59CosG95
Established Member
Most likely the southeastern corner of the triangle at this stage. The scope of remodelling Leicester's approaches still needs to be finalised and it makes no sense to do the survey work until the scope is agreed.
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MML Electrification: progress updates
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Low, given the likelihood of the layout being altered (even slightly), I'd terminate the wires on the plain line so that whatever needs to happen with the triangle doesn't mean digging up OLE foundations.
InTheEastMids
Member
- Joined
- 31 Jan 2016
- Messages
- 980
One of the photos attached to the post shows a bit of software that's using Google Maps in satellite view. Assuming Up = Due North, the direction of the 2-track railway from SE-NW across the map makes me think it's somewhere between the A6 bridge at Great Bowden and Kibworth.
Another reminder that the sole purpose of this thread is to provide MML electrification updates.
thanks
thanks
Re the discussion on the extent of the latest round of work, the minutes of the December meeting of NR's board
say "This first route section covered 33 single track kilometres between Market Harborough and Wigston South Junction" but refer to it only as "an offer to the DfT".
say "This first route section covered 33 single track kilometres between Market Harborough and Wigston South Junction" but refer to it only as "an offer to the DfT".
Harboro to Wigston South, AIUI
overruns each side eventually, but the Leicester / Wigston area will come later in the programme
londonmidland
Established Member
Not directly related to the MML electrification itself but on EMR’s website, it shows Derby’s new EMR depot, which will service the Aroura fleet, shows electrification of the line(s) adjacent to the depot.
Read more here
Read more here
Nottingham59
Established Member
Thanks for that.
I assume that the design of the new depot is consistent with bringing Platform 7 into passenger service, and I would also hope (perhaps forlornly) that it doesn't make it impossible to accommodate 400m HS2 trains at Derby in the future. ....
grumpyoldman01
Member
The Derby station works undertaken a few years ago were structured so that some platforms could be extended to accommodate 400m long trains.
How this would be achieved wasn't declared, but one of the drawings lodged with Derby City Council in connection with the station works made reference to another drawing which wasn't deposited with them and which apparently showed how it would be done; so if MML electrification does eventually reach Derby, will the design of the OHL take account of whatever is comprised in that particular drawing, or will it be based upon the actual track/platform layout at the time the work is planned?
Nottingham59
Established Member
Now that is interesting. Let's hope it wasn't just by extending plaform1 southwards towards London Road bridge. ....
Well, who knows? Hopefully it could/would be designed to be compatible with both layouts. But resiting OHLE is probably easier than rebuilding a whole depot.
Nicholas Lewis
On Moderation
I like their approach trying to kick start the DofT into agreeing projects exact approach BR took.
Its surprising they hadn't done Grip 4 on this section already before it was canned back in 2017.
GRALISTAIR
Established Member
A quick refresh perhaps?
Nottingham59
Established Member
That is five years ago. Plenty of time to have had yet another pointless change in the standards since then ....
it wasn’t very well developed at all when it was ‘paused’. Simply because it hadn’t been given the ‘go’.
Nicholas Lewis
On Moderation
So Grayling didn't really cancel it then if it hadn't been given 'Go' - although I suspect your saying DofT supported electrification but individual schemes or sub sections hadn't actually been authorised for delivery?
the saga is worth a book
Peregrine 4903
Established Member
Fancy writing it
?Fancy writing it
i don’t but I know who man who might be persuaded!
ABB125
Established Member
"I Tried to Run a Railway Without Talent, Experience or Qualified Help", surely?"My life as a Transport Secretary", by C. Grayling?
There, I've corrected it for you.
Will probably be written by Sir Chris Grayling if the same criteria is used as for the former education secretary."My life as a Transport Secretary", by C. Grayling?
YorksLad12
Established Member
Lord Grayling of Euston.
Mordac
Established Member
Of Steventon
PJM
Member
Looking south from the bridge on Great Bowden Road towards Market Harborough station yesterday. This gantry looks to be the most northerly structure so far. No sign of any piles north of this.
Nottingham59
Established Member
Would that be the limit of wiring for this stage of the electrification?
Hairy Bear
Member
Almost certainly as that's the type of structure that will have the tensioning springs for the catenary.
Just need to wait another 5 years for the next bit.
Just need to wait another 5 years for the next bit.
swt_passenger
Veteran Member
- Joined
- 7 Apr 2010
- Messages
- 32,916
Does that position allow the crossovers to be used by electric trains reversing from the south at Mkt Harborough?
Nottingham59
Established Member
The viewpoint is around 350m beyond the crossover to the North of Harborough station, so it looks like there might be enough room, but with very little over-run.
Also, I notice that the mast nearest the portal is over-height. That should be an indicator of how the wiring is planned at this location, but I don't know enough about OHLE design to work it out.
(I did wonder if the portal structure in the photo is actually the anchor point for future wiring going north, and the anchor point for the cable run south is going to be behind the camera?)
edwin_m
Veteran Member
The end of useable wiring needs to be at least 250m north of the signal to reverse a 12-car 360. Assuming there isn't an additional shunting signal to allow reversal closer to the crossover, there are only two supports north of the signal (the taller one looks too close to the others to be an independent support). If the wires from the south are anchored onto the nearer one there certainly isn't enough length to reverse anything more than maybe a 4-car and even that is pretty doubtful. Hoping @Nottingham59's theory is correct, as it would be very useful for future work if they could put the Corby calls into diverted 810s and run the 360s to terminate at MH.