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Sheerlegs and other floating cranes.

While my direct interest is land-based cranes it remains interesting to see the big floating cranes in Holland. Shown on the picture is the Fairpartner from Jumbo Shipping Shipping during a test lift at Huisman after 2 piece 800t mast cranes were fitted. Later these were upgraded to 900 ton capacity. Currently Jumbo is building a ship in the K-class which will be fitted with 2 time 1500t capacity mast cranes!
The biggest sheerleg in the port of Antwerp is Den Brabo, build in 1981 with a capacity of 800 ton. On this picture it is moving a Gottwald port crane.
Here the Lara 1 is also moving a harbor crane in the port of Rotterdam. Build in 1986 by Figee with a capacity of 250t under the name Mersey Mammoth. After HAPO bought the crane the barge is renamed into Lara 1.
Another crane relocating, this time with the Matador 2 from Bonn & Mees and the GPS Apollo. Both are 400 ton sheerlegs, Matador 2 build in 196 and the GPS Apollo in 1967, formerly known as Taklift 2.
The GPS Atlas lifting a small TC 3200 from Sarens. Like the GPS Apollo it was build in 1967 under the name Tak Lift 3. Until recently GPS was stationed in the Rotterdam port but now both sheerlegs have been relocated to the UK.

Biggest sheerleg from Smit Internationale in Europe is Taklift 4. Build in 1981 and started as a 1600 ton sheerleg. Over years it has been upgraded to a capacity of 2200 ton and it has a capacity of 1400 ton over the jib.
I came across Taklift 6 in the USA. Shortly before it was stationed in Singapore in a joint venture between Keppel and Smit. Capacity on the mainboom is 1226 ton, however in this picture the boom is still in long-distance tra nsport position.
This sheerleg can also be fitted with another boom system consisting of a 160m longboom and 15m jib.
Taklift 7, stationed in Rotterdam, is an almost exact copy of Taklift 6, it's build in 1976.

Bonn & Mees is yet another Dutch company specialised in sheerlegs. The biggest is Matador 3, build in 2002 with a 1500t capacity but meanwhile it is upgraded to 1800 ton.
Every once in a while a "land crane" can be seen lifting in coorporation with a sheerleg. A nice example is this job placing storage tanks with Matador 1 together with an AC 650 from Mammoet.
This is the Roll Dock Sea loaded with 2 sheerlegs from Mammoet Maritime. Cranes fitted on the ship a 2 350t Liebherr cranes.
Sometimes a land based crane is placed on a barge to create an crane-barge. Advantage of this type over a sheerleg is that the crane itself can rotate freely instead of rotating the entire barge/sheerleg.
Shown on the picture is the Dina M from Stemat fitted with a Manitowoc 4100W Ringer.
Herbosch Kiere had put a American 11320 in guyed-derrick configuration on a barge.
Sarens put 2 CC 2800-1 cranes on a barge while there wasn't a quayside with neccesary capacity available.
ALE engineered a small sheerleg to place bridge sections near Amsterdam. Both lifting and booming up/down is done by means of strand jacks.
For work onshore there is another category, namely jack-up barges. To minimise movement caused by waves the entire ship is lifted clear from the water.
This picture shows the Seafox 7, build in 2008 and fitted with a 300 ton Favco crane.
The Rambiz was a crane build by Huismand in close coorporation with Van Seumeren and Scaldis. It was designed to lift bridge sections in Portugal. A thing they kept in mind was how to re-use the crane after the project. This is why the boom system is the same as the ringer-cranes from Van Seumeren and with minimal investments they could be transfered into ringer cranes aswell.
The Rambiz was build in 1995 by coupling 3 pontoons, 2 parallel and 1 ontop joining both. Both pontoons have been fitted with cranes, the right (starboard) crane has a 1700t capacity while the left (port side) can lift 1600 ton. After the job in Portugal was done the pontoon lay-out has been modified and Van Seumeren sold its shared to Scaldis. Currently Scaldis is building Rambiz 2 which will be fitted with 2 1800 ton capacity A-frame cranes from Huisman.
Ending this overview are the biggest of the biggest cranes. First of all the Saipem 3000 from Saipem, originaly named Maxita. Later a 2400 tons Clyde crane has been taken from the Pearl Marine and fitted on the hull.
Biggest crane and current record holder for heaviest offshore lift (12.150tons) is the Saipem 7000. It started in 1987 as the M7000 for the company Micoperi, however this company went bankrupt in 1990. Five years later the crane ship was bought by Saipem and called it Saipem 7000, both American cranes have a capacity of 7000 ton!
Heerema cannot be left out. Both the Hermod and the Balder are build in 1978 and are originaly fitted with each a 2000t and a 3000t crane. Currently the capacities are upgraded on the Balder to 2700t and 3600t. The shown cranes on the Hermod have a capacity of 3600 and 4500 ton!
Biggest crane within Heerema is the Thialf, build in 1985 for McDermott under the name DB 102. In 1988 McDermott and Heerema started a joint venture called Heeremac, this kept existing until 1997 and Heerema bought all shares of the DB 102 and renaming it into the Thialf. In 2000 the craneship is upgraded and both cranes now have a 7100 ton capacity making it the strongest in the world.
To be able to keep serving all clients in the future Heerema is building a new crane ship, the Aegir, fitted with a 4000 t mast crane from Huisman.
To close ships from Seaway Heavy Lifting, starting with the Stanislav Yudin. Build in 1985 with a 2500t Gusto crane. This picture shows the ship starting up its engines again after a few week overhaul.
Bigger and younger brother is the Oleg Strashnov from 2010 fitted with a 5000 ton Gusto crane. Shown in pictures above if the crane-house being lifted by both Matador 3 and the Rambiz.
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