Appendix J - Water Supply and Wastewater Servicing Report

Lutheran Services                                                                                                                                            iii
PF80 - Cooroy Care Farm
24 May 2018                                                                                                                            Ref. No. 2017.0616




CONTENTS
1        INTRODUCTION .............................................................................................................................. 1
1.1      Background ...................................................................................................................................... 1
1.2      Location ............................................................................................................................................ 1
1.3      Site Details ....................................................................................................................................... 2
1.4      Purpose ............................................................................................................................................ 3
1.5      Unitywater Advice ............................................................................................................................. 3

2        DEVELOPMENT DETAILS .............................................................................................................. 5
2.1      Proposed Facilities ........................................................................................................................... 5
2.2      Population Estimates ........................................................................................................................ 6
2.3      Other Site Uses ................................................................................................................................ 6

3        POTABLE WATER SUPPLY ........................................................................................................... 7
3.1      Proposed Potable Supply ................................................................................................................. 7
3.2      Potable Water Demands .................................................................................................................. 7
3.3      Regulation of Private Drinking Water Supplies ................................................................................ 7
3.4      Roofwater Water Balance ................................................................................................................ 8
3.5      Borewater Supply ........................................................................................................................... 10
3.6      Water Treatment............................................................................................................................. 10
3.7      Design Details ................................................................................................................................ 10

4        NON-POTABLE WATER SUPPLY ............................................................................................... 12
4.1      Proposed Non-Potable Supply ....................................................................................................... 12
4.2      Non-Potable Water Demands ........................................................................................................ 12
4.3      Supply Reliability ............................................................................................................................ 13
4.4      Non-Potable Water Treatment ....................................................................................................... 13
4.5      Design Details ................................................................................................................................ 13

5        WASTEWATER MANAGEMENT .................................................................................................. 14
5.1      Proposed Wastewater System ....................................................................................................... 14
5.2      Wastewater Flows .......................................................................................................................... 14
5.3      Regulatory Requirements ............................................................................................................... 14
5.4      Connection to Unitywater Rising Main ........................................................................................... 14
5.5      Design Details ................................................................................................................................ 15




FIGURES
Figure 1 Site Master Plan ........................................................................................................................... 1
Figure 2 Site Location ................................................................................................................................. 2
Figure 3 Site Details ................................................................................................................................... 2
Figure 4 Unitywater Services ...................................................................................................................... 4
Figure 5 Roofwater Balance Model Results ............................................................................................... 9