Attachment 8 - Interim Stormwater Management Plan - TOPO · 132005.638.06

R5304: NOOSA RESOURCE RECOVERY CENTRE - STORMWATER MANAGEMENT PLAN




TABLE OF CONTENTS
1    INTRODUCTION                                                                                           1
     1.1. OBJECTIVE & SCOPE                                                                                 1
     1.2. LEGAL REQUIREMENTS                                                                                2
     1.3. GUIDELINES, LICENCE & SUPPORTING INFORMATION                                                      2
     1.4. LICENCE CONDITIONS AND WATER QUALITY OBJECTIVES                                                   2
     1.5. HIGH & LOW EROSION HAZARD SITES                                                                   3
           1.5.1. LOW EROSION HAZARD SITES                                                                  3
           1.5.2. HIGH EROSION HAZARD SITES                                                                 3
     1.6. PRINCIPLES OF SURFACE WATER MANAGEMENT FOR THE SITE                                               4
           1.6.1. DRAINAGE CONTROL                                                                          4
           1.6.2. SEDIMENT CONTROL.                                                                         5
           1.6.3. EROSION CONTROL                                                                           5
2    SITE DESCRIPTION                                                                                       6
     2.1. LOCATION AND OPERATIONS                                                                           6
     2.2. CLIMATE                                                                                           6
     2.3. TOPOGRAPHY                                                                                        7
3    EXISTING STORMWATER MANAGEMENT                                                                         8
     3.1. PREVIOUS DESIGNS & UPGRADES                                                                       10
           3.1.1. SW5 HES BASIN                                                                             10
4    FUTURE WORKS                                                                                           11
     4.1. PROPOSED NORTHERN PRECINCT DEVELOPMENT                                                            11
           4.1.1. SW2 HES BASIN                                                                             12
           4.1.2. LOW EROSION RISK AREAS                                                                    12
5    SITE INSPECTION AND MONITORING                                                                         14
6    RECOMMENDATIONS                                                                                        15
7    REFERENCES                                                                                             16
APPENDIX A CATCHMENT & DRAINAGE PLAN                                                                        A
APPENDIX B SW5 DESIGN REPORT                                                                                B
APPENDIX C RRA (SW2) CONCEPT DESIGN REPORT – HES BASIN AND DRAINAGE                                         C
APPENDIX D IPWEAQ BIORETENTION SYSTEM STANDARD DRAWINGS                                                     D




TABLE OF FIGURES
FIGURE 1 - SITE LOCALITY PLAN (SOURCE: NEARMAP)                                                             1
FIGURE 2 – AERIAL PHOTOGRAPHY AND DISTURBED AREAS (SOURCE: NEARMAPS, IMAGE DATE 24-06-26)                   6
FIGURE 3 – AVERAGE MONTHLY RAINFALL FOR TEWANTIN                                                            7
FIGURE 4 – EXISTING CATCHMENT PLAN                                                                          8
FIGURE 5 – EXISTING DRAINAGE FEATURES                                                                       10
FIGURE 6 – SITE PLAN (SOURCE: COVEY PROJECT NO. 244035, SHEET NO. C1002)                                    12
FIGURE 7 – TYPICAL CONVENTIONAL BIORETENTION SYSTEM PROFILE (EXTRACT IPWEAQ DRAWING DS073)                  13
FIGURE 8 – TYPICAL UNCONSTRAINED SATURATED ZONE BIORETENTION SYSTEM PROFILE (EXTRACT FROM DRAWING DS070).   13


TABLE OF TABLES
TABLE 1 – SURFACE WATER RELEASE LIMITS                                                                      3
TABLE 2 – CATCHMENT DETAILS                                                                                 9




Environment. Engineering. Education.                                                                             PAGE ii