1. SFOBB East Span Seismic Safety Project Dan Ambuhl, Specifications Engineer, Caltrans

2. SFOBB East Span Seismic Safety Project Selected Special Provisions Welding Structural Steel Audits Temporary Towers Mass Concrete Cable System Steel Structures Main Span Steel Structures YBI

3. SFOBB East Span Seismic Safety Project Applies to all Structural Steel Contractor responsible for QC CT has prerogative for QA Welding

4. SFOBB East Span Seismic Safety Project QC Plan is required Quality Control Plan –CT Qualification Requirement – All UT personnel must be qualified by CT QC Inspector shall represent Contractor Document Submittals Welding QC

5. SFOBB East Span Seismic Safety Project Quality Assurance at Engineer discretion QA Inspector shall represent Engineer Welding QA

6. SFOBB East Span Seismic Safety Project Steel Audits –General Steel Meeting –Contractor’s Self Audit –CT Audit Structural Steel Audit

7. SFOBB East Span Seismic Safety Project Temporary Towers Footings –Timber piles will not be allowed –Driving system submittal is required –Dynamic monitoring is required Towers –Specified to be made of steel –Working drawings will be required –Buy America does not apply to temporary works

8. SFOBB East Span Seismic Safety Project Consists of portions of piles, pile caps, pier columns and cap beams. Thermal Control Plan is required Demonstration pours are required Mass Concrete

9. SFOBB East Span Seismic Safety Project Cable System –Cable Wire Rod –PPWS Strand –S-Wire Cable Wrapping –Corrosion System Suspender System

10. SFOBB East Span Seismic Safety Project Steel Structures Main Span Typical Structural Steel –Girders, plates, connections –Full Scale Mock ups will be required, for details shown on the plans

11. SFOBB East Span Seismic Safety Project Steel Structures Main Span Non Typical Structural Steel –Hinge Pipe Beams –Castings Tower Saddle may be cast in max. of 3 pieces –Modular Joint Seal Assemblies, Circular Segmented Bearings –Travelers –Substation components & service platforms

12. SFOBB East Span Seismic Safety Project Steel Structures YBI All structural steel is on the Temporary Detour Structure Buy America does not apply to temporary structures