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Here’s where the “leverman” sits for a twelve-hour shift as the C. R. McCaskill slews port to starboard 400′ once each three and a half minutes. Another way of saying that is the dredge moves using a five-point mooring system: two swing anchors, two breast anchors and one stern anchor to move forward or back. A different configuration uses a spudded idler barge; in this case, the “swing” is longer and takes more more time. Food gets delivered so that the leverman aka dredge operator can monitor all these screens and respond so that dredging can proceed 24/7 as long as equipment and conditions permit. More on food later.
Slewing . . . drawing on cables attached to positioned anchors and pivoting on a stern point . . . requires that the 30” diamater hose be able to flex. Hence, the easy curved slack before the piping to the beach.
The crewboat in the distance alternates between hydrographic survey work and other tasks. More on that in a moment. More crewboats in a future post.
Attachment at the stern is a ball and socket joint . . . like your hip.
Here’s the starboard GE engine, part of the power supply to the dredge.
Here is another view of the two huge hull-mounted pumps that do the work.
Another task of the crewboat is illustrated here: recreational boaters sometimes allow their curiosity to override any sense of danger caused by a busy, slewing dredge.
The helicopter happened to be here on assignment to photograph the work from the air.
About the food, here’s mission control presided over by Edwina Arthur, a member of the 30-50 person crew.
Food rules and pecking order are clearly posted.
Captain Randy Guidry, my host for this tour, proudly displays the builder’s plate, Corn Island Shipyard in Indiana, where the hull was constructed.
As I stated in the previous post, McCaskill’s part in the dredging/beach replenishment has now ended and vessels and crew have moved south for the next job.
Many thanks to Captain Guidry, Jan Andrusky, and all the other fine folks at Weeks Marine for this tour.
All fotos, text, and (any inadvertent errors) by Will Van Dorp.
This was the fountain this morning.
Once the slurry exits the mouth, water flows back into the ocean and sand is pushed up the beach.
This repurposed container is project headquarters.
The top foto comes thanks to Barbara Barnard; all others by Will Van Dorp.
there’s a tube in the water, there must
be a shear leg or
two lurking nearby, although I wonder if these are shear legs . . . technically speaking.
I’m not positive what Sea Wolf
George W, and
and Trevor were doing . . . other than arranging the dredge spoils pipe,
with Sabine monitoring . . .
ut it has to do with the mother dredger ship some distance away. Fotos of her . . tomorrow. And if there’s a dredger’s rainbow and someone gets a pic, I’d love to see it.
All fotos by Will Van Dorp, who found a reason to lurk awhile along NYC’s Copacabana/Ipanema . . . .
No . . . despite the title, this blog has not turned to commentary on recent developments in the “five boros” mayor’s race. And no again . . . the focus has NOT shifted to the machines referred to water scooters aka PWCs. I took this foto on Tuesday after the two guys here seemed to coordinate with the crew of
this vessel, which seemed distinctly intended for work.
A little while later, I saw this, although at the time I didn’t know the project until yesterday in the NYTimes I noticed the pic associated with
this article about the removal of “death sticks for surfers.”
All fotos by Will Van Dorp, who says . . . yank away! Anyone know more about whose equipment this is?
A friend took these from her apartment on the dates specified. This one was October 27, looking across Shorefront Parkway in Queens . . . yes this is NYC. Notice the edge of an adjacent building along the left side of the foto, the walls of the handball courts “behind” the boardwalk, the “western” tip of Long Beach on the leftside horizon, and the street lights.
Dusk October 29.
Same location, midday October 30. Since that time, heavy machinery has moved in to break up and cart away the sections of boardwalk. I hope to followup with fotos. And a discussion has begun about what to do with the hardwoods of the boardwalk: Angelique, teak, pine, ipe, Cumaru, greenheart . . . Click here and here for typical articles. And as for sewage systems, the news is not good either.
Here’s a foto Elizabeth took today as I drove along Belt Parkway . . . yacht still along the park.
Thanks to Barbara and Elizabeth for these fotos. FWIW, Barbara . . . who went to work every day after November 5, managed to do so without heat, electricity, or running water.