How effective are sandbags ?
Having suffered from a flood last November when a local river burst its banks and inundated us to a depth of 150-200mm and now hearing of flood warnings I am wondering how effective are sandbags as a barrier.
Do they keep out all of the water ?
If water levels stay high for 24 hours will they be effective ?
Its a warehouse situation and whilst in theory we could lift all stock above the presumed threat level it would be a right p.i.t.a.
Paul Mc Cann
Depends what you plan to do with them, and if there is any other access for water, like drains which can reverse or under floor ventilation. I would assume that they would slow the influx of water but that you would get some seepage - but that sounds a lot better than no protection. I assume also that you plan to put them across doorways and not build a wall all round the property.
The flood defences on the coast here are (at their simplest) a U channel vertically either side of the opening into which are slotteds boards - like short scaffold boards - to form a barrier. Much the same as stop planks on the canals. Again probably not water tight but significantly reducing an influx. Something like this coupled with snadbags might be an effective solution.
A freestanding petrol/diesel pump on the inside might be a good belt and braces move.
Cheers
Dave R
The knack is to place a plastic sheet across the front tof the door and use sandbags to hold it in place. not perfect but better than nothing.
Jonathan who lives in a mill
Why not? I was very impressed by the first photograph here.
Someone must have had the right machinery to do that.
I suggest you read this:
I was also impressed (much further down) by the fire ants.
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