PRT says its long-term project replacing the plinth, or the concrete underneath the tracks in the tunnels underneath Downtown Pittsburgh is nearly complete. When light-rail service starts on ...

The Screed Rail is a laser-guided form system for producing level concrete floors when using hand-held floater screeds. Can be used with any make of floater screed for quick and easy wet screeding ...

However, the concrete plinths are required to be level through ... operated and maintained passenger rail service. This intercity system will connect Orlando and Miami with intermediate stations ...

Portions of the light-rail system in Pittsburgh will be closed for about two months starting on Thursday. Crews are repairing the plinth, which is the concrete beam that supports the tracks.

The Plinth project ... of a $150 million light rail improvement project. PRT says the safety of its service has “been significantly increased” after replacing concrete beams that support ...