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eightf48544
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« Reply #165 on: May 14, 2012, 11:02:39 PM » |
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66720? in sidings at 12:40 today,
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Btline
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« Reply #167 on: May 21, 2012, 11:55:00 AM » |
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Once again, a "report" that has taken months and probably costed the taxpayer millions has come up with nothing new.
Everything in that report was in the last one I read. Most of it could be derived from basic common sense.
And they don't even make a decision! They say it needs "consultation" when it is blindingly obvious that the SWML to West Anglia route is the best option and that the Tube line would be a wasted opportunity.
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Andy W
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« Reply #169 on: August 22, 2012, 11:17:58 AM » |
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Boring II  |
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IndustryInsider
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« Reply #170 on: September 19, 2012, 02:03:29 PM » |
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Allow me to be 'boring' again, Andy!  You can now view actual and proposed progress of the two Royal Oak TBM's at the following link: http://www.crossrail.co.uk/near-you#.UFm5DFEw-mAThe spoil removal conveyors and sidings at Wesbourne Park are now in full swing. Standing above the conveyors on the footbridge that leads off Westbourne Park Villas and watching the conveyors with their excavated material on, and imagining them running pretty much constantly for well over a year, makes you realise just how big a project Crossrail is! Well worth a wander out there if you're in the general area. Here's some snaps taken earlier this week, which show the conveyor systems carrying spoil and loading them on a rake of wagons in the newly completed sidings. You can also see the network of temporary rail lines used to transport other materials to and from the tunnels:    |
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Electric train
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« Reply #171 on: September 19, 2012, 08:00:15 PM » |
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Thanks II
It is truly a monster of a conveyor system
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I work for the largest employer in the Rail Industry.
Electrification is what I do
Swindon engineering - if 3/8th steel plate is enough use 7/16th just in case.
George Jackson Churchward a true Engineer
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IndustryInsider
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« Reply #172 on: September 20, 2012, 11:56:15 AM » |
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Also happening is the lengthening of the Down Main platforms at West Drayton (just started) and Langley (just about to start), so that they will be able to handle Crossrail trains. This follows the work to lengthen the Down Main platform at Hayes & Harlington earlier this year and has the added instant benefit of meaning that 6-car Turbos will be able to stop at all the main line platforms between Paddington and Slough, which gives extra flexibility on Sunday's when the Relief lines are closed due to engineering work, or at other times during service disruption.
Regular passengers on the route may like to check out the progress on the reconfiguration of Acton Yard, in readiness for construction of the dive under on the Up Relief, as well as the progress with the extra infrastructure at Airport Junction where the retaining wall leading to the bridge that will take the new track over the Up Relief is taking shape.
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IndustryInsider
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« Reply #173 on: September 27, 2012, 03:04:55 PM » |
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Bit of an, erm, oops moment with the new conveyor system today! Part of it has collapsed on top of a freight train that was loading up. That's what's causing the delays/cancellations currently listed as safety checks between Paddington and Ealing Broadway as Lines 5 and 6 on the approaches to Paddington have been shut as the conveyor is listing badly towards them. Hopefully nobody was injured, but there will be a while before proper spoil removal can resume I would imagine. Here's a picture. You can see what is the unloading chute actually resting on one of the wagons, and that about 30 metres of conveyor has been pulled on its side:  |
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Electric train
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« Reply #174 on: September 27, 2012, 04:31:00 PM » |
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A mechanical failure like this on such a new system makes this a serious incident especially at the discharge head is manned when it is working, therefore it will have to be reported to the ORR's HMRI will want to investigate it (HMRI act the same as the HSE on railway related works), hopefully Crossrail will be allowed / able to stabilise the conveyor tonight otherwise the disruption will continue tomorrow.
Oh and think of the delay minuets attribution charge to Crossrail
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I work for the largest employer in the Rail Industry.
Electrification is what I do
Swindon engineering - if 3/8th steel plate is enough use 7/16th just in case.
George Jackson Churchward a true Engineer
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chris from nailsea
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« Reply #175 on: September 27, 2012, 08:23:31 PM » |
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Bit of an, erm, oops moment with the new conveyor system today!
A masterpiece of understatement there, II!  |
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'Level crossings on the railway network are safe - unless they are used in an unsafe manner.' Discuss.
William Huskisson MP was the first person to be killed by a train while crossing the tracks, in 1830. Many more have died in the same way since then. Don't take a chance: stop, look, listen.
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Four Track, Now!
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« Reply #176 on: September 27, 2012, 08:43:20 PM » |
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Certainly a moment for a statement on the lines of "Wrong type of soil". As our industry insider says, hopefully no-one was injured, although a lot of pride will be at risk. Speculation is futile, but I expect that metallurgists, architects, and especially engineers will be furiously checking their figures about now. A few new tweaks will sort it out, then away we can go again. This may look an impressive bit of kit, but it's nothing that hasn't been done before on the surface of a coal mine.
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Electric train
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« Reply #177 on: September 27, 2012, 09:17:04 PM » |
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Taking a re-look at the photo posted by II it looks like the conveyor was loading the train, there, looks like, there are wagons loaded behind the engine and there is spoil on the conveyor belt; I have notice that they ensure the belts are empty when shut down. There always seems to be men on at the various cutes on the system de clogging them, London clay is very claggie
I am speculating here but wonder if they have got the counter balancing of the loading head right, there seems to be quite a mass overhanging the wagons with very little on the opposite side. It would also appear to be fortuitous that there were wagons below if the conveyor had failed without them there may be we could have been looking at total collapse of structures in that part of the conveyor system.
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I work for the largest employer in the Rail Industry.
Electrification is what I do
Swindon engineering - if 3/8th steel plate is enough use 7/16th just in case.
George Jackson Churchward a true Engineer
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The SprinterMeister
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« Reply #179 on: October 01, 2012, 10:31:31 AM » |
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I am speculating here but wonder if they have got the counter balancing of the loading head right, there seems to be quite a mass overhanging the wagons with very little on the opposite side. If you were to add counterweights to the opposite side of the mechanism you would increase the total mass of the moveable part of the plant and the load carried on the longitudenal girders supporting it. Looks as if the load on the girders (particularly on the 'loading' side) may have been a problem as it is by the looks of things..... The spoil train appears to have stopped the whole lot crashing onto the ground fortunately. |
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Trundling gently round the SW
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