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Construct Tiered Boulder Retaining Walls

3:20
9:48
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How to turn a hill into a flat yard with a Retaining wall

What happens here

With the excavation largely complete, focus shifts to slope stabilization using boulder retaining walls. Large natural boulders are sorted by size, with the largest stones (3 to 5 feet) being used for the base of the walls. Subsequent courses use smaller stones. The boulders are carefully placed by the excavator in a 'random pattern' rather than a standard 'basket weave' to create a more natural and visually interesting aesthetic. The walls are designed in multiple tiers to manage the slope effectively and create distinct, flat terraces above and below. These terraced walls also provide excellent drainage solutions.

Goal: Stabilize excavated slopes and create multi-tiered functional spaces using natural boulders.

Tools and materials

  • Large Natural Boulders N/A — Main construction material for retaining walls

What they say

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uh behind the scenes how we actually accomplish this. What you can see is we have an assortment of stones of various sizes. And what he does is he uses the largest stones for the base for the lower stones. and then he uh sorts and separates the smaller stones based on where he wants to place them in the structure itself. Um we like to be able to get those big 3 to 5ft stones on the bottom and then go the subsequent courses anywhere from 3 to four uh and then smaller sizes on up from there. The retaining wall itself in this case is a random pattern. Uh we like to break up a standard basket weave style boulder wall by putting a few boulders in uh at different um different angles just to give it a little bit of interest instead of having it looked like we laid uh like like we laid a bunch of uh bricks on top of each other and just a a standard brick form pattern or a basket weave pattern. So the retain this retaining wall is the random style and we need that site. It's been a few days since the last time we've been here and this is a perfect example of how jobs can change, how they are basically fluid and nothing is really set in stone until you actually get started on the project and see how everything comes alive and just uh fits in with the site. So in this case, original plan was just to have some very small retaining walls and mostly focus on boulder settings. But at the customer's request, they saw how well the walls were going in, how they looked. They basically fell in love with that look and they asked us to add more walls, to add more terraces, and to just create more of usable space above and below the retaining walls. So what we were able to do for them is if you look up here, we were able to create um a setting area that the focus of this will be to have a bonfire. Heartscaping has been completed. The bonfire pit is in. The terrace retaining walls are in. Everything is set. Now we move into the restoration phase. You can see we've got the hardwood mulch. It's a double shredded hardwood down. We have the edging going in place. Next will be the sad. In this project, we're going to allow the customers to do their own plantings as a kind of a bonus that what we'll do for them is we'll purchase the plants at wholesale. And to save them some money, we'll let them put them in themselves. A lot of our customers like to do that. It's a nice easy way for them to add sweat equity to their own project and it saves us from focusing on soft scapes and allows…

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