Brookvale Oval Investigation - Warringah Council - NSW Government

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TABLE OF CONTENTS Executive Summary 1. Introduction 2. Condition Assessment 2.1 Condition 2.2 Maintenance & Renovation 2.3 Oval Usage 2.4 Usage Capacity 3. Irrigation System Audit 4. Consultation with Council, Stakeholders & Local Sporting Bodies 5. Development Opportunities 5.1. Resurfacing Options 5.2. Maintenance 5.3. Alternate Oval Usage and Configuration 6. Recommendations Appendices 1. Plan of Brookvale Oval 2. Photographs 3. Council, Stakeholders & Local Sporting Bodies Consultation 4. Irrigation System Audit Brookvale Oval Investigation Final Report (February 2010) Page 1
Executive Summary Brookvale Park is a significant recreational facility which plays an important role in both the local and national sporting environment as well as providing much needed neighbourhood park areas. It is primarily used as the home ground for the Manly Sea Eagles in the National Rugby League (NRL) competition. The oval’s turf cover is predominantly kikuyu and there is very dense thatch over the whole field which is providing a very spongy surface. There is a variable depth of a very slow draining sandy loam topsoil ranging from 290mm – 460mm in depth over a clay loam sub-base. There is a slight diagonal slope across the field from NW to SE and there is no sub-surface drainage system so the only way for excess water to move away is via the very slow infiltration or across the surface. The excessive thatch layer and the very poor drainage capacity of the topsoil are the two factors affecting the condition of the existing field and its potential for increased use. If these two issues are not addressed then the condition of the playing surface will deteriorate; good presentation cannot be guaranteed and usage levels will be reduced. The current maintenance program satisfies the needs of a suburban sportsfield that has winter use and little summer use. The implementation of a thatch reduction program and on-going thatch management work is recommended. The daily watering schedule is contributing to the heavy thatch development and a change to twice weekly watering is also recommended. An irrigation audit identified various operating concerns with the irrigation system which is affecting its performance and has lead to inefficient water use. The potential number of hours of use for Brookvale Oval based on its current condition, construction and maintenance is estimated to be a maximum of 15 hours per week during both winter and summer. Due to the oval being used for the NRL there is a greater requirement on presentation (i.e. television appearance) and the provision of a high quality playing surface, it is recommended that the usage does not exceed 10 hours per week during the NRL season. The Manly Sea Eagles are the only tenanted club at Brookvale Oval and have a licence with Warringah Council which will end in October 2013. During the licence period which runs from the 1 st February to 31 st October the Sea Eagles have exclusive use of Brookvale Oval for each of their 12 home games including a 2 day bump in/out either side of game day (i.e. exclusive use for 5 days) as well as several training days at the start of the season. This limits the availability of the oval for other potential uses during the season. At the end of the NRL Season the oval needs to be out of play for up to 4 weeks for renovation of the playing surface to repair any damage sustained and rejuvenate the surface. There is some potential to run other events in between each of the twelve home games during the Sea Eagles licensing period. However there are scheduling issues due to the NRL’s rolling draw; and there is also no consistent day in the week when the oval is potentially free for regular casual bookings when bump in/out is taken into account. There are currently no organised sports scheduled for the oval during the off season which runs from early November (following renovation) to the end of January. The current situation, issues and future requirements of local sporting bodies and stakeholders including Manly Sea Eagles, Manly Rugby Club, Manly Warringah Pittwater Sporting Union, St Augustine’s College, Brookvale Public School and Parks Leisure Australia were ascertained through phone interviews. The main points raised were; • Participation has increased for all major sports especially juniors, women and older people. There is a shortage of sportsfields for all the major sports in the region including Rugby Union, Rugby League, Soccer, Baseball and Cricket. Brookvale Oval Investigation Final Report (February 2010) Page 2
Page 1: Brookvale Oval Investigation Warrin
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 and 42: 4.1.2. Readily Available Water (RAW
Page 43 and 44: 4.1.6. Sprinkler Heads Each sprinkl
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
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Brookvale Oval Investigation - Warringah Council - NSW Government

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