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    Thread: Points Backdrive - what is it?
Post: RE: Points Backdrive - what is it?
Back-drives assist the point machine to physical drive/shove the metalwork and keep the relevant gaps between the stock and switch rails. Point machines drive the tips of the switch rails, back-drive...
 Jerry1237 Points 2 7,704 19-02-2021, 03:28 PM
    Thread: Mod 5 2013 Q9
Post: RE: Mod 5 2013 Q9
It would be useful to post the paper or excerpt from it.
 Jerry1237 Miscellaneous and General 2 7,485 08-05-2020, 07:52 AM
    Thread: 2019 Exam Results
Post: RE: 2019 Exam Results
Rorydaredking Wrote: (12-02-2020, 03:48 PM) -- Credit on 1, pass on 2 and 5, near miss on 3. Bit gutted to be so close. -- Have you asked for feedback on the near miss?
 Jerry1237 Waiting for the postie..... 7 20,442 24-02-2020, 09:42 AM
    Thread: Former S&T Telecoms (Where to Start?)
Post: RE: Former S&T Telecoms (Where to Start?)
Adding to that Dorothy has stated, look at other people's answers (on this forum) and compare it to your knowledge and see if you identified any feedback. From a more practical point of view, you...
 Jerry1237 Introduce yourself 2 12,833 05-02-2020, 10:21 AM
    Thread: New modules - new forum?
Post: RE: New modules - new forum?
Discussions are being held on what the forum should look like in the future. Am sure these will be shared shortly.
 Jerry1237 Suggestions 1 7,631 07-01-2020, 10:04 AM
    Thread: Signalling equipment installation in OHL
Post: RE: Signalling equipment installation in OHL
Depends if you are asking can we or do we. As far as I am aware, there are no reasons prohibiting it assuming compliance with all the relevant laws and standards. However, equipment that is more sensi...
 Jerry1237 Installation Practices 1 7,133 29-10-2019, 08:47 AM
    Thread: Product Approvals
Post: RE: Product Approvals
NR/L2/RSE/100/05 currently at Issue 3.
 Jerry1237 Miscellaneous topics 6 20,729 26-09-2019, 12:21 PM
    Thread: Product Approvals
Post: RE: Product Approvals
Read the website, the process is quite simple. The requirements can be quite complex. For your Maplins Interlocking... can you demonstrate EMC, that it is SIL4, the environmental requirements beyon...
 Jerry1237 Miscellaneous topics 6 20,729 25-09-2019, 12:57 PM
    Thread: Product Approvals
Post: RE: Product Approvals
NR rarely approve anything, design being a perfect example of NR acceptance whereas a CRE approves it. Acceptance, in this case, is NR accepting the design is correct based on statements made and assu...
 Jerry1237 Miscellaneous topics 6 20,729 25-09-2019, 09:19 AM
    Thread: Product Approvals
Post: RE: Product Approvals
Search the Internet for Network Rail Product Acceptance. For approval, that is generally internal to the organisation you work for. What information are you seeking? Note: there is a significan...
 Jerry1237 Miscellaneous topics 6 20,729 25-09-2019, 08:42 AM
    Thread: 2018 mock exam attempt
Post: RE: 2018 mock exam attempt
Part of the reason for we all recommend practising so much is to help with timekeeping, writing for and hour and a half solid, dealing with the pressure. From what I could see, there seemed to be a re...
 Jerry1237 Past Paper Attempts 2 10,523 17-09-2019, 09:18 AM
    Thread: USS John S McCain Accident Report
Post: USS John S McCain Accident Report
Although not rail based, the linked report highlights some interfaces between competence, design and operation of a system under duress.  Report is in [US] English. https://www.heise.de/downloads/1...
 Jerry1237 Module 1 0 6,111 13-08-2019, 10:15 AM
    Thread: 2013 mock QB8
Post: RE: 2013 mock QB8
Hello, To be fair, the methodology used to answer doesn't appear to answer the question and what is the purpose of pages two onward? Part 1) asks for three mechanisms, the answer gives one. Pa...
 Jerry1237 Question attempts 2 11,697 22-07-2019, 11:38 AM
    Thread: ETCS Balise groups
Post: RE: ETCS Balise groups
Don't forget that some of the signalling system is on-board the rolling stock. Rarely does an [ATO/ATP] train rely on a single source for speed / direction even excluding the driver. Cambrian also use...
 Jerry1237 Transmission Based Signalling 2 13,080 14-05-2019, 03:04 PM
    Thread: Attachment Uploads
Post: RE: Attachment Uploads
Post #10. File downloadable and readable.
 Jerry1237 Having trouble? 10 41,603 18-02-2019, 10:32 AM
    Thread: 2018 module 5 past paper
Post: RE: 2018 module 5 past paper
Links to the IRSE Exam resources on the IRSE website (http://www.irse.org/membership/public/irseexam.aspx)
 Jerry1237 Studying for module 5 4 18,817 24-01-2019, 10:26 AM
    Thread: Study Group 8 April SAFETY & LIFECYCLE
Post: RE: Study Group 8 April SAFETY & LIFECYCLE
Note though; the Yellow Book has been withdrawn as it is considered out of date. However, the basic principles still apply.
 Jerry1237 Studying for module 1 2 17,178 14-12-2018, 09:09 AM
    Thread: 2018 Exam Results
Post: RE: 2018 Exam Results
From memory, it is usually January some time
 Jerry1237 Waiting for the postie..... 8 31,186 23-11-2018, 07:59 AM
    Thread: Pre Event selected questions
Post: RE: Pre Event selected questions
The events are not aimed at teaching people the basics but on honing skills or looking at problems slightly differently. As PJW suggests, the more effort an individual puts in, the more likely they ar...
 Jerry1237 2018 SNC-Lavalin / Atkins Mod1&7 Event 3 13,634 23-11-2018, 07:58 AM
    Thread: ANyone else doing 4 modules in 2018 Exam or am I the only one glutton for punishment
Post: RE: ANyone else doing 4 modules in 2018 Exam or am...
hayesip Wrote: (01-10-2018, 08:27 AM) -- With just a few days to go until the 2018 exam, I thought I'd better introduce myself. I'm a railway signalling engineer based in Brisbane Australia and will ...
 Jerry1237 Introduce yourself 6 21,922 02-10-2018, 08:25 AM