Open-truss legs are made of tubular steel sections ... mat-supported jackups distribute the weight of the rig across the ocean's bottom, like a snow shoe. Usually shaped like an "A," mat supports ...

We were brought on to handle all the rigging and draughting requirements for the show,” said Luke MacBride, design engineer ...

(The significance of Mr. Holcombe’s rig crossing the bridge was that his ... The article Steel-Truss New Hope-Lambertville Free Bridge Turns 120 appeared first on New Hope-Lambertville Patch.