Rebar-tying robots have come to Wisconsin. Waukesha-based MKE Iron Erectors recently used one on a bridge project, a first in the state. 

Developed by Advanced Construction Robotics of Pittsburgh, Pa., TyBOT performed 17,823 ties in two shifts across a 7,775-sq-ft area on the IH-39 Structure B-11-166 bridge in Columbia County, north of Madison. That’s more than 1,100 ties per hour.

Mike Relyin, Director of Iron Workers Union's Department of Reinforcing Ironworkers, explains how TyBots are an evolution of existing tools and methods used by reinforcing ironworkers and how the Iron Workers is working with the makers of TyBots to train members to put them to use.

Read article on ENR.com.