Hydroelectric Plant Sluice Gates: 2018

Whoa! The extraordinary river flow of 2017 caused some pretty drastic long-term changes to the HydroElectric Plant route. Perhaps the most obvious is the change in the sluice gates. This is what they used to look like: But this is what they look like today! It appears I need to resketch my sketch! The boards …

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Leaving the Locks: the Wharf and Ferry Dock

When you reach the final cribbing of the tailrace described in this post, by whichever way you got there, you now have the opportunity to explore the municipal wharf footings and the ferry dock and road on your way back to shore.You can leave the locks from anywhere you wish, but the photo below shows the relative distances from …

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Middle Route: Rapide Plat Lock (1847)

The approach to the locks is described in this post. You want to arrive at either of position #2 or #3 described there. You'll pass over a tire (the only one in the entire site) and come upon a pile of bottles at the base of the lock's upstream gate. I'm calling it a "gate" …

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Inner Route: The Hydroelectric Plant – From Plant Foundation to Tailrace

When you reach the foundations of the hydroelectric plant itself, you'll find bricks: lots of red bricks piled at the bottom of the plant's concrete wall with a few still partially affixed at its top. Pay attention to your direction at the top of the wall.  Moving east over it with the current will carry you through the area of …

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Top o’ the Wall: Between the Old and New Locks

In this photo, courtesy of stlawrencepiks.com, you can see the grassy section between the two locks. Starting upstream, note its important features: the initial curved approach wall, the dark rectangular and circular flower beds, the lock house in the centre, the position of the downstream Lock 23 gate, and the drop in depth where the wall curves inward, …

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Inner Route: The Hydroelectric Plant – From Sluice Gates to Plant Foundation

The innermost route (the one closest to shore) takes you through the Hydroelectric Plant built in the late 1800s. Water was directed from the canal into the plant's headpond, then funneled into the turbine to create electric current for nearby transformers. Here's a sketch of Morrisburg's plant with its inflow "headpond" and its outflow "tailrace" area. I …

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2. You’ve Arrived at the Locks… But Where?

The site is large and, since you're always drifting, you get to see only a portion of it each time you dive. It's nice to know which section you've arrived at when you reach the stone structures. Here's the direction from which you've come: Here are the primary landmarks when you get there (details below): Here are …

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1. Entry and Drift to the Locks

For all Lock 23 sites, you enter from the same place on shore and swim out to the submerged Rapide Plat Canal to begin your drift. You start here... at Morrisburg's public boat launch. This photo was taken in the fall when boaters were few and far between but this isn't the case in summer dive season! For your own …

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