Schedule 'B' Project File Addendum
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Prepared By: County of Bruce & Town of Saugeen Shores Bruce County Road 33 Re-Alignment - Addendum: Stormwater Management Facility Schedule 'B' Environmental Assessment - Project File GMBP File: 217127 October 8, 2019 GUELPH | OWEN SOUND | LISTOWEL | KITCHENER | LONDON | HAMILTON | GTA 1260-2ND AVE. E., UNIT 1, OWEN SOUND ON N4K 2J3 P: 519-376-1805 WWW.GMBLUEPLAN.CA BRUCE COUNTY ROAD 33 RE-ALIGNMENT - ADDENDUM: STORMWATER MANAGEMENT FACILITY SCHEDULE 'B' ENVIRONMENTAL ASSESSMENT - PROJECT FILE GMBP FILE: 217127 OCTOBER 8, 2019 TABLE OF CONTENTS 1. INTRODUCTION ......................................................................................................................................................... 1 2. MUNICIPAL CLASS ENVIRONMENTAL ASSESSMENT PLANNING PROCESS .................................................. 2 3. BACKGROUND .......................................................................................................................................................... 4 3.1 Master Plan .......................................................................................................................................................... 4 3.2 Project Status ....................................................................................................................................................... 4 4. PROJECT STATEMENT ............................................................................................................................................. 5 5. OFFICIAL PLANS AND GOVERNANCE ................................................................................................................... 6 5.1 Planning Considerations and Zoning ................................................................................................................... 6 5.2 Road Jurisdiction .................................................................................................................................................. 6 5.3 Governance of Lands ........................................................................................................................................... 6 6. STORMWATER MANAGEMENT CONSIDERATIONS ............................................................................................. 7 6.1 Drainage Area: Base Conditions .......................................................................................................................... 7 6.2 Existing Conditions and Drainage ........................................................................................................................ 7 6.3 Post Development Conditions .............................................................................................................................. 8 7. ALTERNATIVE SOLUTIONS: STORMWATER MANAGEMENT ............................................................................. 8 7.1 Stormwater Management Design Criteria ............................................................................................................ 8 7.2 Stormwater Management Alternatives ................................................................................................................. 9 7.2.1 Alternative 1: Do Nothing ................................................................................................................................ 9 7.2.2 Alternative 2: Construct a SWM Facility to Manage Runoff Related Only to BR33 Re-Alignment ................. 9 7.2.3 Alternative 3: Construct a SWM Facility to Manage Runoff from BR33 & Future Development .................... 9 7.2.4 Alternative 4: Construct a New Storm Sewer System through Baker Subdivision to Lake Huron ................. 9 7.3 Summary and Comparison of Alternative Solutions........................................................................................... 10 8. BACKGROUND STUDIES ........................................................................................................................................ 10 9. INVENTORY OF ENVIRONMENTS ......................................................................................................................... 11 9.1 Cultural Environment .......................................................................................................................................... 11 9.1.1 Archaeological Study .................................................................................................................................... 11 9.1.2 Cultural Heritage Landscape Evaluation ...................................................................................................... 11 9.2 Social Environment ............................................................................................................................................ 11 9.2.1 Impacts to Private Property........................................................................................................................... 11 9.2.2 Baker Subdivision ......................................................................................................................................... 12 9.2.3 Governance .................................................................................................................................................. 13 9.3 Natural Environment ........................................................................................................................................... 13 9.3.1 Natural Heritage Environmental Impact Study.............................................................................................. 13 9.3.2 Saugeen Valley Conservation Authority ....................................................................................................... 13 9.3.3 Storm Water Quality Treatment .................................................................................................................... 14 9.3.4 Source Water Protection and Climate Change ............................................................................................. 15 i BRUCE COUNTY ROAD 33 RE-ALIGNMENT - ADDENDUM: STORMWATER MANAGEMENT FACILITY SCHEDULE 'B' ENVIRONMENTAL ASSESSMENT - PROJECT FILE GMBP FILE: 217127 OCTOBER 8, 2019 9.4 Technical Environment ....................................................................................................................................... 15 9.4.1 Geotechnical Investigation ............................................................................................................................ 15 9.4.2 Technical Considerations.............................................................................................................................. 15 9.4.3 Efficacy of System Design ............................................................................................................................ 16 9.5 Economic Environment ...................................................................................................................................... 17 10. ASSESSMENT OF ALTERNATIVES .................................................................................................................. 18 11. RECOMMENDED SOLUTION ............................................................................................................................. 20 12. CONSULTATION ................................................................................................................................................. 20 12.1 Notice of Project Change .............................................................................................................................. 20 12.2 Consultations ................................................................................................................................................ 21 12.2.1 Public Consultation ................................................................................................................................... 21 12.2.2 Agency Consultation ................................................................................................................................. 21 13. NEXT STEPS ........................................................................................................................................................ 22 FIGURES FIGURE 1: SITE LOCATION PLAN FIGURE 2: EA PROCESS CHART FIGURE 3: TRANSPORTATION PLANNING FIGURE 4: PRE-DEVELOPMENT DRAINAGE AREA FIGURE 5: POST DEVELOPMENT DRAINAGE AREAS TABLES TABLE 1: SUMMARY OF STORMWATER MANAGEMENT ALTERNATIVES TABLE 2: TECHNICAL REVIEW AND COMPARISON OF ALTERNATIVES TABLE 3: SUMMARY OF CONCEPTUAL CONSTRUCTION COSTS FOR EACH ALTERNATIVE TABLE 4: ASSESSMENT OF STORMWATER MANAGEMENT ALTERNATIVES ENCLOSURES ENCLOSURE A: BR33 RE-ALIGNMENT: RELEVANT CORRESPONDENCE ENCLOSURE B: ADDENDUM NOTICES AND CONSULTATION ENCLOSURE C: STORMWATER MANAGEMENT DESIGN BRIEF ENCLOSURE D: TRANSPORTATION PLANNING MAPS ii PEOPLE | ENGINEERING | ENVIRONMENTS SCHEDULE 'B' ENVIRONMENTAL ASSESSMENT - PROJECT FILE BRUCE COUNTY ROAD 33 RE-ALIGNMENT - ADDENDUM: STORMWATER MANAGEMENT FACILITY COUNTY OF BRUCE & TOWN OF SAUGEEN SHORES OCTOBER 8, 2019 GMBP FILE: 217127 1. INTRODUCTION In September 2015, the County of Bruce (County), as the proponent, with the Town of Saugeen Shores (Town), as a principle partner, initiated a Master Plan to plan various road and drainage undertakings within a broad area central to Saugeen Shores along Bruce Roads 25 and 33 (BR25 and BR33) in a comprehensive manner. The intention of the Master