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Old 4th July 2011, 20:23   #1
Piermaster
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Default On Track Plant Depot (OTPD)

Having an interest in on track plant (I worked with them for a few years) and recently been hanging around Ely station waiting for connections, I looked at one of the station's resident machines located in the OTPD (On Track Plant Depot) at the east end of the station:


DR 73925 'Europa'

The OTPD is basically two sidings and headshunt - hardly exciting, but could be interesting.

Then treated myself to two machines:


Bachman/Spectrum US Spec. Plasser & Theurer 07-16 tamper.


Bachmann Plasser American EM80 track recording car.

Got the track, got the board, got loads of Kibri HO scale portacabins.

Now find the time to start work!!!

Dave
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Old 4th July 2011, 23:43   #2
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Default Re: On Track Plant Depot (OTPD)

They look good Dave. Go Go Go.

Doug.
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Old 4th July 2011, 23:46   #3
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Default Re: On Track Plant Depot (OTPD)

OTPD is the British term, but I don't what the American equivalent is - if there is one.

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Old 5th July 2011, 17:34   #4
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Default Re: On Track Plant Depot (OTPD)

What do they do?
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Old 5th July 2011, 17:43   #5
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Default Re: On Track Plant Depot (OTPD)

Ballast Tampers consolidate ballast under sleepers by tynes down each side of the sleeper and squeezing the ballast under to raise the lvel or force the ballast out to lower the level, They also have a 'cradle' that clamps to the track and moves it laterally under an alignment system within the vechile to adjust and improve alignment.

Track Recording Cars (Track Geometry Cars in US) measure and record the track geometry - line, level, versines, transitions, twists, cants, gradients, etc and the data collected is used for planning future track maintenace programmes.

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Old 6th July 2011, 02:32   #6
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Default Re: On Track Plant Depot (OTPD)

Hi, Dave. Thank you for the explanations. I should have been more clear in my question: what do On-Track Plant Depots do? Are OTPDs just what Maintenance-of-Way equipment is referred to as generally, or do they do something specific?
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Old 6th July 2011, 07:47   #7
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Default Re: On Track Plant Depot (OTPD)

In the UK, On Track Plant (MoW in US) are based in OTPD's serving specific areas, these depots would maintain, service, minor repair, re-calibrate plant and conduct staff training and refreshers. I don't know if there are American equivalents, if not I'll model a generic OTPD without giving any national identity.
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Old 17th July 2011, 12:11   #8
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Default Re: On Track Plant Depot (OTPD)

Now some prototype photos surfed from the web to give me some inspiration:


Union Pacific Plasser & Theurer EM50 or 80 Track Recording Car.


Nacionales de Mexico Plasser & Theurer EM80 Track Recording Car.

and now:

I think this is the closest to an American version of an OTPD. I do have a Maintenance of Way Storage Boxcar which is about 20 years old and ideal for static placement.

Had a quick look at Ely OTPD:


Towards the two siding buffer stops.


Close-up of the tamper siding with heaps of sand to soak up the oil and grease that tampers love dropping everywhere!


The two sidings merge into one very long headshunt which in turn provides a connection to Ely South Junction where the Cambridge and Ipswich lines diverge.

Now pen to paper or track to board.
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Old 2nd September 2011, 16:40   #9
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Default Re: On Track Plant Depot (OTPD)

Initial Planning

Recently had wood laminate flooring put into our hallway and dining room and had a 910mm x 200mm offcut which has layout potential! Wood laminate flooring tends to be 6-10mm MDF with a veneer finish, but my 'planks' also have metal interlocking edges, so they should give me additional baseboard strength.

Had a rough planning session with my track and building remnants and came up with this:



From left to right:

MKD SNCF railcar fuelling point, Walthers SP Maintenance of Way dry stores boxcar (this will remain static), Kibri portacabin area (using up to 4 cabins and possibly on two levels), EM80 track recording car stabling siding, 07 tamper stabling siding.

Since then cork sheeting has been laid and glued down, board is currently pressed between New Walmington Pier and an old baseboard for the weekend! So work has started!
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