Bridge Information Center, St. Louis, MO, USA

This 60'' (18.30 m) high maximum security information center near the St. Louis Airport is one of three large airport construction sites in that area.

PERI TRIO wall formwork was used in conjunction with PERI KGF 240 to meet a demanding four months site schedule.

Utilizing 30'' (9.15 m) TRIO for the ground pour and supplying two lifts of TRIO and KGF 240 approx. 14'' high going simultaneously around the perimeter walls of the structure.

The crew on site and the contractor were satisfied with the speed of forming TRIO and having no crane down time on the upper lifts, because of the roll-back support system.