Brookvale Oval Investigation - Warringah Council - NSW Government

CONTENTS
1:OBJECTIVES........................................................................................... 4
2: EXECUTIVE SUMMARY ........................................................................ 5
A: System Performance .............................................................................. 5
B: Secondary Water Supply in Operation................................................... 5
C: Précis of Recommendations................................................................... 6
D: Resource Savings .................................................................................. 6
3:METHODOLIGIES ................................................................................... 7
4: IRRIGATION ......................................................................................... 12
4.1. Overview ............................................................................................ 12
4.1.1. Soil .................................................................................................. 12
4.1.2. Readily Available Water (RAW) ...................................................... 13
4.1.3. Infiltration Rate................................................................................ 13
4.1.4. Root Depth...................................................................................... 14
4.1.5. Turf.................................................................................................. 14
4.1.6. Sprinkler Heads............................................................................... 15
4.1.7 Operating Pressures ........................................................................ 16
4.1.8. Distribution Uniformity ..................................................................... 22
4.1.9. Scheduling Coefficient .................................................................... 25
4.1.10. Local Climate ................................................................................ 26
5: IRRIGATION SCHEDULING................................................................. 27
6: RECOMMENDATION FOR GROUNDS SYSTEM UPGRADE ............. 29
7: SYSTEM CONTROL............................................................................. 30
7.1: Recommendations for control system ................................................ 30
8: PUMPING UNIT.................................................................................... 30
9: PLAN FOR ACTION.............................................................................. 31
9.1 Limitations and opportunities .............................................................. 31
9.1.1 Limitations........................................................................................ 31
9.1.2 Opportunities.................................................................................... 31
10: OVERALL RECOMMENDATIONS ..................................................... 32
10.1.1: On Ground Works ......................................................................... 32
10.1. 2: Control System............................................................................. 32
10.1. 3: Management ................................................................................ 33
APPENDIX 1: Toro 640 sprinkler performance data. ................................ 34
APPENDIX 2: Toro 640 sprinkler SPACE performance data .................... 35
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