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HomeMy WebLinkAboutJan. 28 Community Planning meeting Powerpoint presentationCommunity Planning Event January 28, 2015 City of Iowa City •Department of Neighborhood and Development Services •Department of Parks and Recreation •Department of Public Works •6:00 –6:40 -Presentations •6:40 –8:00 -Public Open House Input Session •8:00 –Wrap-Up Study Area looking East June 2008 Wake-up Call Chance to rethink our relationship to the Iowa River and Ralston Creek Be more prepared for future flood events Opportunity to create a new “great place” to celebrate who we are as a community. Riverfront Crossings Planning since 2008 Flood 2008 Flood 2009 EPA funding to promote sustainable redevelopment in flood-damaged Iowa communities 2010 –Iowa City one of only 5 communities in the country to be selected by the EPA for their Brownfield Pilot Program through the federal Partnership for Sustainable Communities –adoption of 2011 sub-area plan for Riverfront Crossings 2013 –Adoption of the Downtown and Riverfront Crossings Master Plan Iowa River Restoration Project and Riverfront Crossings Park master planning effort Goals for Riverfront Crossings Encourage pedestrian-oriented, mixed-use redevelopment Create a resilient riverfront park system Enhance Ralston Creek to become a community asset Develop a multi-modal transportation network Promote sustainable design practices within the district Celebrate Iowa City as a center for art and culture Public Input for River Restoration Over-arching themes Promote better environmental stewardship of our urban waters; Improve public access to the Iowa River for boating, fishing and wildlife viewing; Provide new opportunities for passive and active recreation; Promote sustainable practices Acknowledgements U.S. Environmental Protection Agency Iowa Great Places Program (Iowa Dept. of Cultural Affairs) Iowa Department of Natural Resources –Dam Mitigation Program Iowa Flood Mitigation Program –provides funding to: Decommission flood-prone North Wastewater Treatment Plant Move those functions to our South Wastewater Treatment Facility “Give the land back to the Iowa River” by clearing the site Restore Ralston Creek and create wetland habitat Create new opportunities for public open space, recreation, increasing environmental awareness, and improving access to the river for boating, fishing, and wildlife viewing Project Overview 12 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Burlington Street Dam and Iowa River Improvements Study Dam Safety Fish Passage River Bank Restoration Photo of Burlington Street Bridge taken between 1915 and 1920 13 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Why a dam? 2 University steam pipes, 1 condensate line Water intake for University power/steam plant Water intake for University 14 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Dam Safety Problem 15 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Burlington Street Dam 16 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Option A -Whitewater Course 17 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Whitewater Course Location -Floodplain Fill downstream of dam impacts floodplain elevations 18 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Whitewater Course Location -Floodplain Upstream of the dam has less impacts to the floodplain. 19 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Upstream of Dam is More Promising 20 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Option B -Dam Safing 21 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Dam Safing 22 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Environmental Benefits Fish Passage Water Quality Habitat Connectivity Habitat Diversity 23 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Fish Passage Naturalistic Roughened Channel Provide Suitable Habitat Provide Minimum Depth Provide Reduced Velocity 24 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Burlington Street Dam Concept Existing View Looking East at UOI Power Plant 25 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Burlington Street Dam Concept View Looking East at UOI Power Plant with Proposed Improvements 26 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Burlington Street Dam Concept Existing View Looking West at UOI Hydraulics Lab 27 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Burlington Street Dam Concept View Looking West at UOI Hydraulics Lab with Proposed Improvements 28 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Project Overview 29 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community River Bank Restoration Benefits Bank stabilization Reduced erosion potential Improved water quality Improved aesthetics Existing View Looking West Between Benton Street and Hwy. 6 30 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community River Bank Restoration Typical Cross Section of Proposed Bank Restoration 31 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community River Bank Restoration Regional Trail Improvement Plans by Shive-Hattery, dated 1997 32 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community River Bank Restoration 33 Copyright © 2012 Merrick & Company -All rights reserved. Enhance the River for the Community Project Overview North Wastewater Treatment Plant Restoration Russ Dudley, PE, LEED AP EPA Green Infrastructure Program EPA Technical Assistance Projects 2014 14 communities $860,000 Organizations submit a letter of interest describing their need for green infrastructure support Creating green infrastructure conceptual designs Quantifying the benefits of green infrastructure Exploring options for green infrastructure outreach Existing Conditions Proposed Design Source: Iowa State University Forestry Extension STREAM STRUCTURES PROPOSED CHANNEL HIGH TERRACE 84" MAIN WETLAND AREA EXISTING CHANNEL IOWA RIVER Restoration of Ralston Creek Source: University of Iowa Source: USGS StreamStats STREAM STRUCTURES PROPOSED CHANNEL HIGH TERRACE 84" MAIN EXISTING CHANNEL Source: NRCSSource: EPASource: WSSC 1947 Historical Map of Iowa City Site Off-channel Wetlands Connection to groundwater table to provide consistent water source Nearly an acre of emergent wetlands Increases sediment and nutrient removal through physical, chemical, and biological processes STREAM STRUCTURES HIGH TERRACE WETLAND AREA Connection to the Park Source: RDG Exposure to multiple ecosystem types Public access to Ralston Creek and a variety of vantage points Green infrastructure opportunities throughout the park Pervious parking/sidewalks Rain gardens Conservation grading Urban agriculture Educational signage and research Source: HDR, Inc.Source: HDR, Inc. Connection to Surrounding Redevelopment Areas Source: UNH Source: IAN/UMCES RIVERFRONT CROSSINGS PARK JANUARY 28, 2015 0’ 25’ 50’ 100’ 200’ NORTH MASTER PLAN BOAT RAMP RESTROOM / TOOL STORAGE BUILDINGS COMMUNITY GARDEN PLOTS DOG PARK EAST RIVER TRAIL NATIVE PLANTINGS LAWN AREA ORNAMENTAL GARDEN PLANTINGS KIRKWOOD PROMENADE RIVER OVERLOOK ZIP LINE OVER RIVER (OPTION) BOULDERING COURSE ZIP LINE TOWER RIVER OVERLOOK OPEN LAWN AREA ZIP LINE TOWER RIVER OVERLOOK WETLAND BOARDWALK WETLAND / FLOOD PLAIN RESTORATION ORNAMENTAL GARDEN PLANTINGS RESTROOMS / SHELTER WRITER’S PLAZA (SEE CITY OF LITERATURE ELEMENTS) NATURAL PLAYSCAPE PARKING AREA CREEK EXPLORATION AREA E. BENTON STREET LAFAYETTE STREET KIRKWOOD AVENUE RALST O N C R E E K U.S. HI G H W A Y 6 I O W A R I V E R S. C L I N T O N S T R E E T S. D U B U Q U E S T R E E T S. C A P I T O L S T R E E T 6 6 1 1 I-380 I-80 I O W A C I T Y 218 SITE ORIENTATION MAP NOT TO SCALE RIVERFRONT CROSSINGS PARK JANUARY 28, 2015 ADVENTURE ELEMENTS KEY PLAN NOT TO SCALE NORTH NATURAL PLAYSCAPE BOULDERING COURSE ZIP LINE A B C C B A The character images to the right show examples of adventure elements planned for the Riverfront Crossings Park. The final appearance and style of these elements will be different from the images, and will be developed further in future park design phases. RIVERFRONT CROSSINGS PARK JANUARY 28, 2015 PARK ELEMENTS KEY PLAN NOT TO SCALE NORTH OPEN LAWN NATIVE PLANTINGS TRAIL OPTIONS RIVER OVERLOOKS ORNAMENTAL GARDEN PLANTINGS A B E D C A C B C D E E D D B The character images to the right show examples of park elements planned for the Riverfront Crossings Park. The final appearance and style of these elements will be different from the images, and will be developed further in future park design phases. RIVERFRONT CROSSINGS PARK JANUARY 28, 2015 PARK ELEMENTS KEY PLAN NOT TO SCALE NORTH PARK RESTROOMS & SHELTER DOG PARK WETLAND BOARDWALK CREEK / NATURE EXPLORATION COMMUNITY GARDEN F G J I H H I F G J The character images to the right show examples of park elements planned for the Riverfront Crossings Park. The final appearance and style of these elements will be different from the images, and will be developed further in future park design phases. RIVERFRONT CROSSINGS PARK JANUARY 28, 2015 CITY OF LITERATURE ELEMENTS KEY PLAN NOT TO SCALE NORTH A B C POETRY PORTALS AT CLINTON STREET DETAIL OF POETRY PORTAL WRITER’S PLAZA ELEMENTS A B C RIVERFRONT CROSSINGS PARK JANUARY 28, 2015 CITY OF LITERATURE ELEMENTS KEY PLAN NOT TO SCALE NORTH E D F SABIN SCHOOL ARCHWAYS CREEK STEPPING STONES RIVER WALK STONE MARKERS E D F