of Goethals, built in Quincy MA, and used from 1939 until 1982 and scrapped in 2002. The category here–sump rehandler–sent me on a chase for answers that ended here.  New Orleans–the sump rehandler–was also built as a dredge in Quincy in 1912 before conversion and use until deactivation in 1963 and eventual scrapping.

0aab3Pump out DB#41 New Orleans Goethals Tug Pilot

Finally, last photo is from Barrel, and shows Pilot Palmyra showing a crane barge through the C & D Canal.

0aab4Pilot & Palamra Towing Titan Crane Barge C&D Canal - Copy

Thanks to Barrel and William Lafferty for these photos.

Interested in self-unloading vessels as seen here on tugster?  Read Dr. Lafferty’s book.

Which leads me to a a digression at the end of this post:  Day Peckinpaugh once had an self-unloading system.  Does anyone know the design?  Are there photos of it intalled anywhere?  The photo below I took in the belly of D-P back in September 2009.

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This is a pair, but it’s a digression at the start.  The left side of the image here is the north side plate glass of the Millennium Hotel on Church Street.

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Here’s the same tower from over five miles farther south.  But the star here is the blue tug, Atlantic Salvor, which two and a half years ago delivered segments of that antenna atop the WTC.  I caught that trip, a return to the sixth boro from greater Montreal here.

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Catching Atlantic Salvor here yesterday was thrilling, because a few months back she did her “sixth boro farewell” and sailed to Jamaica for a job.

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Bowsprite and I were having an all-too-infrequent pique-nique when this unit arrived from that Jamaica job.

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And paired with Atlantic Salvor . . .  there’s the Witte 4001 and I think J. P. Boisseau, as well as

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Caitlin Ann, at least for the passage through the Kills.

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Welcome back, Salvor!

. . . I haven’t figured out what the shakers are yet.  But of course, people are the primary movers, even for movers of people like Martha’s Vineyard Express.

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There are silt movers like Stuyvesant.

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And of course all manner of movers of fluids to be respected like Loya and

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Red Hook and

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Orange Blossom.

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There are movers of boxes like Vega and

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Josephine K. Miller, who can do local moves for cargo boxed or bundled or . . .  other.

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There could be a category of movers of movers like this and

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direct movers and

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indirect ones.

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Maybe I should spend some time today trying to figure out who the shakers are.  All photos recently by Will Van Dorp, who was being given a tour of traffic in San Francisco Bay and noticed this interesting assemblage of names of movers.

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Here was 12.

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Terrapin Island was in the sixth boro during parts of 2012 and 2014, the KVK above and Raritan Bay immediately below.

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I’d wondered what the helm looked like, especially given the shape of the glass

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directly behind that exhaust stack.  Well . . .

our good fortune is that my friend JED, a frequent commenter on this blog, was invited aboard last week.  Although extreme weather might stop the  dredging process up north, it continues apace down his way . . .

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So –thanks to JED, here is that bulge in the glass from inside.  Note the upper and lower seat.  Upper seat controls the vessel movement through the water, whereas the lower seat controls the dredging operations.

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Click here for a great time-lapse youtube shot on Terrapin Island a few years ago in the Lower Bay;  trailing suction arms lower to sculpt the seabed, and at about the one minute mark, you see the hull split at the “hinge” to discharge the spoils.

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Note the port side trailing arm–looks like a vacuum cleaner– in the raised position here.

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Here’s one of the huge pumps that provide suction.  How huge?  Some hint of the diameter of this pump can be gleaned by scrolling through this post I did on another dredge.  Clearly the pump in my photo was disassembled at the time.

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When it’s time to discharge, the

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hull “splits,”

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and then recloses, maintaining a level of water

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at all times.

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According to JED, Terrapin Island operates with a crew of around 20, one of whom is an eco-observer whose role is to record any large marine life caught in cages like the one you see starboard side inside the hopper in the photo above.  Here’s more on that job.

Any errors in reporting are mine.  Many thanks to JED for sharing the photos.  I took the top four photos.

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Just photos for now…  I’m day 5 on the Canal, having traveled from Little Falls to Phoenix.  If I had more time and better personal technology, I’d write more.  Enjoy.

Know what the “D” on the stack is for?

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The Dutra Group . .  . a California company with a vessel bearing quite the sixth boro name.

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Click here for particulars on the dredger.

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Until two years ago, it belonged to Bean.

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Surely . ..  she’s an industrial and industrious vessel.

Here were pics of Padre Island from a few years back, another trailing suction hopper dredge (TSHD).

Two TSHDs operating in the sixth boro include Manson  Construction’s Glenn Edwards .  . . and

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Dutra‘s . . .   Stuyvesant.

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Glenn Edwards photos by Brian DeForest and Stuyvesant photos by Will Van Dorp.

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