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| The following, comprehensive list is presented as a basis for discussion between regulatory authorities and design practitioners <ref>Ontario Provincial Standard Specification. (2014). Construction Specification and for Seed and Cover OPSS.PROV 804. Retrieved from http://www.raqsb.mto.gov.on.ca/techpubs/ops.nsf/0/3a785d2f480f9349852580820062910a/$FILE/OPSS.PROV 804 Nov2014.pdf</ref>. | | The following, comprehensive list is presented as a basis for discussion between regulatory authorities and design practitioners. |
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| ==Site Description== | | ==Site Description== |
| * Location (key plan, municipal address, nearest roads, watershed and subwatershed); | | * Location (key plan, municipal address, nearest roads, watershed and subwatershed); |
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| ==Background Information== | | ==Background Information== |
| * Pre-submission meeting verification; | | * Pre-submission meeting verification; |
| * Reports from pre-consultation with MOECC and other agencies (especially related LID credits); | | * Reports from pre-consultation with MOECP and other agencies (especially related LID credits); |
| * Watershed plans; | | * Watershed plans; |
| * Sub-Watershed plans; | | * Sub-Watershed plans; |
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| **100 year capture; | | **100 year capture; |
| **Site outlets; and | | **Site outlets; and |
| **SWM facility location and associated tributary areas; | | **LID facility location and associated tributary areas; |
| * Model schematics; | | * Model schematics; |
| * Storm drainage, grading and general servicing plans; | | * Storm drainage, [[grading]] and general servicing plans; |
| * SWM facility design drawings and details; | | * LID practice design [[drawings]] and details; |
| * Erosion and sediment control plans; | | * [https://sustainabletechnologies.ca/home/erosion-and-sediment-control/ Erosion and sediment control plans]; |
| | |
| | {| class="wikitable sortable" |
| | ! Parameter |
| | ! Plan |
| | ! Detail |
| | ! Profile |
| | ! Description |
| | |- |
| | | Location |
| | | x |
| | | |
| | | |
| | | Area extent shown on plan view (bump-outs, municipal reserves, private lots, parks) |
| | |- |
| | | Surface area |
| | | x |
| | | |
| | | |
| | | Outlined on plan view drawings and stated in report |
| | |- |
| | | Inlet |
| | | x |
| | | x |
| | | |
| | | shown on plan view and typical details provided ([[curb cuts]], [[level spreader|flow spreader]], ribbon curb) |
| | |- |
| | | Materials |
| | | |
| | | x |
| | | |
| | | Materials specs (soil, drainage layer), depth, hydraulic conductivity, porosity |
| | |- |
| | | Vegetation |
| | | x |
| | | x |
| | | |
| | | Planting plan and [[vegetation]] details (species, mature density, succession plan) |
| | |- |
| | | Outlet |
| | | x |
| | | x |
| | | x |
| | | [[Underdrain]] spec and slope, spill elevation, catch basin type and grate, [[weir]] type and location, [[inlet]] control device details |
| | |- |
| | | Catchment |
| | | x |
| | | |
| | | |
| | | Delineated catchment area directed to [[bioretention]] facility |
| | |- |
| | | Subsurface materials |
| | | |
| | | x |
| | | |
| | | Layer order (filter, [[reservoir aggregate|reservoir]], [[choker course]], [[geotextiles]] (if using)) and specifications (gradation, hydraulic conductivity, void space) |
| | |- |
| | | Depth |
| | | |
| | | x |
| | | x |
| | | Depth of each layer, reservoir retention depth (if applicable), surface ponding depth (if applicable) |
| | |- |
| | | Slope |
| | | |
| | | x |
| | | x |
| | | Sub-base slope and surface slope |
| | |- |
| | | Flow Arrows |
| | | |
| | | x |
| | | |
| | | From contributing area and overflow route |
| | |- |
| | | Water depth |
| | | |
| | | x |
| | | |
| | | Ponding depth and water surface elevation during design storm and maximum prior to [[overflow]] |
| | |- |
| | | Inundation |
| | | |
| | | x |
| | | |
| | | Extent of of inundation during design storms |
| | |- |
| | | Erosion control |
| | | x |
| | | x |
| | | |
| | | Located at inlet, outlet if overland spill |
| | |} |
|
| |
|
| ==Design Information== | | ==Design Information== |
| * Consistent hydrology modelling to be utilized for each development application and/or consistent with MESP/MSP/Studies. | | * 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. | | * 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. | | *Stage-Storage-Discharge calculations provided for each LID 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. | | *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; | | *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.); | | *Per [https://www.ontario.ca/document/stormwater-management-planning-and-design-manual-0 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; | | *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; | | *An operations and maintenance manual (includings a maintenance schedule) 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; | | *Complete information on proposed manufactured treatment devices is to be provided including current status under [[Pretreatment#Concentrated underground flow|ETV protocols]]; |
| *An operations and maintenance manual is to be provided that includes a maintenance schedule;
| |
| ===Quantity control=== | | ===Quantity control=== |
| *Runoff coefficient or imperviousness calculations; | | *Runoff coefficient or imperviousness calculations; |
| *Analysis using appropriate storm distributions; | | *Analysis using appropriate storm distributions; |
| *Pre-development peak flow (m<sup>3</sup>/s); | | *Pre-development peak flow (m³/s); |
| *Post-development uncontrolled peak flow (m<sup>3</sup>/s); | | *Post-development uncontrolled peak flow (m³/s); |
| *Post-development controlled peak flow (m<sup>3</sup>/s); | | *Post-development controlled peak flow (m³/s); |
| *LID Facility Type; | | *LID Facility Type; |
| *Stage – Storage – Discharge Table; | | *Stage – Storage – Discharge Table; |
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| *External drainage conveyance (100 year and Regional); | | *External drainage conveyance (100 year and Regional); |
| ===Quality control=== | | ===Quality control=== |
| *Level of Protection; | | *Level of protection; |
| *Drainage Area to Facility in hectares; | | *Drainage area to facility in hectares; |
| *Percentage Impervious – total and directly connected areas; | | *Percentage impervious – total and directly connected areas; |
| *SWM Facility Monitoring and Maintenance Requirements; | | *SWM facility monitoring and maintenance requirements; |
| | |
| ==Hazard land management== | | ==Hazard land management== |
| *Regional event and 1:100 year flood lines under existing and proposed conditions shown on appropriate plan drawings; | | *Regional event and 1:100 year flood lines under existing and proposed conditions shown on appropriate plan drawings; |