The photograph above and to the side were taken early in 1990 and show the viaduct before the fitting of drainpipes. In December 1992 notice was given to the public that it was proposed to "install downpipes" on the listed structure. Other repairs and reconstruction of a wall were to take place at the same time. Presumably the work was carried out in 1993 (if you remember this work being carried out, please comment).
The reason for the installation of these pipes would obviously be to improve the drainage arrangements. A similar project on another disused viaduct at a similar date spoke of such structures being at risk of becoming "saturated, and the stonework damaged by frost" and of "leaching out of the mortar". While not particularly attractive, the drainpipes at least help to preserve this great symbol of skill and enterprise.
Below are some recent images showing the pipes on the viaduct.
The reason for the installation of these pipes would obviously be to improve the drainage arrangements. A similar project on another disused viaduct at a similar date spoke of such structures being at risk of becoming "saturated, and the stonework damaged by frost" and of "leaching out of the mortar". While not particularly attractive, the drainpipes at least help to preserve this great symbol of skill and enterprise.
Below are some recent images showing the pipes on the viaduct.
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