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| * SWM facility design drawings and details; | | * SWM facility design drawings and details; |
| * Erosion and sediment control plans; | | * Erosion and sediment control plans; |
− | | + | ==Design Information== |
− | | + | * Consistent hydrology modelling to be utilized for each development application and/or consistent with MESP/MSP/Studies. |
| + | * Supporting information has been included for all modelling parameters and calculations. |
| + | *Stage-Storage-Discharge calculations provided for each SWM facility including design information on control and emergency overflow weirs. |
| + | *Flow and storage summary tables provided which reference the associated drainage area, catchment ID, outlet(s) and differentiate between controlled and uncontrolled areas. |
| + | *Identify and show seasonal high groundwater levels in report and on drawings; |
| + | *Per MOECC SWM manual, 2003 (i.e. Drainage area, required volume, slopes, forebay, etc.); |
| + | *The SWM report and drawings are to include a table summarizing required storage, provided storage and associated elevation and flow for the permanent pool, 25mm (extended detention), and 2 through 100 year return period storm events where applicable for each facility; |
| + | *An operations and maintenance manual should be included in the SWM Report for all LID facilities in accordance with municipal requirements; |
| + | *Complete information on proposed manufactured treatment devices is to be provided including current status under ETV protocols; |
| + | *An operations and maintenance manual is to be provided that includes a maintenance schedule; |
| + | ===Quantity Control Section=== |
| + | *Runoff coefficient or imperviousness calculations; |
| + | *Analysis using appropriate storm distributions; |
| + | *Pre-development peak flow (m<sup>3</sup>/s); |
| + | *Post-development uncontrolled peak flow (m<sup>3</sup>/s); |
| + | *Post-development controlled peak flow (m<sup>3</sup>/s); |
| + | *LID Facility Type; |
| + | *Stage – Storage – Discharge Table; |
| + | *Outlet design and calculations; |
| + | *Total storage required (m<sup>3</sup>); |
| + | *Total storage provided (m<sup>3</sup>); |
| + | *Table comparing provided versus required; |
| + | *Overland flow conveyance and design; |
| + | *External drainage conveyance (100 year and Regional); |
| + | 2.2. Quality Control Section |
| + | • Level of Protection. |
| + | • Drainage Area to Facility in hectares. |
| + | • Percentage Impervious – total and directly connected areas. |
| + | • SWM Facility Monitoring and Maintenance Requirements. |
| + | 3. Hazard Land Management |
| + | • Regional event and 1:100 year flood lines under existing and proposed conditions shown on appropriate plan drawings. |
| + | • Valley top of bank, stream erosion, steep slope allowances and meanderbelt assessed (confined stream systems only). |
| + | • Wetlands and required setbacks determined and identified on plans. |
| + | • Meanderbelt assessment and/or setback determined and identified on plans. |
| + | • Wave uprush and/or wind setup elevations calculated (Lake Simcoe Shoreline). |
| + | • “Limit of development” shown on plans. |
| + | • Survey and floodplain mapping submitted (As per minimum requirement in Appendix K). |
| + | • Hydraulic modelling and analysis including digital files (As per minimum requirements identified in Appendices C, I and K). |
| + | 4. Other |
| + | Upon approval of the SWM design, a digital copy of the stormwater drainage plan is to be submitted including the location and size of the SWM facility in GIS format. |
| + | ---- |
| ===Floodplain mapping and documentation minimum requirements=== | | ===Floodplain mapping and documentation minimum requirements=== |
| # Hydraulic sections with regulated floodplain elevations and cross-section identification; | | # Hydraulic sections with regulated floodplain elevations and cross-section identification; |