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Thread: Time Values
Post: RE: Time Values
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PJW Wrote: (27-02-2008, 09:24 PM)
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Specifying appropriate values of "t" when compling Control Tables is something I know that several students have found difficult.
I produced the attached to help... |
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reuben |
Control Tables- general
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1 |
16,711 |
03-07-2017, 09:48 AM |
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Thread: 2014 IRSE exam results
Post: RE: 2014 IRSE exam results
| Congratulations to everyone - all that hard work pays off!
Reuben |
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reuben |
Waiting for the postie.....
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16 |
73,555 |
24-02-2015, 09:19 AM |
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Thread: 2007 Main line layout attempt
Post: RE: 2007 Main line layout attempt
| Hi
Here are some quick comments.
It looks like you have made a good attempt, addressing the requirements of the spec / question across the whole layout.
There's no statement of which railway'... |
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reuben |
2007
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2 |
14,540 |
25-09-2014, 04:53 PM |
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Thread: 2009 CTs attempt again
Post: RE: 2009 CTs attempt again
| Hi Arnut
Some more feedback on these:
Route 416B(M)
overlap via 237N should require 234N
overlap via 237R should not require 234R (flexibility)
365B routes should be considered opposing
35... |
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reuben |
2009
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2 |
11,818 |
06-08-2014, 10:02 PM |
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Thread: 2011 CT Attempts
Post: RE: 2011 CT Attempts
| Hi Arnut
A good set of control tables which should do well.
Overall, most of the conditions have been well handled.
best wishes
Reuben
Some quick comments:
Route 216A(M)
opposing ... |
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reuben |
2011
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2 |
13,645 |
05-08-2014, 07:46 PM |
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Thread: 2009 Main Line Layout
Post: RE: 2009 Main Line Layout
| Hi Again
to answser your specific questions:
Q- But one question Signal 109 MAR not required as both routes have same speed. Could you please explain more? I think that by the nature of turnou... |
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reuben |
2009
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30 |
150,214 |
17-06-2014, 04:20 PM |
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Thread: 2009 Main Line Layout
Post: RE: 2009 Main Line Layout
| Headway Calculation
The headway calculation is very well performed, one of the best I’ve seen.
Minor criticism – no braking distance calculated for 40 Kmh or 100 kmh.
It might be worthwhile to dr... |
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reuben |
2009
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30 |
150,214 |
13-06-2014, 01:13 PM |
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Thread: 2009 CTs on IRSE 2012 tables
Post: RE: 2009 CTs on IRSE 2012 tables
| Hi Dorothy
I've had a look at your answers - it's very difficult from a small laptop screen in India, compared to spreading the paper out. However, I've cheated and found a model answer I created a... |
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reuben |
2009
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12 |
45,640 |
30-07-2013, 04:45 PM |
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Thread: Point Machines used in UK
Post: RE: Point Machines used in UK
| Have just located a comparative diagram of the two types side by side.
Notably, the curly inductor symbols in the 1000 are the field windings, and the "MOTOR" is the rotor. because of this, if you ... |
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reuben |
Points
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25 |
240,277 |
07-07-2013, 08:47 AM |
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Thread: DC track circuit
Post: RE: DC track circuit
| It's worth adding that almost universally today, a "DC" track circuit is powered by a transformer-rectifier set from a 110V AC supply. As there is a separate unit for each track circuit, this creates ... |
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reuben |
Train Detection
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4 |
32,341 |
04-10-2012, 12:29 PM |
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Thread: Method of block working
Post: RE: Method of block working
| Dear NJK
Exactly what's expected here is a bit of a grey area.
If you decide that a low-traffic density area is to be operated by an "alternative method" such as a staff or one train working, you mu... |
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reuben |
Miscellaneous Module 2 Topics
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2 |
19,079 |
03-10-2012, 08:57 AM |
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Thread: 2011 Mod 3 Control Table attempt
Post: RE: 2011 Mod 3 Control Table attempt
| Hi again Alex
Sorry for the slow reply- here are further comments on your route control tables:
Route 216A(M)
Route controls:
Good- opposing routes handled correctly.
Selection of availa... |
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reuben |
2011
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15 |
58,626 |
02-10-2012, 12:26 PM |
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Thread: 2011 Mod 3 Control Table attempt
Post: RE: 2011 Mod 3 Control Table attempt
| Oops, my mistake re routes via points R!
Peter's diagnosis of my error was perfectly correct. I lose track of the times I've reminded others to beware of the upside-down route boxes......
I do think... |
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reuben |
2011
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15 |
58,626 |
01-10-2012, 08:57 AM |
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Thread: 2011 Mod 3 Control Table attempt
Post: RE: 2011 Mod 3 Control Table attempt
| Dear Alex
I've had a quick look at 133 points - which reveal in some cases that my "model answer" was wrong and you were right!
it's inevitable in the exam that you will find lots of routes calling... |
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reuben |
2011
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15 |
58,626 |
28-09-2012, 05:21 PM |
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Thread: 2011 mod2 layout
Post: RE: 2011 mod2 layout
| Apologies, Peter has in his usual attentive way beaten me to to it, but I have some more detailed comments on the yard area.
At a quick glance this looks like a good solution which should score wel... |
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reuben |
2011
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6 |
32,811 |
26-09-2012, 08:54 AM |
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Thread: 2009 Main Line Layout
Post: RE: 2009 Main Line Layout
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PJW Wrote: (24-09-2012, 09:46 PM)
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I don't think that you and I are actually disagreeing about what the exam SHOULD be; indeed I think we very much share the same opinion.
Where we differ, is ou... |
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reuben |
2009
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30 |
150,214 |
25-09-2012, 05:31 PM |
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Thread: 2009 Main Line Layout
Post: RE: 2009 Main Line Layout
| I must confess that I have a difference of opinion here over the provision of AWS and TPWS on your layout.
The question says "signal" the layout...... - does this mean that there are no marks for s... |
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reuben |
2009
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30 |
150,214 |
24-09-2012, 10:24 AM |
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Thread: Point CT for Point no 139 Module 3 - 2011 layout
Post: RE: Point CT for Point no 139 Module 3 - 2011 layo...
| Dear Murugesan
Thanks for your posting - here are some comments.
Track circuit dead locking - good, both foul track circuits identified.
Calling and locking by routes (except swinging overlap... |
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reuben |
2011
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4 |
20,331 |
03-09-2012, 01:18 PM |
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Thread: 2011 Question 11. Aspect Sequence
Post: RE: Aspect Sequence Chart for the year 2011-questi...
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Dear Murusegan
Sorry for my slow reply to your posting - Peter asked me to respond, but I was being stupid and have only just found the correct thread!
I have also posted my own "model an... |
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reuben |
Aspect Sequence
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10 |
47,154 |
20-08-2012, 10:30 AM |
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Thread: TORR- Train Operated Route Release
Post: RE: TORR- Train Operated Route Release
| I'll add my own rather simplistic views to the mix.
There needs to be a very high degree of assurance that TORR will not erroneously request a route cancellation when it is unsafe. For example, a f... |
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reuben |
Principles Queries etc
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12 |
88,318 |
10-08-2012, 01:22 PM |
