Strange Sign/Monitoring Device

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Matt
Posts: 47
Joined: 22:17 Tuesday 26th June 2018

Strange Sign/Monitoring Device

Post by Matt » 19:26 Monday 22nd August 2022

I wonder if anyone can give some insight into what these are/what they are for.

The below was on the wall on the approach to Barmouth bridge but I’m sure I’ve seen them on the wall below platform edge at Worcester Forgate St and University station

Are they for some sort of monitoring or adjustment?
20220822_191522.jpg

TimBrown
Posts: 1280
Joined: 05:59 Monday 4th July 2016
Location: Worcester

Re: Strange Sign/Monitoring Device

Post by TimBrown » 15:01 Tuesday 23rd August 2022

Apparently these are Datum alignment plates which measure any movement between the track and the structure that the plate is attached to, as per web link below; and I didn't know that either until reading this internet advert!

https://therailwayshop.co.uk/products/datum-plate

943KHA
Posts: 75
Joined: 18:46 Monday 4th July 2016

Re: Strange Sign/Monitoring Device

Post by 943KHA » 18:11 Tuesday 23rd August 2022

And here was me thinking it was a device for altering the heating on the platform (down for cold, up for heat)...........................................been working under buses for too long!

Matt
Posts: 47
Joined: 22:17 Tuesday 26th June 2018

Re: Strange Sign/Monitoring Device

Post by Matt » 18:24 Tuesday 23rd August 2022

Thanks Tim, I also wondered if it was an adjustment for something but the actual use now makes a lot of sense given the locations I've seen them in.

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