Kew Gardens Interchange Infrastructure and Operational Improvement Project – Bridge 3 Demolition
Siefert Associates, LLC prepared working drawings for Halmar International to demolish a portion of an existing 63’ long concrete arch...
Siefert Hits the Slopes!
Last month, the Siefert team assembled for the annual ski trip! We had a fun packed snowy weekend of skiing, snowshoeing, and tubing at...
Atlantic Street
Siefert Associates, LLC prepared working drawings for Halmar International to erect two [2] steel girders for a proposed pedestrian...
Henry Hudson Bridge
In January of 2020, Restani Construction, with the help of their steel subcontractor Northeast Steel Erector, installed the Stage 2...
