approximate quantities

T

opic 2

Introduction to Approximate Quantities
Topic No. 2
___________________________________________________________________________

INTRODUCTION TO APPROXIMATE QUANTITIES

CONTENTS
INTRODUCTION.............................................................................................................2

LEARNING OUTCOMES FROM THIS TOPIC..............................................................2

APPROXIMATE QUANTITIES.......................................................................................2
General details ..................................................................................................................2
Practical application .........................................................................................................3
Advantages of using approximate quantities.................................................................4
Disadvantages...................................................................................................................5
Sources of data..................................................................................................................5
Cost checks........................................................................................................................5
Example.............................................................................................................................6
Procedure ..........................................................................................................................6
Examples ...........................................................................................................................7

REFERENCE LIST FOR THIS TOPIC..............................................................................7

APPENDICES ...................................................................................................................8
Appendix 1 - Summary of NPWC elements