Special Recognition for the development of brake machine concept
Dipl.-Ing. (FH) Stefan Hollfelder received the VDI Award of the Association of German Engineers, as a special recognition of study credits for the development of brake machine concept for the installation of steel cables in pre-high-voltage overhead power lines by helicopter, as well as construction of two versions.
26.03.2003 Construction News
Research & Development (plant and equipment), sponsored by Intermat
The three finalists in this category varied so enormously in the scope and nature of their projects that the judges were almost at a loss to draw any useful comparisons between them
Joint Winner: OLE & Distribution Alliance
This was a remarkable project culminating in the production of a combination of highly specialised machines which, while undoubtedly a piece of construction plant, is far removed from what most people would regard as such.
The train is about 200 m long and compromises a number of discrete components, mainly modifies off-the-shelf rail equipment, combined to produce a train that completely revolutionises the renewal of overhead rail power cables. The improvements in productivity and operator safety are enormous and the effect this train will have on the West Coast Main Line is likely to be profound.
The Overhead Line Equipment and Distribution Alliance is a joint venture comprising Balfour Beatty Rail, WS Atkins Rail, GT Railway Maintenance and Network Rail (formerly Railtrack). Its incentive for developing the new wiring train was the ambitious renewal programme on the West Coast Main Line: 750 wire runs in two years, or 7.8 runs a week. Existing methods – usually involving the manual installion of cable from the roof of a moving train just a couple of metres away from a live track – were not only very dangerous but also painfully slow. “We scoured the world to find a piece of equipment to do the job, but there was no one piece of kit. In the end we designed our own solution,“ says Alliance production manager Terry Walsh.
The Alliance contacted specialists manufacturers – principally the German firm Windhoff, which supplied the engines and most of the rolling stock. An 800 m long replica of the West Coast Main Line
What the judges said:
"In terms of the magnitude of the achievement, this is phenomenal. How come our rail industry has earned itself such a poor reputation when there´s stuff like this going on?"
"A superb application of existing technology."
One of the main criteria for the new train was fast travel speed. With rail privatisation, most of the sidings along the route had been sold off to realise their land values - any re-wiring train had to get off the track quickly at the end of its working day to allow scheduled services to occupy the track, and without the sidings, fast travel speed was vital.
Now fully operational, the new train will complete each single wiring run in 3.25 hours. Not bad compared to the previous average time of 16 hours.