Hand signals deliver instructions to the crane operator as the final section of concrete forming the curb for the roadway and sidewalk is delivered by a concrete bucket. Most of the previous pours were done with concrete pumps to deliver high volume of aggregate over a great distance in the briefest period of time.
Hand signals for concrete delivery via bucket and crane
Previous post: Beginning to look like a bridge
Next post: Hardened grout pads removed from beneath steel beams
