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  • Ashley Down Survey Closes: November 01, 2020
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Author Topic: Access to Ashley Down Rail Station Engagement Survey  (Read 5197 times)
Red Squirrel
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« Reply #15 on: July 07, 2021, 07:13:14 pm »

Eagle-eyed Carol Durrant of FoSBR» (Friends of Suburban Bristol Railways - site) spotted this in the planning pack:

Quote
As a result of the additional trains to service the Proposed Development, the predicted increase in noise is approximately 1 dB during the day and night periods. This increase in sound is predominantly due to the full power operation of the diesel locomotive which forms part of the Class 255 train as it pulls away from the station. This change in level is classified as ‘negligible’ under the criteria used on the most current rail projects in the UK (United Kingdom).

They wouldn't, presumably, be planning to use 'Castles' out to Henbury. Maybe they're thinking of Bristol-Gloucester trains?
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« Reply #16 on: July 07, 2021, 08:00:52 pm »

Class 255 trains

What are these?
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grahame
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« Reply #17 on: July 07, 2021, 08:04:01 pm »

Class 255 trains

What are these?

"Castles" to you.  Grin

From Wikipedia

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Present
Great Western Railway's short formed HST (High Speed Train) sets have been designated the Class 255 Castle classification, though this is not a TOPS (Total Operations Processing System) classification as they are still InterCity 125 trains
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« Reply #18 on: July 07, 2021, 10:45:50 pm »

I always wondered why Ashley Down was two words but Totterdown only one. But given the acronym that would result if it were called Ashleydown, perhaps it's for the better.

Totter Down would be the better name, especially for anyone trying to walk down any of the roads that descend the ridiculously steep hill between Wells Road and Bath Road.
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johnneyw
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« Reply #19 on: November 30, 2021, 11:33:11 pm »

Happened past the site of the future Ashley Down station this afternoon.  It looked as if there has been some vegetation clearance recently as nothing much seems to have grown back so far.  Perhaps more interestingly, there also seem to be a couple of small blue items protruding from the cleared ground set in fairly new looking concrete as in the picture that I took below.
The closer blue object is a tubular shape while the rather more distant one is rectangular.  I've no idea what, if anything, this might have to do with the new station but I thought it might interesting enough to post here.
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broadgage
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« Reply #20 on: December 01, 2021, 05:46:25 pm »

Looks to me like an inspection cover that gives access to a small well or borehole. Probably too small to be a useful water source, more likely to be for survey purposes in order that the height of the water table table may be ascertained.

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A proper intercity train has a minimum of 8 coaches, gangwayed throughout, with first at one end, and a full sized buffet car between first and standard.
It has space for cycles, surfboards,luggage etc.
A 5 car DMU (Diesel Multiple Unit) is not a proper inter-city train. The 5+5 and 9 car DMUs are almost as bad.
johnneyw
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« Reply #21 on: December 01, 2021, 08:38:04 pm »

Looks to me like an inspection cover that gives access to a small well or borehole. Probably too small to be a useful water source, more likely to be for survey purposes in order that the height of the water table table may be ascertained.



Thanks broadgage, that would make sense.  I recall that less than exhaustive ground water surveys were one of the reasons that Bristol Portway P&R (Park and Ride) station was (still is) delayed so hopefully there won't be a repeat here.
Perhaps the more distant protrusion has a related function but it does look clearly different close up being rectangular in shape.
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stuving
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« Reply #22 on: December 01, 2021, 11:04:50 pm »

Looks to me like an inspection cover that gives access to a small well or borehole. Probably too small to be a useful water source, more likely to be for survey purposes in order that the height of the water table table may be ascertained.

Well spotted - the two shown do look very like this:


These are from a company called MGS, are described as well covers, and come in several sizes from 100 cm up. No doubt there are other makers, though perhaps not using that fetching shade of blue. Groundwater monitoring boreholes would be a typical use. The round ones are steel and the square ones aluminium alloy - why you'd want one of each isn't obvious, though it might be as simple as to identify two different kinds of borehole.
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johnneyw
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« Reply #23 on: December 02, 2021, 07:48:20 pm »

Many thanks for that stuving, those illustrations rather confirm it.
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