1。Introduction .............................................................................................................................................. 3 1.1 Project Locality ...................................................................................................................................... 3 1.2 Site Layout ............................................................................................................................................. 3 1.3 Catchment Plan .................................................................................................................................... 5 1.4 Existing Drainage Infrastructure .......................................................................................................... 5 2.Design Criteria ......................................................................................................................................... 6 2.1 Design Strategy..................................................................................................................................... 6 2.2 Design Criteria Order of Precedence .................................................................................................. 6 2.3 SWTC -BRE-PTAWA-PM-RPT-00007 .....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Conclusion ............................................................................................................................................. 19Hydrologic Input Data............................................................................................................................. 8 3.1 Rainfall ................................................................................................................................................... 8 3.1.1 Intensity Frequency Duration ...................................................................................................... 8 3.1.2 Pre-burst ....................................................................................................................................... 8 3.2 Losses .................................................................................................................................................... 9 4.雨水设计策略....................................................................................................................................................................................................................................................................................................... 10 4.1 DA5面积............................................................................................................................................................................................................................................................... Viaduct Drainage ........................................................................................................................ 10 4.2.2 WSUD and Landscape Design Integration .............................................................................. 11 4.2.3 Runoff Assessment .................................................................................................................... 12 4.2.4 Storage Requirements ……................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... .........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................