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Dave123

Tring Summit Level Restriction

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Anyone heard anymore about whether the pump has been fixed? Just hearing rumours the water levels are getting worse and the restrictions may be increased. Had hoped to get over the summit and down to Aylesbury for Christmas!

 

Notice Details

From Date:
8th November 2017
To Date:
until further notice
Type:
Navigation Restriction
Reason:
Water resources
Notice updates:
08/11/2017 @ 08:50

This restriction will extend to lock 46, Cowroast Lock.

Description:

Due to a pump breakdown we are needing to carefully manage water resources and restrict navigation on the Marsworth flight between lock 39 to Lock 45.

The navigation will be open from 11am to 4pm, with last entry into flight 2:30pm.

Updates to be provided as work progresses on temporary pumping installation and the reservoirs refilling and the towpath will remain open

Location:
Grand Union Canal
Starts At:
Lock 39
Ends At:
Lock 46, Cowroast Lock

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I recall hearing someone say at the weekend m(02 december '17) it would take some months to get the pump fixed................water levels are low and locking opening times on the Marsworth flight are limited.

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But presumably there is some degree of pumping taking place? Or it surely would have run completely dry by now? Seemed to be plenty of water in Berko yesterday - the overflow weirs were flowing.

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On addition to the Tringford pumpand the Cowroast pumps, The Tring summit is fed from Tring sewage works to the tune of about 10 locks a day and from the Tring drainage feeder, both on the Wendover Arm near New Mill.  There is also the South Railway feeder which drains the railway cutting. The latter two are dependant on local rainfall for any significant input.

This sounds more like another CART water control cock up given that there should be at least two pumps at Tringford and a back pump as well as a bore pump at Cowroast.

N

 

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Which pump is supposed to be out of action?

The Cow Roast bore hole pump was certainly in use over the past few days, so it can't be that one that is broken, surely?

There's some splendid stuff about this on FaceBook.

Apparently CRT stand accused of having sold off one of the Marsworth reservoir group to the local anglers. and now have to buy the water from it back off of them!.....

(Yes, honestly!).

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This is also reputedly the reason that they have closed the Leicester Line. They cannot take the Saddington, Naseby and Welford reservoirs below 30% as they have sold the fishing rights off and this is part of the contract. Stuff boaters eh.

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Have just read an answer elsewhere from someone in CRT that seems to confirm the issue is a Tringford.

Also that everywhere between Three Locks and Winkwell is now potentially subject to low water levels.

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8 minutes ago, alan_fincher said:

Have just read an answer elsewhere from someone in CRT that seems to confirm the issue is a Tringford.

Also that everywhere between Three Locks and Winkwell is now potentially subject to low water levels.

.....and the rest, last Thursday all the bottom gates at the 3 Locks were open and a ground paddle on every top lock was open too. CRT water management services.

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48 minutes ago, alan_fincher said:

The Cow Roast bore hole pump was certainly in use over the past few days, so it can't be that one that is broken, surely?
 

I've been told that CaRT have reached to limit of the annual volume of water allowed to be extracted at Cowroast. 

Waterways reckon that the spare parts for the broken Tringford pump are not readily available and as Leo says, it looks like several months of low levels on the summit.

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Boats either side of the summit are being told they don’t have to move yet the stoppage has still not been declared. Winkwell to Three Locks is a long stretch. They’ve had problems since the summer , when we were stuck for a day above the Horton pound it was because the pump there had failed again so they ran water down from Marsworth back then. 

4 hours ago, matty40s said:

This is also reputedly the reason that they have closed the Leicester Line. They cannot take the Saddington, Naseby and Welford reservoirs below 30% as they have sold the fishing rights off and this is part of the contract. Stuff boaters eh.

I drove down the lane bordering Saddington a couple of weeks ago and it was very empty . 

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7 hours ago, Dave123 said:

Anyone heard anymore about whether the pump has been fixed? Just hearing rumours the water levels are getting worse and the restrictions may be increased. Had hoped to get over the summit and down to Aylesbury for Christmas!

Aylesbury Arm is closed until 15 December. Hopefully by the time you get there they will have sorted out the bridge at Broughton where the the towpath under the bridge had fallen into the canal. Have taken 2 large Woolwichs down earlier in the year and both got well and truly stuck!

 

 

 

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You didn't need a Woolwich to get stuck, brought 2 normal leisure boats out of the basin in early July and it was hard work most of the way up.....especially through that bridge.

Edited by matty40s

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12 hours ago, matty40s said:

You didn't need a Woolwich to get stuck, brought 2 normal leisure boats out of the basin in early July and it was hard work most of the way up.....especially through that bridge.

Well I managed to get down to the basin in May so hopefully it will be ok. And as to the low levels, again fingers crossed for lots of rain. I'd hope the last resort would at least be bookable passages on a handful of days as they are doing with the Leicester arm.

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Posted elsewhere was the information that there  are 3 pumps at Tringford the main one and 2 back ups, the back ups have not been maintained as the main pump was thought sufficient and the main one has now failed, being old it will take time to source spares. I have no personal confirmation of this but it rings true.

 

http://www.fotr.org.uk/p/history-of-reservoirs.html?m=1

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It is also unofficially stated elsewhere that the stoppage at lower Dudswell for a paddle replacement has ended early, and the canal there is now reopened.

I'm only passing on the statement - I haven't personally verified it.

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I think that may be true as 2 work boats just came past me heading south through Berko...

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