UNDERPASSES

Dairy Tech underpasses are designed to engineers' specifications to allow safe and easy movement of stock and farm traffic under roadways.

The Dairy Tech concrete underpass is known for its adaptability, strength and permanence – and rapid installation after excavation by using precast concrete slabs.

It is comprised of precast walls and roof, with the only concrete poured on site being for the floor (on Dairy Tech steel mesh) and along the roof edge to strengthen and seal the roof/wall join.

Strong and adaptable

After excavation of the site, Dairy Tech designed and manufactured concrete buttresses (to support the walls) are craned in place and then Dairy Tech precast 175mm thick wall panels are welded in place.  The walls have two layers of Dairy Tech mesh and are made of 40MPA concrete, as is the roof which is 230mm thick with edges shaped for fitting to the walls.

The underpass is adaptable in length, slope and height – a recent underpass being 3.2 metres high to allow for a large tractor.

The underpass structure also includes precast wing-walls, manufactured by Dairy Tech, to hold the entry and exit banks. Above the underpass are low precast walls with galvanized pipe safety rails for above-ground traffic.