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Install Pins and Setback Blocks

8:19
25:06
3.1M views

At 8:19 in

Crazy Neighbor Calls the Building Inspector on us

What happens here

Install the specialized pins into the slots of the top course of blocks. These pins are designed to create an 'automatic setback,' ensuring that each subsequent course of blocks is set slightly back from the one below it, which is essential for the wall's stability and to counteract soil pressure. Use a rubber mallet to firmly hammer the pins down, ensuring they are fully seated and make solid contact with the block below, rather than floating.

Goal: Securely install pins into the blocks to create the automatic setback, ensuring proper interlocking and structural integrity of the wall.

Tools and materials

  • Retaining Wall Blocks — The main components of the wall, into which pins are inserted
  • Retaining Wall Pins — Interlocking blocks and creating the setback
  • Rubber Mallet — Firmly seating the pins into the blocks without damaging them

What they say

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You want me to throw a scrap around that one? Pull it out a little bit or I don't know. Be able to get it. So, this K Cabota SBL65 has a flip up door, which I have had many skid loaders with flip up doors and never liked a single one of them until this one. This flip up door so far hasn't fallen down and hitten anybody in the head and allows us to actually work during the summer and if it gets dusty and nasty out to still pull the door down. On our other skid loaders with the swing out door, you're either stuck with the door closed or off. At least the flip up door gives us an option. Just beat them mfers in there. It's coming piece of crit. Okay, look closely. You can see exactly where Sam is beating the pins down. But these blocks have what's called an automatic setback. And what you can't see is those pins that he's beating down right now. He's beating into the slot that's directly behind the pin holes. So you guys see that long slot? That's where he's getting that pin to fit. And as long as that pin fits anywhere in that slot, you're golden. That's what she said. Then if you have them lined up right, you should just be able to drop them right in. Just like that. They drop right in like that. They're usually where they need to be. I still like to go through and give them a little check just to make sure. We seat the pins. And that means we basically pound them down into the block below. They're not hovering or floating. They've got full contact with the block below.

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