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NPCA Stormwater Manual – Appendices - Niagara Peninsula ...

NPCA Stormwater Manual – Appendices - Niagara Peninsula ...

Project:

Project: NPCA SWM Policies - 2 - TSH No. 54-22280 3. POLICY/LEGISLATIVE FRAMEWORK Action By -Add a section on the Drainage act – explain context, mention class authorization for drains -Include a matrix that lists existing information for municipality to perform their own needs assessment (i.e. who has a site alteration bylaw who doesn’t, etc.) 5. FRAMEWORK FOR MASTER DRAINAGE PLANNING -How to initiate these studies (purpose of study and how to fund) - Studies are typically driven by development and led by the municipality – highlight funding as a challenge and point to funding section of policy -Explain how the approach can make a difference in the size and cost of the facility 6. DEVLOPMENT TYPES, OPPORTUNITIES & CONSTRAINTS – DIFFERENCE OF APPROACHES - Introduce treatment train approach early in document - Provide overview of the different development types and SWM opportunities 7. SWM REQUIREMENTS/CRITERIA -Pre-post water balance, pre/part on erosion - quantity - Should we propose stringent criteria to encourage site specific studies? -Should we collect money rather than tell a 15-20 lot subdivision to do a study? Should we tell the developer they should manage all water quality and quantity on property and absorb that cost? or cash in lieu? - Funding source options – What do we do in the interim? - Where are you in the watershed and what makes sense? -Use typical MOE guidelines for TSS, erosion, groundwater, quantity and modify according to site (i.e.12 Mile creek and introducing temperature targets) -Should we word the policy such that municipalities prefer to do subwatershed planning? - Include heading and description of Source Protection -Some targets need to be addressed at the subwatershed level QA 081

Project: NPCA SWM Policies - 3 - TSH No. 54-22280 - Don’t just loot at pre=post look at hydrograph timing “water traffic management” -Create an outlet decision tree and what needs to be considered (i.e. outlet to lake, creek, sewer, etc) - Consider adopting an interim target given the option to take short answer or studied answer -Could generate a cost for going over the target -Provide a table that shows the various options available for SWM control and include performance or pollution removal efficiency Action By 8. SWM BMP’S - Add a section about selection tools for road drainage - Provide performance standards for the different BMP’s 13. APPROVALS - Include a table that describes “who does what” (i.e. roles and responsibilities) 14. CONSTRUCTION STAGING REQUIREMENTS/CHECKLIST -topsoil preservation -emphasize in the policy that grading should be phased to occur as needed and disturbed areas are to be seeded immediately QA 081

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