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|Title: ||A computer-aided systematic approach to time delay analysis for extension of time claims on construction projects|
|Authors: ||Keane, Patrick J.|
|Keywords: ||Computer-aided design|
|Issue Date: ||1994|
|Publisher: ||© Patrick John Keane|
|Abstract: ||A review of existing literature and research findings indicated that whilst the
incidence of time extension claims is increasing, Contractors are failing to gather, analyse and present data as evidence to such an extent that there is a high rejection rate of claims made, and a consequent significant dissatisfaction rate amongst Contractors with awards being made.
The current difficulties experienced by Contractors in managing information on
site locations, combined with the low investment in, and usage of Information
Technology, forms a major contribution to the problems arising in the preparation
and presentation of time extension claims.
This research work identified from empirical evidence, together with construction
technical, professional and academic literature, the essential criteria and features of an efficient and effective time delay analysis approach for preparing time
extension claims in connection with construction projects. The evidence from these sources led to the formulation of an alternative approach based on an integrated
computer-aided systematic technique which relies upon analysis of project-specific
performance data. The current practice of time delay analysis as currently executed by Contractors was formulated as a problem whose solution is implemented by the use of the disciplined capture of factual job data, systematic analysis including a computer
modelled simulation exercise and logical compilation of results in report format.
This allows full cross-checking and source identification of data used in the
approach, and resultant computations.
The proposed approach employs an improved method of data capture, computer aided delay impact simulation and presentation of results. The proposed approach abbreviated to CoSTAR requires the use of spreadsheet database, word processing and project planning software, all of which are currently industry standard, readily
available and consequently do not require to be specifically written. The approach
is designed to work on industry standard computing "PC" hardware of a specification suitable to run a full range of business software. The proposed approach (CoSTAR) was tested and validated with performance data
from a multi million pound, major fast track building refurbishment project and
used Lotus 123 version 2.4, WordPerfect version 5.1, and Pertmaster Advance
software. The approach was also subject to separate validation by a panel of
experts. The testing process showed the approach to be feasible, and capable of
identifying and quantifying the critical delay activities which caused the time
overnin to the project's fixed contract period.|
|Description: ||A Doctoral Thesis. Submitted in partial fulfillment of the requirements for the award of Doctor of Philosophy of Loughborough University.|
|Appears in Collections:||PhD Theses (Civil and Building Engineering)|
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