We'll set the charges against the piles about three feet under the water, I should think, and run the main wire downstream to the plunger.
11 seconds sound clip from the The Bridge on the River Kwai movie soundboard.
You can hear this line at 02:04:34.092 in the Blu-ray version of the movie.
Quote context
[...]
- They've got a British officer working down there on his knees.
- The Japanese seem to be enjoying it too.
- If he knew we were here, it might boost his morale a little.
- If it wasn't for the train, we could set a time fuse and be miles away.
- The problem is where to hide it.
- Our side of the river is quite obviously used by the Japanese. They'd spot it at once.
- Look. Do you see those fallen tree trunks? And the grey rock just below them on that little beach?
- As soon as the bridge goes up whoever's there will have to swim back.
[...]