The Charnwood Forest Light Railway

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Andrew
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Post by Andrew » Sat Apr 16, 2016 9:27 pm

Your neighbours must be wondering what on earth's going on!!! Depending on how well they already know you they might be even more surprised when they realise what the white line really represents...

I remember well the piles of useful building material that had to be moved before each stretch of line could be built - I really did use almost all of mine in the end, but your puzzle analogy is very accurate, that's exactly what it felt like...

It looks like it's going to be a fantastic little line when you get there - first train by the autumn?

Thanks for the update, good luck with the next phase,

Andrew.

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Post by Dwayne » Sun Apr 17, 2016 3:24 am

Andrew, great to see you're making progress. Looks like the railway is going to have the distinctive charm that seems to be prevalent on that side of the pond. :)

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Post by LNR » Sun Apr 17, 2016 11:29 am

Well Andrew I'm obviously late to this project, but I've just read it from the beginning and as others have said, all your planning in the past is now very evident. I get the sense that you will not leave this alone until you have a section of track to run something on. I'm sure all your backaches will seem worthwhile in the end, as you run your first train, and your preparation work will pay dividends in trouble free running in the future. Keep that vision going!
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Post by Soar Valley Light » Tue Apr 19, 2016 8:46 pm

Thanks for the encouragement guys, I need every bit I can get!

I've had a couple of days on the Bluebell Railway (Grant/Dwayne, that's one of our volunteer run Heritage railways) since the last post but now I'm back I must keep chipping away at the job. I managed an hour moving bits and pieces around tonight and the plans are coming together, especially in my head!

I need to get some building sand and cement next and get stuck into the wall building that I've been putting off for weeks!  :?

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Post by Soar Valley Light » Sat Apr 23, 2016 9:47 pm

Two updates within a week, things are looking up for the CFLR!

Determined to try and get a patch of garden capable of planting flowers in this year (bringing the railway closer to completion is just a bonus, honest!), I've pressed on with the work. I'm thinking on my feet a bit more than I really ought to be when it comes to design but it seems to be working out at the moment.

The furthest extremity of the line will be a 242.5 degree curve to take it from one side of the garden and bring it back up the other. One half of this will be occupied by a crossing loop and the other will be the junction off the circular running track up to the terminus area. I want this section of track to be easily accessible, both for loco handling and access to the trains and track for shunting purposes. This also happened to be the area I struck a vein of clean sand and gravel below the subsoil and became a quarry for construction materials. This quarry created a natural operating pit! However, it was only about three feet from the garden wall and street beyond and at the height of production a good four feet below ground level. Obviously that arrangement couldn't remain without serious risk of collapse and consequent undermining of the wall - not the best thing to have fall on the second most important station on your railway; walling was called for!

Originally I planned a two foot path running down alongside the line, finishing in a simple dead end but this didn't feel quite right aesthetically. After some trial and tribulation, not to mention combustion of midnight oil, I came up with a plan for a circular end to the path. I'm not sure my bricking is up to this but we shall know soon enough. This being the lowest part of the new construction I dug a sump about 18" - 2' deep into the gravel bed, lined it with an old plastic seed tray then covered it with some geotextile. Next was a ring of brick ends filled behind with some locally produced hardcore. Today I mixed up some concrete, using some of the excavated sand and gravel, and topped off the brick and hardcore base to give a good footing for the new wall. I hope to start bricking next week although I know I'm short of bricks, despite having had a massive stockpile cluttering up the garden - if I've moved them once in the last two years I've moved them a thousand times! Time to go skip scavenging I think!!!! :roll:


Here's the wall foundation - compare with the much earlier picture of the sand quarry higher up this post, taken from roughly the same place!

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On the edge of the railway a small self set holly tree was already growing. I've decided to try and prune this into a (large) miniature. It's a long shot as it's really far too old to try miniaturising but there's nothing to loose by trying. At least it feels like a positive step and a first piece of my 16mm world!

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Post by KNO3 » Sun Apr 24, 2016 6:50 pm

Are you building a pond too?

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Post by Soar Valley Light » Sun Apr 24, 2016 7:53 pm

KNO3:117709 wrote:Are you building a pond too?
Funnily enough that's what the neighbours asked!

There will be a stream which will end in some sort of catchment area (to provide a sump to pump back from). The inspiration for this has come from the Peckforton Light Railway. However, it will be a smallish affair and none of the excavation you can see is intended to be part of it. The sunken area is intended to be an operating pit for the station and junction area.

Todays activity was confined to stock-taking the bricks available and tidying up the terminus station area. Domestic chores ruled out anything more I'm afraid. :evil:
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Post by KNO3 » Sun Apr 24, 2016 8:46 pm

I was quite sure the sunken area was meant to be a nice pond with lilies and goldfish, surrounded by a railtrack that crosses small bays on the pond's edge on little wooden bridges... :-)

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Post by Soar Valley Light » Mon May 02, 2016 9:46 pm

It's been quite a busy weekend for the contractors engaged to build the railway (Me!). The extra day available made a difference of course. The allotment may have suffered as a result, as has my back, but there is some genuine bricks and mortar progress.

I managed to get a bottom ring of headers down on top of the foundations last week but this Saturday I made a start on building up the wall proper. I'm delighted with the progress. I can't say it's finished because I don't know what that looks like yet, there is an element of making this up as I go along! That's mainly because I'm not certain how much soil I'm going to have to work with at the end of the day. At the risk of overdoing a good thing a couple of photos of the progess are attached.

As you can tell, I'm quite chuffed with my handiwork, mainly because I'm enough of an engineer to know that being able to survey, design and specify doesn't make me a natural bricky! I've done some basic foundation bricking in the past and some very minor reconstruction of a couple of walls but I was very reluctant to attempt a curved wall from scratch, let alone one that is more than 200 degrees of a full circle! After a lot of thought I came to the conclusion this form of construction was the only sensible option and money wasn't available to hire in a sub cantractor so, I took the plunge. Despite having a good grounding in surveying I very nearly came a cropper with this job. You will spot a post in the centre of the well, this was knocked in before the hole was dug to act as a setting out point for the alignment of the railway. There were actually two but this one was used for the main baseline, not just the track alignment so I made sure it survived the excavation. It wasn't installed to the millimeter but was pretty close. Once I set my mind on how to control the wall construction I realised that using a piece of timber cut to the radius of the wall to measure from this post to the construction work would do the job. All was going swimmingly, it was a little cramped working around the post and I was worried about disturbing it, especially after having dug so much ground from around it. It was then I realised that I couldn't remember checking it for verticality - ever! I immediately checked an found that it was indeed out of true! I was three courses up by this stage! Fortunately it was out by less than an inch at that height and so I was able to make the necessary adjustments to recover the situation. There is a saying in the world of engineering (and particularly on the p.way) - 'Measure twice cut once' - basically check and double check before you do anything, I should have checked rather than assuming before I began building. Luck for me a got away with it!

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Post by LNR » Tue May 03, 2016 12:33 am

Well Andrew, given that I'm looking at the wall from the underneath and you say your error is low down, I can't see a thing wrong at all. I'm sure your the only one who will notice any difference if it exists. Great work, looking forward to the first track pics.
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Post by Dwayne » Tue May 03, 2016 4:00 am

Good job Andrew.

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Post by ge_rik » Tue May 03, 2016 5:50 am

As others have said, only you will notice - looks spot-on to me. Mind you, when I built our lean-to (only just realised how apt that name is... ) I'd never laid a brick in earnest before. I did it during that really wet summer (1995??), and I'd assumed the line I was using was drooping in the middle because of the damp and so I compensated. Only after the sun shone and the mortar had dried did I realise my wall has a distinct sag at each end. Of course (oops another pun!!), only I am aware of it.

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Post by Soar Valley Light » Sat May 14, 2016 11:18 pm

Well, progress indeed today. Filcris componenets have been assembled and a start made on installing them. This is only scratching the surface and some significant ground works will be required before I can progress further. These works involve the breaking out of more concrete (the hardest stuff I've encountered so far!) some wall demolition and, most disruptively, the demolition of some of the temporary pathwork that I put in at the end of last summer to avoid a Winter wading through mud! This will mean some very temporary surfacing whilst this section of line is completed. For that reason I need to have all my ducks lined up before I start. I need to keep this phase as short as possible. I have to construct the branch first (rather than the circuit in the main garden) as it has the most severe gradient (1 in 50) anywhere on the system and will set the level of the garden loop.

This is the station site, looking from the buffer stops out towards the rest of the garden. You can just see the line curving away to go round the honeysuckle arch. the main circuit will be in the garden beyond.

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Progress will be pushed on as quickly as possible but I need to take it at a pace that allows thinking time, there's also this unreasonable demand made by my employer, whereby I only get paid if I go to work!

Watch this space.......

Andrew
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Post by Dwayne » Sun May 15, 2016 3:15 am

Great job. Will continue to watch for progress. :thumbright:

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Post by tom_tom_go » Sun May 15, 2016 4:52 am

I like the look of the station area Andrew and the track curving round the honeysuckle.  There is no way I would of ever been allowed to perform such earthworks in my garden ;)

Are you planning run around loops as the station looks to be a terminal design?

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Post by Soar Valley Light » Sun May 15, 2016 8:11 pm

Hi Tom Tom & Dwayne, thanks for the encouragement.

The schematic track plan for the station is shown on page two of this thread. Exact positioning of the S&C has yet to be finalised and the sidings may end up coming off the main rather than kicking back out of the bay, these details will be sorted as work proceeds.

I'm lucky when it comes to the garden, my partner isn't particularly bothered what happens out there, provided there is a bit of colour. The trouble is the only colour there has been for the last three years has been brown, that needs to change - and soon!

I made a start late this afternoon with chopping through the next bit of concrete slab that needs to go, nothing more than putting a line down on the ground (literally!) with a bolster and hammer. At between four and six inches thick I'm going to have to show it the six foot bar. After a cake filled weekend I need it to work off some calories! :confused2:

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Post by LNR » Mon May 16, 2016 3:28 am

Don't envy you having to chip through 6" of concrete Andrew. It will be worth it I'm sure. Eat plenty of cake!
Grant.

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Post by James from Devon » Mon May 16, 2016 10:11 am

"Progress will be pushed on as quickly as possible but I need to take it at a pace that allows thinking time, there's also this unreasonable demand  made by my employer, whereby I only get paid if I go to work!"

Hi Andrew

My employers are just the same...very inconsiderate! ;)

You are certainly making progress, the filcris boards will be an excellent base. I cant wait to see some rails laid on them! I am very impressed with your ground works and definatley good to have the thinking time! Saves mistakes later... (Guess how I know that's a good idea!!)

Good luck with the concrete, maybe try getting a very long 8mm drill bit and chain drilling the concrete...it often breaks out faster that way ... assuming its not reinforced!

Keep the pictures coming!

Cheers

Jim
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Post by Andrew » Mon May 16, 2016 9:00 pm

Oooh, this is looking exciting! It looks like it's going to be a lovely line...

Keep up the good work!

Andrew.

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Post by Soar Valley Light » Mon May 30, 2016 9:44 pm

More progress today and just a fraction of it looked vaguely railway like when completed!

I've been working on the basis of the branch from the top station passing through a tunnel to get it under the 'pinch point' where the main path squeezes between the corner of the wood shed and the archway over the old path sloping down into the lower main garden. Once I began building up and installing the Filcris road bed I began to see that a tunnel was going to be tricky.

I was intending to use S&T cable troughing as the tunnel structure but the only stuff I could beg off the GCR S&T lads was 1'-0" deep and 1'-6" wide. This would mean the path being quite high and to maintain even levels would need two units side by side. The units are 1.0m long and so long enough in themselves for the tunnel but being straight meant that the railway would need to curve round to the tunnel mouth in the open. This would cut right into the already narrow path and create a significant hazard.

I took some levels yesterday to work out how the line would cross the top of the old slope (which I need to maintain as an access to the bottom half of the garden). These levels revealed that the line would be so high at the location where it was planned to go into the tunnel that the path would have to be raised (with a step) by at least 4", right at it's highest point and in an area where I really wanted to lower it by the same amout. Neither do I want a step in the path. This confirmed that a tunnel was not an option.

I realised I needed to come up with a way of squeezing in the path and a railway cutting through the narrow space available between the outbuildings (leaving room to add an additional building off the end of the current row) and the wrought iron arch carrying the honeysuckle over the aforementioned slope of the old path. Just to make life interesting one of the honeysuckles is rooted in the same space and I really didn't want to dig it out to replant it; I would have had to cut it off at ground level and loose years of growth. Some VERY careful measuring ensued and I decided I JUST had room to use some old blue brick pavors on end to line the cutting on one side and some stone effect concrete slabs on edge to line it next to the path and to provide a little bit of an upright barrier between the path and the railway cutting. I think it's going to work out ok, the intended dimensions have been achieved. I didn't manage to extend the Filcris bed through the cutting area today though, as I ran out of time.


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The bricks and timber across the cutting are only temporary! They are keeping the walls apart until everyhting is firmly bedded in place. The cutting looks deep enough to have been a tunnel in these shots but is actually much deeper than it's intended finished level by about two to three inches. It has been over dug to allow room for the Filcris road bed to go in with some clearance on it's underside for 'tweaking' levels.

I'm not sure I'm going to make much more progress during the next week or so but that may not be a bad thing. One thing I've had confirmed time and time again on this project is that thinking time is everything!

Andrew
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