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Washout at Dawlish


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Are there going to be handrails all along the sea-wall walkway.?

 

If so it would be a lot safer with children/grandchildren in tow.

 

Keith.

Keith,

Teignmouth sea wall does'nt have them and its a lot longer - lets not go H&S mad - please

Edited by DerekEm8
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Iron oxide takes up more volume than the original Fe + O2.


 


When iron 'rusts' it takes up more 'volume' than the original metal. Now Whilst concrete is very strong – it is very strong in compression but quite weak in tension.


The 'Concrete Cancer', of the 60s and 70s, was mainly due to the reinforcing bars being too close to the surface and thus oxygen could infiltrate down to the re-bar where it reacted with the iron forming Iron Oxide, or Rust, and then expanded allowing more oxygen in to even greater depths until the structure became too degraded and structural failure became a risk.


 


ReBar, 'buried' deep enough, quickly uses up all the available oxygen and the process goes no further.


Whilst Dawlish does get a 'hammering' the concrete works are not critical load bearing structures.


Both of these facts, along with the idea that the rust already there provides enough 'space' for the remaining rust material to 'expand' into, meaning that no 'cleaning of the reBar is necessary.


 


(Now Bridges where weight, space and quantity of materials require that there reBar is much nearer the surface means that the 'Rust' is sometimes needed to be removed by sandblasting before the concrete is poured.


 


 


Kev.


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I am not a H&S  fanatic by a million miles.!

 

But to me it looked from photos as if handrails are going up.!

 

Keith.

No, only around the tops of the new steps, really hand rails to assist those using the steps.

 

There will be no handrails for the majority of the length of the wall, which is as it has been for most of its history.

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Just wondering when Slaters Plasticard embossed stone sheets will be stuck onto the new concrete wall sections?

Nah, you all got it wrong

 

The plasticard is going on the top of the walkway, horizontal layer

 

not the front vertical face   :jester:

 

Edit

 

and I did hear that after the main tourist season is over

 

that in the autumn the walk way will be closed again

 

to accomplish that

Edited by Granitechops
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Well today is scheduled for reopening of the walk way

 

but its been raining hard with little sign of letup

 

hope it improves by lunch time!!

 

the orange army have been busy  clearing up

 

on reflection

 

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much plant etc. has been going off site & out of the compounds

 

low loader awaiting loading at Dawlish Warren compound

 

Hopefully the Warren compound will be much shrunk by next Sat, 22nd

 

as its Dawlish Air show & the warren car park will be bursting at the seams  

 

It was heard said that last year 100,000 visitors came to town.

 

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Oxy cutting gear has been in use to remove all protruding steel anchor bolts from stanchions etc

 

empty bottle awaiting removal

 

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railings on steps at Warren end on Tuesday

 

one assumes they have also put railings on the outside edge!!

 

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still Tuesday, steps at town end (south) in use but railings not yet in place

 

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Dawlish is looking good flower displays in fine shape

 

and it is also carnival week, with Dave Rowlands fair in town

 

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Bridge over the brook, with the Shaftesbury Theatre in the background

 

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Might get some photos later IF

 

the rain lets up

Edited by Granitechops
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Maybe a tad early for this, but that time is drawing near.

 

A BIG thanks to Granitechops for all these informative - and interesting - reports from Dawlish. Without being disrespectful, I'm sure it was not the easiest of tasks for a disabled person to do, I have full admiration for your perseverance, and I'm sure you've enjoyed being involved. Thank You, Sir, much appreciated. I'm sure many others here will agree.

 

Stewart

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On this auspicious day and after following this thread from afar since the start. Can I congradule all the

correspondents especially " Granitechops" for his granite like determination to get the "story" also Captain Kernow for his insider information.

They have all enabled those of us who do not have access to the area to be well informed of all the events concerning this wonderful reconstuction.

This thread stands as a tribute to you all :thankyou:

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Maybe a tad early for this, but that time is drawing near.

 

A BIG thanks to Granitechops for all these informative - and interesting - reports from Dawlish. Without being disrespectful, I'm sure it was not the easiest of tasks for a disabled person to do, I have full admiration for your perseverance, and I'm sure you've enjoyed being involved. Thank You, Sir, much appreciated. I'm sure many others here will agree.

 

Stewart

Was going to suggest we should have a whip round

for a retirement gift for him, now his job is finished!

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Well, I went to the opening ceremony at lunch time today, in an official capacity, and took a few photos, including one or two of Don, who was also there, of course, and had the distinction of being the first buggy driver to pass over the new section of Sea Wall.

 

The new section of wall was opened by Network Rail Western Route Director Patrick Hallgate, with the Mayor of Dawlish cutting the ribbon. Press & media were also there, as was a mobile ice cream kiosk at the Rockstone end, kindly provided for the guests by Network Rail:

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At 10 am today it was raining, the wall almost deserted & plastic barriers in place

 

plus two security blokes at the Old Life Boat House

 

post-22449-0-05699700-1439578857_thumb.jpg

 

overnight rain had been almost non stop 60 mm in last 24 hrs I believe

 

water was spouting out of the lower, old wall stonework

 

post-22449-0-92162500-1439579082.jpg

 

post-22449-0-77867000-1439579098.jpg

 

could not see wether it was out of proper pipe outlets or just cracks

 

definately no railings on outside of new steps

 

post-22449-0-72669100-1439579300_thumb.jpg

 

the ice cream was supplied by this concern using a "Stop me & buy one" tricycle 

 

post-22449-0-93018600-1439579552_thumb.jpg

 

Edit this is Andy & Tara

 

Their vintage ice cream van is a 1972 Bedford CF ( left in the Station car park)

 

post-22449-0-77306300-1439579587_thumb.jpg

 

And Tim with two work collegues, sorry but forgot their names, not good!!

 

post-22449-0-56454700-1439579668_thumb.jpg

 

I have more photos, but as I have an early start tomorrow

 

they will have to wait till Sunday

Edited by Granitechops
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