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Yes it is made out of Jigstones these are cast concrete blocks of several different sizes and shapes and you can make just about anything with them. We have had to have a three months layoff and I can't finish it and have three more spans to go in. The problem is that it has got too hot here and the concrete goes off before you can get it into the moulds. It doesnt get under 20 degrees here for about three months of the year say late November, right through nearly to March. You can't do all your moulding at 2 am sort off. With jigstones I have already made two tunnel portals, about 15 pylons to support my elevated railways, a small bridge, two abutments and a number of gravestones as well as what you can see. We had a lot of trouble to start with, things falling apart, assemblies not matching up correctly and a lot of other stuff and we were in despare that we would ever make anything worthwhile, much of the trouble was to do with the heat but we persevered and we are now or were motoring very nicley. We have about 7 more pylons to make and an abutment and possibly another little bridge then on to the real work; making a gate keepers cottage and a medaeval castle. I have got moulds to make door and window frames as well as gables and roofs out of resin (pron rosin). However I was dissatisfied with the castle designs so I have decided to go on a three month trip to Europe to study castle construction among other things and will probably design my own. I don't know if you can see a palm tree in the photos but the castle will be located either near the palm tree or instead of it. When making the viaduct we constructed the sides individually with a jig to make them all identical then into another jig where we made two spans at a time. then we built the columns one at a time. Putting them in place is a major job they must be exactly 190 mm apart, away from the fence a constant distance, in this case 165 mm and also the same angle to it, in this case a right angle. Then they must be plumb in all directions, If they are not exactly in line when you place the spans on the columns they must be moved slightly to the correct position then checked again for plumbness. Then when the spans are in place, they must be checked for level and camber. then the sides are placed on the spans and the whole thing filled with ballast and the track laid in place. PHEW. Thats it i think Ian
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