Base slabs help channel the water away quickly to prevent flooding.
Features & benefits
High flow drainage
When the box culverts are inverted, base slab becomes the roof of the culvert.
AS 3996: 2019
Base slabs are dropped into place followed by box culverts. If box culverts run parallel, then a link slab is placed in between to enclose the middle conduit. Minimal amount of backfill is required to complete the project.