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Stesso

Laying the Keystone Compact Units (Second Tier)

3:30
16:09
131.7K views

At 3:30 in

The Ugliest retaining wall we've ever built -in 4k!

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What happens here

The crew begins laying the second tier of the main retaining wall. This tier consists of 'Keystone compact units' in gray, which were already on site from the previous contractor. These blocks feature pins for interlocking and can be core-filled for added stability. Blocks are meticulously leveled and squared using a speed square and a bubble level, often requiring repeated tapping with a hammer to adjust their position on the challenging Class 5 base. String lines are used to maintain straightness and consistent height.

Goal: Install the second tier of the retaining wall using existing Keystone compact units.

Tools and materials

  • Bubble Level — Ensuring blocks are perfectly level, both horizontally and front-to-back
  • Keystone Compact Units Keystone — Constructing the second tier of the retaining wall
  • Rubber Mallet — Tapping blocks into place for precise leveling and adjustment
  • Speed Square — Squaring blocks against the existing wall or adjacent blocks
  • String Line — Maintaining a straight line and consistent height across the wall tier
  • Work Gloves — Hand protection

What they say

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impacts things in just a minute we're just squaring that up put the wall then and that's gonna set the pieces let's see how it no square this one is to the wall class 5 is not just harder to base off from because there's no forgiveness and the material itself but if for some reason you do have a soft spot in the base it tends to allow the blocks to deflect more or shift and settle down the rope yeah these are so we're stepping down going couple more blocks this way then we're taking this top course off of here just to make it look more gooder and buildup down there and kind of try to fix this radius a bit yeah could be in business let's dive in here and talk

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