hanna group, engineering firm sacramento, construction management sacramento, project management sacramento, bridge construction sacramento, interchange construction
  • hanna group, engineering firm sacramento, construction management sacramento, project management sacramento, bridge construction sacramento, interchange construction
  • hanna group, engineering firm sacramento, construction management sacramento, project management sacramento, bridge construction sacramento, interchange construction
  • hanna group, engineering firm sacramento, construction management sacramento, project management sacramento, bridge construction sacramento, interchange construction
  • hanna group, engineering firm sacramento, construction management sacramento, project management sacramento, bridge construction sacramento, interchange construction
Clients / Caltrans

Project Dates: March 2006 – 2013
Construction Cost: $1,450,000,000
CM Fee: $1,000,000

San Francisco Oakland Bay Bridge Self Anchor Suspension(SAS) Bridge Project – San Francisco, CA

Considered the  architectural signature of the new Bay Bridge, the single-tower Self-Anchored  Suspension span (SAS) will be the longest single-tower, self-anchored  suspension bridge in the world. With a  main span length of 1,263 feet consisting of twin steel orthotropic box girders and a single 525-foot-tall steel tower, the SAS new bridge will carry the  westbound traffic including a cantilevered bicycle and pedestrian path on the  eastbound (south) side.

THG’s scope of work consists of providing Lead Field Engineering/Inspection and Mechanical, Electrical and Plumbing.

Structural work includes steel inspection, submittal review, shop drawing review, paint inspection, bolting inspection, bar reinforcement, temporary supports and bridge rail construction.

MEP work includes Submittal Review and Inspection of  the following:

Mechanical, Electrical, and Plumbing Submittals (MEP) that include Aviation, Navigation, Marker Lights, Dehumidifiers, Elevator, Fiber Optic cables, Pull Box Panels, Booster Pumps, Traffic Operating Systems, Seismic Detection Systems, Cable tray systems, Mechanical Pipes, MEP Penetrations on the Tower for conduits and dehumidifier ducts, elevator design & code Issues, Tower & Deck 3D model for Clash Detection with MEP components.