Izvorni znanstveni članak
https://doi.org/10.2478/otmcj-2020-0006
Demystifying progressive design build: implementation issues and lessons learned through case study analysis
Luming Shang
; Department of Construction Management, The University of Washington, Seattle, WA, USA
Giovanni C. Migliaccio
; Department of Construction Management, The University of Washington, Seattle, WA, USA
Sažetak
The design–build (DB) project delivery method
has been used for several decades in the US construction
market. DB contracts are usually awarded on the basis of
a multicriteria evaluation, with price as one of the most
salient criteria. To ensure the project’s success, an owner
usually has to invest enough time and effort during
scoping and early design to define a program, scope,
and budget, ready for procurement and price generation.
However, this process can become a burden for the owner
and may lengthen the project development duration.
As an alternative to the traditional DB, the progressive
design–build (PDB) approach permits the selection of
the DB team prior to defining the project program and/
or budget. PDB has the advantage of maintaining a single
point of accountability and allowing team selection based
mainly on qualifications, with a limited consideration
of price. Under PDB, the selected team works with the
project stakeholders during the early design stage, while
helping the owner balance scope and budget. However,
the key to the effectiveness of PDB is its provision for the
ongoing and complete involvement of the owner in the
early design phase. Due to the differences between PDB
and the other project delivery methods (e.g., traditional
DB), project teams must carefully consider several factors
to ensure its successful implementation. The research
team conducted a case study of the University of Washington’s pilot PDB project to complete the West Campus
Utility Plant (WCUP). This paper carefully explores and
summarizes the project’s entire delivery process (e.g.,
planning, solicitation, design, and construction), its
organizational structures, and the project performance
outcomes. The lessons learned from the WCUP project
will contribute to best practices for future PDB implementation.
Ključne riječi
progressive design build; project delivery method
Hrčak ID:
243169
URI
Datum izdavanja:
1.2.2020.
Posjeta: 1.140 *