TY - GEN
T1 - The role of lean practices for zero net energy retrofits
AU - Ladhad, Akash
AU - Parrish, Kristen
PY - 2013
Y1 - 2013
N2 - Many in the construction industry view lean practices as a means for reducing cost and schedule while maintaining or improving quality. We argue lean practices can also be used to promote energy savings throughout a building's lifecycle. This paper presents a case study of an existing building retrofit in Phoenix, Arizona. The project owner, a general contractor, self-performed much of the building construction and worked to ensure the project team aligned around the project's zero net energy goal. All building systems, excepting the walls and roof, were re-designed and reconstructed. After retrofit, the building has achieved net-zero energy consumption; that is, the building produces as much energy as it consumes on an annual basis. In this paper, we discuss the role of lean principles and construction practices in making this zero-net-energy retrofit project successful. Specifically, we discuss the effect of shared understanding, work breakdown structure, and early integration of the design and construction teams on energy performance. We highlight the role of these practices in design and construction activities. This case study illustrates the effectiveness of lean practices for achieving energy performance goals and proves feasibility of new work structures on retrofit projects. Based on this case study, we make recommendations for application of lean practices on future zero-net-energy retrofit projects.
AB - Many in the construction industry view lean practices as a means for reducing cost and schedule while maintaining or improving quality. We argue lean practices can also be used to promote energy savings throughout a building's lifecycle. This paper presents a case study of an existing building retrofit in Phoenix, Arizona. The project owner, a general contractor, self-performed much of the building construction and worked to ensure the project team aligned around the project's zero net energy goal. All building systems, excepting the walls and roof, were re-designed and reconstructed. After retrofit, the building has achieved net-zero energy consumption; that is, the building produces as much energy as it consumes on an annual basis. In this paper, we discuss the role of lean principles and construction practices in making this zero-net-energy retrofit project successful. Specifically, we discuss the effect of shared understanding, work breakdown structure, and early integration of the design and construction teams on energy performance. We highlight the role of these practices in design and construction activities. This case study illustrates the effectiveness of lean practices for achieving energy performance goals and proves feasibility of new work structures on retrofit projects. Based on this case study, we make recommendations for application of lean practices on future zero-net-energy retrofit projects.
KW - Collaboration
KW - Deep energy savings
KW - Integration
KW - Lean construction
KW - Process
KW - Retrofitting
KW - Work structure
UR - http://www.scopus.com/inward/record.url?scp=84903292578&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84903292578&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84903292578
SN - 9781632660183
T3 - 21st Annual Conference of the International Group for Lean Construction 2013, IGLC 2013
SP - 855
EP - 864
BT - 21st Annual Conference of the International Group for Lean Construction 2013, IGLC 2013
PB - The International Group for Lean Construction
T2 - 21st Annual Conference of the International Group for Lean Construction 2013, IGLC 2013
Y2 - 29 July 2013 through 2 August 2013
ER -