The first time I found out the weight of water was when I had the bright idea to lay a tarp down on my driveway during a snowstorm so I could drag the snow off

The first time I found out the weight of water was when I had the bright idea to lay a tarp down on my driveway during a snowstorm so I could drag the snow off to the side instead of shoveling it. What was the most extreme rapid you ran? Did you have any close scares with death?