Precast Concrete Bases

Concrete Bases are key for low maintenance grid span. The strength of the base, as well as the bearing pressure under the base must match the forces from the equipment going over the crossing. 

For added strength bases require an internal rebar cage for reinforcement to handle heavy vehicle traffic. Grid Span Bases, whether for creek crossing or animal management, can be cast in place - which often makes more sense.

If your project involves a concrete driveway that will be poured up to the grid span you may choose to cast the bases in place. If you are cutting a grid span into an existing driveway and you would have to schedule a concrete contactor as well as concrete delivery, precast may be the better solution. 

For More Details on Bases, See our Guard Base Guide.

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