Strategic Stormwater Solutions
Total Page：16
File Type：pdf, Size：1020Kb
Strategic Stormwater Solutions for Transit-Oriented Development FINAL REPORT SAINT PAUL, MN DECEMBER 23, 2013 Strategic Stormwater Solutions for Transit-Oriented Development Final Report Project Manager Wes Saunders-Pearce, City of Saint Paul Consultant Team SRF Consulting Group, Inc. Wenck Associates, Inc. Craig David Kennedy & Graven Low Impact Development Center The work that provided the basis for this publication was supported by funding under an award with the U.S. Department of Housing and Urban Development. The substance and findings of the work are dedicated to the public. The author and publisher are solely responsible E NGINEERS PforLANNERS the accuracy of the statements and interpretations contained in this publication. Such DinterpretationsESIGNERS do not necessarily reflect the views of the Government. Consulting Group, Inc. ackNOWLEDGEMENts Stakeholder Advisory Committee Participants Anne Hunt, City of Saint Paul Mayor’s Office Donna Drummond, City of Lorrie Stromme, Mississippi Watershed Saint Paul PED - Planning Management Organization Anne Weber, City of Saint Paul Public Works - Sewer Utility Tom Beach, City of Saint Paul DSI - Zoning Dan Kalmon, Mississippi Watershed Management Organization Bruce Elder, City of Saint Paul Wes Saunders-Pearce, City of Public Works - Sewer Utility Saint Paul DSI - Zoning Tim Griffin, Saint Paul Riverfront Corporation Ellen Stewart, City of Saint Paul Parks - Design Haila Maze, City of Minneapolis CPED Josh Kinney, Saint Paul Riverfront Corporation Josh Williams, City of Saint Paul PED - Planning Lois Eberhart, City of Minneapolis Public Works Christine Baeumler, Public Art Saint Paul Anton Jerve, City of Saint Paul PED - Planning Cathy Abene, University of Minnesota Anna Eleria, Capitol Region Watershed District Additional Participants Jenna Fletcher, Trust for Public Land Shanai Matteson, Public Art Saint Paul Nora Riemenschneider, Metropolitan Council Kelly Moriarity, City of Minneapolis Public Works Kallen Hayes, Metropolitan Council Doug Snyder, Mississippi Watershed Management Organization Don Stein, City of Saint Paul Public Works- Right-of-Way Beth Pfeifer, The Cornerstone Group Mark Doneux, Capitol Region Watershed District STRATEGIC STORMWATER SOLUTIONS for Transit-Oriented Development Final Report Table of Contents Executive Summary I-IV Work Through the Details 21 Boeser Site 21 1. Introduction 1-6 Curfew Commons Park Site 28 Corridor Redevelopment Goals 1 3. SSGI Implementation 35-40 Saint Paul 2 Minneapolis 2 Draft Policy Resolution 35 Stormwater Management Along the Corridor 3 Perform Pilot Projects 35 Project Focus 4 Revise Regulatory Framework 35 Green Infrastructure 5 36 Shared 5 Institutionalize SSGI into Agency Processes 37 Stacked-Function 6 Implementation Tools Public Art Implementation 39 2. Project Approach 7-34 41 - 42 Set the Foundation 7 4. Findings & Conclusion Potential SSGI Implementation Barriers 7 Flexibility Supports Vision 41 Right-of-Way Considerations 7 Define a Process 41 Developers Focus Group 8 Development Scale is Important Governmental Authority Relating to Stormwater Infrastructure 8 41 Existing Stormwater Rules and Regulations 9 Potential for Financial Balance 41 Be Opportunistic Explore Opportunities 9 42 Key National Studies 9 Review of National and Local Precedents 9 Appendices Public Art Integration 13 See separate document, Appendices: Strategic Stormwater Solutions for Evaluate and Select Options 15 Transit-Oriented Development Potential Redevelopment Sites Identification 15 Potential SSGI Approaches 17 Application of SSGI at Different Development Scales 18 List of Figures List of Figures Figure 1.1 Corridor Map 1 Figure 2.9 Boeser Site Concept Drainage Area 22 Figure 3.1 Sample SSGI Assessment Tool 38 Figure 1.2 Saint Paul Corridor Planning Efforts 2 Figure 2.10 Representative Public Art Concepts 23 Template Figure 4.1 Possible SSGI Implementation 42 Figure 1.3 Green Infrastructure on the Green Line 3 Figure 2.11 Boeser Concept Plan: Canopy View 24 Approaches Figure 1.4 Definition of SSGI 5 Figure 2.12 Boeser Concept Plan: 25 Figure 1.5 SSGI Relation to Benefits 6 Ground Plane Detail Figure 1.6 Existing Stormwater Approach Figure 2.13 Boeser Concept: Illustrative Section 26 on LRT Green Line 8 Perspective- Overall Space Allocation Figure 2.14 Boeser Concept: Illustrative 27 Figure 2.1 Governmental Authority 15 Section Perspective- Stormwater Diagram Figure 2.2 Potential Redevelopment Figure 2.15 Curfew Commons: 28 Sites Minneapolis 16 Conceptual Drainage Area Figure 2.3 Potential Redevelopment Sites Figure 2.16 Representative Public Art Concepts Saint Paul (West Segment) 16 30 Figure 2.17 Curfew Commons Concept: Figure 2.4 Potential Redevelopment 31 Sites Saint Paul (East Segment) 18 Illustrative Plan- Canopy View 32 Figure 2.5 Development Scale Concept Sites 19 Figure 2.18 Curfew Commons Concept: Illustrative Plan- Ground Plane Detail Figure 2.6 Brownstone New Private 33 Open Space Concept 20 Figure 2.19 Curfew Commons Concept: Illustrative Section Figure 2.7 Bus Barn Street Right-of-Way Concept 22 Figure 2.20 Curfew Commons Concept: 34 Figure 2.8 Concept Sites Context Map Section Detail STRATEGIC STORMWATER SOLUTIONS for Transit-Oriented Development Final Report PagE INTENTIONALLY LEFT BLANK EXECUTIVE SUMMARY STRATEGIC STORMWATER SOLUTIONS for Transit-Oriented Development Final Report Strategic Stormwater Solutions » Project Focus for Transit-Oriented Development » SSGI Implementation Executive Summary » Findings & Conclusions Beginning in 2014 the Twin Cities’ new Light Rail redevelopment sites along the Green Line requiring Transit “Green Line” will operate along an 11-mile stormwater management placed stormwater below track connecting the downtowns of Saint Paul and ground. When this happens, an opportunity to use Minneapolis in Minnesota. The Green Line is expected stormwater to create a green, sustainable and vibrant to spur desired redevelopment along the corridor. community is lost. The redeveloped corridor is envisioned as a series of The study provides a stormwater management healthy and vibrant neighborhoods with ample parks framework for the implementation of SSGI – a and open spaces. Development will be implemented system in which stormwater runoff generated from using Transit-Oriented Development (TOD) guidelines multiple parcels is jointly treated in shared green and sustainable principles. infrastructure. The green infrastructure is located and designed to provide economic, environmental and Project Focus social (triple bottom line) benefits to the community Governmental agencies across the country are looking beyond treating stormwater, referred to as “stacked- Existing Stormwater Approach on the LRT Green Line for techniques to improve environmental health and function”. The study also investigated how public art community livability. Agencies are also looking for could highlight stormwater management and green more efficient approaches to delivering community infrastructure along the Green Line. A critical project with SSGI use and to refine implementation protocols, services. This Strategic Stormwater Solutions for Transit- premise was to develop strategic solutions that were it is recommended that the resolution request Oriented Development report outlines a concept for fair, equitable, and provided mutual benefit to all authorization for preparing a feasibility study(s) and for shared, stacked-function green infrastructure (SSGI) – parties involved; otherwise the solution would not be SSGI pilot implementation. a stormwater management approach that addresses successful or replicable. environmental health, community livability and cost Perform Pilot Projects efficiencies within current statutory standards. The SSGI Implementation Several pilot projects should be identified and performed for the purpose of testing and refining project investigated whether stormwater management While SSGI can be used to assist with quality delivery the SSGI implementation framework developed in along the Central Corridor could more robustly achieve of TOD, the establishment of effective policies and this study. Prior to performing the pilot projects, the community’s redevelopment vision for the corridor. implementation tools is critical to the successful engineering feasibility studies should be prepared When redevelopment occurs in established urban implementation of SSGI. Proposed implementation for strategic locations along the Green Line where communities, stormwater management facilities procedures include: implementation of SSGI would achieve the City’s compete with other site features for limited and redevelopment vision. If the pilot projects indicate valuable space. Market-driven features such as floor Draft Policy Resolution that SSGI provides public and private benefits, another area or parking space are premium uses; therefore An initial policy resolution should highlight SSGI policy resolution authorizing the use of SSGI could be stormwater facilities are being relegated underground benefits and how it can facilitate achieving the City’s brought forward for adoption. a vast majority of the time. Since 2011, 84 percent of adopted TOD goals. To increase policy makers’ comfort I Executive Summary Executive Summary Revise Regulatory Framework Current stormwater regulations differ across the cities and Watershed Management Organizations (WMO). If it is decided to move beyond pilot projects into a long- term implementation mode, existing stormwater rules and local ordinances will likely require modification.