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(2)
Delivery System
Labor Productivity
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Impact of Change’s Timing on Labor Productivity
Impact of Change’s Timing on Labor Productivity,10.1061/(ASCE)0733-9364(2005)131:11(1219),Journal of Construction Engineering and Management-asce,Will
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Impact of Change’s Timing on Labor Productivity
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Citations: 8
)
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William Ibbs
There are many types of construction change and each type can have an effect on labor productivity. To a certain extent though the specific type of change is not as important as the mere presence of the change and, as analyzed in this paper, the timing of that change. The research reported in this paper reaffirms that project change is disruptive and detrimental to labor productivity. Data from 162 construction projects were statistically analyzed and a series of three curves are presented in this paper, representing the impact that change has on the
labor productivity
for early, normal, and late timing situations. The projects are a representative sample of the industry, involving a wide range of sizes, different delivery systems, and industry sectors. Late change is more disruptive of project productivity than early change, all other things being equal. The implications and benefits of this research are clear: if changes are necessary, they should be recognized and incorporated as early as possible. Practitioners can use these data and curves for either forward pricing or retrospective pricing of changes. Other researchers can use these findings to test their own findings and to explore timing issues in further detail.
Journal:
Journal of Construction Engineering and Management-asce - J CONSTR ENG MANAGE-ASCE
, vol. 131, no. 11, 2005
DOI:
10.1061/(ASCE)0733-9364(2005)131:11(1219)
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Citation Context
(2)
...Disruptions resulting from an extraordinary number of changes and which cause a reduction in labor productivity, even to non-changed work, was first studied by Leonard[15], with significant contributions by Hanna [16-19], Ibbs [3,
20- 23
], Moselhi [24, 25] and Thomas[12, 26]...
Gerald H. Williams
.
Use of a production function to estimate the impact of work fragmentat...
...Ibbs (
2005
), again, shows how late change is more disruptive of project productivity than early change as also shown in Figure <0001" ref-type="fig">1...
Pertti Lahdenperä
.
Conceptualizing a two‐stage target‐cost arrangement for competitive co...
References
(10)
Impact of Change Orders on Labor Efficiency for Mechanical Construction
(
Citations: 34
)
Awad S. Hanna
,
Jeffrey S. Russell
,
E. V. Nordheim
,
M. J. Bruggink
Journal:
Journal of Construction Engineering and Management-asce - J CONSTR ENG MANAGE-ASCE
, vol. 125, no. 3, 1999
Quantitative Impacts of Project Change: Size Issues
(
Citations: 20
)
William C. Ibbs
Journal:
Journal of Construction Engineering and Management-asce - J CONSTR ENG MANAGE-ASCE
, vol. 123, no. 3, 1997
Fast-Tracking''s Impact on Project Change
(
Citations: 18
)
Stephanie A. Lee
,
Michael I. Li
Published in 1998.
Project Delivery Systems and Project Change: Quantitative Analysis
(
Citations: 15
)
C. William Ibbs
,
Young Hoon Kwak
,
Tzeyu Ng
,
A. Murat Odabasi
Journal:
Journal of Construction Engineering and Management-asce - J CONSTR ENG MANAGE-ASCE
, vol. 129, no. 4, 2003
Quantitative Effects of Construction Changes on Labor Productivity
(
Citations: 38
)
H. Randolph Thomas
,
Carmen L. Napolitan
Journal:
Journal of Construction Engineering and Management-asce - J CONSTR ENG MANAGE-ASCE
, vol. 121, no. 3, 1995
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Citations
(8)
Benchmarking Project Level Engineering Productivity
Pin-Chao Liao
,
Stephen R. Thomas
,
William J. OBrien
,
Jiukun Dai
,
Stephen P. Mulva
,
Inho Kim
Journal:
Journal of Civil Engineering and Management - J CIV ENG MANAG
, vol. 18, no. 2, pp. 235-244, 2012
Use of a production function to estimate the impact of work fragmentation on labor productivity
Gerald H. Williams
Published in 2011.
Model for Quantifying the Impact of Change Orders on Project Cost for U.S. Roadwork Construction
Engy Serag
,
Amr Oloufa
,
Linda Malone
,
Essam Radwan
Journal:
Journal of Construction Engineering and Management-asce - J CONSTR ENG MANAGE-ASCE
, vol. 136, no. 9, 2010
Conceptualizing a two‐stage target‐cost arrangement for competitive cooperation
Pertti Lahdenperä
Journal:
Construction Management and Economics
, vol. 28, no. 7, pp. 783-796, 2010
Quantified Impacts of Project Change
(
Citations: 7
)
William Ibbs
,
Long D. Nguyen
,
Seulkee Lee
Journal:
Journal of Professional Issues in Engineering Education and Practice - J PROF ISSUE ENG EDUC PRACT
, vol. 133, no. 1, 2007