Copyright 2004 AACE, Inc.
AACE International Recommended Practices
AACE International Recommended Practice No. 25R-03
ESTIMATING LOST LABOR PRODUCTIVITY IN
CONSTRUCTION CLAIMS
TCM Framework: 6.4 – Forensic Performance Assessment
Acknowledgments:
Donald F. McDonald, Jr., PE CCE (Author)
James G. Zack, Jr., (Author)
David Armstrong
Jack H. Bess
Robert A. Boyd
Bruce E. Bradley
Randy M. Brake
Joseph A. Brown, CCE
Timothy T. Calvey, PE
Donald J. Cass, CCE
R. Jay Colburn
Edward E. Douglas, III CCC
Donald J. Fredlund, Jr.
Fred W. Giffels
David W. Halligan
Peter Heroy
Lee J. Hobb
Kenji P. Hoshino
Dr. Kenneth K. Humphreys, PE CCE
Anthony G. Isaac
Richard M. Kutta, CCE
Dr. Richard E. Larew, PE CCE
Paul Levin
John D. Marshall, Jr.
Jeffery L. Ottesen, PE
Stephen O. Revay, CCC
Rick Richison
Wisley Saintelmy, PE
Mark C. Sanders, PE CCE
L. Lee Schumacher
Dr. Amarjit Singh, PE
Richard D. Smith, PE CCE
Theodore J. Trauner
Tony Tuinstra, P.Eng.
Anthony J. Werderitsch, PE CCE
William R. Zollinger, III, PE
Copyright 2004 AACE International, Inc.
AACE International Recommended Practices
AACE International Recommended Practice No. 25R-03
ESTIMATING LOST LABOR PRODUCTIVITY IN
CONSTRUCTION CLAIMS
TCM Framework: 6.4 – Forensic Performance Assessment
April 13, 2004
A. INTRODUCTION
One of the most contentious areas in construction claims is the calculation or estimation of lost
productivity. Unlike direct costs, lost productivity is often not tracked or cannot be discerned separately
and contemporaneously. As a result, both causation and entitlement concerning the recovery of lost
productivity are difficult to establish. Compounding this situation, there is no uniform agreement within the
construction industry as to a preferred methodology of calculating lost productivity. There are, in fact,
n