Brookvale Oval Investigation - Warringah Council - NSW Government

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4.1.4. Root Depth The root depth is also very important in determining the scheduling. It is widely accepted that the deeper the roots, the more drought tolerant the turf will be. The soil acts as a storage reservoir for water and the deeper the roots, the more of reservoir the turf can utilise giving a more effective the natural water storage. As the plant will require the same amount of water no matter what the root depth, it is again an important process for determining how often the plant needs water. Plants with a shallower root zone will require shorter, more frequent applications of water as opposed to those with deep roots which require deeper watering and less frequency. Roots below the major root zone are mainly subsistence roots and only come into play during harsher conditions by which time the plant health and productivity is being adversely affected. Therefore irrigation applications below the major root zone depth are wasted and are largely out of reach of the plant. An occasional leaching deep application of water can be applied to remove accumulated salts to beyond the reach of the plant. This is only recommended when using high salinity irrigation water. 4.1.5. Turf The condition of the turf was variable with good coverage on most areas however some patchiness was evident which coincided with areas of very poor irrigation performance ● Irrigation Management Pty Ltd – ABN 92 116 740 160 ● ● Unit 9, 8 Millennium Court, Silverwater, <strong>NSW</strong> 2128 ● ● Phone: 02 9748 6178 ● Fax: 02 9748 6179 ● ● Web: www.irrigationmanagement.com.au Page 14
4.1.6. Sprinkler Heads Each sprinkler was individually inspected to establish its effectiveness in distributing water. In order to be efficient and operate within its designed parameters a sprinkler head • must be free from leaks • sit perpendicular with the ground • extrude high enough from the ground such that the flow of water is not interrupted by grass thatch. • The nozzle type was also recorded where possible for each sprinkler head as different size and coloured nozzles represent different operating conditions, flows and pressure. Hence the nozzle size or colour (which depicts the nozzle size on some sprinkler types) determines the wetted radius and wetting pattern of the surrounding area. If these are not coordinated with the other sprinkler heads there will be an uneven distribution of water throughout the system A sprinkler inventory for the irrigation systems was produced detailing the • make and model of the heads, • nozzle sizes • comment on condition • sprinkler condition • recommendations for any actions required to improve operating efficiency. See Table 1 ● Irrigation Management Pty Ltd – ABN 92 116 740 160 ● ● Unit 9, 8 Millennium Court, Silverwater, <strong>NSW</strong> 2128 ● ● Phone: 02 9748 6178 ● Fax: 02 9748 6179 ● ● Web: www.irrigationmanagement.com.au Page 15
Page 1 and 2: Brookvale Oval Investigation Warrin
Page 3 and 4: Executive Summary Brookvale Park is
Page 5 and 6: 1. Introduction Brookvale Park is a
Page 7 and 8: The presence of the thatch material
Page 9 and 10: The daily watering schedule may be
Page 11 and 12: 3. Irrigation System Audit An audit
Page 13 and 14: • Ideally the Sea Eagles would li
Page 15 and 16: The benefits and ramifications of e
Page 17 and 18: The following diagrams show potenti
Page 19 and 20: With the available time left after
Page 21 and 22: 6. Recommendations The following re
Page 23 and 24: Appendix 2: Photographs Overview of
Page 25 and 26: Appendix 3: Council, Stakeholders &
Page 27 and 28: Parks Leisure Australia • There i
Page 29 and 30: Brookvale Oval Audit Report Includi
Page 31 and 32: FIGURES Figure 1 Sprinkler layout .
Page 33 and 34: 2: EXECUTIVE SUMMARY Irrigation Man
Page 35 and 36: 3:METHODOLIGIES To assess the irrig
Page 37 and 38: Figure 2 Sprinkler spacing ● Irri
Page 39 and 40: Figure 4 Zone numbering (Hunter ICC
Page 41: 4.1.2. Readily Available Water (RAW
Page 45 and 46: Figure 5 Variation in Turf Coverage
Page 47 and 48: Table 1 Sprinkler Legend Zone / Spr
Page 49 and 50: Sprinkler not rotating 10.1 Toro 64
Page 51 and 52: Table 3 : Zone 6,7,10 Data Row Time
Page 53 and 54: Any misalignment should be adjusted
Page 55 and 56: 5: IRRIGATION SCHEDULING Irrigation
Page 57 and 58: 6: RECOMMENDATION FOR GROUNDS SYSTE
Page 59 and 60: 9: PLAN FOR ACTION 9.1 Limitations
Page 61 and 62: 10.1. 3: Management • Practice ir
Page 63 and 64: APPENDIX 2: Toro 640 sprinkler SPAC
Page 65 and 66: Zone / Sprinkler Sprinkler Make Mod

Brookvale Oval Investigation - Warringah Council - NSW Government

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