Old Stone Mill, Delta, Ontario

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North Side and Buffer Wall\nA unique feature to the Old Stone Mill was the buffer wall, originally built in 1810-11. \n Since the mill acted as it's own dam (stoplog dam at the head of the mill's bywash), the wall was vulnerable to things such a ice and spring flooding debris.\n The solution was to build a wall that extended out 7 feet, with openings into the millraces. \nThe top of the waterwheel headrace is just barely visible. \n\nIn c.1861, with the building of the turbine hall (right side) the buffer wall was extended to also protect the turbine headrace.\n\n It was removed by MNR after they built a new dam upstream of the mill in1962 to expose the turbine raceway and\n to allow for stabilization of the bywash, which including the cement wall that can be seen in this photo.
Credit: Art Shaw

North Side and Buffer Wall
A unique feature to the Old Stone Mill was the buffer wall, originally built in 1810-11.
Since the mill acted as it's own dam (stoplog dam at the head of the mill's bywash), the wall was vulnerable to things such a ice and spring flooding debris.
The solution was to build a wall that extended out 7 feet, with openings into the millraces.
The top of the waterwheel headrace is just barely visible.

In c.1861, with the building of the turbine hall (right side) the buffer wall was extended to also protect the turbine headrace.

It was removed by MNR after they built a new dam upstream of the mill in1962 to expose the turbine raceway and
to allow for stabilization of the bywash, which including the cement wall that can be seen in this photo.


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