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Bluebell Railway Infrastructure News
2017 Archive

30 November 2017: OP4 - the pointless way in...
A short report with thanks to Jon Goff.

Temporary trackwork laid to enable the first carriages to be placed undercover in the new shed at Horsted Keynes

With the date of the official opening of OP4 fixed on 30th November and insufficient pointwork built to connect it properly, another simple way had to be found to guarantee the opening would go ahead on time. The easy way out of the problem was to break the existing track and slew it across to the temporary track so no points were needed on the day - a "pointless" solution.

Before any stock could be put in the shed, F-road was straightened using the jib of the big digger to push or pull it into position. Old short track panels lifted from the Leamland points relay job last year were joined onto the end of F-road to form a temporary "wobbly railway" down to the position where it was to be connected to the existing track.

Extended F-road - Jon Goff - 30 November 2017 Disconnected and slewed headshunt - Jon Goff - 30 November 2017

Extended F-road
Disconnected and slewed headshunt

Video from Andy Palmer - 30 November 2017 This YouTube video from Andy Palmer shows the opening ceremony from a different perspective, and gives a real idea as to the actual size of the shed as the first coaches are propelled into it.

For the ceremony, the carriage and wagon shunter, known as 'Skippy', was parked at the bottom of the existing headshunt. Next the three coaches to be put into F-road in the ceremony were shunted in front of it. Next the headshunt was disconnected at the south end of E road points and pushed across with the big digger to the temporary track which was then marked for length, cut, drilled and bolted onto the slewed track, forming a totally isolated section of rail. This was just in front of the new OP4 points, where the crossing nose section of which was left off to make room for the exercise.

After the ceremony and with the coaches in the shed, Skippy ran back down into the headshunt which was then slewed back into position and reconnected as normal. This section of track can be slewed as many times as is necessary to fill F-road (and indeed, subsequently two further carriages have been moved in) and with the other end of the temporary connection slewed to join up with G-road in the same way the two roads currently completed in the shed could be filled in just hours.

Completion of and access to the remaining shed roads awaits the stabilisation and widening of the ground forming the shed throat, which is under way, with initial work taking place at the foot of the embankment.

November 2017: Poleay, a "Humpback Bridge too far"
Report with thanks to Jon Goff.

Monday 6th November saw work start in earnest on the Poleay Bridge Project with the full closure of the line and possession of the line north of Sheffield Park handed to the Infrastructure team. Andy Palmer has produced a brilliant YouTube video showing clips of the project. This is a "Must Watch" three minutes!

This earlier report shows the casting of the concrete blocks, the installation of which was a major part of the project.

What have we done and why? Poleay Bridge before work started - Jon Goff - November 2017 Although the bridge was still in a safe condition, ballast was slowly slipping away on either side of the bridge causing the rail to dip on either side. Also there was a cant on the rails over the bridge suitable for fast running through the station left over from BR days. At the speeds travelled across the bridge nowadays, no cant is needed. The cant had been set by notches cut into the underside of the bearing timbers and so could not be removed without replacing those timbers.

Right: Track falling away off the "humpback" bridge end and a badly dipped joint beyond.

The timbers were not yet life expired but did not have a lot of safe life left in them. Other woodwork such as the fence across the bridge was close to life expired although not in the original replacement plan. Therefore it was decided to "do the whole job" i.e. replace all wood in the structure and build solid concrete ballast retaining walls supported on deep piles. Thus when the river floods again and uses this bridge as an overflow, if the water erodes the ends of the embankment the piles and concrete will ensure the integrity of the track bed.

Lost Ballast - Jon Goff - November 2017 Poor retaining timbers - Jon Goff - November 2017

Lost Ballast
Poor retaining timbers

Starting the Job at the points.
As the bridge is less than three panels from the tip of the points, it was wise to start the job there and consolidate the track bed from the point tips to the bridge. The track bed was still the original one as laid when the railway was first built. It was, as a lot the rest of the track bed still is, covered in a layer of beach shingle. This is round pebbles that do not lock together like proper rail ballast and can therefore slip much more easily.

It was therefore decided to dig this out down to the bottom of the shingle and replace it with proper ballast which will stay where the tamper puts it. Tamping shingle is like trying to tamp a pile of billiard balls - they just won't stay in a pile which is a significant reason why we get the slippage and badly dipped joints. The points were replaced in 2006 and the track bed was dug out for that job then so it was sensible to continue on from there.

Track lifted out south of the Bridge - Jon Goff - November 2017 Looking south towards Sheffield Park Station - Jon Goff - November 2017

Darren digging out the track bed while the laser bulldozer waits its turn to level the ballast.
Both photos taken from the newly replaced bracket signal platform.

The first part of the job was to lift the track from the point tips to the bridge, save the top ballast, dig out and discard the shingle and use the old top ballast as a base under the replaced sleepers where the shingle was. Fortunately there was enough of the old ballast saved to just grade it out with the laser controlled bulldozer ready to put the sleepers back without having to bring in more stone, although some new top stone will be required before it is tamped.

The points are bullhead rail and there was a short bullhead panel to the next joint which is the insulated block joint (IBJ) for the signal. This had to be put in back in exactly the same position next to the signal and so a pair of our new bullhead rails had to be cut short to fit into the position. IBJs are VERY expensive so we wanted to reuse the same ones back in their original position. This meant that the next rail also had to be new bullhead which also had to be cut slightly short as a closure section to the next, flat bottom, rail.

Next a full panel of new flat bottom was laid which took us up to four feet from the bridge which was ideal as a 60 foot rail would take us four feet past the other end of the bridge, thus giving us a standard length over the bridge without a joint and giving enough space for digging out for the ballast retaining walls either end.

End of day 2 - Jon Goff - November 2017 Digging out for the ballast retaining walls - Jon Goff - November 2017

Dug out, levelled out track almost back at the end of a rainy day two
Digging out for the ballast retaining walls at the south end on day three

Day three saw the south end dug out 1200mm below the sleeper tops and the first two of the piles drilled and filled with concrete and with an old rail down the middle. The following day the other two were drilled and filled, metal plates put over the protruding rail ends and the precast retaining walls put in place over the piles and concreted in.

Drilling piles - Jon Goff - November 2017 Drilling piles - Jon Goff - November 2017

Drilling out the 4 metre deep piles with a big auger

Top of the piles with steal plates in place - Barbara Watkins - November 2017 First precast concrete block being lowered - Barbara Watkins - November 2017

Top of the piles, with steal plates in place, and the first pre-cast concrete
ballast-retaining block being lowered into position (both photos by Barbara Watkins)

Youtube clip - Andy Palmer - November 2017 In the Youtube clip by Andy Palmer, when the first block went in, it was dropped exactly in the right place perfectly in line, flush with the bridge and perfectly level, Matt Crawford is seen virtually doing cartwheels as he was so pleased with how good it all was. He is quite fussy about getting things right and so it must have been very good - and it was!

Friday, Saturday and the following Monday saw mainly bridge timber work. The rails were cut back in sections while the timbers were renewed in order to keep the gap as small as possible for safety reasons. The new boards were laid temporarily overlapping each other and moved up each time another timber was put in place.

The timbers rest on a riveted steal framework that has had some concrete reinforcement added to it in the past. The whole bridge is slightly bent in the opposite direction to the curvature of the rail. Also the high rail is on a lower beam than the low rail by 20mm at the south end. This is probably due to settlement of the original piles in the dim and distant past. Therefore the notching of the underside of each timber had to be measured and individually cut to size to fit in order to set the top of the timbers level for the rail chairs. In addition, there is the line gradient which had to be added into the dimensions. This is where the laser level really pays off.

Notching the new timbers - Jon Goff - November 2017 Last few timbers going in - Jon Goff - November 2017

Notching the new timbers
Last few timbers going in

These timbers are held in place with "j-bolts" virtually all of which we could reuse with a bit of reworking of the threads. These are long bolts that go right through the timber and hook under the steel beam and are tightened up with a nut and washer on top of the timber next to each rail chair.

Underside of the bridge under the timbers - Jon Goff - November 2017 Close up of the bottom of the J bolt - Jon Goff - November 2017

Underside of the bridge under the timbers
Close up of the bottom of the J bolt

Poleay Bridge before work started - Jon Goff - November 2017
New J bolts manufactured my Mike Hopps with an original one as a pattern.

Before the new rail could be put in over the bridge, the north end had to be dug out, piled and have the precast concrete block ballast retaining wall put in place. This was carried out in exactly the same manner as the south end: firstly dug out with the grab bucket on the road railer, pile holes drilled with the auger also by the road railer, a section of rail pushed into the middle of the bottom of the hole, back filled with concrete, vibrated, metal support plates placed and levelled over the piles, the three precast blocks placed in position over the plates, concreted in place and back filled with ballast compacted down in layers.

North blocks in place - Barbara Watkins - November 2017 Backfilled, and new rails in place - Jon Goff - November 2017

North blocks in place
(photo by Barbara Watkins)
Backfilled and compacted with new rails in place over the bridge

Once this was done and the new rail put in over the bridge in a curve to match up with the curvature of the rails either side, the remaining work was split between two teams. One team primarily worked on the replacement of the decking timbers and the other on the some further rail replacement to the north of the bridge.

A full 60-foot length of flat bottom (FB) rail was added first, making a total of three FB panels, one on the bridge and one on either side. Two more, shorter bullhead panels were re-laid using the best of the rails that had been removed. This was a little more rail replacement than was originally planned but was done to get rid of a very badly dipped joint shown in the first photo above.

Again the track bed was dug out and the good ballast put back where the beach ballast was and laser bulldozed flat to the correct gradient. The rails that were reused had the ends cut off and re-drilled to get rid of the crippled section that forms either side of a dipped joint.

Lifting the next panel - Jon Goff - November 2017 Laser dozed and ready for laying the sleepers - Jon Goff - November 2017

Lifting the next panel
Laser dozed and ready for laying the sleepers

The flat bottom rail was mounted on second hand concrete sleepers bought in for the purpose, spaced at 28 sleepers per 60 foot panel, as opposed to the original 24 per panel. The bullhead was also re-spaced at 28 per panel using the existing concrete sleepers laid in BR days. Quite a lot of the old sleepers required the nut and captive bolts to be freed up so that they could be tightened down onto the chairs before reuse. Many had worked loose over the years since they were first put in which was long before Bluebell existed.

Relaying the Bullhead rail - Jon Goff - November 2017 Loose but rust welded chair nuts - Jon Goff - November 2017

Relaying the Bullhead rail
Loose but rust welded chair nuts

The final rails to be fitted were chosen, temporally fitted to get some plant across the bridge and then rejected. One had a big sideways cripple in it and the other has so much side wear that the closing joint would have had a 10mm sideways step at the top corner! Fortunately the last pair of rails we had which had been taken out were OK for a few more years and so these were fitted in place.

The last job on the track was to ballast it, plough the ballast and then tamp the track up to the correct level. More top ballast was added and ploughed to consolidate the track and create the correct profile with the proper ballast shoulders.

As the rails over the bridge are directly screwed to the bridge bearers, obviously we didn't want to Ballast the bridge. This cuts the job into two short ballast runs rather than one long one and so ballasting was done like most short ballast jobs nowadays. The ballast hopper wagons are only used on longer runs as the ballast cannot be turned off easily once running and not at all if the ballast is being dropped between the rails. Instead ballast is loaded into the "ballast boxes" mounted on the trailer behind the road railer and "spooned" out and dropped into place with the scoop bucket as seen below. For smaller jobs this is done surprisingly quickly.

Sprinkling ballast the track - Jon Goff - November 2017 Final tamping run - Jon Goff - November 2017

Sprinkling ballast the track
Final tamping run

Re-erecting the up advanced starter - Jon Goff - November 2017 Once the track was reconnected, another job was carried out for S&T done quickly and on the spur of the moment as the road railer was available right where it was needed. The up advanced starter signal was "replanted" in a new hole.

It had been "felled" with a chain saw after all the fittings had been removed for maintenance. The base had rotted out and was becoming dangerous although the rest of the post is in good condition. Therefore, as it was much taller than necessary, just chopping the bottom off and re-erecting it was the low cost prudent and quicker option.

Left: Infrastructure and S&T forces join to re-erect the up advanced starter. Dry concrete mix is tamped down the hole around the base of the shortened signal post.

Meanwhile the rest of the team set about replacing the remainder of the bridge planking. The walk way planks at the side and their bearers were also replaced despite not being part of the original plan. The wooden fence by the walkway was in poor condition and so had to be changed as well, thus all the wood in the bridge is now renewed. This fence was extended off the bridge by using two pieces of the old rail cut and drilled for the end fence posts.

There was some rot found subsequently in one of the main timbers when being heavily handled into its new role. These were reused as a temporary crossing over the temporary track leading into OP4. Thus providing final justifying proof of the requirement to carry out the replacement on a bridge that "looked alright".

The last job was to replace the metal fence rails on the west side of the bridge, as these were rusting badly. The tubing was held in place with thick steal brackets riveted in place with 1/2" rivets. Cutting off the 1" head with a cutting disk still didn't release the brackets without some seriously heavy blows to drift the shanks out of the holes in the 1/2" thick angle iron fence posts.

For the new hand rails, 38mm galvanized pipe was used and these were extended further than the originals at the ends for additional safety. This meant that the curved end bars could not be replicated at the time without much greater expense to manufacturer and anchor them.

Old and new handrails - Barbara Watkins - November 2017 Old handrails - Barbara Watkins - November 2017

Old hand rails rusted out beyond reuse (both photos by Barbara Watkins)

Jon Goff grinding off the brackets - Stewart Moon - November 2017 New hand rail finished - Barbara Watkins - November 2017

Yours truly grinding off the brackets (photo by Stewart Moon)
New hand rail finished
(photo by Barbara Watkins)

The finished bridge - Jon Goff - November 2017

The finished bridge

The whole task was finished just within the three weeks allocated despite the added tasks of the walkway and hand rails. The possession was handed back in time for the scheduled services to start again on the Saturday and stock to be transferred to Horsted Keynes from the loco running shed.

With all the timber being pre-treated and all holes/cuts/notches having added (green) wood preserver applied, the bridge should last another fifty years before any further major work is required.

12 November 2017: Two months work on OP4 access trackwork
Report with thanks to Jon Goff.

Frenetic points-building for OP4 with help from the Netherlands
Following Bruce's report at the beginning of September showing the engineering siding having been removed, the ground was laser bulldozer levelled, a new point built (from some old points) and the engineering siding relayed and extended. These were assembled in part by members of Museumstoomtram Hoorn-Medemblik who came over for a week to help out and have done some terrific work. They come over from the Netherlands for a week's "holiday" every year and we are glad to see them. They also did a lot of work on two other points mentioned below.

The down yard requires quite a lot of relaying out to connect OP4 to the existing tracks. We ideally need a longer headshunt than we currently have but if we connected OP4 to the existing headshunt, the points would be too far back that the headshunt would be shorter still - and we would also lose the engineering siding. Therefore the current engineering siding will become the new headshunt as it is further over towards OP4. The existing headshunt will be plain tracked and become a stock siding long enough for a full rake. That will be relayed later when time and resource permit and may well be disconnected for a while until another left hand turnout can be built.

A new engineering siding will be built to house the plant machines such as the road railer and trailer(s), tamper and maybe the Wickham trolley out of the way of the headshunt. The first photo below shows the newly built pointwork being worked on by members of Museumstoomtram Hoorn-Medemblik and was made up from parts of the points originally installed north of the tip at Imberhorne for the tip trains. This will split the replacement engineering siding off from the new headshunt.

The embankment at the end of the sidings has been extended a few feet towards station approach using soil from the pile in front of OP4 as apparent in the second photo below.

New Headshunt and engineering siding points - Jon Goff - October 2017 Extended embankment beyond the old headshunt - Jon Goff - October 2017

New Headshunt and engineering siding points
Extended embankment beyond the old headshunt

The new headshunt will effectively form a double track with the existing running in/headshunt track and will be extended right up to and include the currently disconnected road B via a new set of points. It is being laid on a proper bed, with a plastic sheet and terram underneath it and fresh ballast as seen below.

It can be seen that the new points are pointing towards a position behind the signal box. OP4 is only approximately 100 yards from the tips of the point and so the track must curve over a long way to reach the new shed. To ease the curve the points will be swivelled around a little so that they point directly at the signal box and with a 520 metre radius curve in it, the OP4 track should reach G road without any reverse curve to bring it in line.

This alignment will be done in the same manner as all rail alignments using the big digger on the right. This will also smooth the curve in the headshunt track. We do these final alignments by eye after plotting out and building the basic alignment of all our trackwork. The digger jib pushes or pulls the line a little at a time according to the instructions of whoever does the eyeing up.

New headshunt viewed from south - Jon Goff - October 2017

Above: New headshunt viewed from south

New points being built next to Ardingly siding - Jon Goff - 16 October 2017 Two new sets of points nearing completion despite Storm Ophelia.
The picture on the left taken under the dark, coloured skies of Storm Ophelia on Monday 16 October, shows two new points being built by the Ardingly siding. The nearest set will be the OP4 turnout from the headshunt and will be fitted directly onto the points in the picture above. They have been curved to the right with the 520m radius and have a right hand turn out curved away further from that. That will go to all the OP4 shed roads. It can be seen with the closure rail between the point blade and the crossing being jacked over before being cut to length. The turnout has been completed since this photo was taken.

Left: Curved OP4 point in the foreground under construction with a completed crossover point in the distance. This was the real natural colour of the Storm Ophelia daylight.

The furthest set of points will be attached straight onto the nearest set and will continue straight on towards road B with a left turnout. This is the first of the two crossover points to the existing running in track. The two points below are more or less complete now thanks to the help of the Dutch working group from Museumstoomtram Hoorn-Medemblik.

If the other set of the crossover pair, seen disconnected in front of the two grey cabinets above, has not been re-sited and rebuilt by the end of November, the running in track will be temporarily slewed over to connect directly to the new point and the current headshunt will be temporarily disconnected.

Working in Storm Ophelia.
The two photos below were taken a few days apart both from more or less the same place with the same camera and show the OP4 turnout in construction. The slightly earlier one is on a normal day with normal (overcast) light and the second taken at 3:15 in the afternoon on Monday 16th October under a VERY dark and dusty cloud belonging to Storm (Hurricane) Ophelia.

This second picture is of Matthe Blank from Museumstoomtram Hoorn-Medemblik cutting off the end of a rail to be fitted between the blades and the crossover of the OP4 turnout. However it was so dark that the exposure time was really much too long for a hand held camera, about 1/3 second, hence the blurring and the long spark trails. Also the colour change was due to all the dust in the atmosphere brought up from the Sahara desert by the storm. It was so dark that the red light of the signal at the end of the Ardingly siding can easily be seen. Very unusual lighting conditions!

Points laid out alongside the Ardingly spur - Jon Goff - October 2017 Matthe Blank cutting the rail end in the darkness of the storm - Jon Goff - 16 October 2017

Points laid out alongside the Ardingly spur
Matthe Blank cutting the rail end in the darkness of the storm

24th October 2017.
The assembled pointwork is now in the process of being moved over into its final position. The points were broken down into three main sections and the long rails taken off. These were then lifted onto the road railer trailers and slowly taken into the yard next to where they will be sited. The load was well out of gauge and had to be walked through the station area. The 5mph sign into the yard had to be removed and the load missed the rain water down pipe at the corner of the carriage shed by only 3/4 inch!

Note the large pile of ballast being built up at the top of the Ardingly triangle giving a temporary photographic advantage point. Some of this is for the yard pointwork, some for the Poleay bridge job in November but mostly for the January relay at Rock Cutting.

Moving the OP4 points - Jon Goff - 24 October 2017 Moving the OP4 points - Jon Goff - 24 October 2017

Moving the OP4 points

OP4 access point going into position - Jon Goff - 24 October 2017 OP4 access point going into position
Two of the three sections of the OP4 points are now approximately in the correct position as seen on the right. E-road will be temporally disconnected to allow connection to the running in road. The turnout path will curve round though the pile of soil/clay/masonry waste into the shed in line with G-road which is the second road from the left in the shed. Work to clear the path needs to be done very soon so that we can get the track into the shed in time for its grand opening at the end of November.

3rd November 2017
The access points are now in position and lined up although the crossover section is not yet in position. The new headshunt and engineering sidings are now in their final positions and awaiting ballast. Also the route into the new shed has been cleared ready to connect up for the head opening at the end of November.

New Headshunt and engineers' siding - Jon Goff - 3 November 2017 Route to OP4 F-road - Jon Goff - 3 November 2017

New Headshunt and engineers' siding
Route to OP4 F-road

10 October 2017: New Infrastructure project - Poleay Bridge
Report with thanks to Jon Goff.

Infrastructure has started on a new project in parallel with all the OP4 work currently going on. This is an urgent maintenance project on Poleay Bridge that most people will not be aware of yet. The work is due to take place in the week commencing 6th November when the railway begins the winter weekday closure.

Poleay Bridge is the second bridge going north from Sheffield Park just in front of the bracket signal, as seen with the 01 in this 2003 archive photo by David Bowles. It passes over a farm track in the corner of a field.

While the bridge deck is OK, the abutments require attention with some new ballast retaining walls. Six of the concrete components required are being pre-cast inside OP4, making use of its protection from the rain as seen below. Piles will be required to be drilled and concreted, after the rails have been lifted, over which the precast concrete parts will be placed. There is a surprisingly large amount of reinforcement work going into these blocks as well as a lot of custom shuttering to form the shape. The south end of OP4 has been a hive of woodworking activity building the mould in advance in order to give the concrete time to harden properly before being lifted into place.

Other departments are undertaking preparatory work such as S&T preparing all the cabling to be cut, and the line-side clearance gang removing all the undergrowth.

Reinforcing for embankment supports for Poleay Bridge - Jon Goff - October 2017 Reinforcing for embankment supports for Poleay Bridge - Jon Goff - October 2017

A lot of work goes into a block of concrete for Poleay Bridge

Reinforcing for embankment supports for Poleay Bridge - Jon Goff - October 2017 2017

Four of the six precast components competed

The blocks were installed at Poleay Bridge during subsequent engineering work, reported above.

6 September 2017: OP4 at Horsted Keynes - a hive of activity
Report with thanks to Bruce Healey.

Old headshunt lifted - Bruce Healey - 6 September 2017

The southern end of what will become the headshunt for the new carriage storage shed has been lifted and levelled using the laser dozer (as seen in the photo on the right). The headshunt will be relaid with used flat bottomed rail.

The tramroad in the maintenance area alongside E road is almost complete, the remaining task (just started when the first photo below was taken) is to float some concrete into the flange slots to ensure that drainage is adequate (the drains can be seen partway along the tramroad).

The track lifted from the headshunt is being reused for H road (and can be seen in second photo below). One panel of track has yet to be assembled. Along the far wall of the shed can be seen the progress on casting the headwalls. In some bays the headwall is complete, in others the shuttering is visible. Beyond the shed, the tree surgeons are felling trees in preparation for the access road around the south eastern corner of OP4. On the left of the photo, the completed blockwork by the tramroad is visible.

Tramroad nearing completion - Bruce Healey - 23 August 2017 Tracklaying in H-road - Bruce Healey - 23 August 2017
The almost completed tramroad
Tracklaying in H-road

23 August 2017: Work on OP4, Horsted Keynes
Report with thanks to Jon Goff and Bruce Healey.

Tramway with reinforcement in place - Jon Goff - 21 August 2017

Further work on the tramway in OP4 has been continuing for the last week with it is now straight and level. Adding the reinforcement steel grid has taken a considerable amount of time but is now finished and wired together on the west side and in the four foot. The east side reinforcement is also cut and ready and can be seen sitting on G road in the background in the photo. This concrete needs to be strong and so there are two layers of reinforcement wired together with a 50mm space between them.

The south end shuttering is clear to see in the photo from Jon Goff, but the amount of work to make up the flangeway shuttering is a lot less obvious. It is now finished, oiled to enable it to be released later (with old cooking oil) and ready for the concrete. The first section to be concreted was the four foot and was scheduled to start at 7:30 on Wednesday morning with a second pour on Thursday on the left. The final pour will be next week. The photos below from Bruce Healey illustrate the delivery of concrete, put in place via a road-railer running on the new track in the adjacent storage shed. The road-rail trailer can hold one entire load of readymix!

Concrete arriving - Bruce Healey - 23 August 2017 Concrete in road-rail trailer - Bruce Healey - 23 August 2017

Concrete loaded into trailer on F-road
Concrete in road-rail trailer

Concrete drop in 4-ft - Bruce Healey - 23 August 2017 Concrete smoothed in 4-ft - Bruce Healey - 23 August 2017
Roadrailer grab is carefully moved through the stanchions to drop concrete on the tramroad. Note the two layers of reinforcing to ensure the concrete will support heavy C&W equipment
Concrete in the 4 foot (between the rails) completed. The wooden shuttering on the inside of the rails will be removed to provide slots for the wheel flanges.

Ballast in H and J roads - Bruce Healey - 23 August 2017 Photo right: Completed base layer of ballast in H and J roads (Bruce Healey)

More ballast had been delivered and bulldozed out flat for H and J roads although not finished. We still need some track to put on it though. J road will not be put down just yet even if we had the track to do so, as space will be required along the side of the shed to build the side wall. Some blockwork for the foundations of the wall is also currently being worked on.

We have also had the remaining iron work delivered to finish the set of points required for the access into the shed. This is nearly complete and is in the Ardingly triangle. The crossover and second half-set (point blade assembly) has also been delivered for the B road points. This will now probably be built up inside OP4 shed and not in the triangle so that it can be worked on in all weathers and also because it will be a lot easier to transport it to its final position. A drawing is currently being drawn up for the points as there is no proper standard full drawing for a bullhead B8 turnout in existence, only the half-sets and crossing. Work on this should start fairly soon.

14 August 2017: Tram track for maintenance area of the OP4 carriage shed
Report with thanks to Jon Goff.

Following excavation and levelling last week, work on the tramway being installed adjacent to the maintenance road in OP4 moved on today with the laying out of the track. It was also coupled up and straightened out. The first picture below shows a lot of jacks in place to bring it up to the correct height and to get it level.

The remainder of this week will be spent getting it exactly level and packing under the sleepers so that the jacks can be removed. A lot of shuttering has to be made up to produce a three inch flangeway inside the running edge, putting in drainage from the flangeway to the installed drainage system as any water used for cleaning will invariably end up in the flangeway. It will then all be concreted in. Notice the low blockwork wall to the right which will act as the east side shuttering and also form a good base for the curtain wall when it is installed.

The rails used came from the pile of second hand flat bottom short sections used for temporary short panels through the cutting when laying the extension. They are too short and in too poor a condition for use on our running line, but fine for track to accommodate bogies etc during maintenance. The sleepers (47 of them) are just about our entire stock of thin concrete sleepers, old and second hand and a good way of using up the odds and ends without spending money. As the rails were odd sizes that were going to be cut down (but didn't get cut) we ended up with a final length of 31.296 m or 102' 8". Hopefully the tramway will be useable next week.

Maintenance tram-track in OP4 shed - Jon Goff - 14 August 2017 South ends of F & G roads in OP4 shed - Jon Goff - 14 August 2017
Tram track in maintenance area F and G roads in OP4

In the background of the tram-track photo are the North ends of F and G road within the shed. In the second photo the South ends of F road can be seen to need about 40' of track and G road about 50' to reach the end of the shed. Since the last report the rails in these two roads have been drilled and fish-plated up. It will probably be after the next track relaying on our main line before further track-laying happens in the shed. The aim however remains to get carriages under cover for this winter.

8 August 2017: Track laying in the Horsted Keynes OP4 carriage storage shed
Report with thanks to Barry Luck and Bruce Healey.

F and G roads going in to OP4 shed - Bruce Healey - 8 August 2017 On Tuesday 8 August the first track was laid in the Horsted Keynes OP4 carriage shed. Using some of track recovered from Freshfield Bank in June, a start has been made on F and G roads. The panels are not yet drilled and fishplated and there is of course ballasting to be done for roads H and J. As we have not used all of the recovered track, more will be laid in OP4 this week.

Work on the points to connect to OP4 continues alongside the Ardingly spur although we are still awaiting delivery of some parts.

Two further photos, below, were taken earlier in the day by OP4 Project Manager Barry Luck.

Track Laying in OP4 shed - Barry Luck - 8 August 2017 Track Laying in OP4 shed - Barry Luck - 8 August 2017

Week to 7 July, 2017: Work to improve the Sheffield Park Carriage Shed
Report with thanks to Jon Goff, John Sandys and Bruce Healey.

Work to lay walkways in SPCS - John Sandys - 6 July 2017

Our focus of attention has briefly switch from OP4 to OP3 (Sheffield Park Carriage Shed), as our prime job. The sheds were emptied to allow us to work, as seen in the last photo of the previous report, but as seen in John Sandys' photo on the right, carriages were back in the shed from the evening of Thursday 6th through to Sunday 9th for the busy "End of Southern Steam" event.

Two paths are being made between the roads at sleeper height. This will make it much easier and safer to walk back shunted stock into the shed as the gap between the roads was just rough crushed concrete/brick etc. Also two new conduits are being installed to carry power to new power points along the length of the shed, so incorporating them in the walkways was the easiest way to accommodate them.

One more conduit needed - Jon Goff - July 2017 Rehashed drain pit cover detail - Jon Goff - July 2017

One more conduit needed
Rehashed drain pit cover detail

Each walkway has timber shuttering level with the sleeper tops. Two 4-inch cable ducts run from end to end, interrupted where the will be access pits to branch off to the new power points.

Unfortunately there were three well-built brick drainage pits which were in the way of the new conduits. These had to be broken out and recreated using wood shuttering to provide enough room. The concrete will then integrate the pit cover with the new walkway.

As there will be only about 2 inches of concrete over the ducts, reinforcing steel is being laid flat on top of the ducts. The conduits are strapped down to the concrete base using steel straps screwed to the base concrete so that they do not float up to the surface of the wet concrete. During the pouring of the wet concrete, one strap broke allowing the conduits to float up over an 8-foot length causing a lot of digging out of wet concrete to re-strap them down.

Section ready for concrete - Jon Goff - July 2017 Competed section - Jon Goff - July 2017

Section ready for concrete
Competed section

Concreted walkways in Sheffield Park Carriage Shed - Bruce Healey - 5 July 2017 Twelve cubic meters of ready mixed concrete (around 30 tons) has been poured, tamped, floated smooth, brushed and edge-rounded so far, which is approximately half of the job done. However fitting the new connection pits will add a significant amount of time.

Bruce Healey's picture on the left shows the concreted walkways in Sheffield Park Carriage Shed.

End of June, 2017: OP4 Pointwork Requirements
Report with thanks to Jon Goff.

Current state of the down yard - Jon Goff - June 2017

Right: Horsted Keynes down yard - the way to OP4

Everyone will agree that this is not our best piece of track but it is the track leading to where the new points are needed for OP4 access. Clearly there is a lot of work to be done before we can put stock into the new shed. Also B-road is isolated (seen with the wheel sets on it) and needs a new bullhead right hand turnout next to the water tower. The points in the foreground splits the engineering siding off from the head shunt and needs to be refurbished and re-laid to the correct geometry as the OP4 points will be connected to the engineering siding.

Proposed OP4 access rails - Jon Goff - June 2017 Damaged point timbers - Jon Goff - June 2017

Proposed OP4 access rails
Damaged point timbers

The new set of points will be required just in front of the tamper in the engineering siding, to provide access to OP4 so this new set together with the engineering siding set will effectively become a crossover. As can be seen in the photo sbove, a lot of realignment work is necessary.

All this requires a lot of new pointwork that we just don't have. We would like to re-lay all the pointwork in the down yard but this clearly cannot happen due to the time and expense. We have laid out the best parts of what we have got in stock but this is nowhere near what we need.

One of the better crossing timbers in stock - Jon Goff - June 2017 One of the better crossing timbers in stock - Jon Goff - June 2017

Some of the best crossing timbers we have in stock

We have started to lay out the new OP4 turnout but we do not have all the metal work for that. We have some second hand rail but no check rails or check rails chairs and no slide chairs. We have even less for the B-road points, I think just one half-set and no crossing nose, check rails chairs, timbers etc. But we have started! If we used the few timbers we have in stock we would have to use these actual one in the photos. Obviously we want to use better but as always, money is in short supply.

On the brighter side, work inside OP4 trundles on. To keep the cost down, we are doing most of the masonry work ourselves. The foundations of the old shed were uncovered when putting in the foundations for the new shed and were found to be very shallow. There is no ring beam like the new shed either, so to ensure the long term stability of the old foundations a low wall with concrete infill is being built to cover them, and the old rainwater down pipes are being changed to couple into the new drainage system.

Foundation cover for the old shed - Jon Goff - June 2017 Foundation cover for the old shed - Jon Goff - June 2017

OP4 - low wall providing foundation cover for the old shed

Preparations for concreting the walkways in Sheffield Park Carriage Shed - John Sandys - 29 June 2017 In other work being carried out, concreting of the walkways in the Sheffield Park carriage shed is in progress, temporally diverting some effort from OP4 while we wait for parts for the point work.

In John Sandys' picture on the left the stone is being cleared from the six foot between sleeper ends and shuttering made up ready to pour the concrete.

May-June 2017:
Bluebell Railway - Making Tracks (Overnight relaying - June 2017) Overnight track relaying, and OP4


We are pleased to be able to bring you, with thanks to the Infrastructure team, and David Allen and Alex Mansfield, this superb video covering the overnight track relaying on Freshfield Bank in June.

Full report below with thanks to Jon Goff.

Not a third line to Ardingly - Jon Goff - May 2017 A third line to Ardingly? Or preparation for something else?

Following the frenetic track laying season through winter accomplishing more track relaying/renewing in one winter than ever before with Leamland points and its approaches, 1/3 mile at Waterworks and Horsted platforms 2 and 3 with their technical problems, the next job was another 200 yards (plus 35mm!) on Freshfield bank at the end of the Temporary Speed Limit. IN ONE NIGHT!!!

Yes, in one night, so trains were not interrupted at any time! Never attempted on Bluebell before and probably never attempted on any heritage railway before!

Immediately south of the new track laid three years ago on Freshfield bank was a section of old bullhead track on old BR concrete sleepers in very poor condition with railhead burns and where the concrete sleeper fixings are coming loose. This defined the end of the 10mph temporary speed limit and urgently needed correction.

After initial inspection, a plan was hatched between infrastructure director Chris White and infrastructure manager Matt Crawford where it was decided that six 60 foot panels were required but when surveying and planning for that it was decided to extend the job to 10 panels after finding a particularly bad joint between panels 9 and 10.

The first plan was to use the short rails seen beside the digger in the picture above to build up short panels which would have all the sleepers put onto them at the correct intervals for when the 60 foot rails when they would be swapped over later. This is because the roadrailer could manage to lift panels up to 12 sleepers in length but certainly not a 60 foot panel with 28 sleepers weighing 9 tons. This would have required a lot of trimming and drilling of the rails to make up the short panels. Which would have been built on top of the old track laid out to look like a third road to Ardingly.

It was then decided that if we hired in two large Colmar roadrailers, one day for transporting the finished panels to site from Horsted and one night for the changeover, then we could build the 60 foot panels directly thus saving a lot of work on the short panels, and an army of volunteers on and extra nights' work to change over the short rails to the proper ones. That would have required 52 pairs of fishplates to be removed, 22 replaced, 1120 track clips removed and replaced as well as the handling of 50 short rails and 20 long rails.

In addition we would not have to get the cut of 182.915m exactly right first time as we could cut in the last panel in as it was laid as a closure panel. This was a worry as tape measure calibration was showing to be an issue where 3 different tape measures measured three different lengths and would have given us a potential gap of just over 2 inches!

Consequently the idea of making the long final panels was quickly adopted. The ground was bulldozed smooth and the "third track to Ardingly" was laid with old short panels (from Leamland) up to 100 yards in length, enough to lay out five new panels on top at once. The old short panels acted as a very good base to build new track on and will be used again to build the points for OP4. The sleepers can be moved to the correct position of 653mm centres and put into a straight line much more easily than on the ground.

Thanks to Matt Crawford and his deals through his plethora of useful contacts, we had built up a good stock of insulators, clips, rubber pads, fishplates, bolts, nuts, washers and just enough good condition second hand concrete sleepers to make up the 10 panels. Much of it having been donated. 20 new rails were bought and 600 tons of ballast but that was all that had to be purchased.

Each panel was built by laying out 28 sleepers at approximately the correct centres and the rails dropped into place on top, all lifted into place by the "resident" road railer. Each rail was measured precisely and marked up with each sleeper centre. The sleepers were then pushed into their exact positions by men with iron bars, all squared up and then clipped up. The fish plate holes were then drilled in the ends of the rails to complete the panel. All ten were built up in a stack of two on top of the old bullhead panels.

Ten Panels Finished - Jon Goff - May 2017 Fishplates ready to go - May 2017

OP4 progress - May:
Meanwhile, OP4 (Operation Undercover Phase 4, the Horsted Keynes Carriage Shed Extension) has also been quietly progressing in the background. There were just enough people to split the gang between building the new track panels and progressing drainage and ground work in the OP4 shed.

Below is a photo of the north end of the shed, "borrowed" from John Sandys' site. It shows second grade track ballast used to bring up the floor level closer to the required level suitable for the shed track work. This was recovered from the Waterworks track relay earlier this year and is the darker material in the picture.

In addition, many of the gutter outlets have been drilled and spigots fitted together with the down pipes and are now carrying the rainwater away through the drains laid mainly last year. This will continue as a background project until all down pipes are connected and functional. We are carrying out this work as it will save a lot of contractor cost.

Also visible in John's picture is the infill between the old carriage work roof and the higher new roof. This will stop the rain and showering the pit in "E" road and the maintenance staff.

OP4 with ballast laid - John Sandys - May 2017 Downpipes and gutter spiggots - John Sandys - May 2017 Downpipes and gutter spiggots - John Sandys - May 2017

The last of the containers in the storage section of the shed have been relocated to their new sites out of the shed and the last bit of ground that they were on has been levelled, where the nearer machine, the loadall, is sitting. More detail is available in Bruce Healey's April/May report below.

Loading the first panel at 5.21am - Jon Goff - 24 May 2017 Freshfield Bank - Wednesday 24 May, 5am:
The ten track panels were moved from the Ardingly siding down to Freshfield Bank and placed beside the positions where they were going to be fitted. A small team with two large Colmar roadrailers arrived at Horsted by 5am ready to start the move. The reason for the early start was so that the move could be completed and the line cleared before the first train of the day was due. The photo on the right shows the first panel being loaded at 5.21am.

Over the next week equipment was taken down to site, including the laser guided bulldozer, the 22 ton tracked digger, all the fishplates etc. and many hand tools. On the preceding Sunday, Jon Bowers' Sunday gang dug out several beds of ballast at the bottom end of the job ready to give the bulldozer a starting level and to facilitate some re-alignment of sleepers on the existing track.

The photos below show panels being delivered in the early morning mist, the last three panels loaded and ready to leave Horsted Keynes, and "steerage class" travel for the staff at the back of the ensemble.

Unloading panels in the mist - Jon Goff - 24 May 2017 Last three panels leaving Horsted Keynes - Jon Goff - 24 May 2017 Steerage class travel - Jon Goff - 24 May 2017

Monday 5th June, 4pm - the track changeover:

Procession of road-railers arrive on site - Jon Goff - 5 June 2017 The team assembled at around 4 pm on the Monday which included several contractors from L & W to drive all the required plant. Three of us caught the last train down and were dropped of early to get the laser set up and to check and mark out the exact cutting position on the existing rail.

As soon as the last train had cleared the section, a track possession was taken and a convoy of roadrailers etc. made their way down to the work site.

At this point the rain started and continued through to about 5 am. Unfortunately it got into my camera and so I failed to get any more pictures after these three from the top of the distance signal post. Those below show the laser bulldozer waiting, looking north, and with rain bonnets on, the roadrailer gets ready to lift out the first track panel.

Andy Palmer, Matt Crawford's right hand man, set up a time lapse camera which produced some good film which he is currently processing and hope it will be available shortly. Another two man film crew were there for the first part of the job and we hope their film will also be available soon.

The laser bulldozer waits - Jon Goff - 5 June 2017 Ready to lift out the first track panel - Jon Goff - 5 June 2017

The first cut into the old rail was made one sleeper back from the measured distance to give a safe overlap in case of measurement error which did eventually prove unnecessary but was done all the same. All the 60 foot panels over the whole 200 yards of the job were cut in half, unbolted and lifted out and taken up north of the job, out of the way.

As each of the half panels were removed, the laser bulldozer dozed the existing ballast to the correct depth, pushing the excess off to one side. Fortunately this area of the line does not have a drainage or a clay pumping problem as it is on top of an embankment and so did not require a membrane under the ballast. This saved time and cost.

Bulldozing almost complete - Andy Palmer - 5 June 2017 Andy Palmer's photo shows all the track removal completed, the bulldozing finishing off, the triple vibrating whacker just behind smoothing out the ballast and the 22 ton digger coming up ready to start lifting the new panels in. All this was done just as it was starting to get dark.

At the top (north end of the job) the joint to the existing good rail was re-cut square and the holes re-drilled to make a good fresh joint. The first of the 10 new panels was lifted into place by one Colmar road railer on the rails to the north and the 22 ton digger on the ballast to the south and then bolted on. This was continued down for all ten panels ensuring that the gaps were the correct size and square.

Before the last panel was connected the track was aligned by eye by two people standing astride the track shouting instructions to the driver of the 22 ton digger. This stood to the side of the track and simply pushed or pulled the track around with its arm until it was straight. The last panel was laid in overlapping the old rail so it could be measured off and cut in exactly the right place. This was then drilled and the fish plates fitted, thus re-joining the line sometime after midnight. The diesel, towing the tree ballast hoppers, which had been waiting a little way to the south of the job then pulled up and dropped the ballast onto the sleeper ends to stabilize the new formation enough to run trains over the next day. We packed up and started back to Horsted just on first light. After putting away tools etc. everyone had left by about 5:15 am in a very wet state - just as the rain finished!

Below are several photos taken by Dave Wilson (of London Underground and 9F club fame) taken during the night: Track alignment using the 22 ton digger, crafty ballasting, the 09 with the ballast train, and the soggy Track Gang.

Track alignment - Dave Wilson - 5 June 2017 Crafty ballasting - Dave Wilson - 5 June 2017
09 with ballast train - Dave Wilson - 5 June 2017 Soggy track gang - Dave Wilson - 5 June 2017

Ride Back in the Tamper - Andy Palmer - 6 June 2017 The following evening was spent firstly pulling back and reusing the spare ballast pushed over by the bulldozer the previous evening and dropping more ballast from the hoppers, ploughing it and the tamping the whole stretch of new line. The tamper also did the final alignment to get the new line completely straight. While this was going on, some more conversion fishplates were found in our stock for the interface between the old worn bullhead rail and the new flat bottom rail with the right amount of "lift". This corresponds to the amount of wear on the rail head. In addition shims were fitted to the top joint to eliminate the bang when wheels passed over that joint. A final run over the replaced stretch by the tamper at a test speed confirmed the smoothness of the new track.

Andy Palmer's photo shows the team riding back at the end of the night in the tamper.

The last job was to move the temporary speed limit signs from the top of the replacement job nearly 1/2 mile south to the bottom end of Freshfield Bank at the end of the straight, next to the 7 mile post. This removes a large section of the TSR which should help with the train timetable.

So what's next?
Build two sets of points, one to reconnect carriage shed "B" road and the other the connect OP4. The track panels brought back from Freshfield Bank will be reused in OP4. The old bullhead and wooden sleeper panels used as a base to build the new panels will be used outside the OP4 shed to connect up to the engineering side and used for "loading" the new shed with rolling stock when the floor is levelled.

April and May 2017: Tidying up Horsted Keynes, OP4

The almost completed southern foot crossing at Horsted - Bruce Healey - 12 April 2017 Like so many jobs, the list of minor tasks to finish the Platforms 2 and 3 track re-laying seemed to be endless. The foot crossing at the south end of Horsted Station was almost finished by the middle of April, with just a couple more bits of anti slip material required. The nuts holding the track chairs down over the subway need regular checking until they have settled down with use.

One of the more surprising consequences of the recent work is the need to re-concrete a manhole on top of the spoil heap in the triangle at Horsted. A drain runs under the spoil heap and each time the spoil heap is added to (or subtracted from) in that area, the manhole needs to be adjusted to avoid being a hazard to anyone one on the spoil heap (usually digger drivers).

Of course, Infrastructure get involved in other activities and we have undertaken a few tasks for the Flying Scotsman visit. Some picnic tables were collected from Parkers near Kingscote Station and delivered to Sheffield Park, and some 'heras' fencing was erected at Leamland across the access point from the north end of Horsted car park.

The second photo below shows S&T replacing a signal wire which had a broken strand at the south end of Horsted Station.

The manhole on the triangle at Horsted - Bruce Healey - 12 April 2017 Replacing a signal wire at Horsted - Bruce Healey - 12 April 2017

Electrical supply conduit trench being back-filled - Bruce Healey - 3 May 2017 Wednesday 3rd May:
With the completion of the track relaying in Horsted Keynes platforms, attention now switched to OP4 (Operation Undercover Phase 4, the Carriage Shed extension at Horsted Keynes). The next task to to erect the downpipes and connect to the gutters and the drainage system. While we are waiting for delivery of some parts, there is some groundwork to be completed. The gutters between the 2 road and 4 road sections will run down stanchions to cross drains which in turn connect to the main drain down the centre of the 4 road shed. The drains were completed today together with some other minor tasks.

The photo on the right shows the electrical supply conduit trench being back-filled.

The photos below show the two hired cherry pickers, ready to install the gutter downpipes, the used ballast recovered from the Holywell track relaying, which will be reused in OP4, and the stanchion next to the manhole which will have the gutter running down it. This connects in to the manhole from the right of the photo. The cross drain to the left of the photo already connects at a right angle to the main drain running down the centre of the 4 road shed. There is an extra connection to the manhole for future use.

Cherry pickers - Bruce Healey - 3 May 2017 Second hand ballast in OP4 shed - Bruce Healey - 3 May 2017 Drains in OP4 shed - Bruce Healey - 3 May 2017

Roof_sides being installed - Bruce Healey - 10 May 2017 Further photos from Bruce Healey, from 10 May 2017, show work continuing in OP4, on the groundwork and drainage.

The photo on the right shows the upper side panels being installed to prevent rain coming in around the raised section of roof, which is above the carriage lifting jacks.

The three photos below show:
The down pipes installed and connected to the drainage system. Some work remains to get them connected to the gutters.
Two C&W containers remained in OP4. One has now been moved outside onto a concrete base, the other relocated at the north end of the maintenance area pf OP4, for which four concrete pads have been cast as a base, as seen below.
Second-hand ballast from Holywell has now been spread and levelled using the laser 'dozer.

Downpipe installed - Bruce Healey - 10 May 2017 Pads for container within in OP4 shed - Bruce Healey - 10 May 2017 Second hand ballast levelled in OP4 shed - Bruce Healey - 10 May 2017

Mid February to early April 2017:
Replacement of track in Horsted Keynes Platforms 2 and 3

S15 and track-work at Horsted Keynes - Stewart Moon - 18 February 2017
Completing the track replacement at Holywell early was a bonus because it allowed us to start the time critical replacement of the formation in Horsted Platforms 2 and 3. Platform 3 was tackled first. This was to prove a bonus as the work turned out to be more difficult than expected. Unlike the Holywell work, there were a number of 'unknowns' such as the water supply for the water columns at the north end of the platforms and a number of cross drains. However, by far the biggest unknown was the pedestrian underpass - as it was intended to reduce the height of the track by 4 inches in platform 3 and 8 inches in platform 2, it was suspected that the underpass would cause problems - as turned out to be the case. The reduction in track height was needed to bring the track down to the correct level for comfortable access to carriages. The first job was to strip out the formation on platform 3 and see what we had.

Stewart Moon's photo taken on 18th February shows track lifted in No.3 road as the S15 departs in stormy conditions from platform 4/5. By Wednesday evening, the track base for Horsted Platform 3 had been lowered by the required 4 inches with only a small amount of spoil yet to be removed. As the feed pipe for the water columns at the north end of the station and the original drain occupied the space between Nos.2 and 3 roads, a new centre drain was not an option. Instead, a smaller drain will run under the track of both platforms 2 and 3.

Much of the feed pipe for the water columns has been uncovered and so far looks in good condition. The feed is far from level as it wends its way over the underpass and round 3 catch pits.

The drain under 3 road has been started with the very northern end having the terram/polythene/terram sandwich laid, the drain pipe in and (so far unlevelled) ballast down.

The opportunity has been taken to renew the wooden walkways on the platform 1/2 up starting signal, with Matt "Tarzan" Crawford doing the difficult bits. The walkways on the up signal on platform 3/4 will be similarly renewed in the next few weeks.

The photos below, from Bruce Healey, show some of the sleepers recovered from the Holywell track renewal, and Matt Crawford renewing timbers on the bracket signal.

Recovered sleepers from Holywell - Bruce Healey - 22 February 2017 Matt Crawford working on the platform 1/2 up starter - Bruce Healey - 22 February 2017
The next photo below, from Stewart Moon, shows the chalk infill covering the drain. Further along it also covers the water column feed pipes. The feed crosses 3 road at right angles which can just be seen in this photo.

Whilst most of the digging has been done by mechanical means, that along the platform edge, around catch pits and the water-crane pipe has been done by hand, as seen in Bruce Healey's next photo. His final photo shows the platform 3 drain going under the feed pipe for the platform 3/4 water column.

3-road dug out - Stewart Moon - 22 February 2017 Hand digging around catch pit and water-crane pipe - Bruce Healey - 22 February 2017 The platform 3 drain going under the feed to the platform 3/4 water column - Bruce Healey - 22 February 2017

Small laser-guided bulldozer in action - Bruce Healey - 1 March 2017

By 1st March the ballast for Platform 3 has been levelled and compacted. The very south end of the platform and over the subway are still to be ballasted. This photo shows the small laser 'dozer levelling the ballast. The 'dozer we usually use was too large for the platform area.

The solution for laying the lowered tracks over the subway is to have 3 steel plates over the apex of the subway to spread the load. These have been concreted in place, as seen in the photos below. The next tasks will be to put down plastic over the whole area to waterproof it, cast 2 reinforced concrete beams at either side and make a reinforced concrete raft over the subway. The track chairs will be bolted directly into the concrete. Platform 2 road will be identically treated.

Two of the three catch pits have been removed as they were not required. The drain for the south end of platform 3 road was connected to the drain put in when 22 point was changed in 2015. There is provision for platform 2 road drain to be similarly connected.

The photos below, from Bruce Healey, show the feed pipe for the water columns at the north end of platform 2 and 3/4 rising over the subway at Horsted Keynes, and the steel plates being concreted in place over the crown of the subway. Note that the eyes on the steel plates are temporary and will be taken off with an angle grinder.

Water pipe rises over subway - Bruce Healey - 1 March 2017 Concreting the top of the subway - Bruce Healey - 1 March 2017
The final photo below shows the finishing touches being applied. The compactor can be seen in the background. The shuttering round the area shows the extent of the side concrete beams and the raft over the top of the subway. All of this will be on top of a waterproof layer.
Concreting the top of the subway - Bruce Healey - 1 March 2017

Track laid in platform 3 - Barbara Watkins - 2 March 2017

Barbara Watkins photos show the progress with the work in platform 3 at Horsted Keynes, as of 2nd March.

As seen on the right, track laying has started in platform 3 road. This track is being laid 4 inches lower than previously, and that in platform 2 will be 8 inches lower than at present. This will bring both roads down to the same level, and significantly reduce the step down from the carriages to the platforms, which may see us making greater use of platform 2.

The first photo below shows the top of the subway with the waterproof membrane in place.
Next we see the reinforcing being constructed for one of the side beams next to the subway.
Barbara's final photo shows the shuttering adjacent to the water-crane supply pipe, as it rises over the subway.

Waterproofing in place over subway - Barbara Watkins - 2 March 2017 Building reinforcing for beam adjacent to subway - Barbara Watkins - 2 March 2017 Water supply pipe over subway - Barbara Watkins - 2 March 2017

Jon Goff's photo below shows the reinforcing in place for the concrete raft over the subway in 3-road at Horsted Keynes. Brian Lacey's photo shows the track now laid (but awaiting final ballasting and tamping) in the northern part of that platform road.

Reinforcing in place - Jon Goff - 3 March 2017 Track laid in platform 3 - Brian Lacey - 4 March 2017

By Monday 6th March, we had laid the track over the subway and clipped the chairs to the track, as seen in the final photo below. It is necessary to do this before the concrete is laid for 2 reasons. Firstly, it allows us to pour the concrete to the correct level (note that the track is deliberately one inch higher than necessary, this will be adjusted when the concrete is fully set). Secondly, the studs for the chairs must be clear of any reinforcing rods (which requires some angle grinding) and the studs need to be bolted to the reinforcing. By close of play on Monday, about 50% of the work to locate the studs was complete. This should be finished and the concrete poured on Tuesday. We should also complete the track laying by Tuesday; as of the end of play on Monday about a third of the remaining sleepers had already been laid.

The reinforcing in place at the start of the day - Bruce Healey - 6 March 2017 Track and chairs in place - Bruce Healey - 6 March 2017

By 8th March, the concrete raft over the subway was setting, we have now laid out the sleepers (except either side of the subway) and some of the remaining rails for Platform 3; some of the replacement sleepers are awaiting their chairs.

The rail across the subway will have to be taken up to remove the shuttering around the concrete and to put pads under the rail chairs which bolt down on the concrete. The concrete will be allowed to harden until the end of the month before trains pass over it. Bearing in mind that the track over the subway has still to be lowered by an inch, the difference between the new level of the rail in platform 3 to the current level in platform 2 can be clearly seen.

The load bearing concrete over the subway at platform 3 - Bruce Healey - 8 March 2017 Sleepers in place - Bruce Healey - 8 March 2017

The first photo from Bruce Healey shows the situation in platforms 2 and 3 at Horsted Keynes at the start of play on Wednesday 15 March, with the track taken up over the Platform 2 underpass and enough old concrete removed to allow the metal spreader plates to be located (as on 3-road). Looking now at platform 3 road, the rail over the subway has been taken up to allow the trackbed either side to be lowered (it had been deliberately left too high to allow the concrete to be poured).

During the course of Wednesday, the track bed through platform 3 was lowered either side of the subway, and the remaining sleepers laid. The shuttering from Platform 3 was usable for Platform 2 with only slight modification - this is now in place as is the waterproof membrane (see photo below). We still have a lot to do before concrete can be poured, including completing the reinforcing structure and lay track over the subway (again one inch too high to clear the concrete), attach the chairs, locate the chair studs and bolt them to the reinforcing etc.

The second photo below shows the stripping and levelling of the trackbed at the south end of Platform 2. We also did some fettling of the track on Platform 3. When joining used track, we often find the track at different levels at the join owing to different wear. To overcome this, we use special fishplates with a step in them. We have a stock with differing steps in sixteenths of an inch increments. To get down to a thirty-second of an inch difference, specially made shims are used. Two pairs of track joints needed these step plates. This is standard railway practise.

2-road subway waterproofing membrane - Bruce Healey - 15 March 2017 Digging out 2-road - Bruce Healey - 15 March 2017

By Friday 17th evening, the reinforcing cage over the subway on the platform 2 side had been completed, as seen in the photo below taken from the cab of the road-railer. The south end of Platform 2 has had the centre drain dug, the terram (fibreglass) - polythene - terram sandwich laid, the drain pipe put in place and the section ballasted and compacted as seen in the second photo, prior to track laying. Both these photos were taken by Barbara Watkins.

2-road subway reinforcing and shuttering - Barbara Watkins - 17 March 2017 Ballasted 2-road - Barbara Watkins - 17 March 2017

Jon Goff now brings us up to date as of the end of last week.

The concrete over the subway for road 3 is still being allowed to continue to harden before any major weight is put on it. However it has already reached a very hard state due to being a very strong mix and being well vibrated into place, so the final levelling compound can be put in place. As we want to get the rails levelled very accurately, a 5-10mm depression has been gunned into the concrete surface around the area where the rail chairs will sit and a screw plugged into the centre of each of the chair positions. Using the laser level set up at the reference datum point on the platform, each screw has been adjusted to exactly the same height to within less than 1mm! These then form a local datum for the levelling compound, pored and trowelled in place. The process is seen in Jon's two photos below. This should all be completed for all 16 chair positions on Monday.

Depression cut into concrete surface, with datum screw fitted - Jon Goff - 17 March 2017 Levelling compound to provide accurate height - Jon Goff - 17 March 2017

There will be a rubber pad placed on top of the (fast-setting) compound and the rail chair placed on top of that.

All the original rails from 3-road have had the end 650mm cut off, re-drilled and replaced as the rails were in basically good condition with good heads and running on them. Similarly the majority of the hardwood sleepers were in good condition so they have been put back with only 40 replacements needed to be found and drilled. They are all in position with all the rail replaced and roughly aligned ready for the tamper, except for 4 sleepers by the north end drainage pit and the rail over the subway. Full connection right through and the ability to pass traffic through under caution should be possible by the end of next week. Additionally the approach into road 3 has been realigned to give a much smoother curve between the points and the platform.

Start of relaying Platform 2 road - Jon Goff - 17 March 2017 Turning to 2-road in earnest, the first action was to remove the pair of rails over the subway and start to repeat the work as carried out on 3-road, as described above. In three days as much work has been completed here as in the previous three weeks on 3-road as the job in hand is now well defined. The excavation is complete, the metal plates are bedded down in place, shuttering complete and most of the reinforcement in place, as in the 3-road reports on 2nd, 3rd and 6th March. The concrete should be poured around the middle of this week.

While the work around the subway was being done, the rest of the south end of 2-road was lifted, fully dug out, drainage installed, waterproof membrane installed (Terram - plastic - Terram sandwich) ballasted and the first panel relayed. This panel is critical as it is required to regain access to the Ardingly siding and the ballast pile.

Completion of the bottom half of 3-road this week has enabled the road-railer access to work on 2-road. Jon's photo above/left shows 3-road reconnected and 2-road being relayed 8 inches lower than before.
Muddy P-way yard - Jon Goff - 17 March 2017 Other work continues to clear up the yard after the Holywell relay. Many chairs have been removed from the life expired sleepers and the sleepers disposed of with the worst of them being burnt. Scrap has been collected together with some being exchanged for more good sleepers. Matt Crawford has arranged many such deals which has save the railway many thousands of pounds over time.

Finally some security lighting is been put in over the new access gate and infrastructure lobby although that is not yet complete. Some time is required to put our own infrastructure area in order after the road 2 and 3 project is finished as this is the current state of our "office"! It is not a pretty sight from the train and the team have to walk right through it carrying tools several times every day.

Despite the atrocious weather on Monday, 3-Road had all the levelling compound poured in place for each of the rail chairs on the east rail. Scared of it being washed away, the west rail levelling was left until Tuesday and work moved over to 2-Road. The rails had their ends trimmed and drilled at the south end and the first rails to the north of the subway removed. The subway reinforcement was finished and is now waiting for the rails to be supported over the top so that the stainless steel studding can be hung in place, all of which has now been cut and made ready.

The first photo shows the state of play at the end of Monday 20th March, and the second shows a rail being trimmed to length. The cutter clips onto the rail and pivots down to cut the end square.

Progress as at end of Monday - Jon Goff - 20 March 2017 Trimming rail-ends in 2-road - Jon Goff - 21 March 2017

The next photo below shows the application of levelling compound completed for the west rail in 3-Road and, with the east rail compound set, rubber pads were cut out and put in place and the chairs fitted ready for the rail to be inserted. Some final tightening of the nuts and a bit of juggling with some of the ferrules is all that is required.

By the end of Tuesday, all the track panels up to a few feet from the subway in 2-Road had been completed giving access to the Ardingly siding again. The next two panels north of the subway have been removed, dug out and levelled, as seen in the last of Jon's photos below, ready for the drainage ditch to be dug under the middle of the four foot.

Grouting of chair bases complete in 3-road - Jon Goff - 21 March 2017 Progress as at end of Tuesday - Jon Goff - 21 March 2017

More atrocious weather demonstrated the need (first photo below, on Wednesday 22nd March) to install the drainage under the tracks when everybody just wanted to go home and dry out. So lunch break was forfeited in order to reach the day's target and go home early. However the afternoon brightened up and we ended up staying later than normal, achieving reconnection of road 3 (second photo below) and putting in the drainage under road 2 north of the subway and ballasting it ready for the next panel to go back.

Clay sub-bed and rain - Jon Goff - 22 March 2017 Platform 3 reconnected - Jon Goff - 22 March 2017

Work then concentrated on the shuttering and the reinforcement for the concrete over the subway. This proved to be quite intense but with help from "the little people" this was completed on Thursday together with dropping all the studs (316 stainless) to be set into the concrete for the rail chairs. To do this the rails were supported slightly higher than the finished height so that an extra nut could be fixed under the chair to stop the studs wobbling around during the concrete pour.

Help from the little people - Jon Goff - 23 March 2017 Detail of studs and reinforcing - Jon Goff - 23 March 2017

Matt Crawford and Mark giving the final float finish - Jon Goff - 24 March 2017
While this was going on further digging out, levelling, drainage and ballasting on a waterproof membrane was carried out on road 2 with two-thirds now done.

Friday was the critical day as the concrete had to be laid then to give it a long enough hardening time before trains can use it over Easter. After some final gauge and position checks (to the millimetre) the concrete was poured and allowed to settle before being given a final float finish by Matt and Mark in the evening, as seen in Jon's photo on the right.

The foot crossing at the platform end was also reinstated as it was required for wheelchair access the following day. It has been redesigned so that it can now be removed easily for tamping and other track maintenance.

Platform 2 roads drainage at Horsted Keynes - Bruce Healey - 29 March 2017

Following from Jon Goff's last report, a big vote of thanks to the Infrastructure volunteers who turned up in large numbers to ensure that the deadline of pouring the concrete over the Platform 2's subway was completed at the end of last week. Friday is usually a quiet day for volunteers but their dedication ensured that the concrete had the weekend to cure thus not losing us several days against our schedule.

On Wednesday 29th March, the remaining 2-road trackbed was scraped, the drainage trench, terram/polythene/terram, drainpipe and the ballast base completed. We almost finished grading and compacting the ballast.

Platform 3 has been tamped again and passed back to operational use.

Bruce's first photo shows, in the background, the digger cutting the central ditch, while in the foreground all the other operations can be seen. Note the crossing drain up near the digger.

The photos below show more detail, firstly rolling out the Terram in 2-road. Where track has already been laid, S&T need to ensure that track circuits operate and that cable operated signal are still functional. Here, the bond wires across a track joint are being fitted on 3-road.

Rolling out the Terram in 2-road - Bruce Healey - 29 March 2017 Track circuit bonding work in 3-road - Bruce Healey - 29 March 2017

The track chairs over the subway in 2-road are being readied. The concrete pads have been cast. Rubber pads are located between the chairs and the concrete. This task was completed by the end of the day.

Next we see a close-up of the tamper in operation on Platform 3 road. Note the track lifter to the right and the pair of tines either side of the rail. The ballast is only compacted under the rails.

Preparing for fitting chairs over subway in 2-road - Bruce Healey - 29 March 2017 Tamping in progress in 3-road - Bruce Healey - 29 March 2017

The ballast is levelled using a laser and receiver on a staff. The new track in 2-road will be 8 inches lower than the old and the difference needs to be graded in. The laser has a gradient function simplifying this task.

Platform 3 has been released to traffic. The final photo shows the first use of it, as it is gauged for the three visiting locomotives.

Grading ballast in 2-road - Bruce Healey - 29 March 2017 3-road released for traffic - Bruce Healey - 29 March 2017

By 31st March, Platform 2 Road had been reconnected. After a very busy week and a good turn out from the infrastructure team, and with a big help from the Thursday gang, road 2 was connected right through on Friday evening at about 6:30 pm.

Wednesday had seen road 3 tamped level but it has not had its finally tamp as the final straight line was not tamped due to a small problem with the tamper (the line broke). However it was finished sufficiently to be safely released back to traffic as reported by Bruce on Wednesday. This is good as most trains in the diesel gala ran over the new formation, which has handily helped settle it before the final tamp this week.

Thursday saw the two rails put back over the subway and three more 56 foot panels were put in by the Thursday gang which is a tremendous effort for bullhead rail as it takes a lot longer to lay than flat bottom rail.

Finished subway covers and exposed water tower pipe - Jon Goff - 31 March 2017 Last two rails to close the gap - Jon Goff - 31 March 2017

Friday saw three more panels go in including the closing rails which had to be cut to a precise length in order to connect up with the existing track. Work was heavily inhibited by almost continuous use of road 3 for the diesel gala. The road-railer had to use road 3 for very short periods then disappear quickly before the next train was due.

It is seen above delivering the last two rails which are second hand rails from our small collection of spare rail.

Nearly there but too many trains in the way - Jon Goff - 31 March 2017 Connection right through, ready for ballast and tamping - Jon Goff - 31 March 2017

The final photo above shows the whole length of road 2 connected and tidied up for the weekend. It was then ballasted and ploughed on Saturday and will be tamped straight next week. There are still some details to be finished off on both roads over the subway. Road 2 is not yet fully screwed down and both roads still require the plastic membrane sealed against the sides of the concrete pads with a silicon sealant below the ballast level. The foot crossings at either end of the platforms still need to be reinstated.

Further pictures below from Barbara Watkins on Saturday show our very good L&W contract driver working on Saturday, having ballasted and ploughed road 2 and removing the digger used to dig out the track bed and drainage ditches and place the sleepers. Note the stop board showing the road is not in normal use. Darren had to finish this off on Saturday as he is taking his family on holiday on Sunday for two weeks. We wish him a good break after the extensive very good quality work he has done over the last six months - as well as working on network rail at night!

Further pictures of Darren carrying out the work were taken by John Sandys on Saturday and are shown on his Flickr site.

Darren the L&W driver - Barbara Watkins - 1 April 2017 Removing the digger - Barbara Watkins - 1 April 2017 Ready for Tamping - Barbara Watkins - 1 April 2017

S15 arrives at Horsted Keynes to cross the H-class - Brian Lacey - 3 April 2017

Brian Lacey's photo from Monday 3rd April shows the S15 arriving at Horsted Keynes to cross the pre-war Southern set behind the SECR H-class in platform 3. The newly laid track in platform 2 had been ballasted but not tamped at that stage.

2 and 3 roads completed - Bruce Healey - 5 April 2017

The final tamp of platform 3 road was completed on Wednesday 3rd April and platform 2 has now also been released back into service (as seen in the photo on the right). However, this is some way from the end of the job, as there are still the inevitable tidying up and odd jobs to do.

Bruce's photos below show the H-class in Platform 3 and 'Camelot' on a test run in Platform 2, having just returned to service after winter boiler maintenance and the re-tyring of its tender wheels.

The H-class in Platform 3 - Bruce Healey - 5 April 2017 Camelot on a test run in Platform 2 - Bruce Healey - 5 April 2017

The triangle at Horsted Keynes has been used as a dumping ground during the work. With 4 inches of material removed from 3-road and 8 inches from 2-road, a large amount of spoil has been added to the triangle. This has now been graded to improve the appearance (as seen below).

Some lengths of rail and other oddments have been moved over to the Salt Yard. Just as soon as the area is being cleared, more is added. With the large dead tree at south end of the triangle felled and a lot more timber from felling work north of Horsted, a stockpile of logs is growing which needs to be dealt with, and Bruce's next photo shows timber being transported to the triangle. A number of such runs were made on Wednesday with many more still needed.

The graded spoil heap in the triangle - Bruce Healey - 5 April 2017 Transporting timber - Bruce Healey - 5 April 2017

Now the tamping has been completed, the crossings between platform 2 and 3 need reinstating. The reinstatement of the one at the north end was well under way by the end of Wednesday.

The first photo below shows a Panlock clip. This chair will be inaccessible under one of the foot crossings and rather than using 'normal' clips which can come loose, these lock in place and don't need maintenance. These clips do not grip the track quite as well as the 'normal' clips which is why they are not used everywhere.

The barrow crossing (below) seen being reinstated, obscuring the chair in the previous photo. The anti-slip material will be used right across. The far section is not yet in place, for which a structure is needed to support the boards whilst not interfering with the signal wires.

Panlock clip and chair - Bruce Healey - 5 April 2017 North end barrow crossing reinstatement - Bruce Healey - 5 April 2017

73082 'Camelot' is seen below at the north end of Platform 1 dropping off some wagons and vans. The locomotive also shunted a wagon into the Ardingly spur.

Barbara Watkins' photo from Tuesday shows the boards on the signal at the south end of platform 3/4 which are being replaced. Two more signals need to be similarly repaired.

Camelot shunting - Bruce Healey - 5 April 2017 Signal boards - Barbara Watkins - 4 April 2017

With 2-road connected at the end of March for the diesel gala, all that was required to get platform 2 usable was some horizontal alignment and tamping the track up to the correct level. It was purposely laid slightly low because tampers can lift track but they cannot lower it. Ballast can get kicked up or dragged up slightly during the sleeper laying and rail insertion processes so it is bulldozed, levelled with the aid of a laser and vibrated 50mm low to allow for this.

The tamper ran through three times, first with a partial lift mainly to fill the voids under the sleepers, secondly to bring it all up to the correct level and thirdly to remove any final dips and to add an extra 10mm to allow for settlement when traffic starts running over it. Brian Lacey's photo on the right from Saturday shows the nicely finished work, taken from the passing train.

Prior to the tamper operation there had been a "manual alignment" when the rail was literally pushed horizontally until it was in the correct position by the roadrailer sitting on 3-road. The jib pushed or pulled with a small lift action while one person stood astride the rail directing the driver and checking for the correct measurements from the platform edge. Platform 3 has a quite straight edge but platform 2 varies nearly 100mm over its length with the southern end curved back very slightly. Presumably this is because the road 2 formation primarily went to Ardingly originally. Therefore a slight "by eye" curve was put in starting before the platform end so that the rail face stayed within the correct tolerances. (730mm, plus 15, minus 0) This is not yet perfect and some slight adjustments was intended to be made on Monday earlier this week, right from the existing track at the points at the north end through to the Ardingly points at the south end.

The alignment and tamping was completed sufficiently on Tuesday evening to open the road for traffic again. Road 3 received another tamp on Wednesday but the last tamp to give the final correct line could not be carried out as the lining wire has not yet been replaced on the tamper. This will be done after Easter when the track has settled.

The picture below taken from the centre of 3-road shows how good the alignment can be made by just pushing it around with the roadrailer and also show road 2 before being tamped with the hump over the subway being obvious. It shows the difference even an old tamper can make.

Comparison between the tamped 3-road and 2-road before tamping - Jon Goff - 4 April 2017 Camelot on a test run in Platform 2 - Bruce Healey - 5 April 2017
Reinstated north end foot crossing - Barbara Watkins - 7 April 2017
The photo on the right by Barbara Watkins shows the reinstated foot crossing at the north end of the platforms completed last Friday. This can easily be lifted and replaced for maintenance unlike the previous one. It also now sports a very good glass fibre/resin/grit anti-slip surface, with which we intend to cover all wooden walkways as wood can be very slippery when wet.

Since the wires to the signal gantry at the south end of platforms 3 and 4 were reconnected there has been a slight problem with their operation. This was found to be due to the poor state of the timber platform to which the pulley wheels were attached. All the signals at Horsted are in a program to have their planking replaced but not many have yet received the new woodwork. The photo below shows Matt Crawford suitably adorned with the appropriate harness, hard hat, etc. on the gantry with one plank removed and on his phone (there is always someone trying to phone him) "trying to get a good signal!"

The middle photo is of one person very well known around the railway, being a driver and part of the infrastructure gang: John Padgham. He has a cold and nurse Barbara Watkins has given him inhalant in a bowl of hot water and a towel. A caption is still required for this picture...

The final photo shows the signalman's crossing at the south end, partially re-instated as of Monday, which should be completed by now.

Matt trying to get a good signal - Jon Goff - 7 April 2017 Caption required! - Jon Goff - 7 April 2017 Work in progress on Signalman's crossing - Jon Goff - 10 April 2017

January to mid February 2017: Replacement of Track at Holywell

Relaid track near Holywell - Mike Hopps - 10 January 2017
The month-plus line closure in early 2017 was to enable the relaying of about 1/3 mile of life-expired track near Holywell, to the south of Horsted Keynes.

Mike Hopps provides these four photos showing fantastic progress in just the first week. The Infrastructure gang had been out in force and at close of play on Tuesday 10 January, 10 new panels had been laid, as seen on the right.

The job was going well so far and was on target time-wise. The photos below show the old track being lifted out, new sleepers laid on the re-graded trackbed, and rails being installed.

Old track being lifted out near Holywell - Mike Hopps - 10 January 2017 Sleepers laid near Holywell - Mike Hopps - 10 January 2017 New rails being fitted near Holywell - Mike Hopps - 10 January 2017

Preparing for embankment stabilisation - Bruce Healey - 24 January 2017 At close of play on 25th January the new rail was almost all in. Of the 29 track panels, 28 were in and the last one, the transition panel was half in. The transition panel consists of a half panel of flat bottomed rail laid on 11 concrete sleepers and 3 wooden ones which connects to a half panel of bullhead all laid on wooden sleepers.

This last northern part of the relaying has always suffered from the embankment bellying out on the west side. The side of the embankment has been excavated and successive layers of plastic mesh and compacted soil put down to stabilise the formation.

While it might have looked like the work was almost complete, there was still a lot more to do. The track needed slewing to its final position and about a third needed clipping up. The whole section would then be ballasted and tamped. Then there was the breaking down and removal of the old track panels, clearing the site and finally scraping out the existing ditch on the east side. We were well ahead of schedule and confident of an early completion.

We would like to thank the Saturday and Sunday gangs for their help and in particular the 9F club who energetically and competently assist in clipping up the track.

The photos from Bruce Healey show:

  • Above right: The mesh for the embankment stabilisation being cut while the digger collects soil ready for compacting.
  • Below: New unballasted track with the orange insulators and pandrol clips which locate the track on the sleepers laid out ready.
  • Sleepers being moved into position. Some of the replaced bullhead track can be seen in the background. The yellow marks indicate the correct positions for the sleeper ends.
  • The end of the flat bottomed part of the transition panel is in the foreground and sleepers are being laid for the bullhead part. The track in the background under the digger is not being replaced.

New track laid - Bruce Healey - 24 January 2017 Sleepers being moved - Bruce Healey - 24 January 2017 Transition panel - Bruce Healey - 24 January 2017

New formation at Holywell, looking south - Bruce Healey - 8 February 2017 On 2nd February, the new track was being tamped. There have been 10 ballast drops already and another 2 will be required.

If the relaying of a third of a mile of track does not sound a lot, the following items were used:

  • 29 track panels each 60 feet in length
  • 795 concrete sleepers
  • 17 wooden sleepers
  • 1590 insulating pads
  • 3180 'biscuits' (which go between a pandrol clip and a concrete sleeper)
  • 3200 pandrols clips
  • 240 holes drilled for fishplate bolts
  • 62 fishplates sets
  • 248 bolts
  • 28 bullhead keys

New formation at Holywell, looking north - Bruce Healey - 8 February 2017

By the beginning of the final week of work, the new track at Holywell had been aligned, ballasted and tamped. The track now has the correct cant for 25mph operation. The week was occupied with removing the replaced track panels and completing clearance of the site. The photos above and left show the restored track, looking in either direction, as of 8 February. Work was also started that week on lifting the track for re-laying in 3-road at Horsted Keynes, but that's another story.

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