A concrete cradle is specified for support of an underground storage tank. Grade 60 bar-steel has been specified and must match the arc of the concrete cradle. Bending of grade 60 bar-steel is permitted:

A concrete cradle is specified for support of an underground storage tank. Grade 60 bar-steel has been specified and must match the arc of the concrete cradle. Bending of grade 60 bar-steel is permitted: