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NPCA Stormwater Manual – Appendices - Niagara Peninsula ...

NPCA Stormwater Manual – Appendices - Niagara Peninsula ...

Project:

Project: NPCA SWM Policies - 4 - TSH No. 54-22280 Action By -should provide direction on SWM pond landscaping -variety of approaches (fencing vs. naturalization) -appropriate pond side slopes -NPCA can provide appropriate plant species that should be used when landscaping SWM facilities (i.e. Carolinian Species) -need to indicate that SWM facilities are typically intended for passive use – need to consider public safety in any use - landscaping (Public safety, operation of pond, environmental enhancement) - aesthetic guidelines will avoid the creation of SWM facilities that are large holes in the ground -but also need to address use of areas (can have conflict at source, conveyance and the use of area) - recognize expectations over fast drainage, standing water and West Nile Virus (WNv) - Stream maintenance, enhancement, realignment, etc. is controlled by a number of agencies (DFO, MNR, NPCA) - retrofit and discourage outletting pipe drains directly into creeks where possible (permits required by NPCA) Action -provide direction on SWM pond landscaping (i.e. sample aesthetic guidelines) -NPCA to provide species list of suitable vegetation around SWM facilities (Due to Niagara climate there is the opportunity to plant Carolinian Species, increased diversity) - indicate that ponds are typically for passive use and need to consider public safety - WNv considerations - Outlet considerations into natural channels TSH NPCA 8. Best Management Practices (BMP’s) -Refer to BMP’s in MOE guidelines -If developer wishes, municipality would consider an application that includes other measures -what economic incentives currently exist? -buffers -only incentive in rural area -nothing for urban -typically parkland streams have been given buffers - need to consider treatment train approach - proposed BMP’s will need to address: -will it work when built -does it meet local policies -can it be maintained properly (short and long term) -is it protected from landowner intervention - in terms of maintenance, Niagara takes on easement over rear yard CB’s -policies should consider BMP’s when doing SWM design - should encourage incorporating SWM controls into the fabric of the development -Source & conveyance control BMP’s lead to smaller facilities (i.e. roof leaders and road side ditches can reduce SWM pond sizes) QA 081

Project: NPCA SWM Policies - 5 - TSH No. 54-22280 Action By -Policy must be flexible enough for municipal guidelines that do not allow certain BMP’s -consider if design will work, be continually maintained and be permanent Action - policy to encourage and promote BMP in SWM planning 11. Maintenance and Retrofitting - sediment disposal is an issue -retrofit is a concern -any retrofit needs to be addressed as part of Master Drainage Plans (MDP) -MDP -to allow development -to update old plan -to deal with a drainage problem - discuss typical inspection procedures & frequency of inspection - develop SWM databases that are updated with inspection reports - Maintenance records are good from a legal perspective (i.e. flooding damage and current inspection forms for maintenance) -how often should the inspections be done? Action - provide sample SWM pond inspection forms & programs 12. Stormwater Funding -should we discuss -DC changes -Stormwater rates -discuss where money comes from -development changes act -outline what other areas are doing – what are the trends Action - provide overview of SWM funding sources and trends 13. Education -Is needed -not a policy -but to help the policies work better - programs such as the yellow fish road compliment SWM & pollution prevention - Important to educate public about SWM infrastructure Action - identify the importance of education and SWM management 14. Spill and Contingency -already being dealt with -Industrial/Commercial -spill prevention -OGS unit TSH TSH TSH TSH QA 081

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