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02-08-21-R
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02-08-21-R
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SRF Consulting Group City of Arden Hills | Mounds View High School Trail Improvements 1 <br />Over the last decade the City of Arden Hills has been steadily <br />expanding it’s trail system to better serve the residents of the <br />community with safe and efficient travel by bikes and pedes- <br />trians. This project to develop a trail connection to Mounds <br />View High School is the next step in the realization of the <br />City’s vision. <br />The preferred approach is to construct an 8-10 foot trail <br />along the south side of Lake Valentine Road and west side of <br />Snelling Avenue. The City’s concept plans show a trail gen- <br />erally at back of curb or with a small boulevard. While this <br />design appears pretty straight forward there are a number of <br />details that need to be resolved that can impact final design. <br />Some specific items include adjacent grades, driveways and <br />utilities and the need for stormwater management particu- <br />larly along the Snelling Avenue segment. <br />Based on initial brainstorming sessions on how the proj- <br />ect could be implemented, SRF staff have considered <br />several alternatives to the design that could reduce <br />the overall cost and right of way impacts with minimal <br />impacts to traffic operations. Design alternatives such as <br />conversion of Snelling Avenue to a 3-lane section could <br />reduce added impervious area, wetland impacts, and <br />the numbers of easements required by the project. <br />Through this project the City and SRF will define a process <br />for selecting a preferred trail alignment and then advance <br />the design process to move the project forward through final <br />design, including County coordination, easement, right-of- <br />entry, and/or right-of-way acquisition and watershed permit- <br />ting. Some of the key objectives of this project include: <br />• Preparing final plans to improve opportunities for future <br />grant requests. <br />• To obtain meaningful input from stakeholders living near <br />the project corridor through highly interactive and engag- <br />ing public involvement activities. <br />• A high-quality trail facility that provides safe access to <br />area schools, parks and recreational amenities for people <br />of all ages and abilities. <br />• To provide a trail facility that complements the area’s nat- <br />ural resources and incorporates sustainable and resilient <br />design. <br />SRF has visited the site and spoken with project stakeholders <br />to get a more complete understanding of the challenges of <br />this project. This will allow the SRF team to quickly iden- <br />tify impacts and get to a solid cost estimate early in the <br />process. We have outlined a few of the key challenges and <br />our approach to resolving them in the column to the right. <br />KEY CHALLENGES <br />PROJECT CHALLENGE – ROW, Terrain & Slope <br />Challenges <br />While the initial study has developed a preferred trail align- <br />ment, there continues to be some feasibility elements that need to be <br />addressed due to physical corridor conditions. We will look at the topog- <br />raphy, constructibility, traffic, safety, right of way, and other corridor con- <br />straints and their potential design solutions. We will utilize our 3D-design <br />tools to efficiently look at cross-section, horizontal and vertical alignment <br />options. Usually, there are constructibility, safety, cost, and/or traffic type <br />trade-offs that are balanced with these investigations. We believe that <br />there are benefits to making minor changes to the adjacent roadways to <br />minimize right of way needs and reduce impervious surfaces. <br />PROJECT CHALLENGE – Right of Way <br />Obstructions (Utilities, Parking, Driveways, etc) <br />When developing trails in road right of ways, one of the <br />biggest challenges is the potential for obstructions such as utilities, <br />driveways and landscape elements. SRF’s trail designers are adept at <br />identifying these challenges and assessing potential resolutions. <br />To resolve this challenge SRF will do comprehensive site reviews, in addi- <br />tion to the site surveys, to get a solid understanding of the context of <br />the obstructions and how the impact of the trail can be addressed in a <br />cost-effective manner. Steep driveways adjacent, and ADA accessibility of <br />the trail are a particular challenge with this project. Infraworks modeling <br />software can be used to rapidly vet alternatives and produce visualiza- <br />tions for public engagement and buy-in. Dependent on the situation, res- <br />olution of the obstruction could include trail adjustment, utility relocation, <br />access consolidation/relocation/closure and others. Years of experience <br />in trail design means there are few situations that SRF has not dealt with. <br />PROJECT CHALLENGE – Stakeholder Engagement <br />Through respectful conversations with residents, City staff <br />and stakeholder agencies we can better understand the <br />needs of the community and respond with creative, constructible solu- <br />tions that will help to ensure successes for the proposed trail. <br />SRF is prepared with a full spectrum of in-person and online engage- <br />ment tools to be tailored to this important project. We recommend <br />one community meeting (virtual or in-person) and one project survey <br />during design. We also recommend a social media campaign in addi- <br />tion to website content. Additional tools that could be included as val- <br />ue-added services include: <br />• Field walk <br />• Meeting Facilitation <br />• Focus Groups (students, resi- <br />dents, bike/ped advocate) <br />Project Understanding & Approach
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