Lorry body butchery build question

dgb

Well-Known Member
We’re about to purchase a fridge lorry body to turn into a butchery unit. I’d like a floor drain in each compartment to make wash down as easy as possible, though that means I need to run a pipe under the unit.

Has anyone been there done it or got suggestions for a nice easy way to support the body above the concrete slab (existing, so I don’t want to dig it up and build the drain into it) enough that I can get under and install the pipe? Doesn’t matter if it’s a squeeze but it will need to be more than the 150mm of the pipe.

I’ve considered:

1. Railway sleepers - think I would need to stack 2 to get the height, so dimensionally I think this will stack up to too much tolerance.

2. Building or casting padstones or some sort of support wall from blocks or concrete - Not discounted entirely but I’m not a bricky so it will be a slow job, happy enough pouring concrete though. Allows for custom height so they could be levelled, if I cast them might I have to allow for some slump? Could always pack them after building though if it wasn’t a roaring success dimensionally. Should be able to pre level these with a laser level. Will have to allow some cure time before the body arrives

3. Off the shelf padstones - would need to stack these for height, so potentially need to join them together? Could level with shims if necessary.

4. Heras fencing blocks - not sure on their compression load capacity, think I will need to stack them to get the height.

5. Sit the body on the floor and build a false floor - I think this will be a nightmare to seal and I will end up with a manky puddle in the bottom of the container that I can’t see. Also uses valuable clear height in the butchery.

6. Structural steel - could bolt this to the slab and replicate a sectional version of the chassis rails. Can shim to deal with the level. Cost might be an issue, or rust depending on the time period. Not yet looked into this properly.

As you can tell - I haven’t settled on a perfect solution yet so feel free to suggest whatever comes to mind.
 
Could you set the container with a very slight run towards draining area and a filter/catchment for small solids. It would only have to be a very minimal angle for fluids to run off. Maybe towards door. That way keep everything above surface until out of container.
 
I see what you mean, but I realise I haven’t specified but the plan is for a 40ft ish container which will be partitioned into 5 (enter/skin, chiller, cutting, freezer, packing) with cold room panels.

I would like to be able to work in/clean down each compartment individually, so I don’t really want one section draining through into the next.
 
My larder and butchery unit is in a large (20ftx8ft) refrigerated lorry back, just as you describe.
I have the whole thing mounted on a tri-axle trailer. This keeps it well off the ground, and gives the added advantage that it's mobile. All you need is a concrete pad to park it on.
 
I see what you mean, but I realise I haven’t specified but the plan is for a 40ft ish container which will be partitioned into 5 (enter/skin, chiller, cutting, freezer, packing) with cold room panels.

I would like to be able to work in/clean down each compartment individually, so I don’t really want one section draining through into the next.
So slight slope to one side (and slight fore/aft slope) so that separate drains can be added to each compartment at the lowest point.
 
Similar to what bo diddly said. Or pieces of pipe 12inch+ round set on end, drill a bit of rebar into the existing floor. Then pour concrete into the pipe at the desired height. Cut off the excess pipe when cured. That way you can level the site or create a slope as required.
 
Concrete blocks laid flat is easiest, two side by side, next two other way round, then you're building a solid pier. Easy even for a diy bricky.
Presumably you’d just use standard mortar for this?

Similar to what bo diddly said. Or pieces of pipe 12inch+ round set on end, drill a bit of rebar into the existing floor. Then pour concrete into the pipe at the desired height. Cut off the excess pipe when cured. That way you can level the site or create a slope as required.
I really like this idea, certainly simplifies the formwork.
So slight slope to one side (and slight fore/aft slope) so that separate drains can be added to each compartment at the lowest point.
That would probably make it easier to wash out, I will have to have a think. I’d been quite set on a recessed centre drain to allow me to create the mess right above the drain when skinning but maybe some fall to one side and a gully would be better.
 
Yes. I've done this to support two opposing corners of my workshop roof; it's been up for 30+ years, with trusses and concrete tiles, so it's a considerable weight. Works a treat.
 
4inch pipe more than big enough, plain ordinary concrete blocks on flat 2 high , no mortar required. It will never move an inch
 
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