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In which project delivery method does the owner typically engage a contractor to both design and construct the facility under a single agreement, facilitating faster project completion?
The Design-Build (DB) project delivery method integrates both design and construction under a single contract, allowing for a streamlined process that reduces project duration and cost overruns. This method contrasts with traditional Design-Bid-Build (DBB), where design and construction are separate contracts.
Key Features of Design-Build:
Single-Source Responsibility:
The owner contracts a single entity responsible for both design and construction.
Faster Project Completion:
Overlapping design and construction phases enable faster project delivery.
Reduces the risk of project delays due to coordination issues between designers and contractors.
Cost and Time Efficiency:
Early contractor involvement allows for cost-effective design adjustments.
Minimizes disputes between design and construction teams.
Reduced Owner's Administrative Burden:
The owner has fewer contracts to manage, simplifying decision-making and project oversight.
Comparison to Other Project Delivery Methods:
Method
Description
Owner's Role
Speed
Design-Bid-Build (DBB)
Separate design and construction contracts
High involvement
Slow
Design-Build (DB)
Single contract for design and construction
Moderate involvement
Fast
Construction Manager at Risk (CMAR)
CM acts as advisor in design phase, then becomes general contractor
High involvement
Moderate
Engineering, Procurement, and Construction Management (EPCM)
Contracted firm manages design and construction separately
Moderate to high involvement
Slow to moderate
Quality Management in Construction Projects (Design-Build vs. Other Project Delivery Methods).
QA Library All (Integrated Project Delivery and Contracting Approaches).