Hynds Precast Concrete Box Culvert Units are designed to be used as stormwater culverts, stock underpasses for rural highway crossings, pedestrian tunnels, and vertical chambers.
Precast box culvert units simplify the construction process, allowing for the rapid completion of works. A large variety of strengths and sizes are available. (Span and height can be varied.)
Hynds Wingwall units provide improved inlet and outlet hydraulics for culverts, stormwater outfalls and protection against erosion.
Reduces culvert crash impact severity, NZTA Accepted, Replaces Mountable Wingwalls