Archive for the ‘Crane’ Tag

Heavy Lifts   15 comments

Last month, while on another successful rig move we had the pleasure of watching some very heavy lifts going on, now when I say pleasure, I mean in the geeky sort of way, watching a crane lift something is not everyones height of entertainment, but for me it’s cool, and even cooler when you think about this being done at sea, most of us have seen a crane on the high street getting ready to do a lift, the first thing the crane does after parking up and the driver having 3 bacon sandwiches and 4 cups of tea is to put out the stabilises, those things in each corner that slide out a meter or so and press down on the ground to level and steady the crane. The thing is you can’t do this at sea, you have to use ballast and one great thing to use as ballast is water.

This is the Saipem 7000 just after completing 4 very complex heavy lifts, one lift being 11,100 tons, thats 500 tons under the world record (which was done by the same vessel). To put that into perspective thats 4080 female Indian elephants. Now to get back to this ballast thing, the Saipem 7000 was fitted with two ballast systems: A conventional pumped system which could transfer up to 24,000 tonnes of water per hour using 4 pumps and a free flooding system. The free flooding system used 2 m diameter valves to open certain compartments to the sea thus trimming or heeling the vessel. This allows the vessel to lift cargoes from barges much faster than if just the crane hoists are used.

 

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This was the second time I have seen a heavy lift vessel, funny enough the first time was the rig move just before this one when I saw the Thialf, this is the largest crane vessel in the world.

 

BD-90

iPhone Friday   16 comments

Just a quick collection from my recent Amsterdam visit. All photo’s taken with my iPhone 4 and processed with Camera+

One of the dock side cranes, not sure how old this is, but love the round concrete counter-weights.

 

 

Something you see a lot in Amsterdam.

 

 

A very cool car.

 

 

At last on the way home.

iPhone Friday   12 comments

For the last couple of days I’ve been having to sit outside on the stairs and connect to the wifi from the rig parked next to us, it was very slow and would not let me view some sites, so sorry if I haven’t been to yours lately. The thing is, I move rigs right, so when I join the rig it’s going to be moving, this normally means it’s going from one client to another, it’s seem really daft but when one client leaves they take everything with them, this includes the wifi, that’s why I sometimes don’t post, because I can’t. Now you know.

This is the thing I’ll be moving tomorrow morning, is it a boat or a rig? Well it sails out to location under its own steam, then once on location it lowers its legs and lifts itself out of the water, cool ah.

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This is the one next to us, the one I’ve been stealing the wifi from. There has always been a problem with jackup’s, the legs get in the way of the cranes. But this is really cool, they have built the crane around the leg. (that’s the large round black thing with red and white on the top) I think that is an awesome bit of engineering, but then I’m strange.

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Here is the same smoke stack as the Amsterdam post, but first thing this morning, not a breath of wind, you might have seen it on Instagram if you follow me, @rigmover

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Posted August 10, 2012 by rigmover in Amsterdam

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Big Toys   12 comments

I had a few e-mails about yesterdays post so here is a quick follow up.

This is the vessel that we used to installed the turbine on the sea bed, its 250 ton crane had no problem lifting the turbine into place, with 3 bow thrusters and 4 stern thrusters it can hold us in position using a DP system with ease and its main engine has a bollard pull of 350 tons (anything less than 350 tons and it would just pull it along the ground).

In the sliding door you can see on the starboard side is a in-built Triton XLX work class ROV and a second one on deck. Built to meet future environmental standards, the vessel is fuel efficient and clean class, thus having the capability to work in most of the world’s offshore oil & gas precincts.

Posted June 11, 2012 by rigmover in My Work

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