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Site Assessment and Initial Dewatering

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How to Install Paver Patios, Walks and Driveways

What happens here

The project begins with an introduction to the site, which is currently a waterlogged former swimming pool area due to heavy rains. The main challenge highlighted is the saturated subsoil that needs to be dewatered before any construction can begin. A heavy-duty pump is used to drain the standing water. The existing muddy conditions are emphasized, and the presenter mentions the future steps of removing fine muck and laying down Class 5 base material and a sand layer.

Goal: Drain standing water and assess subsoil conditions for paver installation.

Tools and materials

  • Heavy-Duty Pump — Draining large volumes of standing water from the site
  • Shovel — Manually clearing muck and debris
  • Skid Steer Loader with Tracks — Moving wet material and muck after dewatering, suitable for soft ground conditions

What they say

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We get to experiment with a new brand of floating pavers today. No. Um, what we are going to be doing is setting up a paver base and we have water that's infiltrated the sub base. We used to have a swimming pool in this area. This used to be a swimming pool here and it looks like one again. But really what happened was because it's cut out and it started raining before we could get our class 5 base material in. This area is filled in. So you can see we've got the heavy duty pump going. We're going to pump this down. And then what we're going to have left behind is a layer of muck. It's it's actually still going to be pretty firm material cuz this thing was packed rock solid, but it's going to be a fine layer of just of tiny muck. We've got uh the skid loader with tracks here and we'll be able to kind of come right into this area, scoop out that little layer of muck, and then put class 5 base material down and then bring it back up to the proper elevation. Then put 1 in of sand in place. 1 in is the critical component. If you go an inch and a half with sand or if you go two inches with sand, what happens is is that sand has no cohesive material in it. And so it doesn't properly bind together. And if you put a patio chair on it and you get one point of impact, it's going to tip that paver up. So we want to make sure we limit the amount of sand we have in place. How deep is that water, Mie? Like a foot. Nah, it's not even that deep. Yeah, 6 in. Yeah, we'll have this thing pumped out in a little bit. So, that's the plan here. This area right here between this string line and that string line gets a new PA base. This area over here gets a deck, a wood deck. So, we're going to be completing the wood deck. We're going to actually be doing an extension off from that PA patio this way. So, we're going to document the process and show you how it's done.

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