TonyK
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Posts: 6594
The artist formerly known as Four Track, Now!
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« Reply #75 on: July 15, 2016, 13:45:19 » |
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From the BBC» .Date set for Didcot collapse section demolition
The final section of Didcot Power Station's boiler house will be demolished on Sunday - despite opposition from families of men killed when it collapsed.
Only one body has been found since the plant partially collapsed in February, killing four men.
Efforts to recover the three remaining bodies were halted amid fears of a further collapse.
The men's families had opposed plans to use explosives for the demolition.
Steve Hall, son-in-law of victim Ken Cresswell, previously said: "We want the men back in one piece, not many pieces."
The remains of the boiler house at the Didcot A plant will be brought down between 05:30 and 07:30 BST.
'An untried system'
Remote-controlled vehicles will be used to place explosive charges at the base of the building's columns.
RWE Npower described the operation as "extremely complicated", and said the recovery operation will resume as soon as the building is demolished and the area declared safe.
The editor of Demolition News, Mark Anthony, said using robots to plant explosives was "unproven" in the industry.
He said: "The entire demolition world is watching it with interest... because it's an untried system.
"The main concern is to get the building down, get it down safely, and allow the recovery operation to take place.
"But over and above that from a technical standpoint it will be interesting to see how it is carried out and how successful it is."
The collapsed Didcot Power StationImage copyrightAP
Image caption
The cause of the collapse is being investigated jointly by police and the Health and Safety Executive
Earlier in the week, the firm sent letters to people living nearby informing them preparations for the demolition had started.
It said noise from the explosion would last "about a minute" and any airborne dust would not be harmful "but could cause a nuisance".
It warned members of the public to not attempt to enter the site "for safety reasons and out of respect for the families of the three men involved in this incident".
Michael Collings, 53, from Brotton, Teesside, Christopher Huxtable, 34, from Swansea, Ken Cresswell, 57, and John Shaw, 61, both from Rotherham, were killed in the collapse.
Mr Collings' body was recovered soon after, but family members have criticised the length of time it has taken to find the other three.
John Howley, the uncle of Mr Cresswell, described it as "diabolical".
Labour MP▸ for Rotherham Sarah Champion also branded it a "national scandal".
Roads in the area will be closed during the blast. |
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Now, please!
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Chris from Nailsea
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« Reply #76 on: July 17, 2016, 17:29:55 » |
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A video news report, from the BBC» : Didcot power station boiler house demolished
Search efforts for three men killed in the Didcot power station collapse are set to resume after the remainder of the boiler house was demolished.
The building - which was due for demolition when it partially collapsed in February - had been too unstable to be approached afterwards.
The boiler house was brought down shortly after 06:00 BST.
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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.
"Level crossings are safe, unless they are used in an unsafe manner." Discuss.
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TaplowGreen
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« Reply #77 on: July 18, 2016, 08:57:33 » |
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Let's hope the remains of those who were killed in the original incident can be found swiftly and the families can at last lay them to rest and get some peace.
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Oxonhutch
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« Reply #78 on: July 18, 2016, 09:20:58 » |
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I suspect the amount of explosive used was considerably more than would have been had they been able to safely set the charges by hand rather than using remote control. I am seven miles (as the crow flies) from Didcot, but the seismic wave woke me up just after six o'clock - thinking it was an earth tremor - and then I heard the bang about 30 seconds after the event. Speed of sound in rock is about ten times that in air.
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ChrisB
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« Reply #79 on: July 21, 2016, 11:02:56 » |
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The scandal is that they didn't do this soon after deciding it was too dangerous to recover - rather than the relatives being allowed to object. Weeks wasted, and they've now done what was originally proposed at that time. I don't think the relatives have any position in which to continue to complain, just hope as said above that they now act swiftly to recover the bodies.
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ellendune
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« Reply #80 on: July 21, 2016, 18:54:13 » |
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I have read elsewhere that this was the first time that demolition charges had been placed using a robot and that there was a lot of interest in the outcome from other demolition contractors. So it may become more widely used in future. If so let's hope it prevents further loss of life in incidents like this.
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Electric train
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« Reply #81 on: July 21, 2016, 19:43:02 » |
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The British Army made available one of their large robotic machines to lift the demolition contractors small robotic machine so the demo contractors could place the charges and det cord.
The Army are not allowed to do this type of civilian demolition work but could assist with their machines
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Starship just experienced what we call a rapid unscheduled disassembly, or a RUD, during ascent,”
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Western Pathfinder
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« Reply #82 on: July 21, 2016, 21:17:53 » |
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Thanks to the army for the help given in order to progress this sad state of affairs .
I do hope that the family's of the men involved can have some peace soon.
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Oxonhutch
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« Reply #83 on: July 21, 2016, 21:59:22 » |
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Thanks to the army for the help given ...
That would explain the size of the bang. They don't need to be asked twice to complete the mission! |
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TaplowGreen
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« Reply #84 on: July 22, 2016, 09:02:57 » |
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The scandal is that they didn't do this soon after deciding it was too dangerous to recover - rather than the relatives being allowed to object. Weeks wasted, and they've now done what was originally proposed at that time. I don't think the relatives have any position in which to continue to complain, just hope as said above that they now act swiftly to recover the bodies.
First thoughts must be with the families but irrespective of objections you have to bear in mind that demolition contractors with the sort of expertise & kit to undertake work of this type of scope/magnitude do not grow on trees and those that are available are most likely to be busy all over the country and abroad with jobs to which they are/were already committed - they don't tend to sit around waiting for things to happen - and as can be seen ultimately the Army needed to assist as well - you can't just pick up the phone and get a subcontractor. It reminds me of a previous employer who needed to book a specialist crane for a Civil Engineering job, phoned up in expectation of no problems only to be told that there were only two in the UK▸ and each was fully booked for at least 3 months. |
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ChrisB
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« Reply #85 on: July 22, 2016, 09:36:12 » |
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They were ready to do this weeks ago - but the relatives objected & they held off. That would explain the size of the bang. They don't need to be asked twice to complete the mission! Nothing to do with the Army except the loan of equipment The British Army made available one of their large robotic machines to lift the demolition contractors small robotic machine so the demo contractors could place the charges and det cord.
The Army are not allowed to do this type of civilian demolition work but could assist with their machines
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broadgage
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« Reply #86 on: August 31, 2016, 20:37:03 » |
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A body has just been recovered from the wreckage.
(source is BBC» news website at about 20-30)
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A proper intercity train has a minimum of 8 coaches, gangwayed throughout, with first at one end, and a full sized buffet car between first and standard.
It has space for cycles, surfboards,luggage etc.
A 5 car DMU▸ is not a proper inter-city train. The 5+5 and 9 car DMUs are almost as bad.
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ChrisB
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« Reply #87 on: August 31, 2016, 21:30:11 » |
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Oh, at long last. The families can start to mourn properly...
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broadgage
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« Reply #88 on: September 15, 2016, 17:12:32 » |
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Regarding the prohibition on the Army carrying out civilian demolition work, I wonder if this should be reviewed ?
Under normal conditions I do not feel it correct for the publicly funded armed forces to in effect compete with profit making civilian demolition contractors.
However I feel that the rules should be altered to permit of exceptions in truly exceptional cases, requiring perhaps the personal permission of the Prime mister or home secretary.
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A proper intercity train has a minimum of 8 coaches, gangwayed throughout, with first at one end, and a full sized buffet car between first and standard.
It has space for cycles, surfboards,luggage etc.
A 5 car DMU▸ is not a proper inter-city train. The 5+5 and 9 car DMUs are almost as bad.
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ChrisB
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« Reply #89 on: September 15, 2016, 17:17:24 » |
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The other two bodies were recovered recently, so thankfully for the families, they can grieve properly now
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