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Quantifying and Managing Disruption Claims - Hamish Lal

Quantifying and Managing Disruption Claims

Hardcover Published: 17th December 2002
ISBN: 9780727731654
Number Of Pages: 320

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Claims involving disruption are commonly accepted to be the most difficult to quantify. Disruptions that occur during a working day can lead to productivity loss which, in turn, can lead to time and cost overruns. If the disruption consumes the entire float in an activity, then disruption can cause a delay to project completion and lead to claims for extensions of time. Contractors of all tiers, concerned that they have lost money, troubled by the threat of liquidated damages or simply because the conditions of contract allow, submit claims for loss/expense and (in the worst case scenarios) extensions of time. The accurate quantification of the time and cost effects of such disruption is typically prevented because the role of labour/resource productivity is not fully recognised, site labour productivity is not correctly measured (if at all) and, finally, because the relationship between, in practice, the bill of quantities items (cost) and programme activities (time) is not direct or transparent. The solution proposed in this book integrates cost and time in order to develop a site labour productivity measurement system whereby claims involving disruption can be objectively and automatically quantified. It is a practical text that challenges the current construction industry cost and time estimating methods, demystifies the measurement of site labour/resource productivity and - in line with the Society of Construction Law Delay and Disruption Protocol launched in October 2002 - puts forward a rational and sufficiently accurate method of quantifying the effects of disruption in terms of both cost and time. Through the use of the solution on four very different demonstration construction projects, this book provides worked examples and tangible evidence of how the solution is designed to operate in practice. Disruption claims often impact on the whole of the construction industry and so this book has been specifically written for anyone who is involved in submitting, evaluating, awarding, managing and resolving disruption claims.

Acknowledgements
Preface
Introduction
Construction contract disruption claims
Cost and time modelling
Demonstration Stage 1: The development of cost and time models built around labour/resource productivity
Demonstration Stage 2: The development of a disruption and site labour productivity measurement scheme
Demonstration Stage 3: Measuring disruption and site labour productivity in practice
Demonstration Stage 4: Quantifying the effect of disruption on site labour productivity
Demonstration Stage 5: Managing disruption and improving site labour productivity
Demonstration Stage 6: Practical use of productivity measurements in quantifying disruption
Quantifying disruption: The legal issues
Demonstration Project 2: Work packages and operational charges
Demonstration Project 1: Work packages and operational charges
Typical BoQ sections
Daily ganger return forms
Demonstration Stage 3: Normality plots
Statistical methods
Over-determined least-squares solution
Index
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780727731654
ISBN-10: 0727731653
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 320
Published: 17th December 2002
Publisher: ICE Publishing
Country of Publication: GB
Dimensions (cm): 23.4 x 15.6  x 1.91
Weight (kg): 0.6