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Author Topic: Plaque marks place in history for 1880s listed footbridge at Wokingham Station  (Read 3851 times)
stuving
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« Reply #15 on: January 21, 2021, 04:19:56 pm »

Does Wokingham have a dual sewerage system (foul and storm)?

Thames Water do have big surface water sewers, mainly for the roads, and one runs close to the car park. Where that leads I don't know - there is another one that does the obvious, and runs down the main road, but this one goes cross-country and actually runs right under those cabins.

So that end of the new road, and the car park (before and after up-storeying), drain into that 975 mm SW sewer. There are no houses along Station Approach (aka Link Road), so it has no foul sewer along it - the station has its own drain going the other way, to Station Road.

The terminology is a bit confusing - are there really some places with surface water sewers separate from road drainage? And practice varies a lot too.  Whether a surface water sewer discharges to a watercourse (the Emm Brook would be the nearest here) or into a foul sewer is another question altogether.
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ellendune
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« Reply #16 on: January 21, 2021, 08:29:08 pm »

The terminology is a bit confusing - are there really some places with surface water sewers separate from road drainage? And practice varies a lot too.  Whether a surface water sewer discharges to a watercourse (the Emm Brook would be the nearest here) or into a foul sewer is another question altogether.
Some definitions

A sewer intended to transport both foul sewage and surface water is a combined sewer. 
A sewer intended to transport only foul sewage is a foul sewer
A sewer intended to transport only surface water is a surface water sewer
A pipe transporting only surface water from roads is technical a highway drain and is not a sewer at all. 

I could go on, as I could write a whole book on it - well I have written a whole chapter of a book on it. 
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eightonedee
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« Reply #17 on: January 21, 2021, 11:03:36 pm »

The confusion goes further. Over the decades the responsibility for sewers has changed hands. One upon a time it was the old borough, rural and urban districts. After the 1974 local government reorganisation it passed to the new second tier authorities before being transferred to the new privatised water and sewer companies under the Water Industry Act 1991.

The old local authorities had varying standards of record keeping and supervision of drainage works. An extreme example was when much of Caversham passed from Henley Rural District Council to the County Borough of Reading in the 1920s there were almost no records kept to pass over, so even in the 1980s Reading Borough Council did not know where many of Caversham's sewers ran. Prior to 1974 the highways and sewerage authority were often the same, so the distinction between surface water sewers and highway drains seems to have not been something that many councils saw as important.

In the vicinity of railways there are also drains constructed as accommodation works when the railways were built too. Who know what has been connected into them since the nineteenth century.

The categories set out by Ellendune is I think clear. The problem is finding out what the sewers actually do if they are old, rather than modern sewers laid out under agreements with the sewer undertakers.
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MVR S&T
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« Reply #18 on: January 21, 2021, 11:43:05 pm »

Perhaps this subject and the new siding could be merged, called interesting things at Wokingham. yes drains and sidings, with the re instatement of existing mechanical signalling from the levers in the signal box IS good to learn about, if that is what is afoot?
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stuving
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« Reply #19 on: January 26, 2021, 06:56:53 pm »

Perhaps this subject and the new siding could be merged, called interesting things at Wokingham. yes drains and sidings, with the re instatement of existing mechanical signalling from the levers in the signal box IS good to learn about, if that is what is afoot?

I can't see why - it's not as if either board is particularly full of threads. However, it does look a bit odd that they are not on the same board. I guess that just happens if boards are labelled for services, and two run through Wokingham station.

Incidentally, the crew support module has disappeared, as have all the crews. Presumably it was for the scaffolders and wrappers. The next step is I think to wait for listed building consent - all that's been done so far is a little light dismantling, perhaps to facilitate scaffolding and wrapping.
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