Presentation on theme: "The Design-Build Experience. I-95 Honda Interchange $ 8 million Wateree River $ 8 million Reedy & Enoree Bridge $ 3 million SC 170 Widening $100 million."— Presentation transcript:
The Design-Build Experience
I-95 Honda Interchange $ 8 million Wateree River $ 8 million Reedy & Enoree Bridge $ 3 million SC 170 Widening $100 million Cooper River Bridges $ 531 million Conway Bypass $ 386 million Southern Connector $ 206 million Carolina Bays Parkway $232 million
Reedy River Bridge Enoree River Bridge First Design-Build Bridge Replacement in SC First Design-Build Project to Start Construction in SC 1996 RFP Process Two Bridge Replacements $ 3 million Designer Wilbur Smith Associates
Cost Summary Cost Summary n Estimate for Design-Bid-Build$ 3,222,000 n Design-Build Price$ 3,125,000 Time Summary Estimated Design-Bid-Build 628 Days Design-Build581 Days
Wateree River Bridge Bridge Replacement $ 8 million RFP Process Designer Ralph Whitehead & Assoc.
Wateree Cost Summary n Estimated Design-Bid-Build $ 9,162,000 n Design-Build Price $ 7,956,000 * * Includes $50,000 for SCDOT Preliminary Engineering & $50,000 for Construction Monitoring $50,000 for Construction Monitoring Wateree Time Summary n Estimated Design-Bid-Build967 Days n Design-Build457 Days
HONDA INTERCHANGE New Interchange Bridge Replacement $ 8 million RFP Process Designer Consoer Townsend Envirodyne Total Timeframe – 11 Months
SOUTHERN CONNECTOR Greenville County, SC New Location Toll Road 16 Miles in Length Interwest Carolina Group $206 Million 45 Months Maintenance by SCDOT Toll Collection/Operation by Interwest RFP Process Contract Signed
Accelerated project completion. PROS OF DESIGN BUILD Generally, final cost less than initial cost estimate. Benefit of having facility available to public. Positive public perception.
Reduced timeline for Right of Way acquisition. CONS OF DESIGN BUILD Increased condemnation perception.
R/W acquired and cleared in accordance with Uniform Relocation Assistance and Real Property Policies Act of 1970, as amended, and state R/W procedures. FHWA Requirements R/W certification must be submitted to and approved by FHWA prior to work commencing on individual tracts or entire project.
FHWA Requirements Request for R/W services must be included in request for proposals. Design/Builder must submit written acquisition and relocation procedures to STD for approval; should contain appraisal, acquisition, and relocation strategy.
Role of SCDOT Develop a concise RFP. Provide an on-sight R/W Project Manager as single point of contact with authority to approve all settlements and provide tract certification. Provide constant oversight to insure all federal guidelines are adhered to.
Lessons Learned Assign Project Manager and authorize to approve just compensation, appraisals, relocation, administrative adjustments, etc. Establish “critical path” for construction and stage R/W and relocation accordingly. Identify new methods to handle R/W issues; i.e., purchase of improved property without appraisal including establishment of total benefits to landowner, use of auction company for disposal of 14 homes (less than 3 years old).