Our 5 cubic metre 65-tonne heavy shallow soakaway systems come flat-packed and with enough geotextile membrane to wrap all outer layers of the system.You will need 40 shallow crates which we would recommend laying 8 crates wide by 5 crates long. This will give you a complete soakaway of 4.8m (W) x 3m (L) x 0.36m (D).A rubber mallet for assembly and a number of cable ties will also be included to join the crates together and to clamp the membrane around your pipe entry points.Assembly of this set really is a quick and easy process - full instructions can be found in our installation sheet.Size, load and capacityThe dimensions of the complete soakaway are 4.8m (W) x 3m (L) x 0.36m (D)Rainsmart soakaway crates have a void ratio of 95% - this is the amount of free space within the crate structure that can be used for rainwater storage. The capacity of this 5 cubic metre soakaway is an impressive 4,920 Litres.The vertical crush load capacity of 65 tonnes per square metre ensures that the Ra