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KEN MITCHELL OPEN SPACE MASTER PLAN City of Brighton, Colorado Norris Design 1101 Bannock Street Denver, CO 80204 December 2014 ---PAGE BREAK--- ACKNOWLEDGEMENTS Special acknowledgements go to all who gave generously of their time and dedication to aid in the development of the Ken Mitchell Open Space Master Plan. Gratitude is extended to the citizens and business people who participated in the community meetings, public hearing and other special meetings. Successful completion of this Master Plan was made possible by the cooperation and assistance of many individuals, including members of the City Council, Park and Recreation Advisory Boards and City Staff personnel. We sincerely appreciate the cooperation and assistance provided by these individuals. This Master Plan was commissioned to the planning and landscape architecture ﬁ rm of Norris Design by the City of Brighton. Sub-consultants Bowman Vision Land Consulting assisted Norris Design with project planning and site research development. TECHNICAL ADVISORY COMMITTEE City of Brighton Parks and Community Resources Team Gary Wardle, Director of Parks and Recreation Mark Heidt, Assistant Director Parks and Recreation Robert Crabb, Parks Manager Matt Forbis, GIS Specialist Sarah Borgers, Engineering & Administration I Water Resources Urban Drainage and Flood Control District David Bennetts, P.E., Manager, Design, Construction and Maintenance Program Steve Materkowski, Senior Construction Manager BRIGHTON PARK AND RECREATION ADVISORY BOARD John Kasza, Secretary, At Large Russell Bowers, Commissioner, Ward 4 Henry Ross, Commissioner, Ward 1 Dora Aguirre, Commissioner, At Large Mark Carlson, Chairperson, At Large Tolison, Vice-Chair, Ward 3 Hugh Frazier, Commissioner, Ward 2 Leica Castellaw, Commissioner (Alternate), At-Large Ruth Erickson, Commissioner (Alternate), Ward 3 Adam Kniss, Agricultural Land Preservation Representative David Swanson, Agricultural Land Preservation Ken Kreutzer, City Council Representative Mark Humbert, City Council Representative Flora Aguirre-Diaz, School Board Representative Brandy Chaparro, Youth Representative BRIGHTON CITY COUNCIL CONSULTANT TEAM Dick McLean, Mayor Kirby Wallin, Mayor Pro Tem / Ward 1 Joan Kriss, Ward 1 Rex Bell, Ward 2 A. Martinez, Ward 2 Lynn Baca, Ward 3 Ken Kreutzer, Ward 3 J.W. Edwards, Ward 4 Mark Humbert, Ward 4 Norris Design 1101 Bannock Street Denver, CO 80204 [PHONE REDACTED] John Birkey, Principal Jordan Dame, Principal Aaron Hayne, Senior Associate Sarah Doyle, Project Manager Dylan Dettmann, Project Manager Shelby Lueckenotto, Graphic Designer Bowman Consulting Group, Ltd. 603 Park Point Drive, Suite 100 Golden, Colorado 80401 [PHONE REDACTED] Eryn Lussier, LEED AP, Senior Project Manager, Bowman Consulting Clif Dayton, P.E., Branch Manager, Bowman Consulting ---PAGE BREAK--- SITE INVENTORY 14 Target Natural Resources Area Descriptions Environmental Assessment Vegetation & Wildlife Varieties Existing Photographs PLANNING PROGRAM & PUBLIC PROCESS 28 Plan Updates Public Communication Strategy Public Open Voting Activity Board Results Private Written Community Survey Results MASTER SITE DEVELOPMENT PLAN 38 Final Master Plan Programming Items Overall Site Master Plan Ken Mitchell Open Space Master Plan Passive Uses Ken Mitchell Open Space Master Plan Active Uses IMPLEMENTATION 46 Phases of Installation Preliminary Opinion of Costs Potential Funding Sources & Partnerships Operations, Maintenance, & Monitoring APPENDIX 54 Estimate of Probable Costs 1 2 3 5 6 4 CONTENTS 6 Project Summary City of Brighton Background and Capabilities Project Intent I Purpose Planning Process Purpose and Role of Ken Mitchell Open Space ---PAGE BREAK--- MAPS, TABLES, & GRAPHICS Map 1: Existing Areas Plan 7 Map 2: Vicinity Map 15 Map 3: Existing Areas Plan 19 Map 4: Overall Site Master Plan 39 Map 5: Active Area Enlargement 40 Table 1: Area 17 Table 2: Vegetation & Wildlife Varieties 21- 22 Graphic 1: Existing Photographs 23-27 Graphic 2: Public Open Voting Activity Boards 31-33 Graphic 3: Private Written Community Survey 34-37 Graphic 4: Before & After Active Area Uses 41 TABLE OF MAPS LIST OF TABLES & GRAPHICS Photos Courtesy of: Eryn Lussier, Bowman Consulting John Birkey, Norris Design Gary Wardle, City of Brighton ---PAGE BREAK--- 5 ---PAGE BREAK--- PROJECT SUMMARY Project Proponent: City of Brighton Point of Contact: Name: Gary Wardle, Parks and Recreation Director Address: City of Brighton Parks and Recreation Department 500 South 4th Avenue Brighton, CO 80601 Phone: (303)655-2135 Email: [EMAIL REDACTED] Estimated Project Costs: $26,000,000 Ken Mitchell Open Space (KMOS) Project Area: 671.9 Acres Reference Map 1, Section 1, and Table 1, Section 2. Master Plan Purpose: The purpose of the new master plan is to update the existing master plan and provide a strong vision for short and long term improvements in the Ken Mitchell Open Space Area. These improvements will include both active and passive park uses while creating, restoring and pro- tecting wildlife habitat. Site Overview: The Ken Mitchell Open Space (KMOS) site is located on the western edge of the City of Brighton in Adams County. The project land is bound by State Highway 7 160th Avenue) to the north, residential, parks, and commercial development to the east, E-470 toll road to the south and the South Platte River to the west. The site is located 6.04 miles north from the Rocky Mountain Arsenal National Wildlife Refuge and ±8.5 miles away from Barr Lake. The publicly owned land is comprised of three gravel mined lakes, old cottonwood trees, environmentally sensitive ﬂ ood plains, minimal vegetation, and other biological resources. The lakes contain steep, unstable bank edges due to gravel mining and soil disturbance. Eight restoration focus areas have been identiﬁ ed within the habitat area: bank restoration, soil stabilization and removal of unusable mined soils, ﬁ sh and aquatic wildlife, bird migration and ﬂ yover areas, the creation and protection of wetlands and riparian planting and invasive species removal. Restoring the wildlife habitat corridors, lakes, and open space will signiﬁ cantly beneﬁ t the Ken Mitchell Open Space, the South Platte River ecosystem, wildlife habitat, and regional corridors including the Rocky Mountain Arsenal connectivity, Northeast Greenway Corridor (a regional, integrated greenway and open space network), and the Colorado Front Range Trail (CFRT). Reference Map 1, Section 1 and Table 1, Section 2. 6 INTRODUCTION 1 Introduction ---PAGE BREAK--- 7 Introduction MAP 1: EXISTING AREAS PLAN ---PAGE BREAK--- 8 Introduction CITY OF BRIGHTON BACKGROUND AND CAPABILITIES HISTORY OF THE CITY OF BRIGHTON The City of Brighton was established with the growth and movement of the railroad and fur trade expanding into the West in the 1860’s. Hughes Station or Hughes Junction, located in Brighton, was the only depot between Evans and Denver, Colorado. The depot and fur traders route were responsible for the origin of Brighton and the town growth. Daniel F. Carmichael ﬁ led the ﬁ rst plat for the town of Brighton on February 16, 1881. The City of Brighton was named after Carmiachel’s wife Alice’s home town of Brighton Beach, New York. The City of Brighton was ofﬁ cially incorporated on July 26, 1887. Adams County formed in 1902 from a part of Arapahoe County with Brighton as the temporary county seat. The town manufactured major agricultural products, such as dairy and sugar beets, bricks, canning factory, and a sugar reﬁ nery. With the closing of Stapleton Airport and the opening of the Denver International Airport, the City of Brighton remains one of the fastest growing cities with approximately 35,719 residence, as of the 2013 census. CITY OF BRIGHTON PARKS AND RECREATION DEPARTMENT MISSION STATEMENT Brighton is a rapidly growing community and the need for open space, parks, and trails has increased exponentially. The mission continues to uphold the main goals and scope of work for the Ken Mitchell Open Space Area. The City’s Parks and Recreation Department’s mission is the following: “Our mission is to improve the quality of life for this diverse community by developing and maintaining parks, open space, trails, and public facilities, while providing quality recreation for all ages to enjoy Introduction City of Brighton Logo Aerial Photograph of Ken Mitchell Open Space from State Hwy. 7 looking South. ---PAGE BREAK--- 9 Introduction KEN MITCHELL OPEN SPACE HISTORY In 1988, the City of Brighton purchased a majority of Ken Mitchell Open Space consisting of three gravel mining cells and an operator’s quarry yard from the local company, Ready Mix Concrete. The agreement with Ready Mix Concrete includes excavating the hundreds of acres of gravel for their mining purposes to then be turned over for water augmentation storage and open space. Upon completion, Ready Mix Concrete will remediate the gravel mining pits and turn over the land to the city. After years of planning and cooperation between Ready Mix Concrete and the City of Brighton, the pieces of land will be reclaimed and converted to 4,000 acre feet of water augmentation storage and public open space, which will include an active and passive park and trail system upon completion. CITY OF BRIGHTON PRIOR EXPERIENCE WITH PROJECTS OF SIMILAR SCOPE AND COMPLEXITY The City’s Parks and Recreation Department has managed and developed over 960 acres of municipal parkland and natural resources. The City of Brighton will ensure that all appropriate Local, State, and/or Federal permits and associated approvals will be obtained prior to the commencement of the restoration activities. A wetlands permit will be obtained from the U.S. Army Corps of Engineers and/or State prior to any work conducted in jurisdictional waters of the U.S. A Floodplain Use Permit will obtained for any infrastructure built within the FEMA-designated ﬂ oodplain. Site Plans submitted to the reviewing agencies will be prepared, certiﬁ ed, signed and sealed by a Professional Engineer. As-built plans, if required, will be prepared in accordance with the applicable regulations and meet all of the requirements of the approving jurisdiction. Landscape plans prepared for the project will be prepared by a Licensed Professional Landscape Architect. As necessary and as warranted, survey work conducted for the project will be reviewed by a licensed surveyor. PROJECT INTENT I PURPOSE A master plan is a written report and plan that sets forth the framework for future improvements in Ken Mitchell Open Space (KMOS). A vision has been created for the master plan that speaks to the desires of the City of Brighton and surrounding community. The vision is further embellished by goals that identify the major components that are desired in the master plan. These goals are deﬁ ned by the technical advisory committee, Park and Recreation Advisory Board, City Council ,and community input. Once goals and a vision are developed, the master plan sets forth the aesthetic scheme suggested for use during the design phase to organize implementation and construction. This plan will provide a framework for fund raising and future construction. The purpose of the KMOS Master Plan is to update the existing KMOS Master Plan done by the Shalkey & Team in October of 2006. The updates will include newly acquired parcels, future acquisitions, and updates to the mining and water storage improvements. This master plan comprises of short and long term road maps for developing strategies to restore, protect and create wildlife, bird and ﬁ sh habitat, regional trails, wildlife corridors, and active and passive use recreation areas. Introduction Hughes Station, Brighton, Colorado (Denver Public Library Western History Collection) ---PAGE BREAK--- 10 Introduction The master plan is intended as a tool for the City of Brighton, Adams County, and residents to help seek funding contributions, improve the quality of life for residents, and ensure that important natural resources are protected. It also purposes strategies and tactics to enhance valued attributes that have drawn people in the past. By preserving a careful balance between resource conservation and recreational opportunities, the KMOS Area will be a precious resource into the future. PLANNING PROCESS The master plan process involved many groups including City of Brighton staff, the Park and Recreation Advisory Board, City Council, community members, and the consultant team. The consultant team guided the process and helped develop a vision, goals, and wish list items. It also guided the community meetings and discussed strategies for phasing, sustainable maintenance, and funding for implementation. The collaborative process was led by the City of Brighton and the technical advisory committee and facilitated by Norris Design staff. This team helped to identify the existing site conditions, goals to guide the planning process, and gathered feedback from the community members. The feedback included iterations of the plan, administering photo surveys, and written survey feedback. This document highlights the public’s opportunities to participate in the planning, development, operation, interpretation, and stewardship of the Ken Mitchell Open Space Master Plan. The Master Plan details the City of Brighton’s multi-faceted responsibilities, designates the opportunities for community input, and provides a framework for the decision making of the Team. The planning process consisted of the following tasks: • Task force meetings • Site inventory and analysis • Community engagement • Photo and written surveys • Vision, goal, and wish list preparation • Park and Recreation Advisory Board meeting • City Council meetings • Master Plan Instruction • Schedule and prioritization • Preliminary opinion of probable costs PURPOSE AND ROLE OF THE KEN MITCHELL OPEN SPACE CONCERNS • Safety - provide a safe place for all individuals • Accessibility - provide access to the site for all individuals including parking spots, biking trails and parking and walking trails • Regional Facilities and Uses - revisit and update the trail connections, recreational uses, and facilities within the open space • Mining Operations - discuss objectives and understanding of mining operations for repurposing and public safety • Educational Signage - provide signage for wildlife habitat, directional signage, and educational components of the water storage facilities • Division of Pathways - provide pathways for the Colorado Front Range Trail (CFRT) and interior park walking and biking pathways • Timeline & Funding - when will the park be installed and ready for use and who will fund it. • Introduction ---PAGE BREAK--- 11 Introduction DESIRES • Recreational Components on Water - provide access to and activities in the water • Wildlife Habitat Corridor & Vegetation Conservation - provide a regional wildlife habitat corridor along the South Platte River with limited public access. • Mining Reclamation - Transformation of gravel mined areas to promote wetlands, native vegetation and wildlife • Regional Park - develop the open space as a regional attraction for individuals to come and use • Regional Trails - provide a regional trail connection throughout the front range for walking and biking • Activities for all Ages - provide a range of activities for senior citizens, adults, teenagers, and children • Nature Center / Event Center - provide interpretive signage, educational nodes and places for congregation and picnicking ESSENTIAL ROLE OF KEN MITCHELL OPEN SPACE AREA The mission statement deﬁ nes the essential role of the Ken Mitchell Open Space: “The mission of the Ken Mitchell Open Space Area is to preserve the natural resources and wildlife of the South Platte River corridor while providing trails, open space, and parks for the residents of the City of Brighton and Adams County.” VISION STATEMENT The vision statement sets the values and objectives for the Ken Mitchell Open Space: “The Ken Mitchell Open Space Area will become a focal point for the City of Brighton, Adams County, and the entire state of Colorado, drawing not only wildlife but people of all ages to the area.” GUIDING PRINCIPLES To realize the vision statement, a list of guiding principles were developed to implement the plan’s elements, strategies, and actions. Through community and city input, Norris Design was able to identify the following: 1. Pursue joint partnerships and regional coordination with public agencies, nonproﬁ t organizations, volunteers, private sector entities, and community and neighborhood services. 2. Utilize the Ken Mitchell Open Space Area to provide a range of recreational experiences for users of all ages in balance with environmental resources. 3. Provide multiple access points of entry into the site, including a diversiﬁ ed system of trails that connect to surrounding communities and a main vehicular entrance with multiple parking opportunities. 4. Acquire, preserve, and maintain existing wildlife habitats and corridors. Provide for species movement through wildlife corridors. 5. Protect and enhance important ecological resources such as wetlands, prairie grasslands, the South Platte River corridor, and 3rd Creek. 6. Reclaim the land upon completion of gravel pit mining for 4,000 acre feet of water augmentation storage. 7. Recreate lands disturbed by gravel mining and extraction as community resources that support native habitats, wildlife, water storage, recreation opportunities and educational opportunities. Introduction ---PAGE BREAK--- 12 Introduction 8. Maintain and educate citizens on the existing water storage augmentation ponds. Preserve these ponds as passive, large scale natural resources with limited human contact. 9. Provide a variety of walking and biking trails that connect into the regional Colorado Front Range Trail (CFRT) system. 10. Encourage educational opportunities for citizens to learn about the trails, designated open space, and water augmentation ponds in order to minimize environmental impacts. WISH LIST • Water Augmentation Storage • Main park gateway • Outdoor classroom / educational components • Park Maintenance Facilities • Visitors Center / Nature Center • Active use areas with access to the water • Championship level disc golf course • Sledding hill • Rest rooms • Fishing piers & shore ﬁ shing • Bike & walking trails Accessible surface for all individuals • Sports and recreation areas including a nature playground, skate park, and courts • Picnic areas / shelters • Dog park • Scenic overlook Introduction Ken Mitchell Park & Open Space signage at Ken Mitchell Park ---PAGE BREAK--- 13 Introduction ---PAGE BREAK--- 14 SITE INVENTORY 2 TARGET NATURAL RESOURCES The restoration of wildlife habitat within the project area fulﬁ lls the community’s desire to protect the critical wildlife viewing heritage that has been declining in the area. The KMOS was previously mined for sand and gravel acquisitions. As a result of the mining operations, the majority of the existing land is unproductive and/or has very little value to support wildlife habitat. This project is an opportunity for the City to restore and protect wildlife and bird habitat and natural resources. The City of Brighton is dedicated to maintaining a “small town feel with farming and open space history” throughout its controlled expansion. The area that surrounds the site has been developed into commercial, mixed use, and residential uses. Open space preservation, has been determined as one of the tools needed to maintain the “open feel” that has always surrounded the Brighton community. Streams and lakes ﬂ ow from eastern Brighton, Barr Lake and the Rocky Mountain Arsenal to the South Platte River. This surface and groundwater are directly hydrologically connected to the project area. The potential for a restored wildlife habitat that extends the length of the South Platte River corridor is a much desired amenity for the City of Brighton. The 671.9-acre KMOS project is a vital piece of open space located within a regional, integrated greenway and open space corridor. The KMOS is publicly owned and located within an environmentally sensitive ﬂ oodplain area along the South Platte River. The project has been delineated into eight parcels as tabulated in Table 1, Section 2. All of the Ken Mitchell Open Space mining operations are anticipated to end in 2018. Cell 1 and Cell 3 are completely mined. The Boral Aggregates concrete batch plant will remain in its current place. Site Inventory Site Inventory ---PAGE BREAK--- 15 Site Inventory MAP 2: VICINITY MAP ---PAGE BREAK--- 16 Site Inventory AREA DESCRIPTIONS Area 1: City of Brighton Parcel Description: This area is located east of Erger’s Cell and the Colorado Front Range Trail parcel. The area is a transition area between open space lands to the west and the well maintained Colorado Park to the east. Previously the approximately 7.6-acre area was used for farming. Recommendations: This area needs to be restored with native species and wildlife habitat. Area 2: Colorado Front Range Trail Parcel / McCann Irrigation Ditch Description: The approximately 25.7-acre area, designated as the Colorado Front Range Trail (CFRT) Corridor, is located within the northern portion of the project and contains the Colorado Front Range Trail (CFRT) project and the McCann Irrigation Ditch. The CFRT is a unique trail project that will create a multi-purpose trail from Wyoming to New Mexico, along the Front Range of Colorado. The 876-mile trail will link 15 cities, 14 counties, and many small communities. The McCann Irrigation Ditch runs from the south-eastern edge of Cell 3 through the project site and discharges into the South Platte River on the northern edge of the project site in the CFRT parcel. The Ditch runs next to the CFRT trail and the eastern side of Erger’s Cell, Cell 1, Cell 2, and Cell 3. The McCann Ditch has been buried underground in certain sections. Third Creek runs into the project site in the Aichelman parcel and drains into the McCann Irrigation Ditch at Cell 3. Before mining operations, Third Creek drained into the South Platte River. Third Creek connects with the Rocky Mountain Arsenal National Wildlife Refuge through a series of ditches, canals, and creeks and used to provide a vital wildlife corridor to the South Platte River. Recommendations: Revegetation and bank stabilization are needed along the CFRT trail and McCann Irrigation Ditch Corridor. The restoration of Third Creek to drain into the South Platte River basin is recommended. Area 3: Erger’s Cell Description: Erger’s cell, which was previously home to the gravel and sand mining operations is approximately 131.2-acres. It is located south of the CFRT corridor and McCann Ditch (Area 2) and to the east of the land owned by Adams County (Area Erger’s Cell has recently ceased gravel and sand mining operations and is now being used for water augmentation storage. Prior to mining, this area was a lowland that contained marshy areas and high grasses mixed with native trees. The man-made lake contains very steep banks with little vegetation; currently there are no wildlife habitat areas. The banks of this former mined area are very steep and unstable. Recommendations: Fish habitat improvements are proposed for this area and would beneﬁ t the overall wildlife and bird community. Revegetation, bank stabilization, and water storage would add substantial value to this area and the surrounding wildlife communities. Area 4: Adams County Open Space Description: Adam’s County Open Space is a 24.8-acre area located to the west of Erger’s Cell (Area 3) and north of the Ken Mitchell Open Space. The land is owned by Adams County and maintained by Adams County Open Space. Adams County is partnering with the City of Brighton and Urban Drainage and Flood Control District to restore the river corridor and the wildlife habitat in this area. The Adams County Open Space land includes the South Platte River and contains cottonwoods, minimal native vegetation, and sand bars with unstable banks. Additionally, the river itself requires stabilization. Recommendations: These items will complement the bank stabilization efforts and ensure erosion is minimized along the corridor while improving water quality. Area 5: Ken Mitchell Open Space Description: The Ken Mitchell Open Space is comprised of Cell 1, Cell 2, and a portion of Cell 3, as well as the current Ken Mitchell Park. Cell 1 is located south of Erger’s Cell, east of the South Platte River and west of Ken Mitchell ---PAGE BREAK--- 17 Site Inventory TABLE 1: AREA DESCRIPTIONS Area Acres Description Proposed Activities 1 7.6 City of Brighton Parcel Restoration/Revegetation Restoration of native species and wildlife habitat 2 25.7 Colorado Front Range Trail Parcel McCann Irrigation Ditch Revegetation Bank stabilization 3 131.2 Erger’s Cell Fish habitat improvements Revegetation Bank stabilization 4 24.8 Adams County Open Space Restoration of wildlife habitat along river corridor Stream stabilization Bank stabilization 5 388.6 Ken Mitchell Open Space Ken Mitchell Park Third Creek-McCann Irrigation Ditch transition Cells 1, 2 and 3 Restoration of wildlife habitat Revegetation Bank stabilization Wetland creation Fish habitat improvements Wildlife Habitat Corridor establishment/enhancement 6 16 Aichelman Parcel Land acquisition for entrance Restoration/Revegetation Active Recreation uses Historic home preservation 7 55 Recently acquired land south of Cell 3 Revegetation Bank stabilization 8 23 Future Acquisition Parcel Active Recreation Use Total 671.9 Acres Park. Previously, Cell 1 was used for gravel and sand mining. Currently, the cell has completed mining and contains a large sediment land bridge and water augmentation storage. The land bridge is planned to be removed in late spring / early summer of 2015 and will be ﬁ lled in with water storage. Cell 2 is located south of Cell 1. Mining operations are still in operation. Cell 2 has been partially backﬁ lled. All mining, including the plant site, is expected to be ﬁ nished by 2018. Cell 3 is to the south of Cell 1 and Cell 2 and is currently used for water augmentation storage. Cell 3 lacks vegetation and has unstable, very steep banks around the lake edge. Third Creek connects with the McCann Irrigation Ditch on the north-eastern edge of Cell 3. Ken Mitchell Park is located on the eastern edge of Ken Mitchell Open Space. Currently, it is the only land in the entire site that is being used for recreation. There is a playground, ﬁ shing pier, restroom, pavilions, and community garden located within the park. Recommendations: Revegetation, bank stabilization, and restoration of these areas will alleviate the degrading conditions in order for wildlife habitat to ﬂ ourish. In conjunction with the stabilization efforts, ﬁ sh habitat improvements are proposed within Cell 3 and would add signiﬁ cant value to the overall wildlife and bird community. Cell 2 will be restored to create wetlands and associated wildlife habitat. A corridor along the western side of this overall area abuts the South Platte River. The majority of the corridor is devoid of vegetation except for some large cottonwoods along the River. Lowland areas exist within the corridor that would be well suited for wetland creation. Wetland creation within this corridor would allow for the restoration of valuable wildlife habitat. Pedestrians would be restricted from this area to ensure sensitive habitats ---PAGE BREAK--- ﬂ ourished. These type of corridors play a large role in biodiversity, especially in the metropolitan area of Denver. The hydrology and vegetation of these riparian areas, which contrasts surrounding residential and commercial development, creates high biological diversity. Area 6: Aichelman Parcel Description: The Aichelman Parcel is approximately 16 acres of land along Brighton Road that will be acquired for entrance into the project. Currently, the historic farm buildings, Aichelman house, and farm ﬁ elds are located on the site. The historic Aichelman house will be donated to the City by the current owners and is proposed as the new visitors center for the KMOS. The Aichelman Parcel includes the proposed entrance off of Brighton Road as well as the integration of the historic Aichelman house (Re source Number 5AM.3216). This area would serve as an integral part of the project. Recommendations: The Aichelman house will be protected as part of the project and utilized as the main ofﬁ ce headquarters where administration and maintenance operations will be based. The surrounding open land that would be acquired was previously farmed and still remains open land. This area would be restored and revegetated to promote wildlife habitat and create a buffer to compliment the surrounding area along the southeastern portion of the project. Area 7: Recently Acquired 55 Acres Description: The recently acquired 55 acre parcel is located within Cell 3. The majority of the parcel has been mined. The mining operations are complete at this time. Recommendations: Restoration efforts will be provided by the mining company to restore the area that is devoid of vegetation. The City would like to enhance the area through revegetation, bank stabilization, and tree and shrub riparian planting efforts. Area 8: Future Acquisition Parcel: The approximate 23 acre future acquisition parcel will be used for additional active recreation areas within the Ken Mitchell Open Space. ENVIRONMENTAL ASSESSMENT The project area encompasses a combination of surface 18 Site Inventory Ken Mitchell Park Fishing Pier Existing Concrete Plant ---PAGE BREAK--- 19 Site Inventory MAP 3: EXISTING AREAS PLAN ---PAGE BREAK--- 20 Site Inventory water and groundwater systems that are hydrologically connected to the upstream systems within the Rocky Mountain Arsenal and could provide diverse wildlife habitat and improved water quality in the South Platte River and the ponds. Soils within the project area are similar to those within the Rocky Mountain Arsenal and would support comparable resources. Wetland creation and restoration efforts would enhance the vegetation, biological resources, uplands, low land ﬂ oodplains, environmentally sensitive lands, and future riparian areas to support valuable wildlife habitat. The vegetation proposed for the project area includes a variety of native species that would replace those injured resources associated with the Rocky Mountain Arsenal. The restoration of the wildlife habitat in the Ken Mitchell Open Space and South Platte River Corridor project provides many opportunities to create wetlands, riparian areas, revegetate the river corridor, lakes, and other valuable ecosystems. This area will create critical protective buffers in areas identiﬁ ed with high wildlife value that neighbor developed residential and commercial areas. This open space will be maintained in a natural state for added protection of water quality and wildlife habitat. The present land designation is public land, with ﬂ oodplain and environmentally sensitive areas. A conservation easement has been created by the City of Brighton to protect the lands acquired. The City of Brighton and the following entities have integrated this site into many levels of planning which meets their goal to preserve the rural feel of the community. The Open Space Master Plan of 2001 developed with public input speciﬁ es open space acquisition criteria which this site has met. Brighton’s Parks & Recreation Master Plan update of 2008 follows suit in their criteria for open space parks. Parks & Recreation will provide implementation for construction from ongoing maintenance and sales tax revenue. The City of Brighton developed an Agriculture Committee in 2010. Their goal to support conservation easements for farmland includes open space and water way restorations. Adams County, through the Open Space Master Plan has partnered with the City of Brighton with contiguous land acquisitions, future connectivity to the Ken Mitchell Park, Barr Lake State Park and the Rocky Mountain Arsenal. Through Open Space tax generation they will implement initial construction and will apply for future passive grants. The City of Brighton has been in discussions since 1990 with the Colorado Front Range Trail (CFRT) corridor on Arsenal cleanup as this directly impacts the Ken Mitchell site. The Urban Drainage and Flood Control District’s mission, to achieve sustainable drainage and ﬂ ood control, is directly linked to this project. The City of Brighton will strive for future collaborations with Urban Drainage and Flood Control District and Adams County Open Space for restoration and implementation. Existing Bird House along the CFRT Trail Corridor Existing Wetlands ---PAGE BREAK--- 21 Vegetation & Wildlife Varieties Existing Vegetation: Primarily consists of existing overgrazed pasture lands and the following: Riparian Vegetation: Sandbar willow (Salix exigua) Smooth brome (Bromopsisinermis) Snowberry occidentalis) Wetlands Vegetation: Dominated by Reed Canarygrass (Phalaroides arundinacea), non-native Sandbar willow (Salix exigua) Upland Vegetation: Mixed grasslands dominated by smooth brome (Bromopsisinermis) Plains Cottonwood (Populus deltoides) Vegetation potential to the site: Spiranthes (Ute Ladies Tresses) Orchid Habitat Proposed Vegetation: TABLE 2: VEGETATION & WILDLIFE VARIETIES Site Inventory ---PAGE BREAK--- 22 TABLE 2: VEGETATION & WILDLIFE VARIETIES Existing Wildlife: Prairie Dogs (may have been eliminated prior to mining) Bald Eagles Ferruginous Hawks Red-Tailed Hawks Golden Eagles Ducks Geese Great Blue Herons Burrowing Owls (Possibly) Sources: Ken Mitchell Open Space Master Plan; City of Brighton, Colorado Shalkey & Team, Inc. ERO Resources Corp Icon Engineering, Inc. October, 2006 DRMS – Division of Reclamation, Mining and Safety – Report: Reclamation Plan April 1998 Prep for: Ready Mixed Aggregates, Inc. Erger’s Pond Pit Brighton, CO By: Haley and Aldrich, Inc. Denver, CO Site Inventory ---PAGE BREAK--- 23 Site Inventory GRAPHIC 1: EXISTING PHOTOGRAPHS Cell 3, 55 ACRE RECENTLY ACQUIRED PARCEL, & AICHELMAN PARCEL Cell 3 & Cell 2 & EXISTING GRAVEL MINING SITE ---PAGE BREAK--- 24 Site Inventory Cell 3 & AICHELMAN PARCEL NORTH EDGE OF Cell 3, Cell 2, AND SOUTH EDGE OF Cell 1 ---PAGE BREAK--- 25 Site Inventory Cell 1 ERGER’S CELL, COLORADO PARK, ADAMS COUNTY OPEN SPACE & CFRT CORRIDOR ---PAGE BREAK--- 26 Site Inventory AERIAL OF KEN MITCHELL OPEN SPACE - LOOKING SOUTH FROM HWY. 7 ERGER’S CELL & CFRT CORRIDOR ---PAGE BREAK--- 27 Site Inventory EXISTING KEN MITCHELL PARK ---PAGE BREAK--- PLAN UPDATES The purpose of the 2014 KMOS Master Plan is to update the existing 2006 KMOS Master Plan done by Shalkey & Team. The following is a summarized list of updates from the previous 2006 master plan to the 2014 master plan: • The acquired 55 acre parcel on the south side of Cell 3 • Concrete batch plant to remain in place • Mining operations anticipated to cease operations by 2018 • Cell 2 will complete mining, be drained, and become wetlands and future active recreation • The future acquisition of the 16 acre Aichelman parcel • Donation of the Aichelman House located on the Aichelman parcel • Cell 3 mining operations have been completed and are being used for water augmentation storage • Future acquisition / donation of the quarry yard • Erger’s cell has been drained and is used for water augmentation storage. Erger’s cell bank stabilization improvements. • Metro Wastewater Reclamation District improvements along Cell 1 & Erger’s Cell • The City of Brighton received a Great Outdoors Colorado (GOCO) grant for $950,000 for the establishment of 2.28 miles of the Colorado Front Range Trail (CFRT). The trail will include two bridges, wayfaring signage and a concrete trail. • Re-alignment of 3rd Creek to drain into the South Platte River Norris Design was hired to work together with the City of Brighton Parks and Recreation Department, a Technical Advisory Committee, and City of Brighton residents. The plan has been updated to reﬂ ect the values and desires of residents and has the support needed for long-term implementation by the Brighton Parks and Recreation Advisory Board and Brighton City Council. The updated master plan went through a six series process of input and revisions to update the existing master plan. The ﬁ ve revision steps are as follows: 1. Project Start-Up & Understanding of Changes to the Existing Master Plan 2. Existing Site Conditions Inventory and Analysis 3. Vision, Values, and Priorities Assessment • Community Meeting Existing Conditions Updates / Revisions to master plan / Community surveys & feedback 4. Draft of Master Plan & Action Plan • Community Meeting Draft Master Plan Review • City of Brighton Parks and Recreation Advisory Board Meeting 5. Final Master Plan Development • City of Brighton City Council Meeting Review of Master Plan concepts • Final City Council Approval of Master Plan Meeting #2 28 PLANNING PROGRAM & PUBLIC PROCESS 3 Planning Program & Public Process ---PAGE BREAK--- 29 PUBLIC COMMUNICATION STRATEGY The City of Brighton’s planning team has developed many documents in the past that focus on public communication, strategy, and collaboration within the site. Some of these are the Open Space Plan in August of 2001, the Recreation Master Plan update in February of 2008 and the Ken Mitchell Open Space Master Plan in October of 2006. Each of these documents are intended to serve as a road map for proactively developing strategies and tactics needed to develop an inviting, safe, and active open space within the community. The Ken Mitchell Open Space Master Plan will continue to be updated and revised to incorporate continued community input at both the county and local community levels. PUBLIC INPUT PROCESS The collaborative process will be guided by the City of Brighton and consist of the following meetings: coordination and facilitation of two public meetings, one Parks and Recreation Advisory Board meeting, two City Council meetings, gathering information and feedback from community members, and administering surveys to community members. The City of Brighton informed the community members through information boards posted at city hall and various locations throughout Brighton, Channel 8 TV community announcements, posters at the local recreation center, and door knockers and handouts at homes that are a ¼ mile radius from the open space. The city staff and ofﬁ cials will post the design phase of the public meetings and archive the meeting minutes within the city records. PLAN GENERATION OVERVIEW The plan update process consisted of six revision steps, listed to the left, to move the project forward with an action plan and strategies for the next 5 years. The Ken Mitchell Master Plan will serve as a planning and funding tool with the purpose of guiding the future restoration and enhancement, as well as expanding the parks and regional trail connectivity within the City of Brighton and Adams County. Planning Program & Public Process ---PAGE BREAK--- 30 1. PROJECT START-UP & UNDERSTANDING OF CHANGES TO THE EXISTING MASTER PLAN This task includes meetings with the City of Brighton staff, Bowman Consulting, Boral Industries, and Urban Drainage and Flood Control District to understand the existing open space and mining operations as well as the existing master plan changes. The meetings inﬂ uenced the goals, values, and priorities for the future steps in the master plan. 2. EXISTING SITE CONDITIONS INVENTORY AND ANALYSIS The primary goal of the site inventory is to identify design opportunities, constraints, and elements that will impact the ultimate use and design within the property. Mapping, photography, site walks, and on site meetings were used to create an understanding of the existing site conditions. A collection of Geographic Information System (GIS) data was used to determine parcels, land characteristics, parks, and existing trails within the site boundaries. A series of aerial photographs were taken to get an understanding of the existing habitats and corridors, Metro Wastewater construction areas, and gravel mining operations. Site visits were conduct to record the topography, plant life, wildlife, bank stabilization around the water storage ponds, existing Ken Mitchell Park active areas, views of the surrounding area including mountain ranges and downtown Denver, as well as the surrounding developments. 3. VISION, VALUES AND PRIORITIES ASSESSMENT The initial public meeting was held in the City of Brighton Town Hall to obtain feedback and understanding of the vision, values, and priorities of the site. Approximately 25 individuals participated in the public meeting. A public open voting activity with active and passive activities listed on boards (see sheet 31 & 32) occurred as well as a private written community survey which allowed for the community feedback in multiple forms. Input from the technical advisory committee, the public meetings, and consultants developed the vision, values, and priorities assessment for the draft of the Ken Mitchell Park Open Space. 4. DRAFT OF MASTER PLAN & ACTION PLAN The team compiled the information and assessment information to draft a master plan design that is responsive of the wishes of the community and reﬂ ective of the environmental needs within the area. Another series of meetings were held to give feedback on the draft of the master plan prior to ﬁ nalizing the master plan design. 5. FINAL MASTER PLAN DEVELOPMENT Feedback and input from the public meetings, consultants, technical advisory team, and City of Brighton staff was incorporated into a ﬁ nal master plan. An operational plan and project phasing were developed for the future implementation, funding, and maintenance of the Ken Mitchell Open Space. Planning Program & Public Process ---PAGE BREAK--- 31 Planning Program & Public Process Ken Mitchell Open Space Master Plan Active Recreation WHAT’S YOUR VOTE? CONTENTS Playgrounds Swimming Interactive Water Feature Frisbee Golf Course Amphitheater Paintball Area Dog-Off Leash Area Festival / Event / Gathering Space Skatepark Sunning Beach Shore Fishing Multi-Use Fields Sand Volleyball Paddle Boating Canoeing / Sailing / Rowing Outdoor Fitness Equipment / Trail GRAPHIC 2: PUBLIC OPEN VOTING ACTIVITY BOARDS ---PAGE BREAK--- 32 Ken Mitchell Open Space Master Plan Passive Recreation WHAT’S YOUR VOTE? CONTENTS Grand Fishing Pier Fish Habitat Enhancement Riverbank Stabilization Spillways & Drop Structure Trees, Shrubs, Meadows & Wetlands Wildlife Viewing Boardwalks Bird Watching Walking Paths Pond Picnicking Pavilions Interpretive Signage Restrooms Nature Center / Visitor Center Art Program GRAPHIC 2: PUBLIC OPEN VOTING ACTIVITY BOARDS Planning Program & Public Process ---PAGE BREAK--- 33 GRAPHIC 2: PUBLIC OPEN VOTING ACTIVITY BOARDS RESULTS Planning Program & Public Process The public open voting results shown below reﬂ ect the input of the community members, staff, and the technical advisory committee. This collaborative effort developed the ﬁ nal master plan design. Top 5 Picks 1. Multi-Use Fields 2. Outdoor Fitness 3. Walking Paths 4. Tree, Shrubs, Meadows, and Plant Life 5. Picnic Areas & Pavilions Active Recreation Votes: Passive Recreation Votes: 14 11 9 8 7 7 5 5 3 2 1 1 1 0 0 0 2 4 6 8 10 12 14 16 CommunityVotes PassiveRecreationActivities PassiveRecreationBoardsActivities 9 9 8 8 7 6 6 5 5 4 3 3 2 2 1 1 1 0 0 0 1 2 3 4 5 6 7 8 9 10 CommunityVotes ActiveRecreationActivities ActiveRecreationBoardsActivities ---PAGE BREAK--- 34 Planning Program & Public Process GRAPHIC 3: PRIVATE WRITTEN COMMUNITY SURVEY Ken Mitchell Open Space Community Survey 1. In the past year, how many times have you visited the Ken Mitchell Park & Open Space? 2. What areas of the existing Ken Mitchell Park do you use most frequently? 3. What active recreation uses would you like to see in the Ken Mitchell Park & Open Space active programming plan? (Excluding those currently in place) 4. What areas of the existing Ken Mitchell Open Space do you use most frequently? 5. What passive recreation uses would you like to see added to the Ken Mitchell Open Space passive programming plan? 6. What other concerns or suggestions, if any, do you have about the Ken Mitchell Open Space Master Plan? 0 1 2 3 4 5+ ---PAGE BREAK--- 35 GRAPHIC 3: PRIVATE WRITTEN COMMUNITY SURVEY RESULTS Planning Program & Public Process The results below were developed from the participants at the community meeting held on May 29, 2014. These results were used to develop the ﬁ nal master plan design and document. Question 1: In the past year, how many times have you visited the Ken Mitchell Park & Open Space? Question 2: What areas of the existing Ken Mitchell do you use more frequently? Ken Mitchell Open Space Visits 0 1 2 3 4 5+ 0 2 4 6 8 10 12 BikePaths FishingPier EntirePark Playground Restrooms ParkBenches EastSideofCell#1&Cell#2 CommunityVotes Activities CurrentActiveRecreationUses ---PAGE BREAK--- 36 Planning Program & Public Process Question 3: What active recreation use would you like to see in the Ken Mitchell Park & Open Space Active Programming Plan? Question 4: What areas of the existing Passive Recreation at the Ken Mitchell Open Space do you use most frequently? GRAPHIC 3: PRIVATE WRITTEN COMMUNITY SURVEY RESULTS 0 1 2 3 4 5 6 7 WalkingTrails BikingTrails DogPark BasketballCourt AdditionalPicnicAreas BallFields BaseballFields FrisbeeGolf SoccerFields AccesstoWater/Boating AdditionalPiers AdditionalPlayground Kayaks/PaddleBoats NonmotorizedBoats SkatePark SleddingHill SplashPark(Benedict… Sports AdditionalParking AdditionalRestrooms Benches BirdWatching ChildrenOutdoor… DrinkingFountains… GameAreas(horse… HockeyFields NatureObservancy OutdoorMovies OutdoorPoolwith… SnackBar TennisCourts CommunityVotes ActiveRecreationUses ActiveRecreationUses 0 1 2 3 4 5 6 7 BikePath/ Jog/walk KenMitchell Park FishingPier WalkingTrail inErger's Cell DoggyBags Playground Equipment Boardwalk GrassyArea CurrentPassiveRecreationUses ---PAGE BREAK--- 37 Planning Program & Public Process GRAPHIC 3: PRIVATE WRITTEN COMMUNITY SURVEY RESULTS Question 5: What Passive Recreation Uses would you like to see added to the Ken Mitchell Open Space Passive Programming Plan? Question 6: What other concerns or suggestions, if any, do you have about Ken Mitchell Open Space Master Plan? “I am worried about increased trafﬁ c and parking. Our area needs things for teenagers to DO. Our neighborhood is cut off from the rest of Brighton by Highway 85. It is very difﬁ cult to access additional amenities East of Highway 85 without a car.” “Fill Pond” “Basketball Court, Volleyball Courts, and Tennis Courts” “It has taken too long. If we expand the park we will get more trafﬁ c. We would need to have better access to Bromley across Highway 85. The intersection in the area are a wreck. We need better trafﬁ c control from E. Bromley, across 85 all the way to the end of Bromley.” “Timelessness – Broken Promises. It doesn’t matter what we ask for, none of it will be done on a timely manner. Offer of donated mobile basketball poles never yielded an answer.” “Wedding in Park and around Fishing Dock” “Non-nature related activities (Paint-ball, motorized equipment, etc.) should not be allowed.” “Who is going to “police” the area so that unauthorized uses, grafﬁ ti, crimes, i.e. assaults, etc. are controlled? Keep this area wildlife, passive activities. We have many active parks for active activities.” “I just want to have the whole city to be able to enjoy this area. I am concerned with parking.” “I don’t need to be on the water to enjoy it! Fishing from piers is ﬁ ne. Interpretive signs explaining water use seem to be a need.” “Wildlife viewing, wetlands for nature exploration.” “Hope to have a walk or bike path around the lake. Parking area.” “Don’t over develop the area with too many recreational areas. Keep it as natural as possible.” 0 1 2 3 4 5 6 PassiveRecreationUses ---PAGE BREAK--- This section focuses on the ﬁ nal master plan and the components that make up the proposed Ken Mitchell Open Space. The ﬁ nal master plan proposes an overall design for the Ken Mitchell Open Space that can be installed in developmental phases to suit the funding allowances proposed in the Operational Plan, section 5. The master plan was developed based on the needs and desires of the community and technical advisory committee. A summarized list of ﬁ nal programming items is listed below. FINAL MASTER PLAN PROGRAMMING ITEMS: • Vehicular Access, Main Entrance Drive, and Parking • Colorado Front Range Trail (CFRT) extension and access • Interpretive Educational Signage • Historic Aichelman House Visitors Center / Maintenance Facilities and Nature Center • Third Creek Restoration • Wildlife Habitat Enhancement Areas including wildlife corridors, wetlands, riparian areas and upland and meadow areas throughout the site • Multi-Use Park Building with restrooms, concessions, rentals, and other amenities • Picnic Meadows that include shade shelters for group congregations of all sizes • Soft Surface Trail Systems that allow for seating, exercise stations, and educational interpretive signage • Active Water Use Areas that include a swim beach, sand volleyball courts, non-motorized boats, remote control boats, and model airplanes • Championship Frisbee Disc Golf Corse within the surrounding wetland habitat areas and native prairie habitats • A Dog Park • Traditional playground and Nature playground for all individuals • Court Activities including Tennis Courts, Basketball Courts, and Sand Volleyball Courts • Multiple restroom locations • Skate Park • A Multi-Use Turf Area that will allow for various activities including soccer matches, festivals, events, and gathering spaces • A 25’ Sledding Hill / Park Overlook that can be used for event seating • Fish Habitat Enhancements • Shore Fishing Access Points • Grand Fishing Pier • Water Quality Pond and Public Art • Bank Enhancements • Spillways • Drop Structures in the South Platte River • Maintenance Facility and Access • Proposed Riverbank Stabilization 38 MASTER SITE DEVELOPMENT PLAN 4 Master Site Development Plan ---PAGE BREAK--- 39 Master Site Development Plan MAP 4: OVERALL SITE MASTER PLAN ---PAGE BREAK--- 40 Master Site Development Plan MAP 5: ACTIVE AREA ENLARGEMENT ---PAGE BREAK--- 41 Master Site Development Plan GRAPHIC 4: BEFORE & AFTER ACTIVE AREA USES Before After ---PAGE BREAK--- 42 Master Site Development Plan KEN MITCHELL OPEN SPACE MASTER PLAN PASSIVE USES 1. Park Entrance / Monumentation Sign / Gateway The vehicular entrance to the park will be located off of Brighton Road. A gateway or monumentation sign will be used to announce a visitor’s arrival to the site. It will provide a sense of ownership and pride for the community. It will lead individuals to the visitors center and parking area. 3. Third Creek Restoration Third Creek is currently connected to the Rocky Mountain Arsenal National Wildlife Refuge through a series of canals, ditches, and creeks. Today, it drains into the McCann ditch and is buried within the Ken Mitchell Open Space. The restoration of Third Creek will allow water to drain to its original destination, the South Platte River. It will reestablish the past thriving vegetation and wildlife corridor. 6. South Platte River The South Platte River runs along the west side of the property and is a vital wildlife corridor in Adams County. The South Platte River corridor will be restored to improve and protect the critical wildlife, ﬁ sh, and bird habitats. The South Platte River corridor will include drop structures, bank stabilization, wildlife habitat planting, removal of invasive species, incorporation of ﬁ sh habitat improvements, and pedestrian river access. Additional spillways will be built between Cell 1 and Erger’s Pond to the South Platte River for the controlled release of water from the ponds into the river, if necessary. 2. Park Visitors Center / Aichelman House The historic Aichelman house will be used as the main ofﬁ ce headquarters and visitor center where administration and maintenance operations will be based. The park visitor center will be the ﬁ rst stop on the exploration around the park where informational maps and questions can be answered about the park. 5. Water Quality Pond The water quality pond is a multi-functioning system of public art, water features, educational component, and stormwater runoff sediment control pond. The pond will clean contaminants before they pollute surface waters or ground water resources, reduce ﬂ ooding and erosion, provide a educational component about water quality, and provide a public art piece within the site. 4. Wildlife / Wetland Habitats & Corridors The restoration and conservation of wildlife corridors and habitats will be provided by the creation of wetlands, riparian areas, enhanced river corridors, lakes, and the formation of buffers and wildlife zones. Revegetation of all areas disturbed by mining activities will enhance the overall planning areas. ---PAGE BREAK--- 43 KEN MITCHELL OPEN SPACE MASTER PLAN PASSIVE USES 8. Grand Fishing Pier / Fishing Pier / Overlook Fishing piers and ﬁ sh habitats will be provided for ﬁ shing activities, public connections with wildlife, general visual overlooks of the park, and community recreation and gathering. Fishing encourages spending time in nature and promotes quality time with family and friends. A grand ﬁ shing pier will be developed with seating, lighting, and a shelter at its end point. 10. Dog Park A dog park is a place to allow your dogs to run off leash and freely interact with other dogs in the area. A dog park promotes a community setting where people can gather and socialize and observe the interaction of groups of dogs at play. 11. Bank Enhancements Bank enhancements are needed to restore the riparian areas and functional hydrology along the lake edges and the South Platte River. Currently, the banks are to steep and unstable. Bank enhancements will be strategically placed along several points to encourage river access and shore ﬁ shing in a safe environment. 12. Fish Habitat Enhancement Areas Fish habitat enhancements will be provided in the main ﬁ shing ponds and the South Platte River. The enhancements will include stream channel restoration and maintenance, stream clean-up, water quality monitoring, pond depths, spawning areas, and shoreline development. The enhancements will be strategically placed at limited access points along the shore to encourage ﬁ shing safely in concentrated areas. Master Site Development Plan 7. Regional Trail Systems Currently, the Colorado Front Range Trail (CFRT) Corridor runs partially through the Ken Mitchell Open Space area and is not completed. The trail will be ﬁ nished and connect the trail regionally to Adams County and downtown Denver. Expanded nature trails, made of stabilized crusher ﬁ nes, will accommodate varied uses and provide healthful outdoor exercise. 9. Picnic Area Informal picnic areas on lawns and in meadows are a popular pastime for park users. Demand for family and group picnic areas is increasing. The master plan includes multiple locations for informal and formal picnic areas that accommodate all group sizes. These areas will serve as a peaceful reprieve utilizing the shade of trees and provide tables for picnicking or games. ---PAGE BREAK--- 1. Multi-Use Turf Area The multi-use turf area will be used as a focal point for lawn games, sports, festivals, events, and other outdoor recreation. The ﬁ elds are large enough to accommodate two soccer ﬁ elds. The multi-use turf areas will be the main irrigated turf areas within the park. 2. Skate Park A community scale skate park facility will provide a built recreational element for skateboarding, BMX, scooter, and in-line skating. The skate park may contain half-pipes, quarter pipes, handrails, pyramids, stairs, and any other items for perfecting skating abilities. Skate parks provide a vital space for people to stay active, provide a community gathering place for all ages, build social skills, mental health skills, and can even attract tourism to the area. 44 Master Site Development Plan KEN MITCHELL OPEN SPACE MASTER PLAN ACTIVE USES 3. Shade Structures Incorporating shade structures through out the park allows for community members areas to ﬁ nd refuge and congregation during inclement weather and heat. The shade structures placed throughout the park allow gathering spaces, refuge from inclement weather and extreme heat, and provide artistic elements and markers throughout the park. 5. Sledding Hill / Park Overlook The City of Brighton is relatively ﬂ at in topography and presently has limited areas for sledding. With minimal equipment required and numerous ﬁ tness beneﬁ ts, sledding is a great neighborhood activity and addition to the park. The sledding hill will also be used as a park overlook with great views of the mountains and Ken Mitchell Open Space area. 6. Nature Playground The nature playground is a playground built of natural play elements such as trees, shrubs, boulders, logs, creeks, sand, grass meadows, wood chips, and other items that incorporate the naturalistic style of the land. A nature playground allows children to use their imagination, strengthen physical activity, develop social and problem solving skills, and connect with nature. 4. Disc Golf Course Disc golf, also known as frisbee golf, is a combination of frisbee and golf. Disc golf is a great recreational activity that can be played at any age, provides a healthy outdoor activity, can be played year round, and is inexpensive to install and maintain. A full championship course has been designed to encourage a regional activity within the park. ---PAGE BREAK--- 45 7. Active Beach Pond / Swim Beach / Sand Volleyball The active beach area will be used for various activities including: community gathering spaces, swimming, tanning, remote control boats, and non-motorized boats. Swim beaches provide restorative beneﬁ ts, health beneﬁ ts, and general therapeutic effects and allow individuals to enjoy nature and the outdoors. 9. Traditional Playground The traditional playground area is centered in the primary area of the park and will contain manufactured equipment made of metal or plastic in playful colors for all ages. The traditional playground will focus on developing motor skills, physical skills, emotional, social, and cognitive skills that are vital for social development. 10. Court Games Some of the court games incorporated into the park include: tennis courts, basketball courts, and shufﬂ e board. Court games provide health beneﬁ ts for all ages. They can be played year round (with a team or singularly) they build endurance, improve balance and coordination, and improve concentration and self-discipline. They are a great activity to have in a regional park. 11. Outdoor Classroom Adding natural boulders and logs arranged in a semi-circular shape in the wildlife habitat / native vegetation areas allow for school ﬁ eld trips and classes to be taught outside in nature when weather permits. This space creates an innovative learning environment that is a break from the normal class routine. 12. Public Art Public art is an important part of showcasing the uniqueness in a community and artists that live within the community. Public art has both aesthetic value, cultural, social, and economic value that is added to a community. Public art is necessary to invigorate spaces and humanize build environments. 13. Jogging Path with Workout Stations Measured jogging paths and workout stations will be placed around the multi-use turf area to provide community members a place to work-out within nature. Workout stations will be spaced at intervals along the path housing equipment for mixed ages and levels to use outdoors. KEN MITCHELL OPEN SPACE MASTER PLAN ACTIVE USES Master Site Development Plan 8. Multi-Use Park Building by the Active Use Beach The multi-use park building incorporates restrooms, concessions, changing rooms, rentals and other various items for the swim beach area within the park. ---PAGE BREAK--- The Implementation section includes recommendations for executing the long-term vision and goals. It is intended to be used as a tool for implementation of the master plan, with regular updates as tasks are completed and new opportunities arise. The City of Brighton alone can not accomplish all the recommendations of this master plan; success will be realized through partnerships and grant efforts. The Implementation section will focus on the phases of installation, time frame for the project, preliminary opinion of costs per phases, volunteer and collaboration, and other funding opportunities. PHASES OF INSTALLATION The funds for the Ken Mitchell Open Space and South Platte River Wildlife Habitat Restoration project will be phased for construction starting in 2014. Collaboration with various entities including Metro Wastewater Reclamation District, Urban Drainage and Flood Control, the Mile High Youth Corps, Volunteers for Outdoor Colorado and special interests groups will help implement the phases. Multiple phases of installation will occur throughout the years as funding allows and mining is completed. The initial six phases are listed as follows: Phase 1: Metro Wastewater Reclamation District Improvements The new Northern Treatment Plant for the Metro Wastewater Reclamation District has been established just north of the Ken Mitchell Open Space with an anticipated start of operation in 2015. The Metro Wastewater Reclamation District is currently installing pipeline that ranges from 30 to 84 inches in diameter along the South Platte River corridor through the Ken Mitchell Open Space. The alignment of the pipeline generally follows the South Platte River and avoids developed areas and trafﬁ c corridors. Pipeline development areas will be reestablished along habitat improvements, regional trail extensions, and tree planting. Phase 1 will concentrate on the landscape improvements to the areas affected by the pipeline improvements, which include Erger’s Pond & Cell 1. Rebuilding of crusher ﬁ nes pathways around Cell 1 and signage repair will be included in Phase 1. Phase 1 is currently ongoing and is set for completion in the beginning of April 2015. Phase 1 Scope of Work: • Landscape improvements including planting approximately 800 trees/shrubs throughout the project to contribute to the restoration. • Revitalization of storm sewer line areas and areas around the west side of Erger’s Pond and Cell 1 with native seed installation. • Metro Wastewater and Boral Ready Mix will contribute to the rebuilding the crusher ﬁ nes pathways around Cell 1 that have been compromised upon mining and pipeline placements. • Signage in repair areas will be installed for educational and restoration purposes. Phase 2: The Colorado Front Range Trail (CFRT) Improvements Phase 2 improvements will focus on the installation of 2.28 miles of the Colorado Front Range Trail from E470 to Brighton along the South Platte River. The trail will expand the regional trail system and promote safer trail access to outdoor destinations. The trail improvements are in 46 5 Implementation IMPLEMENTATION ---PAGE BREAK--- 47 conjunction with the Great Outdoors Colorado (GOCO) grant funding that was awarded to the City of Brighton for the trail and bridge improvements. Phase 2 will also include partnerships with Urban Drainage and Flood Control District to work on drop structures and south Platte river access. Phase 2 is scheduled for construction after Phase 1 completion and will proceed in 2016. Phase 2 Scope of Work: • Installation of the concrete CFRT trail along west side of Cell 3, Cell 2, and east side of Cell 1. (Trail will not go through Cell 2 at this point until the mining operations have ceased) • Fencing along the west side of Cell 3 • Landscape improvements along the west side of Cell 3. These will be in conjunction with the installation of the trail. • Drop structures along the South Platte River pending Urban Drainage and Flood Control District funding • Access to the South Platte River • Construction of the remainder of the crusher ﬁ nes trails between Erger’s Cell and Cell 1 Phase 3: Rocky Mountain Arsenal Natural Resource Damages (NRDs) Grant Funding - Part I The Rocky Mountain Arsenal Natural Resources Damages grant funding was awarded to the City of Brighton for the restoration, replacement, and acquisition of natural resources that may have been affected by the Rocky Mountain Arsenal settlement in 2008. The City of Brighton will use the funding to expand and enhance 76.2 land acres within the site. The initial phase of the grant funding will focus on the land acquisition of the Aichelman Parcel, restoration and planting enhancements including riparian planting and native seeding, bank stabilization, and clearing and grubbing of invasive species. Phase 3 is set to begin in late 2016 - early 2017 pending other phase completions. All grant funded work will focus solely on wildlife habitat enhancements and restoration. Implementation ---PAGE BREAK--- 48 Implementation Phase 3 Scope of Work: • Purchase of the Aichelman Parcel. • Restoration of Cell 3 including seeding, planting, and invasive species clean-up on the south side of Cell 3 up to the Aichelman Parcel. (Not within mining operations) • Re-alignment of 3rd Creek. • Fishing Habitat Improvements in Cell 3. Phase 4: Utility Improvements Phase 4 will focus on the installation and upgrading of utilities within the site. Surveys and civil drawings will be used to develop a plan for upgrading the utilities within the site. Phase 4 Scope of Work: • Installation of water line. • Installation of sewer line. • Installation of any other lines including electrical, storm sewer, cable, etc. Phase 5: Main Entrance & Aichelman Parcel (South) & Cell 3 (East) - NRD Grant Funding Part II Phase 5 will focus on the Aichelman parcel restoration, visitors center, and main entrance into the park. It will allow the Ken Mitchell Open Space to be accessed from the south side of the property by foot, bike, or vehicle. Phase 5 Scope of Work: • Upgrade and develop the visitors center at the Aichelman House. • Aichelman parcel wildlife restoration within the Aichelman parcel. • Installation of the entrance drive parking lot. 1st parking lot within the site. • Installation of the entrance driveway. • Signage for the entrance drive. • Picnic areas on the east side of Cell 3. • Fishing Pier / Overlook within Cell 3. • The crusher ﬁ nes trail head from the Aichelman House to the Colorado Front Range Trail on the south side of Cell 3. • Restrooms by the visitors center. Phase 6: Aichelman Parcel (North), Cell 2 (South), & NRD Grant Funding Part III (After mining has been completed) Phase 6 will complete the NRD grant funding and Aichelman Parcel upgrades on the north side of the parcel. The NRD grant funding will focus on the improvements around the Aichelman parcel, Cell 2 and Cell 3. The additional improvements will be started upon the completion of the mining operations. Phase 6 Scope of Work: • Continue main entrance drive into Cell 2 and the active use areas. Main entrance drive will end at the roundabout in Phase 6. • Add additional parking lots up to the roundabout. • Continue crusher ﬁ nes trail north in all areas in the Aichelman Parcel. • Installation of the CFRT trail along the south side of Cell 1. (Mining operations shall be complete) • Installation of the wetland pond cells and wetland planting. • Continue all NRD grant funding around Cell 2 and Cell 3. • Complete all crusher ﬁ nes trails. (Except for the sled ---PAGE BREAK--- 49 Implementation hill trail and trails that do not loop into other trails, i.e. concrete trails that need to be completed around the Multi-Use turf areas). Future Installations: Future installations will focus on the remaining active and passive area uses and will be completed when funding becomes available. Some of the items that will be in the future phases include: • Playground components • Restrooms • Shade structures • Large parking lots north east of the round about and north of the roundabout • Frisbee golf course • Park maintenance building • Courts (basketball / tennis) • Concrete trails around multi-use turf area • Multi-use turf area • Swim beach • Dog Park • Sand volleyball • Remote control boats • Grand ﬁ shing pier • Skatepark • Nature playground • Concessions • Sled hill (pending cut & ﬁ ll on site) • Northern picnic areas • Bank enhancements / shore ﬁ shing • City of Brighton Parcel Landscape Renovation • Any additional drop structures, spillways and clean-up on the West side of Cell 1 and Erger’s Pond • Existing CFRT Corridor Landscape Reclamation • City of Brighton Parcel Landscape Reclamation PRELIMINARY OPINION OF COSTS See Appendix for Estimate of Probable Costs. A preliminary opinion of probable costs has been included in the master plan for an approximate summation of cost data. The data showcases how the funding will be used throughout the site and helps develop budgeting tools for the future phases. The City of Brighton will partner with Adams County Open Space and Urban Drainage and Flood Control District for future funding for the park. Currently, the Ken Mitchell Open Space has two grant funding sources: Great Outdoors Colorado(GOCO) and the Rocky Mountain Arsenal Natural Resource Damages Recovery Fund money appropriated for portions of phase two and three developments. The historic Aichelman house located of Old Brighton Road will be donated to the City of Brighton and utilized as the main ofﬁ ce headquarters and maintenance operations. ---PAGE BREAK--- 50 Implementation POTENTIAL FUNDING SOURCES & PARTNERSHIPS The City of Brighton will collaborate with several entities including Adams County Open Space, the Urban Drainage and Flood Control District, the Colorado Department of Parks and Wildlife, Metro Wastewater Reclamation District, Boral Aggregates/Redi-Mix mining company, and a variety of volunteer groups. The City of Brighton will continue to apply for potential grant funding for continued growth of the site. Some of the potential grant funding sources are listed below. This list is not intended to be inclusive of all opportunities but rather to document potential funding sources for the site. Conservation Trust Funds are distributed by the Colorado Department of Local Affairs to cities, towns, counties, and special districts. These funds are available for parks, recreation, and open space purposes. Funding can be used for the acquisition, development, and maintenance of new conservation sites or for capital improvements or maintenance for recreational purposes on any public site. They can be used for open spaces including but not limited to ﬂ ood plains, green belts, agricultural lands or scenic areas, or for any scientiﬁ c, historic, scenic, recreation, aesthetic or similar purpose. The Gates Family Foundation Parks, Conservation & Recreation grant program provides for land conservation and easement purchases, greenways and trail systems, outdoor/indoor recreation facilities, urban public spaces, and community gardens in Colorado. The foundation also provides conservation easement support. Colorado Division of Wildlife Fishing is Fun Program provides a match grant opportunities to local and county governments, park and recreation departments, water districts, angling organizations and others for projects to improve angling opportunities in Colorado. Among the types of projects supported through Fishing Is Fun are stream and river habitat improvements, access improvements, perpetual easements for public access, pond and lake habitat improvements, ﬁ sh retention structures, development of new ﬁ shing ponds, and amenity improvements such as shade shelters, benches and rest rooms. Great Outdoors Colorado has a long history of funding projects in Adams County, local municipalities, recreation districts, and towns for open space, parks and recreation projects or planning efforts. Adams County Open Space Sales Tax grants program provides parks and open space projects a chance to compete for limited funds available through the Open Space Sales Tax program that was passed by citizens in November of 1999. Applications are reviewed by the Open Space Advisory Board, comprised of 7 volunteer members appointed by the Board of County Commissioners. (BoCC) Funding can be used for land acquisition (passive spaces preferred over active), conservation easement acquisition, development of an open space for public access (trails, picnic facilities, ﬁ shing access, etc.), new park development, trail construction including pedestrian bridges and underpasses, park renovation, and wildlife habitat restoration. Collaboration & Volunteers The City of Brighton will collaborate with several entities to accomplish the scope of this project. The City of Brighton ---PAGE BREAK--- 51 Implementation Open Space supports this project through existing land acquisitions. The City of Brighton Parks and Recreation Department supports the restoration and maintenance through their Master Plan document update of 02/2008, public input and sales tax generation. The Adams County Open Space Master plan document supports this restoration and will contribute its portion of sales tax (12.5%) and a passive grant will be applied for in the future. Urban Drainage will provide estimated money through a pending request. Various volunteer groups and youth corp. will be utilized. Donations including the historic Aichelman house have been donated and will be utilized for administrative and maintenance purposes. The Colorado Department of Parks and Wildlife and the above entities are in full support of this project. The Urban Drainage and Flood Control District, Adams County Open Space, Metro Wastewater Reclamation District, and the mining company will all contribute to the restoration project to promote its vitality. The Urban Drainage and Flood Control District will donate $500,000 towards the project through a pending grant request. In addition to the monetary contribution, the Urban Drainage and Flood Control District will also assist with the construction of in- stream structures with the river and bank stabilization activities. The Metro Wastewater Reclamation District will plant approximately 800 trees/shrubs throughout the project to contribute to the restoration of the project. In addition, following the installation of the sewer line that is currently under construction, they will stabilize the area with a native seed mix. The mining company will cease its current mining operations by 2018. Per their mining permit, they are committed to re- grading and seeding the open mining area prior to giving the land to the City. The restoration efforts are anticipated to continue through 2019, which will allow for an overall cohesive project. Adams County is partnering with the City of Brighton by providing 24.8-acres of adjacent South Platte River land to be a part of the Ken Mitchell Park & Open Space wildlife restoration project. This land will contribute an additional buffer for supplementary wildlife habitat located along the South Platte River. The historic Aichelman house (Resource Number 5AM.3216) will be donated to the City. The house will be protected as part of the project and utilized as the main ofﬁ ce headquarters and visitor center. A variety of volunteer groups will help the City with the project. Some of these groups included are: the 27J School District, Boy and Girl Scout troops, Mile High Youth Corps, and the Volunteers of Outdoor Colorado will support the Ken Mitchell Open Space goals and creation. ---PAGE BREAK--- 52 Implementation OPERATIONS, MAINTENANCE, & MONITORING Operation, maintenance, and monitoring (OMM) requirements associated with this restoration project will be vital to ensure the restoration project is successful. The City of Brighton’s Parks and Recreation Department will create a new Open Space Management Division (OSMD) responsible for the management and maintenance of the site. The Aichelman house will be utilized as the visitors center, administration and maintenance operations headquarters. The OSMD will ensure that the contractors who install the planting at the project will conduct the necessary monitoring at the project to demonstrate compliance with the success criteria. There will be a three to ﬁ ve-year warranty period placed upon the plants for full establishment. This will be conducted for all phases of the project to show that the planting criteria is well established. Similarly, the OSMD will ensure that the contractors who install the in-stream structures for stream stabilization will have appropriate warranties that guarantee the success of the structures. The City will manage the project through regular site inspections throughout the duration of the construction process. The purpose of the maintenance program will be to identify problems requiring action. It is anticipated that the maintenance tasks will be conducted at the same time as the monitoring (to the greatest extent possible). The maintenance tasks that will be conducted during the site visits include: 1. Removing trash and/or debris that may hinder vegetation establishment and growth in any of the restored wildlife habitats; 2. Removing invasive plant species, weeds, and/ or competing vegetation that could reduce the quality of the restored wildlife habitat; 3. Replant trees, shrubs or other plants to replace those that do not survive that are outside of the warranty period, as deemed appropriate. If possible, determine the reason for the loss of the plant and use different plant materials or planting methods, if necessary; 4. Prepare an annual report to document results and ﬁ ndings of the maintenance activities at the project and evaluate the progress towards the restoration goals. The inspections will identify any required maintenance that would be performed to ensure the success of the restoration project. The City will also to conduct yearly “special project” work that will be determined through a review of the annual report. All maintenance tasks will be performed once a month during the construction process and the ﬁ rst year following the completion of the restoration activities. Maintenance will then be performed four times a year for a period of ten years. At the termination of the warranty period, the City will conduct vegetation monitoring within the restored areas. Vegetation monitoring will be performed during the spring and fall. Information on the plant species, percent cover, and the species diversity will be documented. Qualitative observations will be made of any of the undisturbed/natural and planted areas during each monitoring visit, noting the general characteristics of the vegetated and sparsely vegetated areas. ---PAGE BREAK--- 53 Implementation A variety of volunteer organizations are anticipated to help the City with the maintenance and monitoring operations. These groups include the 27J School District, Boy and Girl Scout troops, Mile High Youth Corps, and the Volunteers of Outdoor Colorado. During the inspections, these groups will have the opportunity for wildlife, ecology, and ecosystem education. The City’s operations, maintenance, and monitoring will preserve and protect the restoration efforts conducted within the property for the restored wildlife habitat for years to come. ---PAGE BREAK--- 54 6 APPENDIX Appendix ---PAGE BREAK--- 55 55 Appendix Ken Mitchell Open Space & South Platte River Wildlife Habitat Estimate of Probable Costs County: Adams County City: City of Brighton Date: November 2014 TIERS OF PLANTING: Tier 1: Upland & Meadow Areas: Native Seed $0.20 a Square Foot (SF) Tier 2: Wetland Seed Mix $0.30 a Square Foot (SF) Tier 3: Native Seed with Shrubs $0.75 a Square Foot (SF) Tier 4: Riparian: Native Seed w/Shrubs & Trees $1.00 a Square Foot (SF) Tier 5: Enhanced Riparian: Native Seed w/Shrubs & Trees Adjacent to 3rd Creek & Adjacent Ponds $1.15 a Square Foot (SF) PHASE 1: METRO WASTEWATER RECLAMATION DISTRICT IMPROVEMENTS SCOPE OF WORK tem uantity nit ost otal S ati e Seed rees S 118,665.05 $ S P SP ati e Seed rees S 199,419.20 $ S S S P P SP Native Seed & Trees 902021 SF 1.15 $ 1,037,324.15 $ Crusher Fine Pathway Repair 8593 SF 1.25 $ 10,741.25 $ Interpretive Signage Allowance 1 LS 2,500.00 $ 2,500.00 $ Fence (3 Rail for Safety at South edge of pond) 1500 LF 18.00 $ 27,000.00 $ S S P SP Native Seed & Trees 1232090 SF 1.15 $ 1,416,903.50 $ P S P 7% Typical Construction Mobilization 1 EA 196,878.72 $ 196,878.72 $ 3,009,431.87 $ PHASE 2: THE COLORADO FRONT RANGE TRAIL (CFRT) IMPROVEMENTS SCOPE OF WORK tem uantity nit ost otal Installation of the remainder of the CFRT Trail to connect into the existing trail 1 LS 950,000.00 $ 950,000.00 $ B S Crusher Fines Trail wide) along Erger's Cell & Cell No. 1 75,000 SF 1.50 $ 112,500.00 $ S S B S P Demo, Clearing and Grubbing Allowance 1 S 45,000.00 $ Drop Structures 1 LS 5,000.00 $ 5,000.00 $ Earthwork Allowance - Includes rough grading at South Platte River along trail 1 LS 45,000.00 $ 45,000.00 $ Crusher Fines Trail to South Platte River wide) 15000 SF 1.50 $ 22,500.00 $ S S Interpretive Signage Allowance 1 LS 5,000.00 $ 5,000.00 $ Bank Stabilization Allowance - Includes all rough grading (4,500 LF x 30 LF) 135,000 SF 5.00 $ 675,000.00 $ Demo, Clearing and Grubbing Allowance S 30,000.00 $ Fence (3 Rail for safety around Cell No. 3 & Cell No. 2) 2545 LF 18.00 $ 45,810.00 $ Tier 1: Upland & Meadow Areas S 40,875.00 $ Tier 4: Riparian Planting: Native Seed w/Shrubs & Trees Platte River) 200,000 SF 1.00 $ 200,000.00 $ Tier 5: Enhanced Riparian Landscape - (30' Swath @ Bank Stabilization) 79,933 SF 1.15 $ 91,922.95 $ P S P 7% Typical Construction Mobilization 1 EA 158,802.56 $ 158,802.56 $ 2,427,410.51 $ PHASE 3: ROCKY MOUNTAIN ARSENAL NATURAL RESOURCES DAMAGES (NRDs) GRANT FUNDING - PART I ***Rocky Mountain Arsenal NRD grant funds will only be used for wildlife habitat restoration.*** Phase 1 Total: Phase 2 Total Page 1 ---PAGE BREAK--- 56 Appendix Ken Mitchell Open Space & South Platte River Wildlife Habitat Estimate of Probable Costs County: Adams County City: City of Brighton Date: November 2014 SCOPE OF WORK Item Quantity Unit Cost Total AICHELMAN PARCEL Land Acquisition 16 Acre 40,000.00 $ 640,000.00 $ Due Diligence 1 LS 25,000.00 $ 25,000.00 $ SOUTH SIDE OF CELL NO.3 Demo, Clearing and Grubbing Allowance 1 LS 25,000.00 $ 25,000.00 $ includes: native seed w/ native trees & shrubs adjacent to ponds Bank Stabilization Allowance (3,331 LF x 30 LF) 99,930 SF 5.00 $ 499,650.00 $ Fish Habitat Improvements 1 LS 20,000.00 $ 20,000.00 $ Tier 1: Upland & Meadow Areas 105100 SF 0.15 $ 15,765.00 $ Tier 4: Riparian Planting: Native Seed w/Shrubs & Trees 106680 SF 1.00 $ 106,680.00 $ Tier 5: Enhanced Riparian Landscape (30' Swath @ Bank Stabilization) 99930 SF 1.15 $ 114,919.50 $ AICHELMAN PARCEL & CELL NO. 2 (Upon Completion of Mining) 3rd Creek River Restoration 1 LS 500,000.00 $ 500,000.00 $ PROJECT START-UP 7% Typical Construction Mobilization 1 EA 136,291.02 $ 136,291.02 $ 2,083,305.52 $ PHASE 4: UTILITY IMPROVEMENTS SCOPE OF WORK Item Quantity Unit Cost Total ERGER'S POND PARCEL Access across McCann Ditch - Bridge Allowance 1 LS 35,000.00 $ 35,000.00 $ Spillway between South Platte River & Erger's Pond & Cell No. 1 & Erger's Pond 2 LS 50,000.00 $ 100,000.00 $ Drop Structures 1 EA 5,000.00 $ 5,000.00 $ CELL NO. 1 PARCEL Spillway between Cell No. 1 & South Platte River 1 LS 50,000.00 $ 50,000.00 $ Drop Structures 3 EA 5,000.00 $ 15,000.00 $ ACTIVE RECREATION AREAS IN AICHELMAN PARCEL & CELL NO. 2 Sanitary Sewer PVC; includes manholes @ $3,000/ea.) 5,000 LF 40.00 $ 227,000.00 $ Gas 5,000 LF 25.00 $ 125,000.00 $ Water PVC) 5,000 LF 35.00 $ 175,000.00 $ Water Quality Pond Structure (assume EP - no storm sewer) 1 LS 15,000.00 $ 15,000.00 $ Earthwork Allowance - Includes rough grading at South Platte River along trail 1 LS 300,000.00 $ 300,000.00 $ Electric Services 5,000 LF 8.00 $ 40,000.00 $ PROJECT START-UP 7% Typical Construction Mobilization 1 EA 76,090.00 $ 76,090.00 $ 1,163,090.00 $ Phase 3 Total Phase 4 Total Page 2 ---PAGE BREAK--- 57 Appendix Ken Mitchell Open Space & South Platte River Wildlife Habitat Estimate of Probable Costs County: Adams County City: City of Brighton Date: November 2014 PHASE 5: ROCKY MOUNTAIN ARSENAL NATURAL RESOURCES DAMAGES (NRDs) GRANT FUNDING - PART II ***Rocky Mountain Arsenal NRD grant funds will only be used for wildlife habitat restoration.*** SCOPE OF WORK Item Quantity Unit Cost Total AICHELMAN PARCEL Park Visitor Center (Aichelman House Repurposing) 1 LS 125,000.00 $ 125,000.00 $ Restroom Building 1 EA 65,000.00 $ 65,000.00 $ Asphalt Road and Parking (1,105 LF x 25' + Parking Lot) 31,190 SF 2.50 $ 77,975.00 $ Park Signage Allowance 1 LS 30,000.00 $ 30,000.00 $ Small Fishing Pier/Overlook 1 LS 20,000.00 $ 20,000.00 $ Demo, Clearing and Grubbing Allowance 1 LS 13,500.00 $ 13,500.00 $ Earthwork Allowance - Includes rough grading 1 LS 150,000.00 $ 150,000.00 $ includes: native seed w/ native trees & shrubs adjacent to ponds Tier 1: Upland & Meadow Areas 227562 SF 0.15 $ 34,134.30 $ Tier 4: Riparian Planting: Native Seed w/Shrubs & Trees 279950 SF 1.00 $ 279,950.00 $ Tier 5: Enhanced Riparian Landscape (2,333 LF x 30' Swath @ 3rd Creek) 69990 SF 1.15 $ 80,488.50 $ Picnic Landscape 153,251 SF 1.50 $ 229,876.50 $ includes: small areas of sod, irrigated native seed w/ native shrubs and shade trees Crusher Fines Trail along West Side of Aichelman x 1,638 LF) 8190 SF 1.25 $ 10,237.50 $ (Trail only wraps around informal picnic area - Does not head North to Cell No. 2) SOUTH SIDE OF CELL NO. 3 Interpretive Signage Allowance 1 LS 5,000.00 $ 5,000.00 $ Crusher Fines Trail wide x 2,567 LF) 12835 SF 1.25 $ 16,043.75 $ PROJECT START-UP 7% Typical Construction Mobilization 1 EA 79,604.39 $ 79,604.39 $ 1,216,809.94 $ PHASE 6: AICHELMAN PARCEL (NORTH), CELL NO. 2 (SOUTH), & NRD GRANT FUNDING PART III After all Mining Operations are Completed SCOPE OF WORK Item Quantity Unit Cost Total Installation of the remainder of the CFRT Trail between Cell No. 2 & Cell No. 1 1 LS - $ Installation of the wetland pond cells & wetland seed 1 LS - $ AICHELMAN PARCEL (NORTH) Asphalt Road and Parking 73,364 SF 2.50 $ 183,410.00 $ Crusher Fines Trail wide x 3,095 LF) 15475 SF 1.25 $ 19,343.75 $ (Remainder of Trail on West side up to Cell No. 2 & All of East Side) Demo, Clearing and Grubbing Allowance 0 LS 25,000.00 $ - $ includes: native seed w/ native trees & shrubs adjacent to ponds Picnic Landscape (East Side of Entrance Drive) 98,306 SF 1.50 $ 147,459.00 $ includes: small areas of sod, irrigated native seed w/ native shrubs and shade trees CELL NO. 2 Fence (3 Rail for Safety around Pond) 3000 LF 18.00 $ 54,000.00 $ Crusher Fines Trails wide x 3,217 LF) 16085 SF 1.25 $ 20,106.25 $ (Trail on West side of Cell No. 2 & All Crusher Fines Trails except for the sled hill and trails around Frisbee golf areas) Water Quality Pond Structure (assume EP - no storm sewer) 1 LS 15,000.00 $ 15,000.00 $ Interpretive Signage Allowance 1 LS 2,500.00 $ 2,500.00 $ Site Amenity Allowance (benches, litter receptacles) 1 LS $6,000.00 6,000.00 $ Demo, Clearing and Grubbing Allowance 1 LS 50,000.00 $ 50,000.00 $ includes: native seed w/ native trees & shrubs adjacent to ponds Earthwork Allowance - Includes rough grading at South Platte River along trail 1 LS 50,000.00 $ 50,000.00 $ Tier 1a: Upland & Meadow Areas (By Others) 0 SF 0.15 $ - $ Tier 1b: Upland & Meadow Areas 205100 SF 0.15 $ 30,765.00 $ Tier 2: Wetland Seed Mix (By Others) 0 SF 0.30 $ - $ Tier 3: Native Seed w/Shrubs 154125 SF 0.75 $ 115,593.75 $ Tier 4: Riparian Planting: Native Seed w/Shrubs & Trees 145396 SF 1.00 $ 145,396.00 $ Tier 5: Enhanced Riparian Landscape (1606 LF x 30' Swath @3rd Creek) 48180 SF 1.15 $ 55,407.00 $ Phase 5 Total Page 3 ---PAGE BREAK--- 58 Appendix Ken Mitchell Open Space & South Platte River Wildlife Habitat Estimate of Probable Costs County: Adams County City: City of Brighton Date: November 2014 NORTH & EAST SIDE CELL NO. 3 Demo, Clearing and Grubbing Allowance 1 LS 15,000.00 $ 15,000.00 $ includes: native seed w/ native trees & shrubs adjacent to ponds Bank Stabilization Allowance (2,940 LF x 30 LF) 88,200 SF 5.00 $ 441,000.00 $ Tier 1: Upland & Meadow Areas 5000 SF 0.15 $ 750.00 $ Tier 4: Riparian Planting: Native Seed w/Shrubs & Trees 63231 SF 1.00 $ 63,231.00 $ Tier 5: Enhanced Riparian Landscape (30' Swath @ Bank Stabilization) 88200 SF 1.15 $ 101,430.00 $ PROJECT START-UP 7% Typical Construction Mobilization 1 EA 106,147.42 $ 106,147.42 $ 1,622,539.17 $ FUTURE INSTALLATIONS After all Mining Operations are Completed SCOPE OF WORK Item Quantity Unit Cost Total City of Brighton Parcel (7.6 Acres) City of Brighton Parcel Site Preparation (Demo, Clearing & Grubbing) 1 LS 15,000.00 $ 15,000.00 $ Tier 1: Upland & Meadow Areas 204772 SF 0.20 $ 40,954.40 $ Tier 3: Native Seed w/Shrubs 96790 SF 0.75 $ 72,592.50 $ EXISTING CFRT CORRIDOR (25.7Acres) Existing CFRT Corridor Site Preparation (Demo, Clearing & Grubbing) 1 LS 15,000.00 $ 15,000.00 $ Tier 1: Upland & Meadow Areas 103155 SF 0.20 $ 20,631.00 $ Tier 2: Wetland Seed Mix (Along existing McCann Ditch & South Platte River Corridor) 292242 SF 0.30 $ 87,672.60 $ Tier 3: Native Seed w/Shrubs 256389 SF 0.75 $ 192,291.75 $ ADAMS COUNTY OPEN SPACE (24.8 Acres) Adams County Open Space Site Preparation (Demo, Clearing & Grubbing) 1 LS 15,000.00 $ 15,000.00 $ Tier 2: Wetland Seed Mix (Along South Platte River Edge) 123316 SF 0.30 $ 36,994.80 $ Tier 3: Native Seed w/Shrubs 79917 SF 0.75 $ 59,937.75 $ ERGER'S POND PARCEL Erger's Cell Site Preparation (Demo, Clearing & Grubbing) 1 LS 30,000.00 $ 30,000.00 $ Erger's Cell Bank Stabilization (7,695 LF = whole bank 5771 LF x 30 FT- 3/4th of the bank) 173130 SF 5.00 $ 865,650.00 $ Tier 1: Upland & Meadow Areas 0 SF 0.20 $ - $ Tier 2: Wetland Seed Mix (Along existing McCann Ditch & South Platte River Corridor) 306294 SF 0.30 $ 91,888.20 $ Tier 3: Native Seed w/Shrubs 24108 SF 0.75 $ 18,081.00 $ Tier 4: Riparian Planting with Native Seed, Shrubs, & Trees 135798 SF 1.00 $ 135,798.00 $ Tier 5: Enhanced Riparian Landscape (5771 LF x 30' Swath @ Pond Edge) 173130 SF 1.15 $ 199,099.50 $ Fence (3 Rail for Safety around Pond on East Edge) 3000 LF 18.00 $ 54,000.00 $ Site Amenities Allowance (benches, liter receptacles) 1 LS 4,000.00 $ 4,000.00 $ Interpretive Signage Allowance 1 LS 2,500.00 $ 2,500.00 $ CELL NO. 1 PARCEL Cell No. 1 Site Preparation (Demo, Clearing & Grubbing) 1 LS 35,000.00 $ 35,000.00 $ Cell No. 1 Bank Stabilization (11510 LF = whole bank; 3/4th bank 8633 LF x 30') 258990 SF 5.00 $ 1,294,950.00 $ Tier 1: Upland & Meadow Areas 358979 SF 0.20 $ 71,795.80 $ Tier 2: Wetland Seed Mix (Along existing McCann Ditch & South Platte River Corridor) 210255 SF 0.30 $ 63,076.50 $ Tier 3: Native Seed w/Shrubs 169822 SF 0.75 $ 127,366.50 $ Tier 4: Riparian Planting with Native Seed, Shrubs, & Trees 282112 SF 1.00 $ 282,112.00 $ Tier 5: Enhanced Riparian Landscape (Bank Stabilization) 258990 SF 1.15 $ 297,838.50 $ Site Amenities Allowance (benches, liter receptacles) 1 LS 10,000.00 $ 10,000.00 $ Interpretive Signage Allowance 1 LS $2,500.00 2,500.00 $ Fence (3 Rail for Safety - 11,510 LF = whole bank; 3/4th bank = 8633 LF) 8,633 LF $18.00 155,394.00 $ Boulder Allowance (Shore Fishing) 1 LS $15,000.00 15,000.00 $ Phase 6 Total Page 4 ---PAGE BREAK--- 59 Ken Mitchell Open Space & South Platte River Wildlife Habitat Estimate of Probable Costs County: Adams County City: City of Brighton Date: November 2014 CELL NO. 2 PARCEL / ACTIVE RECREATION ITEMS Demo, Clearing and Grubbing Allowance 1 LS 150,000.00 $ 150,000.00 $ Pond Construction 1 LS 250,000.00 $ 250,000.00 $ Multi-Use Park Building 1 LS 350,000.00 $ 350,000.00 $ Park Maintenance Building 1 LS 175,000.00 $ 175,000.00 $ Outdoor Classroom 1 LS 35,000.00 $ 35,000.00 $ Park Shelter 4 EA 65,000.00 $ 260,000.00 $ Park Overlook Structure 1 EA 100,000.00 $ 100,000.00 $ Swim Beach 60,000 SF 3.00 $ 180,000.00 $ Boat Ramp 1 EA 15,000.00 $ 15,000.00 $ Bridge across 3rd Creek 1 EA 15,000.00 $ 15,000.00 $ Water Quality Pond Pier 1 EA 15,000.00 $ 15,000.00 $ Grand Fishing Pier 1 EA 150,000.00 $ 150,000.00 $ Skate Park 1 LS 300,000.00 $ 300,000.00 $ Basketball Courts 1 LS 90,000.00 $ 90,000.00 $ Tennis Courts 1 LS 125,000.00 $ 125,000.00 $ Playground 1 LS 90,000.00 $ 90,000.00 $ Nature Play Area 1 LS 25,000.00 $ 25,000.00 $ Exercise Stations Allowance 1 LS 25,000.00 $ 25,000.00 $ Dog Park 3rail wwm wood fence, sand/gravel surfacing near entries) 1 LS 120,000.00 $ 120,000.00 $ Disk Golf - 18 Nets 1 LS 30,000.00 $ 30,000.00 $ Asphalt Road and Parking (Rest of the Road/Parking up to the Dog Park) 84,275 SF 2.50 $ 210,687.50 $ Crusher Fines Trail wide x 2,424 LF) 12,120 SF 1.25 $ 15,150.00 $ Concrete Trail/Flatwork 72,500 SF 3.15 $ 228,375.00 $ Interpretive Signage Allowance 1 LS 30,000.00 $ 30,000.00 $ Site Amenity Allowance (bench, table, litter rec., bike racks etc.) 1 LS 50,000.00 $ 50,000.00 $ Open Turf 275,940 SF 1.25 $ 344,925.00 $ Enhanced Landscape 53,320 SF 2.25 $ 119,970.00 $ includes: sod, landscape beds, irrigated native seed w/ trees near active areas Enhanced Riparian Landscape 178,275 SF 1.15 $ 205,016.25 $ includes: native seed w/ native trees & shrubs along 3rd Creek & adjacent to ponds Natural Buffer Landscape 673,850 SF 1.00 $ 673,850.00 $ includes: irrigated native seed w/ native trees & shrubs along the road, parking, and walks (remainder of landscape in active use area) PROJECT START-UP 7% Typical Construction Mobilization 1 EA 608,306.90 $ 608,306.90 $ 9,298,405.45 $ Future Installations Page 5 Appendix

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