CRC Street Sweep Eval 1999.pdf( 489.9 KB ) - Clearwater

COOPERATIVE RESEARCH CENTRE FOR CATCHMENT HYDROLOGY
Preface
Executive Summary
Acknowledgements
i
iii
iv
1 Introduction 1
2 Background 3
2.1 Street Sweeping Pollutant Removal Monitoring 3
2.2 Modelling Sweeper Pollutant Removal Efficiencies 3
2.3 Factors Influencing Street Sweeping Effectiveness 4
3 Methodology 5
4 Melbourne Street Sweeping Practices 7
4.1 Street Sweeping Operations 7
4.2 Target Pollutants 7
4.3 Contracts and Sweeping Frequency 7
4.4 Council Perspective of Effectiveness 9
5 Sweeping Mechanism 11
5.1 Types of Sweeping Mechanisms 11
5.2 Sweeper Effectiveness 11
6 Pollutant Types 13
6.1 Gross Pollutants 13
6.2 Sediment and other Suspended Solids 15
6.3 Contaminants Associated with Sediment 16
6.4 Australian Conditions 19
7 Sweeping Frequency and Timing 21
7.1 Sweeping Frequency and Rainfall Patterns 21
7.2 Inter-Event Dry Period 21
7.3 Street Sweeping Timing 24
iv