These shoring timbers were installed in 1968 following a partial collapse of the walls in the cutting, the collapsed section can be identified by the different coloured blocks to the left of the cutting.
This image was taken in 2008 thirty odd years after the 1970 style housing blocks were built, and shows the Albert Street bridge in the distance.
Boats continued to sail beneath the timbers, which gave a minimum clearance of 8 feet