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May 4, 2007 20:35:17 GMT
Post by glasgowdriver on May 4, 2007 20:35:17 GMT
hi any one know why district line was shut at peak time this mroning alot of rumours going about canteen about signal failures and point failures i have never seen it so bad that early in morning???
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May 4, 2007 20:41:07 GMT
Post by c5 on May 4, 2007 20:41:07 GMT
There was a signal failure this morning at Earl's Court, then another one on the Eastbound approaching Victoria. This was being caused by a "track defect" (not a broken rail though) and the ERU went out to deal.
And the Northern had Late Surrender Protection owing to staff still being on the track.
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May 4, 2007 20:55:47 GMT
Post by jimini on May 4, 2007 20:55:47 GMT
And the Northern had Late Surrender Protection owing to staff still being on the track. Yeah, I really appreciated that at 0615 this morning  |
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Chris M
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May 4, 2007 21:28:49 GMT
Post by Chris M on May 4, 2007 21:28:49 GMT
There was a signal failure this morning at Earl's Court, then another one on the Eastbound approaching Victoria. Ah that explains why the whiteboard at HSK was saying "signal failure at Earl's Court" when the announcements were blaming a "singal failure at Victoria". I spent a bit of time on the Wimbledon branch today where the service in each direction seemed to be three trains with a not-too-shabby headway between them then a long gap. At one station the whiteboard was displaying "very severe delays" with the very obviously added after the rest of the message. |
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Deleted
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May 5, 2007 1:14:59 GMT
Post by Deleted on May 5, 2007 1:14:59 GMT
it was a blip in the signal main this caused nothing but headaches around the west ken area only real problems was a pumping trainstop on EC300 (TQ failure)
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Deleted
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May 6, 2007 13:34:59 GMT
Post by Deleted on May 6, 2007 13:34:59 GMT
the victoria failure was due to a broken down insulating postive conductor rai pot which was shorting out the track circuit by causing a earth on the track circuit and also having 600V D.C on the track circuit because the new sleepers (ones used on the BTR works) have a re-inforced steel bar in them this was shorting out the track circuit. also we noticed at certain locations the westbound and eastbound roads are tied together using steel hooks so if you dont notice this could cause 2 track circuits failures one on the westbound and also one on the eastbound as these are not electrically isolated the victoria failure cost metronet approx £400k in fines and did b*gger up the service all night long i believe
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Deleted
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May 28, 2007 15:49:15 GMT
Post by Deleted on May 28, 2007 15:49:15 GMT
Yesterday's problems around the Bromley / Plaistow area were a catastrophe for me and I never did make it to where I was going. The announcer man said it was due to "a multiple signal failure" and sounded proud of it. I reckon the signalling system runs on Windows ?
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May 28, 2007 15:52:02 GMT
Post by c5 on May 28, 2007 15:52:02 GMT
I reckon the signalling system runs on Windows ? Thankfully not.... ....yet ;D |
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Deleted
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May 28, 2007 16:57:20 GMT
Post by Deleted on May 28, 2007 16:57:20 GMT
the failures yesterday around plaistow was due to a faulty train with a positive earth traction fault this was blowing each track fuse it was travelling under
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Tom
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May 28, 2007 20:53:41 GMT
Post by Tom on May 28, 2007 20:53:41 GMT
it was a blip in the signal main this caused nothing but headaches around the west ken area only real problems was a pumping trainstop on EC300 (TQ failure) O/C No.1 contact on the TR? I reckon the signalling system runs on Windows ? Thankfully not.... ....yet ;D May I suggest you have a look at the Wood Green - Cockfosters computers next time they reboot. Last time I looked they were running on Windows for Workgroups 3.11. Oh, and over here in the other country, I have seen a MITRAC screen full up with the windows disk error! |
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May 28, 2007 21:33:33 GMT
Post by c5 on May 28, 2007 21:33:33 GMT
Tom, I was talking about Bromely and Plaistow....!
I did notice that the Wood Green - Cockfosters had some Windows XP screens as well as some older ones the other day..... All mod cons over there!
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Tom
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May 28, 2007 22:21:16 GMT
Post by Tom on May 28, 2007 22:21:16 GMT
Ah, well the signaling in that area is run by little hamsters turning a wheel to produce the 33 1/3 Hz supply!
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solidbond
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May 28, 2007 23:34:57 GMT
Post by solidbond on May 28, 2007 23:34:57 GMT
Ah, well the signaling in that area is run by little hamsters turning a wheel to produce the 33 1/3 Hz supply! Are you sure about that? I didn't think they'd upgraded to hamsters yet, and were still using ants |
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May 29, 2007 9:07:57 GMT
Post by coyote on May 29, 2007 9:07:57 GMT
[ ....yet ;D May I suggest you have a look at the Wood Green - Cockfosters computers next time they reboot. Last time I looked they were running on Windows for Workgroups 3.11. [/quote] Last time I looked, the computers running the Picc looked like this www.hpmuseum.net/exhibit.php?class=3&cat=33, from the era before Windows and DOS. |
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Oracle
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May 29, 2007 10:48:51 GMT
Post by Oracle on May 29, 2007 10:48:51 GMT
Wow! I'll bet Fred Flintstone used one of those!
Actually, at least Windows 3.11 worked. I can remember the rush for 95, but decided to wait and see. Then the bugs were largely ironed out when 98 was available. Now I run XP, and dare not instal Vista. This from he who has been using computers for about 36 years now!
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Deleted
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May 29, 2007 16:10:59 GMT
Post by Deleted on May 29, 2007 16:10:59 GMT
no tom was not o/c 1's on the TR it was that 2 substations had lost sync with eachother but it was weird that only that particular track was affected no one could understand why
and also 2's points at earls court has a gravity baised relay can you guess what happened there?
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Deleted
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May 29, 2007 16:35:26 GMT
Post by Deleted on May 29, 2007 16:35:26 GMT
cambell road to upminster has 2 signal AC mains one at 440V and another at 600v
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Deleted
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Jun 8, 2007 16:28:31 GMT
Post by Deleted on Jun 8, 2007 16:28:31 GMT
I'm not exactly sure what you are talking about, but back in the early 70s, I regularly travelled from Monument to Gunnersbury and back. I was never late for work and never frazzled when I got there because of delays. I regularly travelled all over London for football and drinking purposes (not combined) and was never late for an appointment. Are these modern excuses for delays or what ? The sun shone all the time too !
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Deleted
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Jun 8, 2007 17:10:03 GMT
Post by Deleted on Jun 8, 2007 17:10:03 GMT
no its called using the same system as in the 70's and its getting a bit tired now
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Jun 8, 2007 18:33:18 GMT
Post by trainopd78 on Jun 8, 2007 18:33:18 GMT
That and us running double the frequency causing the equipment to be used more. These improved frequencies also lead to slower recovery time when delays occur.
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Deleted
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Jun 10, 2007 23:29:56 GMT
Post by Deleted on Jun 10, 2007 23:29:56 GMT
Actually, at least Windows 3.11 worked. I can remember the rush for 95, but decided to wait and see. Then the bugs were largely ironed out when 98 was available. Now I run XP, and dare not instal Vista. This from he who has been using computers for about 36 years now! I've taken the same view of Mr Gates's kit over the years: he has a track record of selling prototypes, altho' to be fair I've found XP does what it says on the tin. I could get almost nostalgic for the days of PCs with no hard drive and only a c: prompt... but only almost  |
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Ben
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Jun 11, 2007 5:19:21 GMT
Post by Ben on Jun 11, 2007 5:19:21 GMT
On the subject of XP (and not on the subject of the thread  ), Ive got an horrible little virus I cant get rid of since its always in memory. If I were running 98 I could just hack the startup files to delete the file before windows booted; no such luck with XP! The moral is that sometimes out-dated technology is better because its easier for untrained people to understand and work with. Its part of the 'New vs. Old' debate, which ultimately will never reach a conclusion. Out of interest, could anyone estimate the number of trains over the last 30 years the signalling system has had to accomodate? |
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Deleted
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Jun 11, 2007 10:37:44 GMT
Post by Deleted on Jun 11, 2007 10:37:44 GMT
That and us running double the frequency causing the equipment to be used more. These improved frequencies also lead to slower recovery time when delays occur. I was under the impression that peak frequencies have been reduced on the District Line to try and improve reliability. Maybe off-peak frequencies have improved. |
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Jun 11, 2007 16:42:06 GMT
Post by trainopd78 on Jun 11, 2007 16:42:06 GMT
That and us running double the frequency causing the equipment to be used more. These improved frequencies also lead to slower recovery time when delays occur. I was under the impression that peak frequencies have been reduced on the District Line to try and improve reliability. Maybe off-peak frequencies have improved. No, frequencies have remained steady for at least 8 years now, but are a vast improvement from the 70's and 80's. To combat the reliability issue we got more run time to get from end to end which has done a lot to help. 5 mins can make all the difference. |
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), Ive got an horrible little virus I cant get rid of since its always in memory. If I were running 98 I could just hack the startup files to delete the file before windows booted; no such luck with XP!
