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| Steven J. Brown posted Cosco Sakura (Hong Kong - built 2018) is moving from the first chamber to the second (of three) at the new Agua Clara Locks (opened 2016). The locks are part of the Panama Canal expansion project to handle more and larger ships. These are the last set of locks for the ships transit through the canal on its journey from Korea to New York - November 19, 2021. Bagus Widyanto: I wonder if the Nimitz class carriers could pass through? |
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| Time-lapse video of the expansion. I recommend viewing it full-screen. |
Update: oil-electric.com has a more interesting posting about the canal expansion because it has pictures and video references. I found the container loading video to be particularly interesting. I couldn't help but wonder what happens on a windy day with those long cable reaches. The construction was supposed to be completed in 2014. But oil-electric reports that overall progress is 78% and the new locks project is 73%. The current estimate is that it will open late 2015.
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| Old School Pictures posted The panama canal in 1913. Historic Photographs posted The Panama Canal in 1913. More vintage photos taken during the construction: https://bit.ly/3KBHsCa |
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| Charles Gilbert Wright comment on SupplHi's posting [The Chinese-owned container ship, Cosco Shipping Panama, became the first ship through the expansion on June 26, 2016. You can see the use of a tug in the lock with the ship rather than "mules" on rails alongside the lock to pull the ship through the locks.] |
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| The Marine Buff posted The tolls for passing through the Panama Canal are calculated based on several factors, including the type and size of the vessel, the cargo volume, and the number of containers. For large cargo ships, the toll can be as high as $450,000. Smaller vessels, such as yachts, can pay significantly less, and the smallest toll ever recorded was 36 cents, paid by American adventurer Richard Halliburton when he swam the canal in 1928. The revenue generated from these tolls is a significant source of income for Panama, with the canal collecting approximately $1.8 billion in tolls annually. This revenue supports the canal's operations, maintenance, and modernization, as well as various infrastructure and social projects within Panama. The Marine Buff posted The Panama Canal has a total of 12 locks, divided into three main sets: 1. Gatun Locks: Located on the Atlantic side, consisting of three chambers that raise ships 26 meters to the level of Gatun Lake. 2. Pedro Miguel Locks: On the Pacific side, this set has one chamber that lowers ships by 9 meters to Miraflores Lake. 3. Miraflores Locks: Also on the Pacific side, with two chambers that lower ships a further 16 meters to sea level. The expansion of the Panama Canal, opened in 2016, added new locks: 4. Agua Clara Locks: On the Atlantic side, with three new chambers designed for larger vessels. 5. CocolĂ Locks: On the Pacific side, also with three new chambers. These locks allow the Panama Canal to accommodate both traditional Panamax and the larger New Panamax ships, totaling 12 lock chambers. |
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| The Marine Buff posted The Panama Canal operates with a dedicated crew of approximately 9,000 employees. This workforce includes a diverse range of professionals, such as pilots, lock operators, maintenance workers, engineers, and administrative staff. These employees ensure the smooth operation and maintenance of the canal, managing everything from vessel navigation through the locks to the upkeep of the canal's infrastructure. [Is that the Centennial Bridge in the background?] |
Because most container ships are currently too large to go through the Panama Canal, the notion of a "land bridge" has been developed. Specifically, the ships are unloaded at West Coast ports and the Union Pacific and BNSF compete to haul the containers to the Chicago area. And then Norfolk Southern and CSXT compete for the business to the East Coast cities. Shippers are experiencing delays because the railroads have not been able to keep up with the growth of traffic. For example, the increased oil shipments from North Dakota has disrupted intermodal and grain shipments.
But the railroads may not have to build anything to relieve the congestion because they may loose the land-bridge traffic when the larger Panama Canal opens. I've seen predictions that the Southern California ports will loose 30% of their business when the large container ships can go directly to the East Coast ports. The larger ships are 235 feet longer and 54 feet wider then the current Panamax class ships (600x110) and can carry 12,000 20-foot Equivalent Units (TEU) vs. 5,000 for a Panamax ship. And they require a port depth of 50 feet. Update: Popular Mechanics states that the new reinforced-concrete lock chambers will be 1400 ft. long, 180 ft. wide and 60 ft. deep. The reason why the ships are significantly smaller than the locks is that two tugboats are used to maneuver the ships rather than mules. But the article indicates the ships will be 1200-feet long, not 600+235=835 feet. It agrees with the figures of 12,000 vs. 5,000.
The East Coast ports are doing construction to accommodate the larger ships. Some ports are increasing the port depth from 42 feet to 50 feet. The Bayonne Bridge got rid of its old roadway under the arch in 2017, and it is supposed to be done in 2019. [DeBruler]
If the Panama Canal sets the rates too high, then all of the East Coast construction is for naught. If they are low enough, then the improvements the West Coast and railroads are finally doing will be a waste. It is too bad a new canal had to be built before the West Coast ports and railroads would bother to figure out how to reduce their rates.
Update: The eastern ports have not upgraded yet for the bigger ships, so the railroads may still have land-bridge container traffic for a while longer.
From the comments on a Facebook posting and my study of the Maumee River grain elevators, I learned the dimensions of a max St. Lawrence Seaway ship is 740 x 78 x 26.6. James Nobbe provided TEU numbers:
You can get an 8000 TEU into Montreal. West of there, a 2500 TEU tramp is biggest (aka Seaway Max). Biggest drawback is Seaway is seasonal. Lots of folks studying marine "container trains" to various inland ports. Idea is for 1250 to 5000 TEU (or larger) barges to handle containers inland.
From HellenicsShippingNews, Sept. 9, 2016:
The first ship transited the newly expanded canal on June 26. .... Right now, only Baltimore, Norfolk and Miami have channels deep enough to accommodate these ships. The first of these behemoth vessels, the Ever Lambent, called on Baltimore this July.Evidently Illinois politicians do not have a monopoly on stupidity. I assume it took big bucks to dredge the port to 50 feet and install super-Panamax cranes, but they still have not got funding to raise the height of the Howard Street Tunnel by 18 inches so that double-stack container trains can be run to the port. And it will take four more years to fix the tunnel after they get funding. (Update: as of Nov 2019, the funding is committed to expand the Howard Street Tunnel and raise 22 bridges between Baltimore and Philiadelphia. [DeBruler]) I wonder how raising the bridge for the New Jersey and New York ports is coming.
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From a video of the history of the original canal brought to you by Bucyrus. (Evidently, Bucyrus-Erie is one of the many big equipment companies that has been swallowed up by Caterpillar.)
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| Mike Breski shared Construction of the steel gates of Gatun Lock, Panama Canal, circa 1912. |
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| Maritime Updates posted The construction of the lock gates for the Panama Canal began with the first concrete poured at Gatun on August 24, 1909. This massive undertaking involved constructing the locks at Gatun, Pedro Miguel, and Miraflores. The work was completed by September 1, 1913, with nearly 4.5 million cubic yards of concrete used at the three sites. The lock chambers were 110 feet wide and 1,000 feet long, with walls 60 feet wide and floors up to 20 feet thick. Each lock gate, known as miter gates, was 64 feet wide, 7 feet thick, and varied in height from 47 to 82 feet. These gates were hollow and watertight, making them buoyant and reducing the load on their hinges. The gates were operated by electric motors connected to large bull wheels via steel arms called struts. The design and manufacture of these gates, led by Edward Schildhauer, represented a significant engineering challenge. The locks operated entirely by gravity, with water flowing through large culverts running lengthwise within the lock walls and smaller culverts branching off under the lock floors. Each lock chamber had 100 openings to ensure even water distribution and control turbulence. Water was controlled by opening and closing valves at the upper and lower ends of the chambers. Safety features included intermediate gates in the Miraflores Locks to conserve water, double gates at critical points to prevent uncontrolled water flow, and iron fender chains to protect the gates from runaway ships. These chains were removed in the 1970s and 1980s due to their limited use and high maintenance costs.+ |
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| Joe Dockrill posted Panama Canal |
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| Historic Photographs posted Excavation of the Panama Canal, 1913. Pamela M. Frank-Reynolds: When my Dad was in the Navy on the West Coast of the US he marveled at the engineering feat of the Panama Canal, especially because they had to remove anything hanging off of, or protruding from, the sides of the ship to clear with two inches to spare on either side. He loved it! |
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| Historic Photographs posted A worker standing in one of the canal locks of the Panama Canal. Circa 1912. The construction of Panama Canal in rare pictures, 1881-1914 |
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| The Marine Buff posted The construction of the lock gates for the Panama Canal began with the first concrete poured at Gatun on August 24, 1909. This massive undertaking involved constructing the locks at Gatun, Pedro Miguel, and Miraflores. The work was completed by September 1, 1913, with nearly 4.5 million cubic yards of concrete used at the three sites. The lock chambers were 110 feet wide and 1,000 feet long, with walls 60 feet wide and floors up to 20 feet thick. Each lock gate, known as miter gates, was 64 feet wide, 7 feet thick, and varied in height from 47 to 82 feet. These gates were hollow and watertight, making them buoyant and reducing the load on their hinges. The gates were operated by electric motors connected to large bull wheels via steel arms called struts. The design and manufacture of these gates, led by Edward Schildhauer, represented a significant engineering challenge. The locks operated entirely by gravity, with water flowing through large culverts running lengthwise within the lock walls and smaller culverts branching off under the lock floors. Each lock chamber had 100 openings to ensure even water distribution and control turbulence. Water was controlled by opening and closing valves at the upper and lower ends of the chambers. Safety features included intermediate gates in the Miraflores Locks to conserve water, double gates at critical points to prevent uncontrolled water flow, and iron fender chains to protect the gates from runaway ships. These chains were removed in the 1970s and 1980s due to their limited use and high maintenance costs. [I've seen The Marine Buff make some serious errors. I question that the walls were 60' wide.] Carl Peterson: The first lock gate at Gatun actually supported a roadway on top to allow crossing the lock when the doors were closed. It was the only way across. I was stationed at Fort Sherman on the Atlantic entrance and drove our twenty passenger buss and our vans across that lock many times in my 2 years stationed there. It only had about an 8 inch curb and quite narrow. You had to go slow, and there was a sharp turn on both entrance and exit. Memories. The Marine buff posted a variation of this photo with the same comment Matthew Linhart: The Hennepin Canal in Illinois is where this design was first used and then built for the Panama Canal. [Below are two of the photos that were in the comments. There were more.] The Marine Buff posted again. I think it is the same comment. |
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| John Nelson commented on the second post above I was treated to a tour of the canal in 2003 - in photo the gates were closed allowing our group to walk across the top of the closed gates. |
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| Jock O'Connell commented on the second post above November 2014. Standing next to one of the lock gates for the expanded canal. |
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| MilitaryPhotoDepot posted USS Arizona BB-39 in lock, Panama Canal circa 1921..USN Image Bill McKinley: looks like she's in the the Pedro Miguel locks heading for the Atlantic side.. Jim Cross: Pedro Miguel locks headed Northwest to the Atlantic. [But the entrance to the Atlantic is southeast of the locks.] Rick Peacock: The trains are being replaced soon. Joseph Skatoff: Still better than the real mules that were first used. Gary Fleeger: Joseph Skatoff Real mules were never used. In 1914, to operate on the Panama Canal, 40 mules were built by GE. #662 is one the mules, named after the pack animals. Mules were used for side-to-side and braking control through the locks. Four mules were used per ship, one on each side and one on each end. [Some comments establish that we are looking at the stern because the Arizona had two turrets on both ends.] Randall Wynn Pelfrey: I read a story about the Arizona when she was in New York an pulled out headed to the West Coast an some one in the crew smuggled a hooker onboard an stashed her an a officer found her an they put her off in Panama to be shipped back to NYC , I don’t know where I read it at or when I did Joe Vandenberg Randall Wynn Pelfrey She has her own Wiki page! Much more information: https://en.m.wikipedia.org/wiki/Madeline_Blair [The comments provide several more photos of the battleship] |
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| MilitaryPhotoDepot posted (4/27/1984) A view of the forward 16-inch guns aboard the battleship USS NEW JERSEY (BB 62). The NEW JERSEY is entering the lower level of the Mira Flores Locks as it transit the canal Camera Operator: PH1 Carolyn Harris Pasquale Cosenza: USS New Jersey’s presence was required off Lebanon until April 3, 1984, when she finally left for home. She made port calls in Italy and France, crossed the Panama Canal, and arrived at Long Beach on May 5. What was scheduled to be a three-and-a-half-month deployment had turned out to be an eleven-month deployment, the longest deployment of any Navy ship since World War II. Ronald Churchill: Iowa bb 61 , new Jersey bb 62 , Missouri bb 63 , Wisconsin bb 64 . [Some comments indicate that there was 9" on each side. The first thing they did after going through the canal was put sailors over the sides to repaint the scrapes. These were designed to fit the 110' wide canal.] Bruce Belt: My dad was on the NJ for 3 yrs during the Korean war, I grew up listening to all the great stories. When I was stationed in Ft Irwin CA in the early 90s my parents came to visit. I found out that both the Big J and Mighty Mo were based out of Long Beach, and that they would both be in port during the visit. So while headed to Monterey we took a surprise detour that day. When I pulled up into the mostly empty parking lot the two great ships were sitting next to each other. My dad looked up and said That's the Missouri!! I said look whats next to her, he hadn't seen her since the war, 30 yrs, and instantly got emotional. We walked over to the pier and while he quickly wiped away some tears, asked do you think we could get on her? To which I replied, today is open house, they're waiting on us. Off we went, up the gangplank as my dad snapped off a salute to the fantail. We were greeted by a young sailor at the reception area who immediately realized dad was a vet (I made him wear his BB62 hat) and asked what division he was in. Dad said B division, to which he replied I guess you want to see Broadway and dad said sure. The sailor then said let think the best way to get there, and dad started to tell him, and he said, how about if I just follow you, and off we went. It was a great day! |
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| Military Technology posted USS New Jersey (BB-62) passing through the Pedro Miguel locks while transiting the Panama Canal, June 1968. Walter Freburger: Can't go through in Summer, it swells up and won't fit. |
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| Navy General Board posted The Mighty Hood threads her way into a set of locks along the Panama Canal. HMS Hood was transitting the Panama Canal in July 1924 during the World Cruise, an incredible voyage that demonstrated the power of the Royal Navy around the World. While Hood was not quite the widest ship to negotiate the Panama Canal Locks, at just over 104' at the beam it was still a tight squeeze to fit into the 110' locks. |
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| Attack helicopters posted USS Missouri (BB-63) in the Miraflores Locks, Panama Canal, 13 October 1945, while en route from the Pacific to New York City to take part in Navy Day celebrations. Note the close fit of the ship in the locks. The beam of battleships of this era was determined by Panama Canal lock dimensions. Specifically, the locks are 110 feet wide, and the beam of the vessels are 108 feet and some inches, leaving about 8 inches of clearance, per side. Gary Holt: That would have been on the way home from the signing of the Japanese surrender. But what a beautiful ship. Military Technology Equipment posted USS Missouri (BB-63) in the Miraflores Locks, Panama Canal, 13 October 1945, while en route from the Pacific to New York City to take part in Navy Day celebrations. Note the close fit of the ship in the locks. The beam of battleships of this era was determined by Panama Canal lock dimensions. Specifically, the locks are 110 feet wide, and the beam of the vessels are 108 feet and some inches, leaving about 8 inches of clearance, per side. Military Equipment posted with the same comment as the above post |
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| Carlos Ferran posted Posted from a Panamanian group about a half an hour ago [June 23, 2020], the Panama Canal Railway mainline is effectively shutdown at Gamboa. I cant imagine how deep in trouble those people are in. Chuck Withers Is that KCS?Chris Hennebry Chuck Withers the KCS owns it. |
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| Carlos Ferran commented on his post Another angle of the damage. Jimmy Barlow Note that there's a roadway beside the rr track; 2 men standing on it at lower left. Jimmy Barlow It appears that this bridge doesn't even have any provision for clearing a ship. And if that's true, the Bluebill had to have been either disabled or insanely off course. (Assuming of course that it wasn't intentional in some way.) Michael T. Burkhart The bridge spans the Chagres River, not the canal itself. The road was closed a few years ago when a new highway span was built just to the east. Aaron Byrant shared Dennis DeBruler https://www.google.com/.../@9.1127059,-79.../data=!3m1!1e3 |
Jim Taylor posted three photos with the comment: "This is the largest containership transitting the Panama Canal (CMA CGM Argentina) this morning 1200'+ x 167.1'x 50' draft, unable to visit the Mississippi River due to draft considerations (same size as the Ever Given..recently grounded in Suez) Lot of dredging necessary for these ships to make New Orleans a stop."
Timothy David Kass: I think they have plans to build a new dock in Chalmette for container ships.
Jim Taylor: Timothy David Kass they need 55' in southwest pass for these big mamou's.
The Panama Canal expansion was happening 15 yrs. ago...you snooze you lose, Savannah, Norfolk and New York are this bigguns regular port visits, MRGO closed meant losing our piddly little container terminal that Houston gladly scooped up, Barbours Cut
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| Steven J. Brown posted LPG Tanker Matterhorn Explorer (Liberia - built 2019) en route from Texas to Equador is entering the first lock on the Atlantic side of the Panama Canal, Gatun Locks. Overhead is the Chinese designed, French built Puente Atlántico (Atlantic Bridge) which opened in 2019. Colon, Panama - November 19, 2021. |
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| Oil Tanker Ship posted Panama Canal 🚢🛳⛴🚢 Aleksandar Djukic: I welded those Panama doors 10 years ago, a big project and a good experience. David Coe: The gates are hollow and buoyant, much like the hull of a ship, and are so well balanced that two 19 kW (25 hp) motors are enough to move each gate leaf. If one motor fails, the other can still operate the gate at reduced speed. |
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| Alexandre Salgueiro posted USS Iowa passing the Panama chanel John King: The Iowa class battleships were purposely designed to be narrow enough to pass through the Panama Canal. They had about 1 foot of clearance on each side. The Iowa's had to be built a little light on armor for its 16" guns, in order to be made so narrow. The planned next class of battleships, Montana class, were not to be able to pass through the Panama Canal. as they would have had another main gun turret and more armor and would have had to go around South America to transit from the Atlantic to the Pacific oceans. When it was realized that the aircraft carriers were more important, the Montana class battleships were canceled and physical construction was never started. Before the United States entry into WWII the Battleship was considered the primary deep ocean war machine. The Washington Naval Treaty put a moratorium on battleship construction after WWI until just before WWII when everyone began building new, faster, better battleships. Most of the Admirals of the day had grown up in a battleship world. These admirals considered aircraft carriers as scout ships in the days before radar. The plane would locate the enemy and the battlehips would move in for the kill. The effect of the airplane goes all the way back to the sinking of the Bismarck. It was an aircraft carrier that attacked the Bismarck and a torpedo jammed the rudder in hard left or right position. The Bismarck could then only go in circles which allowed the British battleships to catch up. After that carrier's success, the British decided to attack the Italian fleet while at anchor in Italy. It was a success as many ships were damaged and the Italian naval threat in the Mediterranean Sea was diminished. The Japanese observing all this decided to try that trick on the American Navy in Pearl Harbor. Shortly after the Pearl Harbor attack the Japanese used airplanes to sink a British battleship and cruiser that had been sent to help assist in the defense of Singapore. After all this and the battles of Coral Sea and Midway it was decided that aircraft carriers were more important than battleships. Today an Arleigh Burke destroyer would make swiss cheese of the super structure of a WWII configured battleship. The main guns of the battleship would not be able to get within range to be able to use the Battlship's main 16" guns. A battleship even today looks more menancing but the destroyer' s missiles have a longer range. In response to a comment: Today although all the Iowa class battleships and a few older types are still in existence, they are all museums. An Arleigh Burke destroyer carries about 90+ various types of missiles plus anti-ship missiles and I think requires a crew of about 330 people. A Zumwalt class destroyer has larger than 5" guns (155mm or 6"). An Ohio Class submarine with about 150 crew members that has been converted to carry cruise missiles can carry about 150 missiles to support shore activities. A battleship built to support its massive gun turrets had a WWII crew of about 2700 and a first gulf war crew at about 1800 people. The main guns would have limited use. In the first gulf war a battleship besides launching the first missiles in the war, which any other missile ship could have done, was used to fake an amphibious assault that never happened. WWII era battleships use boilers and consume a large amount of fuel. Modern Battleship/aircraft carrier size ships use nuclear powered steam engines. Post R&D and construction nuclear power is cheaper to operate. Destroyers and cruisers use jet engines and can be refueled with aircraft fuel from carriers if necessary. President Reagan had the Iowa class battleships recommissioned to provide more battle groups for the, suspected growing Russian Navy to have to focus on. It would have taken longer and cost more money to build four more new aircraft carriers rather than to reactivate the four battleships. |
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| 6:01 video @ 5:41 |
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| 16:15 video @ 6:08 The usage of the Panama Canal by the New Jersey Battleship |
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| 10:49 video @ 3:03 Panama Canal Draft Restrictions Could Halt Coastal Shift As I had speculated, container traffic has been shifting from the west coast ports to the gulf and east coast ports. But a draught in Panama may cause the container traffic to shift back to the west coast ports. |
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