After switching from conventional to explosive demolition, the contracting consortium building the new 3-mile-long Mario M. Cuomo Bridge over the Hudson River in New York finally brought down the east section of the main span of the old Tappan Zee Bridge.
An eleventh hour intervention by N.Y. Gov. Cuomo may allow rail service for big storm repair, but the abrupt change in project scope is facing some team pushback.
Skeptics say controversial L Train tunnel rehab shift, developed by NY academics and pushed by Gov. Cuomo, has safety, fix longevity issues; Amtrak may also consider it.
A note from the engineer of record on an approved shop drawing for San Francisco's Salesforce Transit Center appears to have initiated an instruction to the steel fabricator to cut two 2-in. x 4-in. holes in the bottom flanges of the hub's built-up plate girders.
I once attended training for fleet drivers who frequently tow trailers. During discussion of attaching the trailer hitch to the truck, the instructor asked if the operators crossed the safety chains under the tongue when connecting.