# Installing removable bollard sleeves

> How removable bollards are installed: a sleeve or ground fitting set in concrete, flush with the surface, that the post locks into. Published fitting depths for crash-rated removables, and winter tips.

Canonical: https://safetybollards.ca/installation/removable-bollard-sleeves
Last updated: 2026-10-26

The part of a removable bollard that gets installed is the sleeve: a receiver set flush in concrete. The post drops in and locks; take it out and the lane is clear, with nothing to trip on.

> Before anyone digs or cores, get a utility locate. In Ontario that’s Ontario One Call; every province has an equivalent. A slab can hide conduit, radiant heat or post-tension cables: scan it before coring.

## Published fittings

| Product | Ground fitting | Rating |
| --- | --- | --- |
| ännt RM150/C40-900 | Steel ground sleeve with anchor bars and base plate | ASTM F2656-20 C40 P1 |
| ännt RM275/K4-900 | Reinforced ground fitting 400 mm below grade, anchor bars 110 mm below that, 590 × 590 mm base plate | ASTM M30 (K4), PAS 68, IWA 14-1 |
| Gibraltar G-1631R | 8.5 in foundation | ASTM F3016-19 S30 P1 |

## Getting it right

- Set the sleeve **flush** with the finished surface, so ploughs and wheels ride over it when the post is out.
- Give it **drainage** or a sealed cap: a sleeve that fills with water freezes solid, and the post won’t go back in until spring.
- For a rated removable, the sleeve is installed to the maker’s drawing; the rating covers the post and the fitting together.
- Plan where the posts live when they’re out, and who has the key.

## Sources

1. [ännt Bollards, RM150/C40-900 removable crash-rated bollard](https://www.anntbollards.com/product/rm150-c40-900/) (checked 2026-10-26)
2. [ännt Bollards, RM275/K4-900 removable crash-rated bollard](https://www.anntbollards.com/product/rm275-k4-900/) (checked 2026-10-26)
3. [Gibraltar, Safety bollards (G-1631 series)](https://www.gibraltarperimetersecurity.com/safety-bollards/) (checked 2026-10-26)

To get a written quote for this, use the site-plan builder: [Build a site plan](https://safetybollards.ca/quote?item=removable-bollard).

## Related

- [Removable bollards](https://safetybollards.ca/removable-bollards)
- [Removable vs retractable bollards](https://safetybollards.ca/vs/removable-vs-retractable-bollards)
- [Embedded and pour-in-place bollards](https://safetybollards.ca/installation/embedded-bollards)
- [Bollard crash ratings explained](https://safetybollards.ca/crash-ratings)