Updated SWMP

     3.3.      Treatment Measures .......................................................................... 32
              3.3.1.        Bioretention System ......................................................................... 32
              3.3.2.        Sediment Forebays .......................................................................... 33
     3.4.      Results .................................................................................................. 33

4.   CONSTRUCTION PHASE MANAGEMENT ...................................... 35
     4.1.      Erosion and Sediment Control .......................................................... 35

5.   ESTABLISHMENT AND OPERATIONAL PHASE
     MANAGEMENT ............................................................................... 36
     5.1.      Establishment ...................................................................................... 36
     5.2.      Operational .......................................................................................... 36

6.   CONCLUSION .................................................................................. 37

7.   REFERENCES.................................................................................... 38




List of Tables
     Table 1-1: Reformatted MUSIC results ........................................................ 14
     Table 2-7: Pavilion St Road capacity calculation using Manning’s’
     equation .......................................................................................................... 17
     Table 2-1: Summary of Existing Catchment Parameters .......................... 19
     Table 2-2: Existing Catchment Peak Flows .................................................. 19
     Table 2-3: Comparison of WBNM and Rational Method Peak Flows –
     SUB3 ................................................................................................................ 21
     Table 2-4: External catchment overland flow (entering site) and pipe
     flow (diverted around site via Pavilion St)................................................... 22
     Table 2-5: Summary of Developed Catchment Parameters ..................... 22
     Table 2-6: Comparison of Peak Flows At Site Outlet (Existing Vs.
     Developed)...................................................................................................... 22
     Table 2-7: Summary of Basin Structure Details ......................................... 23
     Table 2-8: Comparison of Peak Flows (Existing Vs. Mitigated) ................. 24
     Table 2-9: Comparison of 1% AEP event across all durations (Existing
     Vs. Mitigated) .................................................................................................. 24
     Table 2-10: Existing and Proposed Peak discharge at the Site
     Boundary. ....................................................................................................... 26
     Table 2-11: 1% AEP Flood Storage Comparison. ........................................ 26
     Table 2-12: Lot Levels Compared to Adjacent 1% AEP Peak Flood
     Levels............................................................................................................... 27
     Table 3-1: Site Stormwater Quality Objectives (Operational Phase) ....... 29
     Table 3-2: Urban land use (Split Source Nodes) - Pollutant Export
     Parameters ..................................................................................................... 30
     Table 3-3: MUSIC Runoff Generation Parameters ..................................... 30




23-0167SMP01-V3 | Stormwater Management Plan | 33 Pavilion Street, Pomona