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Table 2 -1 Sizing methods and conformance with stormwater management standards for each tacillty tune Notes: Flow Control and Flood Control Credit are given when facilities are sized to accommodate design events per the simplified and presumptive methods. Stormwater Management Manual 2 -6 Eugene 2014 Facility Sizing Approaches Stormwater Management Standard Simplified Presumptive Water Flow Flood Quality Control Control Impervious Area Reduction Techni ues 2.3.3 Contained Planter X X 2.3.4 Eco roof X X 2.3.5 Permeable Pavement X X 2.3.6 Tree Credit X X Infiltration Treatment Facilities 2.3.8 Pond X X X X 2.3.9 Rain Garden X X X X X 2.3.10 Sand Filter X X X X X 2.3.11 Stormwater Planter X X X X X Filtration Treatment Facilities 2.3.7 Filter Strip X X X 2.3.8 Pond X X X X 2.3.9 Rain Garden X X X X X 2.3.10 Sand Filter X X X X X 2.3.11 Stormwater Planter X X X X X 2.3.12 Swale X X X X X Mechanical Treatment Facilities 2.3.13 Proprietary Treatment X X Devices Source Control Devices 2.3.14 Spill Control Manhole X X Detention Facilities 2.3.15 Structural -7 Detention Facilit X X Under round Injection Systems 2.3.16 Dr ell X X 2.3.17 Soakage Trench X X Notes: Flow Control and Flood Control Credit are given when facilities are sized to accommodate design events per the simplified and presumptive methods. Stormwater Management Manual 2 -6 Eugene 2014