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Design-Build

What is Design-Build

Design-Build is a procurement method wherein ODOT contracts with a single entity with needed design and construction capability to perform the project, including all design, construction, and contract administration. The agency retains oversight of the Design-Build contract. This type of contracting can be advantageous in a number of instances, with one of its main strengths being its' ability to effectively implement schedule critical projects.
 
The agency invites contracting entities to submit proposals for the design and construction of the project. The agency will perform approximately 15-30% of the initial design, and may provide some conceptual plans in order to accurately relay the intent of the contract. The design-build proposers then submit proposals for design, construction, time, and cost to perform all aspects of the project. The proposals are evaluated based on quality and price, and the Best Value proposer is awarded the contract. The agency then provides oversight during design and construction.
 
The Design-Build procurement method is very complex and requires additional staff time to draft and manage additional procurement documents and perform proposal evaluations and scoring.
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Design-Build Projects

- Hwy 99E: Willamette River (Harrisburg) Bridge (Pilot #1)
- I-5: Evans Creek to Rock Point Pavement Preservation (Pilot #2)
- I-5: Coast Fork Willamette River (SB) Bridge
- I-84: Lower Perry Interchange (Grande Ronde River) Bridge
- I-84: Quarry Bridges
- US20: Central Oregon Highway Bridges (COHB)
- Mt. Hood to Chemult (MHC)
- I-5: Sutherlin to Roseburg Section (SRS)
- I-5: Clarks Branch to Tunnel Mill Race (CBT)
- I-5: Wilsonville to Hayesville Interchange (WHI)
- US 20: Pioneer Mountain to Eddyville Section (PME)
- I-5: McKenzie River to Goshen Grade (MRG)
- I-5 to Weaver (I-5W)
- OR38: Elk Creek to Hardscrabble Creek (EHS)
- US395: McKay Creek to Silvies Slough
- I-5 Elkhead Rd to OR126: Knowles Creek
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What is Design-Bid Low Bid

 
Design-Build Low Bid provides a more streamlined means for delivery than is presently available in Design-Build Basic. The primary differences between DB Basic and DB Low Bid are the allocation of responsibility and risk, and the award criteria. DB Low Bid places more responsibility on the Agency in regard to quality, environmental permitting and compliance, and third party conflict resolutions. 
 
DB Low Bid provides flexibility to do more projects with less cost and/or the potential for “fast-tracking” the delivery. DB Low Bid should be easier and less expensive for the Designer, the Contractor/Builder and ODOT.
 
 
DB Low Bid provides flexibility to do more projects with less cost and/or the potential for “fast-tracking” the delivery. DB Low Bid should be easier and less expensive for the Designer, the Contractor/Builder and ODOT 
 
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Design-Build Low Bid Projects

 
- N. Umpqua River, Highway 138E (Tioga Bridge) Section (Pilot #1)

Project Information
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