Revamping my handling facility.

I'm thinking about redoing my handling facility mainly my tunnel system. I currently have osb for the tunnel and bolted to a pole at each end of the plywood. I was on a budget when I built it lol. It works but not as well as it should and makes me nervous when there banging around in there. I was thinking of constructing my tunnel out of 1 1/2" square tubing and making some sliding gates instead of gueteen gates like what I have. Again it works ok but not like I want it. So what would I use to make the gates slide. What kind of rollers would I need? I'd assume something like on an old barn door?? I suppose I could get some V-Groove bearings on a flat iron for the rail? Any suggestions would be great. Thanks

UHMW is the stuff you are talking about I'll bet. V groove bearings are really cheap. Just a thought?? Do you make the tunnel system all self contained or do you use your existing floor for the bottom of the tunnel? Does that make sense?

FreeTown WTs said:

10×12 concrete pad inside barn. Tunnels are shaped in a horseshoe. Let me see if i can find my plans a buddy made me.

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I just have dirt floor so I'm going to just enclose the whole thing and put 3/4" plywood on the floor

I did think about that. Thanks for your input. I also thought about putting down rubber inside on the floor that would help quiet things down