Time-cost relationships in construction.

142 Pages·1991·3.3 MB·en_US

by  Baker, Robert D.

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TIME-COST RELATIONSHIPS IN CONSTRUCTION
BY
ROBERT D. BAKER
1
A REPORT PRESENTED TO THE GRADUATE COMMITTEE
OF THE DEPARTMENT OF CIVIL ENGINEERING IN
PARTIAL FULFILLMENT OF THE REQUIREMENTS
FOR THE DEGREE OF MASTER OF ENGINEERING
T252038
UNIVERSITY OF FLORIDA
Summer 1991
8/7/3
1
TABLE OF CONTENTS
Page
List of Figures iii
Chapter One - Introduction
1
Chapter Two - Schedule Compression Techniques 3
Ideas Applicable to All Phases of a Project 4
Engineering Phase 7
Contractual Approach 9
Schedu ing 13
1
Mater ial s Management 14
Construction Work Management 17
Field Labor Management 20
Startup Phase 22
Chapter Three - Time Versus Cost 24
Chapter Four - Schedule Compression Procedures 31
Activity Time-Cost Relationships 32
Herbsman Method 36
Ahuja Method 38
Antil 1/Woodhead Method 41
O'Brien Method 43
Moder/Phi ips Method 46
1 1
Harris Method 49
Radc iffe/Kawal /Stephenson Method 54
1
Willis Method 56
Chapter Five - Conclusion 61
References 63
Bibliography 64
1

LIST OF FIGURES
Figure Page
3-1. Total Indirect Cost 25
3-2. Job and General Overhead 25
3-3. Interest Costs 26
3-4. Interest Costs, Discontinuous Curve 26
3-5. Liquidated Damages or Penalty 27
3-6 Bonus 27
.
3-7. Direct Cost 28
3-8. Total Project Cost 28
4-1. Linear Relationship Between Time and Cost 34
4-2. Linear Relationship Associated with Different
Time Intervals 34
4-3. Discrete Function 35
4-4. Nonlinear Continuous Function 35
4-5. Compression Summary Table 37
4-6. Table of Project Data 44
4-7. Revised Activity Duration Table 44
4-8. Table of Possible Costs 45
4-9. Activity Selection and Tally Table 50
4-10. Tally of Critical Paths at End of Cycle 50
4-11. Compression Summary Table 51
4-12. Network Limit Determination Table 52
4-13. Util ity Data Table 54
4-14. Compression Summary Table 55
4-15. Tabulation of Section Crash Costs Before Cut 57
4-16. Tabulation of Compression Costs 57
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