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SFOBB East Span Seismic Safety Project San Francisco-Oakland Bay Bridge East Span Seismic Safety Project Pier E9 Following the 1989 Loma Prieta Earthquake.

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Presentation on theme: "SFOBB East Span Seismic Safety Project San Francisco-Oakland Bay Bridge East Span Seismic Safety Project Pier E9 Following the 1989 Loma Prieta Earthquake."— Presentation transcript:

1 SFOBB East Span Seismic Safety Project San Francisco-Oakland Bay Bridge East Span Seismic Safety Project Pier E9 Following the 1989 Loma Prieta Earthquake

2 SFOBB East Span Seismic Safety Project Welcome Sarah Picker, Event Coordinator Sarah Picker, Event Coordinator Brian Maroney, Toll Bridge Design Manager Brian Maroney, Toll Bridge Design Manager

3 SFOBB East Span Seismic Safety Project Ground Rules no bidder inquiries discussion only to take place everything available on web page www.dot.ca.gov/esc/tollbridge

4 SFOBB East Span Seismic Safety Project Project Limits

5 SFOBB East Span Seismic Safety Project SFOBB East Span Segments SKYWAY SUSPENSION YBI TRANSITION OAKLAND APPROACH YBI TRANSITION SUSPENSION SKYWAY OAKLAND APPROACH

6 SFOBB East Span Seismic Safety Project Self-Anchored Suspension Segment

7 SFOBB East Span Seismic Safety Project SAS superstructure SAS E2/T1 Structures 04-0120E4 SAS superstructure 04-0120F4 bid open date: June 3, 2003 SAS W2 Structures 04-0120C4

8 SFOBB East Span Seismic Safety Project Alternative Bidding è 1 st bid by each construction team submitting must incorporate a domestic supply of steel è If, and only if, a responsive 1 st bid is submitted, a 2 nd alternative bid may be submitted by that construction team that incorporates an international supply of steel.

9 SFOBB East Span Seismic Safety Project Opening Remarks Dan McElhinney, Chief Deputy District Director Toll Bridge Program Dan McElhinney, Chief Deputy District Director Toll Bridge Program Janet Adams, SFOBB-East Span Project Manager Janet Adams, SFOBB-East Span Project Manager

10 SFOBB East Span Seismic Safety Project Business Enterprise Olivia Fonseca, Assistant Deputy Director of Civil Rights Olivia Fonseca, Assistant Deputy Director of Civil Rights

11 SFOBB East Span Seismic Safety Project Roadway Issues Steven Hulsebus Roadway Design Manager

12 SFOBB East Span Seismic Safety Project Environmental Constraints at YBI USCG Facilities Historic Structures W2 foundation contractW2 foundation

13 SFOBB East Span Seismic Safety Project Special Aquatic Site - Yerba Buena Island Yerba Buena Island

14 SFOBB East Span Seismic Safety Project T1 YBI Contractor Work Areas 8/2003 to 12/2003 Substation/Viaduct Retrofit W2 Foundation E2/T1 Foundations SAS Superstructure USCG Rd. Relocation South-South Detour YBI Transition Structures

15 SFOBB East Span Seismic Safety Project T1 YBI Contractor Work Areas 10/2004 to 1/2005 Substation/Viaduct Retrofit W2 Foundation E2/T1 Foundations SAS Superstructure USCG Rd. Relocation South-South Detour YBI Transition Structures

16 SFOBB East Span Seismic Safety Project Alternative Bidding Don Scheel, Chief, Construction Contract Specification Branch Don Scheel, Chief, Construction Contract Specification Branch

17 SFOBB East Span Seismic Safety Project Changes That “YOU” have Made è Attention to changes from contractor requests: êadditional connections within tower êsmaller contracts êmobilization payment specification êsteel fabrication specification êpartial payment for responsive submittal êalternative bidding êmaterials on hand ê campus enhancements/benefits êlowered Contractor $$ liability cap associated with potential EQ damage to work (lesser of $20 million cap or 5% of contract amount)

18 SFOBB East Span Seismic Safety Project 150 years to go è Don’t stop now, talk to us: è What can we do now to enhance this project and particularly its biddability? ê. ê.. ê…. ê…..

19 SFOBB East Span Seismic Safety Project materials on hand Payments for materials on site distribution of cash flow over life of project if in United States

20 SFOBB East Span Seismic Safety Project Bonding Caltrans recognizes bonding market has constraints Proposed legislation to reduce payment bond from 100% to 50%, possible bonding cap pursuing every opportunity

21 SFOBB East Span Seismic Safety Project What if seismic event reduce risk to contractor in case of earthquake lowered Contractor $$ liability cap associated with potential EQ damage to work ($20 million cap or 5% ofcontract amount) lowered Contractor $$ liability cap associated with potential EQ damage to work ($20 million cap or 5% ofcontract amount)

22 SFOBB East Span Seismic Safety Project Bidders not liable for terrorism terrorism bidder inquiry

23 SFOBB East Span Seismic Safety Project Mobilization Payments Caltrans recognizes high front end mobilization cost of marine projects over water and over $25 million Amend Section10264 of Public Contract Code, Add Section 284 to the Streets and Highway Code, relating to public works Chaptered September 27, 2002


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