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Greater Downtown Urban Renewal Extension i5~~~E ~c/k.~ MEMORANDUM August 14, 2006 TO: The Honorable Mayor and City Council Members FROM: Michael C. Van Milligen, City Manager SUBJECT: Amended and Restated Urban Renewal Plan for the Greater Downtown Urban Renewal District Economic Development Director David Heiar is recommending City Council approval of the Amended and Restated Urban Renewal Plan for the Greater Downtown Urban Renewal District. The plan was reviewed by the Long Range Planning Commission and they affirmed that it is consistent with the City's Comprehensive Plan for development. The amendment expands the existing urban renewal district to include the former Adams Door Company, the former U.S. Federal Building, the Locust Street Parking Ramp, and the Carnegie-Stout Public Library. The expansion of the urban renewal district would allow for the use of redevelopment tools to assist future projects. I concur with the recommendation and respectfully request Mayor and City Council approval. (l tl Lt11 mf/,- Michael C. Van Milligen MCVM/jh Attachment cc: Barry Lindahl, Corporation Counsel Cindy Steinhauser, Assistant City Manager David J. Heiar, Economic Development Director , -~ CITY OF DUBUQUE, IOWA MEMORANDUM August 16, 2006 TO: Michael Van Milligen, City Manager FROM: David J. Heiar, Economic Development DirectoG~, SUBJECT: Amended and Restated Urban Renewal Plan for the Greater Downtown Urban Renewal District Introduction The purpose of this memorandum is to forward for City Council review and approval the Amended and Restated Urban Renewal Plan for the Greater Downtown Urban Renewal District which expands the district to include the former Adams Door Company, the former U.S. Federal Building, the Locust Street Parking Ramp, and the Carnegie-Stout Public Library. The Plan and Resolution adopting the Plan are attached. Background On July 17, 2006, the City Council approved a Resolution of Necessity finding that the proposed expansion area was an economic development area and appropriate for urban renewal activities. Staff has prepared an amended and restated urban renewal plan for the area as per the directive of the City Council. The Plan was reviewed by the Long Range Planning Commission on August 15, 2006. The Long Range Planning Commission has forwarded its recommendation to the City Council affirming that the Plan is consistent with the City's Comprehensive Plan for development. A consultation process has been concluded with the affected taxing entities as required by State Law. The required consultation with affected taxing bodies was held on August 9, 2006. No written objections or recommended changes to the proposed Plan were received during the allowed comment period. Discussion The amendment expands the existing urban renewal district to include the former Adams Door Company, the former U.S. Federal Building, the Locust Street Parking Ramp, and the Carnegie-Stout Public Library. No private property has been designated for public acquisition. Text changes in the attached plan have been h19hlightEll!l to allow easy review of the proposed changes. The proposed renovation of the former U.S. Federal Building, as well as possible improvements to the Former Adams Company property, Carnegie-Stout Public Library, and the Locust Street Parking Ramp will allow the use of economic development tools available in the Greater Downtown Urban Renewal District. Recommendation I recommend that the attached Amended and Restated Urban Renewal Plan be adopted to support reinvestment efforts in the expansion areas. Action Step The Action Step for the City Council is to adopt the attached Resolution. attachments Prepared by: Aaron DeJong Assistant Economic Development Director F:\USERS\Adejong\Urban Renewal\2006 Amendments\Adopt Memo 1.doc Prepared by: David Heier, Economic Development Director, 50 West 13th Street, Dubuque, IA 52001 (563) 589-4393 Retum to: Jeanne F. Schneider, City Clerk, 50 West 13th Street, Dubuque IA 52001 RESOLUTION NO. 391-06 A RESOLUTION APPROVING THE AMENDED AND RESTATED URBAN RENEWAL PLAN FOR THE GREATER DOWNTOWN URBAN RENEWAL DISTRICT. Whereas, on July 17, 2006 the City Council of the City of Dubuque, Iowa authorized the preparation of an Amended and Restated Urban Renewal Plan (the "Plan") for the Downtown Dubuque Urban Renewal District (the "District"); and Whereas, the City of Dubuque's primary objective in amending this Plan is to provide opportunities for further redevelopment and reinvestment in the downtown; and Whereas, the Long Range Planning Commission has reviewed the proposed Plan and has found that said document is consistent with the Comprehensive Plan for the development of the City of Dubuque as a whole and has transmitted its findings to the City Council; and Whereas, a consultation process has been undertaken with affected taxing entities in accordance with Chapter 403 of the Code of Iowa with no written objections or recommended changes to the Plan received; and Whereas, the City Council, in accordance with Chapter 403 of the Code of Iowa, has held a public hearing on the proposed amended and restated Plan after public notice thereof. NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF DUBUQUE, IOWA: Section 1. That the Amended and Restated Urban Renewal Plan for the Greater Downtown Urban Renewal District, attached hereto and made reference to herein, be approved. Section 2. That the City Clerk of the City of Dubuque, Iowa is hereby authorized and directed to file a certified copy of the Resolution in the office of the Dubuque County Recorder. Passed, approved and adopted this 21 st day of August, 2006. Roy D. Buol, Mayor Attest: Jeanne F. Schneider, CMC City Clerk F:IUSERSlAdejongIUrban Renewal\2OO6 AmendmentslAdopl Resolution 082106.doc tiJMj~~p~g:~f]I!:I~:~l~[1i~1E) URBAN RENEWAL PLAN Greater Downtown Urban Renewal District (A merger of the Downtown Dubuque and Ice Harbor Urban Renewal Districts) City of Dubuque, Iowa Urban Renewal Plan rovides flil~ffi*:e;ieW:!i"alil~lliHiflll!)jtiNl!j p ......"..!!i!....."~"."......"!i....!i."..... merger of the Downtown Urban Renewal Area Project Number Iowa R-15, originally established by Resolution 123- 67 by the City Council of the City of Dubuque, Iowa on May 18, 1967 and subsequently amended and restated by Resolution 79-71 on March 15, 1971, by Resolution 73-74 on March 11, 1974, by Resolution 107-82 on May 3,1982, by Resolution 191-84 on June 25, 1984, by Resolution 371-93 on December 6, 1993, by Resolution 145-94 on May 2, 1994, by Resolution 479-97 on November 17, 1997, by Resolution 476-98 on October 19,1998 and by Resolution 187-02 on April 1, 2002, with the Ice Harbor Urban Renewal District, originally established by Resolution 403-89 of the City Council of the City of Dubuque, Iowa on December 18, 1989 and subsequently amended and restated by Resolution 241-00 on June 5, 2000 and by Resolution, 114-02 oQ!iJ~~l~.~8.h';;~':!i'!i~893;;!i..m,~t&lIJ);~!ir,~~;f"'~!i9get~?. bX Resolution 170-04 on Apn119, 2004, ~ID!i,fJil1lltlw~Eg~}'Al.t\l!~!g!'l!l!iiHiH:!ij!i:Hrl;~;~wl'i1ljJ,:~~![l!l~~~U!m:l1l~g~~ Prepared by the Economic Development Department August 2006 TABLE OF CONTENTS A. INTRODUCTION B. JUSTIFICATION FOR THE DESIGNATION C. OBJECTIVES OF THE PLAN D. DISTRICT BOUNDARIES E. PUBLIC PURPOSE ACTIVITIES F. DEVELOPMENT AND REDEVELOPMENT REQUIREMENTS 1. LAND USE 2. PLANNING AND DESIGN CRITERIA G. LAND ACQUISITION AND DISPOSITION H. RELOCATION REQUIREMENTS I. FINANCING ACTIVITIES J. STATE AND LOCAL REQUIREMENTS K. DURATION OF APPROVED URBAN RENEWAL PLAN L. SEVERABILITY M. AMENDMENT OF APPROVED URBAN RENEWAL PLAN N. ATTACHMENTS Page 1 Page 1 Page 2 Page 3 Page 4 Page 5 Page 5 Page 6 Page 7 Page 8 Page 8 Page 10 Page 10 Page 10 Page 11 Page 11 A. INTRODUCTION This URBAN RENEWAL PLAN ("the Plan") has been prepared to provide for the merger of two existing Urban Renewal Districts and to stimulate, through public actions, financing and commitments, private investment within the combined area, to be known as the Greater Downtown Urban Renewal District ("the District"). In order to achieve this objective, the City of Dubuque shall undertake the urban renewal actions specified in this Plan, pursuant to the powers granted to it under Chapter 403 of the Iowa Code, Urban Renewal Law, and Chapter 15A of the Iowa Code. This Plan is a merger of the Downtown Dubuque Urban Renewal District Urban Renewal Plan, originally established by Resolution 123-67 by the City Council of the City of Dubuque, Iowa on May 18, 1967 and subsequently amended by Resolution 79-71 on March 15, 1971, by Resolution 73-74 on March 11,1974, by Resolution 107-82 on May 3,1982, by Resolution 191-84 on June 25,1984, by Resolution 371-93 on December 6, 1993, by Resolution 145-94 on May 2, 1994, by Resolution 479-97 on November 17, 1997, by Resolution 476-98 on October 19, 1998 and by Resolution 187-02 on April 1 , 2002 and the Ice Harbor Urban Renewal District Urban Renewal Plan, originally established by Resolution 403- 89 of the City Council of the City of Dubuque, Iowa on December 18, 1989 and subsequently amended and restated by Resolution 241-00 on June 5, 2000 and byResolution 114-02 on March 4, 2002 ("the Merged Districts" , This Plan shall serve as a new urban renewal plan for the Merged Districts described herein. The Plan shall be viewed as a single plan for purposes of fulfilling the objectives of the Plan. B. JUSTIFICATION FOR THE DESIGNATION The City Council of the City of Dubuque, Iowa has determined that the following blighting conditions, as defined by Chapter 403 of the Iowa Code, Urban Renewal Law, exist within the District: . Undeveloped and underdeveloped land; . A preponderance of deteriorated, dilapidated and obsolete public and private improvements; . A faulty lot layout in relation to the size, adequacy and usefulness of the lots; . Fragmented property ownership patterns; . A lack of public utilities; and 1 . An inadequate street layout. The Council has declared by Resolution of Necessity No. 322-06 on July 17, 2006 that these factors have substantially impaired and arrested the sound growth of the City of Dubuque and of the area comprising the Merged Districts. C. OBJECTIVES OF THE PLAN The primary OBJECTIVES of the Plan are: 1. The creation of a thriving central business and riverfront district with a compatible mix of viable commercial/retail, office, financial, residential, cultural, recreational and educational activities; 2. The development of an adequate support system for new and expanding river-related tourism activities; 3. The conservation, restoration, renovation or rehabilitation of the historic and architectural character of the District through the establishment of design standards to ensure cohesive and compatible development and redevelopment, the use of appropriate construction techniques, the coordinated administration of appropriate code enforcement efforts and the maximization of all available financial and technical resources; 4. The creation of a safe, healthy and attractive physical environment through the construction or installation of necessary infrastructure and other public improvements or actions supportive of the District; 5. The creation of a safe, efficient, and attractive circulation system for both pedestrian and vehicular traffic; 6. The development of additional and improved parking opportunities in the District supportive of the businesses located within its boundaries and which accommodate the needs of its residents; 7. The creation of financial incentives necessary to encourage private investment and reinvestment in the District; 8. The creation and retention of quality employment opportunities in the District; and 9. The expansion of the existing property tax base of the District. 2 D. DISTRICT BOUNDARIES The District is located within the City of Dubuque, County of Dubuque, State of Iowa. The District includes five separate subareas that have resulted from prior expansions of the Merged Districts: the Town Clock Subarea, the Old Main Subarea, the Upper Main Subarea, the Ice Harbor Subarea A and Ice Harbor Subarea 8. Despite this subdivision of the District, this Plan shall be viewed as a single plan and shall be applied to all subareas for purposes of fulfilling the objectives of the Plan. The boundaries of each subarea are as follows: 1. The Town Clock Subarea of the District shall include that area generally bounded on the North by Ninth Street but also including the Iowa Inn property and the public parking lot known as Parking Lot Number 1 located between 9th and 10th Streets east of Iowa Street, on the West by Locust Street includin Ci Lots 623 and 624 (Dubu ue Museum of Art), ~/:i€lI:~JiIe N on the South by Fourth Street, and on the East by Central Avenue, including all public rights-of-way. 2. The Old Main Subarea of the District shall include that area generally bounded on the North by Fourth Street, on the West by Locust Street, on the South by the Locust Street Connector and on the East by the U.S. Highway 151/61 right-of-way, including all public rights-of-way. 3. The Upper Main Subarea of the District shall include that area generally bounded on the North by Fourteenth Street, on West by Locust Street, on the South, by the Town ,C,l.ock Subarea and on, the East by Se,ntr~l. A ven ue im.~!!,t~[m9!~1~S!!:I!(~t~'i9$:~l~if~~~~'~~~~~:~!;li~~~f~~i!l?:~"~!j~ II!.j~u1i:~t and including all public rights-of-way. 4. Ice Harbor Subarea A of the District shall include that area generally bounded on the north by the public alley located between the vacated Fourth Street and Third Street, on the west by the Chicago, Central and Pacific Railroad right-of-way, on the south by East First Street and on the east by the municipal limits of the City of Dubuque, Iowa and including any adjoining public right-of-way. 5. Ice Harbor Subarea 8 of the District shall include that area generally bounded on the north and west by the Chicago, Central and Pacific Railroad right-of-way, on the south by the northerly boundary of ~~blw~d"r';~"~'~t"'~1,9,.~~"~~".~.~~,,,~X"!~~\'~~2n~~~~!JkmimJ!';K"~!'tt~,~~,I'ti~"et~~,~~~9,~;, :IJ;l~.,~L:",lmgMt~~,_:i'-i,_'mlJ~n~~_~l!J1l_~~~Jln~erk11ih~~::'_:ffi[!jij~~i~J~,'~m);11;1~11J!\,;~:~:~~ji~i!,,:~J~,I,JiL~!tt~;~~g]~~ 3 Iowa, and including any adjoining public right-of-way. The boundaries of the District and the subareas are delineated on the URBAN RENEWAL DISTRICT map (Attachment A). The City of Dubuque reserves the right to modify the boundaries of the District at some future date. Any amendments to the Plan will be completed in accordance with Chapter 403 of the Iowa Code, Urban Renewal Law. E. PUBLIC PURPOSE ACTIVITIES To meet the OBJECTIVES of this Plan, the City of Dubuque is prepared to initiate and support development and redevelopment of the District through the following PUBLIC PURPOSE ACTIVITIES: 1. Pre-development planning, including but not limited to activities such as appraisals, architectural and engineering studies, environmental assessment and remediation, and feasibility analysis; 2. Provision of technical support to property owners, businesses and organizations in support and furtherance of the Plan; 3. Use of tax increment financing, loans, grants and other appropriate financial tools in support of eligible public and private conservation, preservation, development and redevelopment efforts including the adaptive re-use of existing structures and code compliance; 4. Preparation of property for conservation, preservation, rehabilitation, development and redevelopment purposes; 5. Development and implementation of a program for the repair, restoration, and renovation of historic buildings and related improvements; 6. Improvement, installation, construction and reconstruction of public facilities and improvements including but not limited to structured parking facilities, other parking facilities, streets, alleys, utilities, convention facilities, Riverwalk and Harborwalk improvements and amenities, boat docks, dredging and other river-related improvements; 7. Improvement, installation, construction and reconstruction of other public improvements including but not limited to the relocation of overhead utility lines, installation of street lights, construction of public rest rooms and water fountains, installation of benches and other streetscape amenities, landscaping and signage; 4 8. Acquisition of property through negotiation or eminent domain for public improvements or private development and redevelopment purposes; 9. Disposition of land through sale or lease; 10. Relocation or elimination of existing private improvements; 11. Relocation or elimination of existing railroad spur lines; 12. Demolition and clearance of deteriorated, obsolescent and blighting structures and other improvements not found to be of historical or architectural significance, including but not limited to site preparation for redevelopment purposes; and 13. Enforcement of applicable local, state and federal laws, codes and regulations; Public purpose activities are limited to those areas delineated on the PUBLIC PURPOSE ACTIVITY AREA map (Attachment B). All public purpose activities shall be conditioned upon and shall meet the restrictions and limitations placed upon the District by the Plan. F. DEVELOPMENT AND REDEVELOPMENT REQUIREMENTS The LAND USE and PLANNING AND DESIGN CRITERIA set forth herein shall apply to any and all District properties the preservation, conservation, development and/or the redevelopment of which is assisted by the City through any of the PUBLIC PURPOSE ACTIVITIES listed above. 1. LAND USE: a. Town Clock Subarea: The intent of this Plan is to promote the preservation, conservation, development and redevelopment of a functional, attractively developed environment to further existing office, financial, commercial/retail, cultural, educational, personal and professional services and residential activities within the Town Clock Subarea. The continued development and enhancement of those land uses permitted within the Downtown Commercial Business District (C-4), the Business District (C-5) and the Office Residential (OR) zones of the City 5 of Dubuque's Zoning Ordinance are encouraged. LAND USE maps (Attachments C-1 and C-2) identify the existing and the proposed land uses within the Town Clock Subarea. b. Old Main Subarea: The intent of this Plan is to promote private investment and reinvestment in a variety of commercial/retail, entertainment and residential uses while furthering existing commercial/retail, personal and professional services, entertainment and residential activities within the Old Main Subarea. The continued development and enhancement of those land uses permitted within the Downtown Commercial Business District (C-4) and Business District (C-5) zones of the City of Dubuque's Zoning Ordinance are encouraged. LAND USE maps (Attachments C-3 and C-4) identify the existing and the proposed land uses within the Old Main Subarea. c. Upper Main Subarea: The intent of this Plan is to promote the preservation, conservation, development and redevelopment of this downtown neighborhood of residential, office and commercial/retail uses. The continued development and enhancement of those land uses permitted within the Downtown Commercial Business District (C-4), the Business District (C-5), the Office Residential (OR) and Office Service (OS) zones of the City of Dubuque's Zoning Ordinance are encouraged. LAND USE maps (Attachments C-5 and C-6) identify the existing and the proposed land uses within the Upper Main Subarea. d. Ice Harbor Subareas A and B: The intent of this plan is to encourage a mix of residential, commercial/retail, recreational and educational uses in these Subareas. An adopted Planned Unit Development ordinance shall regulate land uses and zoning in the Ice Harbor Subareas A and B. LAND USE maps (Attachments C-7 and C-8) identify the existing and the proposed land uses within the Ice Harbor Subareas A and B. 2. PLANNING AND DESIGN CRITERIA: a. Town Clock. Old Main and Upper Main Subareas: The planning and design criteria to be used to guide the physical development and redevelopment of the Town Clock, Old Main and Upper Main Subareas 6 are those standards and guidelines contained within the City of Dubuque's Zoning Ordinance and other applicable local, state and federal codes and ordinances subject to the conditions contained in this subsection. b. Ice Harbor Subareas A and B: The planning and design criteria to be used to guide the physical development and redevelopment of the Ice Harbor Subareas A and B shall be the Port of Dubuque Master Plan Design Standards attached hereto as Attachment D. c. Historic Preservation Commission Review: Additionally, the Secretary of the Interior's Standards for Rehabilitation and Guidelines for Rehabilitating Historic Structures shall be used to guide the exterior modifications of historic and architecturally significant properties financed in whole or in part by the City of Dubuque and the improvement, installation, construction or reconstruction of public improvements in the District. Said projects shall be reviewed by the Historic Preservation Commission for compliance with the above referenced standards. d. Off-Premise Sianaae: No off-premise signage shall be allowed in the Ice Harbor Subareas A and B. e. Overhead Utilitv lines: No new overhead utility lines shall be installed within the District where underground placement is feasible. G. LAND ACQUISITION AND DISPOSITION The City of Dubuque is prepared to acquire and dispose of property in support of the development and redevelopment of the District within the parameters set forth below. 1. Land Acauisition: The City may acquire property for private development or redevelopment by contractual agreement or by right of eminent domain. The City reserves the right to acquire, by negotiation or eminent domain, property rights required for the construction or reconstruction of streets and public utilities, or any other public facility or improvement. No properties are identified for acquisition in this Plan. 2. Land Disposition: Publicly held land will be sold for the development of viable uses consistent with this Plan, and not for purposes of speculation. Land will be disposed of in accordance with the requirements set forth in Chapter 403 of the Iowa Code, Urban Renewal Law. Developers and redevelopers will be selected on the basis of the quality of their proposals and their ability to carry out such proposals while complying with the requirements of this Plan. 7 Developers and redevelopers will be required by contractual agreement to observe the Land Use Requirements and Planning and Design Criteria of this Plan. The contract and other disposition documents will set forth the provisions, standards and criteria for achieving the objectives and requirements outlined in this Plan. H. RELOCATION REQUIREMENTS Relocation assistance in accordance with applicable provisions of Chapter 316 of the Iowa Code, Highway Relocation Assistance Law, will be provided in the event that an existing business or residence is displaced by publicly supported development or redevelopment activities. I. FINANCING ACTIVITIES To meet the OBJECTIVES of this Plan and to encourage the development and redevelopment of the District and private investment therein, the City of Dubuque is prepared to provide financial assistance to qualified industries, businesses and housing developers through the making of loans or grants under Chapter 15A of the Iowa Code and through the use of tax increment financing under Chapter 403 of the Iowa Code. 1. Chapter 15A Loan or Grant: The City of Dubuque has determined that the making of loans or grants of public funds to qualified industries, businesses and housing developers is necessary to aid in the planning, undertaking and completion of urban renewal projects authorized under this Plan within the meaning of Section 384.24(3)(q) of the Iowa Code. Accordingly, in furtherance of the objectives of this Plan, the City of Dubuque may determine to issue bonds or loan agreements, in reliance upon the authority of Section 384.24A, Section 384.24(3)(q), Section 403.12 (general obligation bonds) or Section 403.9 (tax increment bonds), for the purpose of making loans or grants of public funds to qualified entities. Alternatively, the City may determine to use available funds for the making of such loans or grants. In determining qualifications of recipients and whether to make any such individual loans or grants, the City of Dubuque shall consider one or more of the factors set forth in Section 15A.1 of the Iowa Code on a case-by-case basis. 2. Tax Increment Financinq: The City of Dubuque is prepared to utilize tax increment financing as a means of financing eligible costs incurred to implement the Public Purpose Activities identified in Section E of this Plan. Bonds or loan agreements may be issued by the City under the authority of Section 403.9 of the Iowa Code (tax increment bonds) or Section 384.24A, Section 384.24(3)(q) 8 L and Section 403.12 (general obligation bonds). The City acknowledges that the use of tax increment revenues delays the ability of other local taxing bodies to realize immediately the direct tax benefits of new development in the District. The City believes, however, that the use of tax increment revenues to finance the public improvements and to promote private investment in the District is necessary in the public interest to achieve the OBJECTIVES of this Plan. Without the use of this special financing tool, new investment may not otherwise occur or may occur within another jurisdiction. If new development does not take place in Dubuque, property values could stagnate and the City, County and School District may receive less taxes during the duration of this Plan than they would have if this Plan were not implemented. Tax increment financing will provide a long-term payback in overall increased tax base for the City, County and School District. The initial public investment required to generate new private investment will ultimately increase the taxable value of the District well beyond its existing base value. Tax increment reimbursement may be sought for, among other things, the following costs to the extent they are incurred by the City: a. Planning and administration of the Plan; b. Construction of any of the public improvements, amenities and facilities contemplated by the Plan within the District, including pre- development planning, environmental assessment and remediation, feasibility analysis and engineering costs; c. Acquisition, installation, maintenance and replacement of public improvements throughout the District including but not limited to street lights, benches, landscaping, appropriate sign age and rest rooms; d. Acquisition of land and/or buildings and preparation of same for sale to private developers, including any "write down" of the sale price of the land and/or building; e. Preservation, conservation, development or redevelopment of buildings or facilities within the District to be sold or leased to qualifying for-profit and not-for-profit organizations, developers and businesses; f. Loans or grants to qualified entities under Chapter 15A of the Iowa Code, including debt service payments on any bonds issued to finance such loans or grants, for purposes of expanding the business or activity, or other qualifying loan programs established in support of the Plan; and 9 g. Providing the matching share for a variety of local, state and federal grants and loans. 3. Proposed Amount of Indebtedness: At this time, the extent of improvements and new development within the District is only generally known. As such, the amount and duration for use of the tax increment revenues for public improvements and/or private development can only be estimated; however, the actual use and amount of tax increment revenues to be used by the City for District activities will be determined at the time specific development is proposed. It is anticipated that the maximum amount of indebtedness which will qualify for tax increment revenue reimbursement during the duration of this Plan, including acquisition, public improvements and private development assistance, will not exceed $75,000,000. Current indebtedness is approximately $39,000,000. At the time of adoption of this Plan, the City of Dubuque's current general obligation debt is $41,715,000 (a list of obligations is found as Attachment E) and the applicable constitutional debt limit is $145,400,539. J. STATE AND LOCAL REQUIREMENTS All provisions necessary to conform with state and local laws have been complied with by the City of Dubuque in the implementation of this Plan and its supporting documents. K. DURATION OF APPROVED URBAN RENEWAL PLAN This Plan shall continue in effect until terminated by action ofthe City Council, but in no event before the City of Dubuque has received full reimbursement from all incremental taxes for its advances and principal and interest payable on all Tax Increment Financing or general obligations issued to carry out the OBJECTIVES of the Plan. The DEVELOPMENT AND REDEVELOPMENT REQUIREMENTS established, or as amended from time to time by the City of Dubuque Zoning Ordinance, shall remain in effect in perpetuity. L. SEVERABILITY 10 In the event one or more provisions contained in this Plan shall be held for any reason to be invalid, illegal, unauthorized or unenforceable in any respect, such invalidity, illegality, unauthorization or unenforceability shall not affect any other provision of this Plan and this Urban Renewal shall be construed and implemented as if such provision had never been contained herein. M. AMENDMENT OF APPROVED URBAN RENEWAL PLAN This Plan may be amended from time to time to respond to development opportunities. Any such amendment shall conform to the requirements of Chapter 403 of the Iowa Code, Urban Renewal Law. Any change effecting any property or contractual right can be effectuated only in accordance with applicable state and local law. N. ATTACHMENTS The following attachments are a part of this Plan: A Urban Renewal District Map, with Subareas B Public Activity Area Map C Land Use Maps C-1 Town Clock Subarea Existing Land Use Map C-2 Town Clock Subarea Proposed Land Use Map C-3 Old Main Subarea Existing Land Use Map C-4 Old Main Subarea Proposed Land Use Map C-5 Upper Main Subarea Existing Land Use Map C-6 Upper Main Subarea Proposed Land Use Map C-7 Ice Harbor Subareas A and B Existing Land Use Map C-8 Ice Harbor Subareas A and B Proposed Land Use Map D Port of Dubuque Master Plan Design Standards E List of Current General Obligation Debt F:\USERS\Adejong\Urban Renewal\2006 Amendments\2006 Greater Downtown UR changes.doc 11 Greater Downtown Urban Renewal District ~ Ice Harbor Subarea A&B 1:'\></1 Town Clock Subarea _ Old Main Subarea IliWmmHHI Upper Main Subarea Water Attachment A Created By: Aaron M. Dejong Economic Development Department Date: July 25, 2006 375 750 Public Activities are authorized throughout the District. Attachment B Public Activity Area Map Town Clock Subarea Current Zoning Map ~ ~ ~ '\ Attachment C-1 Created By: Aaron M. Dejong Economic Development Department Date: July 2S, 2006 o 12S 2S0 Feet SOO Zoning ~C-4 li.,,1 C-S "OR Town Clock Subarea Proposed Zoning Map \ \ _n~\ Attachment C-2 Created By: Aaron M. Dejong Economic Development Department Date: July 25. 2006 o 125 250 Feet 500 Zoning ~C-4 E82J............. C 5 ........... - ,........ III OR w S! Attachment C-3 f-. '" ::J o o ~ <J> ~ Zoning <J> ~C-4 Feet _ C-5 500 Created By: Aaron M. Dejong Economic Development Department Date: July 25, 2006 o 125 250 Attachment C-4 .... '" ::J U o ~ (f> ~ Zoning (f> ~C-4 Feet _ C-5 500 Created By: Aaron M. Dejong Economic Development Department Date: July 25, 2006 250 Upper Main Subarea Current Zoning Map \ \ Attachment C-5 Created By: Aaron M. DeJong Economic Development Department Date: July 25. 2006 o 125 250 Zoning ~C-4 ~ ~C-5 .oc ~OR os Upper Main Subarea Proposed Zoning Map \) Attachment C-6 ' Zoning f:.'::,:::, "".1 C-4 ~C-5 .oc ~OR OS Created By: Aaron M. Dejong Economic Development Department Date: July 25. 2006 o 125 250 Ice Harbor Subarea Current Zoning Map Attachment C-7 Created By: Aaron M. Dejong Economic Development Department Date: July 25, 2006 NES ...; '" " " UJ UJ f- \( 5: DO E Feet 1,040 Zoning ~ Mixed R, C, and Recreational Uses Ice Harbor Subarea Proposed Zoning Map NES -' '" w ti ;: " '" W f- Attachment C-8 Zoning Created By: Aaron M. DeJong Economic Deveiopment Department Date: Juiy 25, 2006 ~ Mixed R, C, and Recreational Uses The Port of Dubuque Master Plan tat AT ti IE PORI OF DUBUQUE Port of Dubuque Master Plan Dubuque, Iowa Prepared for The City of Dubuque, Iowa Prepared by URS Corporation Leland Consulting Group EDG, Ltd. March 2002 PARTICIPANTS Dubuque City Council Terrance M. Duggan, Mayor John 14- Markham, 1st Ward Roy D. Buol, 2nd Ward Joyce E. Connors, 3rd Ward Patricia A. Cline, 4th Ward Ann E. Michalski, At -Large Daniel E. Nicholson, At -Large Michael C. Van Milligen, City Manager City of Dubuque City Hall 50 West 13th Street Dubuque, Iowa 52001 Economic Development Department: 563-589-4393 Planning Department: 563-589-4210 Administration: 563-589-4110 4th Street Peninsula Work Group Bill Baum, Economic Development Director Laura Carstens, Planning Services Manager Sue Czeshinski, Convention and Visitors Bureau Rick Dickinson, Greater Dubuque Development Corp. Jerry Enzler, Dubuque County Historical Society David 1 Iockenberry, Platinum Hospitality Group Pauline Joyce, Administrative Services Manager Mike Koch, Public Works Director Pamela Myhre, Economic Development Planner Jim Rix, Platinum Hospitality Group Rich Russell, Building Services Manager Cindy Steinhauser, Assistant City Manager Consultant Team URS Corporation Planning and Urban Design 700 3rd Street South Minneapolis, MN 55415 612-373-6421 Tim Blankenship, AIGA Tim Dreese, ASLA Dale Beckmann Bob Kost, ASLA, Project Manager Andrew Jones, ASLA Bill 'floe, AICD Leland Consulting Group Real Estate Analysis and Market Strategies 694 Gavinrd Street Denver, CO 80209 303-45.8-5800 Bill Cunningham Anne Ricker Environmental Design Group, Ltd. Architectural Planning 5000 Westown Parkway West Des Mines, IA 50266 515-224-4022 Bill Ludwig, ALA Development Advisory Panel Steve Aronow integrated Real Estate Services, ITC 901-755-8705 Tom Klein New Communities 303-573-3898 Rick Tollaksnn, PE Ilubhle Realty Company 515-243-3228 TABLE OF CONTENTS I. INTRODUCTION II. FINAL DESIGN SUMMARY.. Project Area Map 3 Regulating Plan 4 Thoroughfare Plan 5 Parkway Section' and Plan 6 Street Section 7 Street Section 8 Pedestrian Circulation Plan 9 Built Form Plan 10 Illustrative Plan 11 Aerial View Looking Southeast 12 View Looking East on Sth Street 13 View Looking North at Bell and 5th Streets 14 Phase I Plan 15 Phasing Plan 16 3rd Street Overpass Pedestrian Enhancements 17 Gateway Concepts 18 Screening and Monumentation 19 Monumentation Concepts 20 "Art Park" Open Space Concepts 21 III. DESIGN STANDARDS Applicability '7 '9 Design Review '2 Design Approval Implementation 27 '3 IV. BUILT FORM Minimum First Floor Elevation 73 Building Context and Style '3 Ground Floor Uses '3 Building Setback/Build-to Line '4 Building Height 24 Ground Level Expression 24 Roof Lines '5 Screening of Rooftop and Mechanical Equipment 25 Building Width 'S Facade Transparency 26 Entries '6 Balconies and Terraces 76 Building Materials 27 Architectural Detailing 27 Parking Structures '7 Accessory Structures/Buildings 98 Franchise Architecture v8 Maintenance 28 V. PUBLIC REALM - '9 Sidewalks and Walkways '9 Sidewalk Landscaping '9 Sidewalks on Parkway Streets 30 Sidewalks on Local Streets 30 Walkways 30 Accessibility and Curb Ramps 30 Streetscape Furnishings 31 Public Art 31 Bike Parking 32 Sidewalk Lighting 12 Parking Lot Lighting 32 Parking Lot Landscaping 33 Surface Parking 33 Off -Street Parking Requirements 33 Retusc 33 Fences and Screen Walls 34 Outdoor Storage 34 Outdoor Audio 34 Newspaper Boxec 34 Vending Machines 34 Signs 35 GLOSSARY 3' APPENDIX Design Vocabulary Parking Lot Landscape Concept Bibliography Pre -Development Temporary Fencing Recommended Plant List Streetscapc Furnishings List I. Introduction The MasterPlan for the Port cif Dubuque represents the culmination cif a ten-month community planning and design effort to craft a comprehensive, long term vision and redevelopment concept for the 4th Street Peninsula and the South let I Jarboe The planning process has been directed by the 4th Street Peninsula Work Group, a committee comprised of project area stakeholders and City staff. A variety of committee and public participation opportunities were employed in the planning process including monthly stakeholder luncheons, design workshops, sire tours, regular committee meetings, Cin Council work sessions and a public open house. The plans and development standards have been continuously refined based on the input received during the planning process. A three part process has been utilized in the developmcntof the master plan and design standards: Part One: Physical and Market Analysis Part Two Conceptual Design Part Three: Final Design Parts One and Two were described in ova previous documents. This document focuses un the final design efforts, including the master site plan and the final design standards. Aerial View of Marler Plan II. Final Design Summary The final nester plan is based on a refinement of the previous "Central Green" concept plan. Of the duce concept plan alternatives, this plan was found to be the most expedient and least costly to implement because it closely followed the alignment of the existing major streets as well as many of the current ownership patterns. The plan also provides the most downtown like pattern of interconnected streets and blocks. This proposed arrangement provides a high degree of Ilexibihty and a wide variety of build -out options. Consequently, the plan meets the six primary redevelopment Objectives developed by the work group- • Capitalize on previous and upcoming investment • Provide a complementary mixture of uscs • Build on activity of existing and previously planned uses • Create a pedestrian and transit oriented environment • Use downtown as a model for street and block patterning • Develop the area as a new neighborhood of downtown • Balance creative vision and market demand The overall master plan is organized in a series of interrelated and supportive plan elements: • Regulating Plan • Thoroughfare Plan • Pedestrian Circulation Plan • Built Form Plan • Illustrative Plan • Phasing Plan • Phase I Plan The Regulating Plan designates the types and distribution of new uses. In general, the plan promotes a wide mixture of uses while allowing for market flexibility. Three categories of mixed-use arc proposed for the project. The Mixed Use - 1 designation applies to areas of the project that are bust suited for business and employment oriented uses such as office/showroom, institutional, office and commercial- These use areas are most closely situated near the existing highway and railway systems and the development blocks are upwards of 3 acres in size. Mixed Use- 2 allows the widest range of uses from entertainnsent, office and retail to multifamily residential.' I'hc designated uses are supportive of the other use designations as well as the existing and new attractions. The wide variety of use also provides a high degree of market flexibility Development parcels are in the 2-3 acre range. The Mixed Use - 3 designation is applied to areas along 5th and Boll Strew and is intended to promotes more commercial, main -sweet emuonmenc The design standards support this concept bs requiring that a rniniouum of 600s of the ground Flour arca of buildings facing 5th and Bell Streets be dedicated to business service, retail and restaurant/lounge or cafe uses- Development parcel size is typically two to three acres with the exception of the mimesis owned by the Diamond )o Casino which is a hole over enc. acres. The Thoroughfare Plan designates three sus et twits, parkwass with 73 tont rightsof- way and parallel parking, local streets with 60 tout right -of -hay and parallel parking and local streets ',nth 50 foot rights- of-way without parking. These streets are depicted in the tllustrarivc truss sections. The Pedestrian Circulation Plan illustrates two levels of cuadarion: public sidewalks and trails and semi-public sidewalks ht plan connects the two previously isolated subdue tdcts, South Port and North Port by a new river and harborwalk open space system. Additional pcdestnan open space features include a new ice harbor marina, a central green and a linear art park- The plan also provides for pcderoan circulation improvements to the existing street connections between the Port of Dubuque and the adjacent downtown. Most nobly is the addition of a new sidewalk to be constructed along the north side of the 3rd Streit overpass and an extension of the rivwwvalk across the tap of the Ice Harbor Floodgates. The Built Form Plan illustrates the desired parrern of building forms. The primnary- goal is to bring buildings up to the sidewalk line or near the waterfront and locate new parking areas to the rear and sides 'fbe complete project build -out for both the south and north port areas is depicted in the Illustrative Plan. On the North Port, the commercial and office us s are organized along both sides of Srh Street. Mixed office, commercial and residential uses are organized along the new secondary, local streets. Perspective mews also illustrate the proposed character of new davlopment shown in the plan. Severed areas are designated for sidewalk vendors to operate throughout the year. The plan illustrate conversion of si e i-tig surface parking to new development however, current land values and a high warer table make it impractical to suggest placing the parking underground or in large, multilevel ramps. Recognizing that surface parking will remain a significant use in the project area, design standards were developed to require that extensive landscape and streetscape treatments be incorporated into both existing and new parking areas to make then mom park -like and visitor -friendly. The South Port area suggests an expansion of the Ice Harbor to accommodate a new marina -oriented development. Access between the North and South Ports areas is improved via a new local street connection along the west side of the Ice Harbor. The suggested sequence of implementation is illustrated on the Phasing Plan. The North Port neighborhood is planned to develop over the next seven to ten years followed by the South Port neighborhood. The and project build out fru both the North and South Port areas is anticipated to take approximately 18 to 20 years. d'hc primary focus of the fust phase of redevelopment is illustrated on the Phase I Plan. The plan shows several nae mixed-use buildings and an all -season transit station surrounding a new central green space. The green space is strategically located across from the new Education and Conference Center entry- plaza allowing the City ro use both these open spaces for special events. Conceptual designs were developed fora new 3rd Street overpass entry feature, project identity signs, reusable predevelnpman screening, a public art park or sculpture garden and an extension of the Mississippi Riverwalk along the South Port arca. 2. The designs for the 3rd Street overpass entry feature build on several of the entry monument and signage concepts as well as the industrial and maritime history of the 4th Street peninsula and ice Harbor area. They also provide vertical circulation for pedestrians visiting the National Mississippi River Museum and Aquanaut. The plan also calls for new decorative treatments to be added to the 3rd Street overpass structure including a D -foot wide walkway along the northerly side. Other aesthetic improvements include replacing the chain link pn)tective barrier with ornamental guardrail and repainting the steel under srrucmre and existing decorative lights in dark gray and black to match the other proposed srreetacape elements. Several conceptual design alternatives have been developed for monumentation and project signage. These are intended ro illustrate a range of vertically oriented ideas to capture attention from a range of distances. The designs utilize local limestone, painted metal and a variety of lighting effects. 1ll'���01 iHi lllldl II'I�� k _I qll flu 3rd 5t. Onrpar NortLddx IlvuLtauf Comp pl Project Area 4th Street Peninsula and South Ice Harbor Master Plan 3. Regulating Plan The Port of Dubuque Master Plan 4. 0 000 200 400 NORTH I® 0 400 NORTH 50 Fool Pow - 60 Fool PO w Si it FootRO.w Thoroughfare Plan The Port of Dubuque Master Pian 5. Bell Street "Parkway" -41:11 igtt elnpait dei Local Street 0 10 20 Feet Street Section The Port of Dubuque Master Plan 7. Local Street with No Parking i 1 Street Section The Port of Dubuque Master Plan 8. I 0 10 20 Feel 1 I I II SII IIS 111111111 1 0 100 200 400 NORTH is Pub& Sidewalks and Trails +0.+iR Semi -Public Sidewalks Pedestrian Circulation Plan The Port of Dubuque Master Plan 9. Built Form Plan The Port of Dubuque Master Plan 10. 1 IIII II I o 000 zoo 400 NORTH 1 1 0 0 00 200 400 NORTH Illustrative Plan The Port of Dubuque Master Plan 11. •:. URS IgivaText c. • 101K, ea -A tar Aerial View Looking Southeast The Port of Dubuque Master Plan 12. View Looking East on 5th Street The Port of Dubuque Master Plan 13. View Looking North at Bell and 5th Streets The Port of Dubuque Master Plan 14. lier'rssissippi Rolle! 0 00200 IL\ W' 400 NORTH Phase I Plan The Port of Dubuque Master Plan 15. Phasing Plan The Port of Dubuque Master Plan 16. IIIIIIIII o im 20o ado NCF➢1 Overpass Fence/Pedestrian Walkway Section Overpass Ornamental Fence Elevation Option A eYeYeYeYeYe tYeYeYeyeYedYeYeYdYeYt cYY eeYeYeYe. OftYeYgYeYe eYeYeYeYtYe eYeYeYe_Y Yt l)eY<.Y<YeYeYtYteY<YeYcYcYe eY<YeYeYeYe OfOrOrY<Ye tIlillIh1l1,1! ,11111l11ll�l I' IIIIJ'IliiiB1IIIIII'IdI14101 a „ nm! 1,1I11i'"!111 htlil111U IIun II Ic'dllfl lll;IIIIIIIIII IIIIIIII IIIIIIIIII IIIIUI IIIIIIIitillll lllllliiitlnl iu ii l rence / Peoestrran Walkway Photo of Existing Overpass Overpass Ornamental Fence Elevation Option 13 3rd Street Overpass Pedestrian Enhancements The Port of Dubuque Master Plan 17. Gateway Concept Using Stairway Connections Gateway Concepts The Port of Dubuque Master Plan 18. Gateway Concept Using Ramp Spirals Existing Conditions Proposed screen concept Proposed translucent "scrim" with Port theme graphics, 10 ft. high + Pre -development Site Screening Concepts Entry Monument Concepts Screening and Monumentation The Port of Dubuque Master Plan 19. Concept 1. Concept 2. Night View Concept 3. Kiosk Concept 3 Monumentation Concepts The Port of Dubuque Master Plan 20. Concept 3. Night View Concep 4. Illustrative Sculpture Garden Plan Sculpture Garden Location Map Illustrative Sculpture Garden Section/Elevation Art Examples in Park Settings 'Art Park' Open Space Concepts The Port of Dubuque Master Plan 21. Port of Dubuque DESIGN STANDARDS Adopted March 4. 2002 III. DESIGN STANDARDS The design standards for the Port of Dubuque have been developed to ensure that new and existing facilities work together to create an attractive, high quality, pedestrian -oriented urban neighborhood for visitors, residents and workers. These standards are both prescriptive and descriptive in nature. They prescribe specific minimum requirements for elements such as parking lot landscaping and signage as well as describing parameters for the design of new buildings and the remodeling of existing buildings. A pictorial "design vocabulary" is included to provide a set of "good" examples. Many of these images are of facilities from the Dubuque metropolitan area. Failure to comply with these design standards and procedures constitutes a violation of the Ice Harbor Urban Renewal District Plan, adopted March 4, 2002. Applicability These design standards apply to the following: • New and existing parking facilities • New buildings and vessels • New site development • New public and private open space • All sites. exclusive of their existing buildings or vessels, and including parking. outdoor storage and perimeters • Painting of 25% or more of existing building exterior • Remodeling/renovation of existing building or vessel exterior which requires a building permit (exclusive of roof repair) • Interior remodeling/renovation of 50% or more of existing building floor area • Renovations of existing sites • Expansions of existing facilities, buildings or vessels which require a building permit With respect to existing facilities, the intent is to tailor the application of the standards proportionately to the degree of the change proposed. The greater the degree of change. the greater the degree of compliance that will be expected. Minor improvements may be made to existing uses without costly upgrades or a complete makeover of the site. Design Review All property owners amUor developers shall meet with a representative from the Cily Planning Services Department to discuss the interpretation and application of these design standards to existing sites and any prospective projects to which these design standards apply. Following this meeting, all compliance projects. improvements. additions and new facilities including proposed parking strategy shall be described in narrative text and illustrative engineering and architectural drawings, including the following: • Colored hoot and side building elevations (1/4" scale min.) • Colored illustrative site landscape plan (1:30 scale min.) • Dimensioned site plan (1:30 scale min.) • Dimensioned site lighting plan (1:30 scale min.) indicating proposed illumination patterns and light levels • Dimensioned architectural plans, including building elevations, cross sections, floor plans and details • Exterior construction materials samples, including brick, stone, glazing. windows and doors, signage materials, fencing, etc. These application materials shall be submitted as a complete package to the Planning Services Department. Incomplete applications will not be processed. Applications will be reviewed by the 4th Street Peninsula Work Group, who will provide a recommendation to the City Manager. Design Approval Design approval. based on a review of the application materials identified above, will be issued by the Cily Manager. A building permit will not be issued by the Building Services Department until such approval is given in writing. The following new facilities have been subject to comprehensive design review by the City and members of the 4th Street Peninsula Work Group: • National Mississippi River Museum and Aquarium • Grand Harbor Resort and Walerpark • Mississippi River National Education and Conference Center These facilities forth the core of the America 1 River project and are considered "icon projects." In many respects, they have raised the bar and set a level of design integrity and construction quality that are the foundation of these design standards. As such, these facilities are exempt from the Built Foran section of these standards. Implementation Application of these design standards to new facilities shall be effective as of March 4, 2002. Application of these design standards to existing facilities shall be effective as of March 4, 2002 and shall be implemented according lo the following 18 month schedule'. 0-6 months Conduct property review meeting with the Planning Services Department. 6-12 months Submit necessary plans and information describing compliance plans and improvements to the Planning Services Department. 12-18 months Complete necessary modifications and improvements. The Cily Manager may modify the schedule or application of these standards. A property owner who is aggrieved by the City Manager's decision may apply to the City Council for review thereof. The City Council may then modify the schedule or the application of these design standards. 22. IV. BUILT FORM Minimum First Floor Elevation To ensure that development is built consistent with district -wide storm water detention parameter, the minimum first floor elevation of all new buildings and structures shall be set at an elevation of at least 605.5 feet. 23. Building Context and Style New buildings should relate to the traditional buildings common in the downtown. This can be achieved by maintaining similar setbacks, building scale and height, cornice lines, fenestration patterns, architectural styles and details, building materials and colors. The prevailing building vocabularies in downtown Dubuque are traditional "main street" style commercial structures up to four stories; five to ten -story office buildings with ground floor commercial uses designed in a variety of classical revival styles; mid -rise, warehouse style manufacturing facilities; and residential row houses up to four stories, predominantly in French and Italian revival styles. Although new buildings may be designed in a variety of styles, they should draw upon the design features found in existing, exemplary downtown structures. These features are illustrated in the Design Vocabulary in the Appendix. Ground Floor Uses In order to promote street life and pedestrian activity, at least 60% of the ground floor frontage facing Bell Street and 5th Street shall be comprised of commercial, retail, entertainment, restaurant or business service uses. Building Setback/ Build -to Line New buildings shall meet the defined public sidewalk line except for small setback areas (10-15 feet in depth) to create entry courtyards, patios, or outdoor seating, dining and gathering areas. New residential buildings shall be set back from the public sidewalk line or right-of-way a minimum of 10 feet and a maximum of 20 feet to provide semi -private transition space between the public street and the hent entry This transition space shat be landscaped. See Sidewalk Landscaping. Setback along sidewalk line to provide nifty court and outdoor seating area. Building Height Building heights shall vary based on their proximity to the water front, with taller buildings located adjacent to the river and the (harbor to capitalize on views and maximize land values. Waterfront • New buildings adjacent to the lee Harbor or Mississippi River shall be a minimum of 3 stories (36 feet) and a maximum of 10 stories (112 feet) in height. Non -waterfront • In general, non -waterfront buildings shall be a minimum of 2 stories (22 feet) up to a maximum of 10 stories (112 feet) in height. • New freestanding restaurants and office -showroom buildings may be of one-story construction and shall be nu less Than 22 feet in height to the top of die front and side cornice lines. • Any new building located across Bell Street from the Education and Conference Center shall not obscure the view of the donne of the historic County Courthouse as viewed from inside the central corridor of the Education and Conference Center. Single story building with 2 story cornice height. Ground Level Expression In commercial, office and mixed use buildings. the ground floor shall be distinguished from the floors above by the use of one or more of the following elements: horizontal banding an intermediate cornice line, a change in building materials, an awning or an arcade. Examples of effective differentiation between ground floor and upper levels. 24. Roof Lines Flat roofs are the most conunon and traditional roof form. New buildings should use Oat roofs. although gable, hip or traditional mansard roofs are permitted. On Rat roofs, rooftop terraces, decks and gardens are encouraged, to provide views to the river and cityscape and improve the view from taller, adjacent structures. Arbors or other roof top structures may be exempt from height restrictions if they meet the following conditions; • A maximum height of 12 feet above the roof deck • A setback from all building facades fronting a public street of at least 10 feet or equal to the structure's height, if greater • Enclosed structures shall cover no more than 20 percent of the roof area • Arbors or other vertical "open" structures shall cover a maximum of 80 percent of the roof area Rooftops developed as usable ou door space. 25. Screening of Rooftop and Mechanical Equipment All mechanical equipment shall he screened from street frontage view with materials that are architecturally compatible with the primary building facades. Screening provided by the roof structure or by other architectural elements is preferred. Rooftop equipment may also be screened by a smaller accent roof or enclosure. If this structure is set back from the primary facade a distance equal to its height, this structure may exceed the building height limit. Building Width Nonresidential buildings more than 30 feet in width shall be divided into smaller increments through articulation of the facade. This can be achieved through a variety of techniques such as the following: • Divisions or variations in materials (although materials should be drawn from a common palette) • Window bays • Separate entrances and entry treatments or porticos • Variation in roof lines • Awnings • Variations in brick or stone work • Colonnade or arcade Examples of rooftop equipment screening. Large buildings effectively broken down hi smaller pedestrian scale Increments. Facade Transparency Entries Where commercial or office uses are located on the ground floor, a minimum of 25 percent of the ground level facade fronting a public street and a minimum of 20 percent of the ground level side and rear facades shall consist of either windows or doors to allow views into and out of the building's inferior. A minimum of 15 percent of the front, side and rear facades of all upper Boors of office uses shall he transparent via windows and/or balcony doorways. A minimum of 10 percent of the front facade of all upper floors of rnmmerciat, retail, restaurant and entertainment uses shall be transparent via windows and/or balcony doorways. Effective use ofgmund level and upper level transparency: The main entrance shall always face the primary street or street corner with secondary entrances to the side or rear. The main entrance of commercial, office, and mixed-use facilities shall be placed al sidewalk grade. V1411 defined and accessible entryways benefit visitors and business owners. Balconies and Terraces Upper floor balconies and terraces are encouraged to provide opportunities for outdoor activities, providing views and enlivening the port area. Balconies fronting public streets may project into the public right- of-way/sidewalk zone a maximum of 5 feet. Balcony supports such as columns or posts are not permitted in the public right- of- way Under no circumstances may balconies project into the travelway. Terraces and balconies enhance public safety and enliven the streetscape. 26. Building Materials Buildings shall be constructed of authentic, long-lasting materials such as concrete, wood or steel and dad in brick, stone, stucco, and/or architectural metal. Accent materials may concde rete, s architecte ural metal trim and panels, glass block, pre-cast concrete block, or similar decorative or unique materials. EFIS or stucco shall comprise no more than 20 percent of any building exterior and shall be located a minimum of 3 feet above grade to prevent discoloration from rain, snow etc. Wood or synthetic wood lap siding may be used on residential building types only, up to a maximum of 20 percent of the first story and 50 percent of the upper stories. The following building materials and building systems are prohibited: • unadorned or painted standard concrete block • pre -fab "tilt -up" concrete wall panels • vinyl, aluminum or fiberglass panel and lap siding • highly reflective or non -transparent glass • standard, 3 -tab, 270 Ib. asphalt shingles • manufactured metal pole -barn type facilities Limestone and fare brick are commonly used building materials in Dubuque. 27. Architectural Detailing Architectural detailing is encouraged to enliven building facades, and to establish a human -scaled. pedestrian supportive environment. Architectural design shall he sensitive to the massing and proportion of adjacent structures and reflect or compliment the detailing of surrounding buildings, such as lintels, cornice lines, balconies and decorative brick or stone work. Parking Structures Parking decks and ramps shall he designed in compliance with these design standards in order to appear compatible with and similar to other nonresidential buildings: • The ground floor facade abutting any public street or sidewalk shall be designed and architecturally detailed to resemble a commercial/office building. • Where possible, the ground floor abutting a public street or sidewalk should include commercial or office uses. • The design of upper floors shall ensure that sloped flours do not dominate the appearance of the facade. • Windows or openings shall be provided that echo those of nearby buildings and the Design Vocabulary: Parking strurtum with commercial storefronts. Accessory Structures / Buildings Use of an accessory structure or accessory building for new nffce, commercial service and residential facilities is prohibited These facilities shall include a sufficient amount of storage space for the suitable storage of such things as refuse, seasonal maintenance equipment, special event equipment, housekeeping supplies, etc. New freestanding restaurants, mixed use facilities which include commercial food service or restaurants over 1,500 gross square feet may locate their refuse containers in an accessory structure or accessory building. The design of the accessory structure shall be in character with the principal building and constructed of the same quality permanent materials as the principal building. The accessory structure shall be located on the same lot and within close proximity to the principal structure. Where such buildings exceed 200 square feet in area, at least 1/3 of the building's exterior perimeter shall be landscaped with ornamental trees and shrubs. Existing accessory structures which do not meet these standards shall either be removed, replaced with a suitable structure or remodeled using the same quality materials as the principal building. Remodeling may include but not be limited to such things as construction of brick, stone, architectural metal or decorative CMU walls, decorative metal gates and evergreen landscape screening. Compatible accessory structure. Franchise Architecture Franchise architecture (building design that is trademarked or identified with a particular chain or corporation and is generic in nature) is prohibited. Franchises or national chains must follow these guidelines and use the Design Vocabulary to create a unique building that is supportive of the overall urban context being established at the Port of Dubuque. Typical franchise architecture - unacceptable. Acceptable franchise design utilizing contextual, commrmity-specific atria Sure. Maintenance All facilities, including vessels, within the Port of Dubuque shall exhibit an exceptional standard of care and quality of appearance. To that end, all properties (buildings, parking lots, landscaping, etc.) shall be maintained in excellent repair at all limes including but not limited to: Exterior materials Exterior paint Windows and doors Awnings and canopies Roofing systems Eaves and cornices Chimneys Mechanical and electrical systems Exterior walkways Surface or structured parking facilities Exterior lighting Automatic landscape irrigation systems Trees, shrubs, flowers, lawns and mulch material Building and site signage Fences and screening or retaining walls Facilities shall receive regular maintenance with replacement and repairs budgeted and scheduled over the life of the facility. Minor building and site repairs shall be made as soon as reasonably possible (within maximum of 30 days) after the discovery of a malfunction, failure or noticeable deterioration Major building and site repairs shall be made as soon as reasonably possible after the discovery of a malfunction, failure or noticeable deterioration. Unhealthy or dead landscape plantings and lawn shall be removed as soon as reasonably possible (within maximum of 7 days) and replaced with suitable new plant matmials at the earliest practical time (within maximum of 9 months) based on the appropriate season. 28. V. PUBLIC REALM Sidewalks and Walkways Pedestrian accessibility and continuity shall he provided throughout the area. Continuous sidewalks a minimum of 5 feet wide shall be provided along all public street frontages. Clearly defined and lighted pedestrian walkways shall extend between parking areas and all building entrances. 29. Sidewalk Landscaping Street trees shall be planted within a landscaped parkway of in tree pits within the sidewalk area according to City standards. Sheet trees shall be spaced between 30 and 40 feet apart. Street trees planted within the sidewalk area shall he planted using the latest, most advanced horticultural techniques such as `CU Structural Soil; drip irrigation, etc. Where buildings front the sidewalk (such as commercial, office and mixed use facilities) planter pots, planter poxes or hanging planter baskets shall be included and integrated into the buildings' design to provide seasonal color and enhance the pedestrian experience. Where present, all front yard areas shall he landscaped with trees, shrubs, ground cover, and turf grass. Sidewalks on Parkway Streets Public sidewalks on parkway streets shall be a minimum of 8 feet wide, and constructed of integrally colored concrete, scored in an alternating band and panel arrangement and textured with both a smooth and medium broom finish. Joints shall he troweled, not saw cut. As parkway streets, Bell Street and Fifth Street have an expanded right-of-way width and serve as collector streets. This provides for wider parkways to accommodate wider sidewalks, as well as landscaping and streetscape furnishings. (see cross sections of streets in Master Plan) txy.T eRn[sn PHI -SA Sidewalks on Local Streets Public sidewalks on local streets shall be a minimum of 5 feet wide and constructed of concrete. The surface shall consist of a stiff broom finish center field surrounded by smooth steel -(roweled edge bands. Joints shall be troweled, not saw cut. Walkways Walkways in parking areas, around buildings or on private properties shall be a minimum of 4 feet wide and constructed of either colored concrete or brick pavers. Bituminous walkways are prohibited. r.ttA'.M e.YLOOh1 FNISH Accessibility and Curb Ramps All sidewalks and walkways shall meet the Americans with Disabilities Act (ADA) standards for accessibility eVhere curb ramps are provided, they shall comply with City standards and shall direct pedestrian flow in a continuous manner. They shall be constructed of integrally colored concrete, scored in a one- foot - square grid pattern and textured in a stiff broom finish. Erpanded full corner cu b ramp for use at high pedestrian traffic areas. 30. Mti Mt_t.1.,,SIN 0.0" 1 51-0 Accessibility and Curb Ramps All sidewalks and walkways shall meet the Americans with Disabilities Act (ADA) standards for accessibility eVhere curb ramps are provided, they shall comply with City standards and shall direct pedestrian flow in a continuous manner. They shall be constructed of integrally colored concrete, scored in a one- foot - square grid pattern and textured in a stiff broom finish. Erpanded full corner cu b ramp for use at high pedestrian traffic areas. 30. Streetscape Furnishings Public rights-of-way within the Port of Dubuque will be designed to provide visitors (pedestrians, bicyclists and motorists) with a safe, convenient, comfortable and attractive environment to circulate through and inhabit. The public streetscape will serve as an outdoor room where social discourse and exploration combine with vehicular access and mobility. To that end, a family of attractive, durable, benches, litter receptacles, bike racks, directory kiosks, and light fixtures are proposed to be located along the streets, parking areas and parks and plazas. See Appendix for product descriptions. Public Art The use of public art to enliven and enrich the public and semi- public realm is encouraged. Consideration should he given during the site planning and project review phases to incorporating works of public art into the overall design of a particular development project. Proposed public art works shall be subject to the same review and approval procedures as for other projects described herein in these standards. See Applicability. Outdoor Cafe Table and Chair' Parking Lot Lighting 31. Painted Metal Dhven Seat Bench Litter Receptacle 1 Painted Metal Bench Artist Carved Granite Bench Mad Bench Artist Cast Utility Cover Litter Receptacle 2 Bike Parking Bike loops for parking at least 3 bicycles shall be provided within 20 feet of the main entry of cmnmercial, mixed-use and public buildings. Painted bike loops Sidewalk Lighting Public sidewalks and private walkways shall be illuminated with pedestrian scale light fixtures (12 feet tall). Illumination shall be provided by metal halide lamps arranged to produce a fairly even distribution of Tight at levels of approximately one footcandle. See Appendix for light fixture information. Single globe street and walkway light. Parking Lot Lighting AB surface parking Tots shall provide a generally even illumination pattern with an average illumination of three to five footcandles- ilirunination shall be accomplished with a combination of commercial grade parking lot and pedestrian style fixtures. Pedestrian fixtures shall be used for lighting internal parking lot walkways while parking lot fixtures shall be employed to illuminate parking bays and drive aisles. The commercial grade parking lot fixtures shall be comprised of circular "hat -box" or 'hockey puck" style luminaires in either single or double sets, attached to 25 foot tall, tapered metal poles by horizontal arms. Fixtures shall utilize metal halide lamps. New light poles located within parking bays shall be mounted on 2 foot high, limestone patterned, integrally coloied concrete bases. Double luminaire -hatbox" parking lot light on limestone patterned concrete base. 32. Parking Lot Landscaping A landscaped buffer strip at least 7 feet wide shall be provided behveen all surface parking areas and the sidewalk or street. The buffer strip shall consist of shade trees, low shrubs and/or perennial flowers (3 feet hs height max.), and a decorative metal fence no more than 4 feel high supported between decorative masonry columns. Landscaped earth berms are not permitted and shall not substitute for the landscape screening described above. Use of bio- filtration methods of landscape and drainage design are encouraged.* A landscape buffer at least 7 feet wide shall be provided along the rear and sides of all surface parking lots. This area shall be planted with shade trees, coniferous trees, and a continuous 4 foot tall shrub border or hedge of deciduous and/or evergreen shrubs. Parking bays in excess of 11 spaces in length shall he divided by intermediate landscaped islands at intervals of 11 spaces. For single parking bays, landscaped islands shall provide at least one parking space of landscape area (9 x 18 feet) and shall be planted with one ornamental/dwarf tree, low shrubs, perennial flowers and/or ground cover/ornamental grasses (3 feet in height max ). For double parking bays, both the end landscaped islands and the intermediate landscaped islands shall provide a double parking space of landscape area (9 x 36 feet) and shall be planted with one shade tree or two ornamental/dwarf trees, low shrubs. perennial flowers and/or ground cover/ornamental grasses (3 feet in height max.). All new parking lot landscaping shall comply with City standards, be mulched to a depth of 4 inches with a high quality, finely shredded hardwood mulch and shall be watered by an automatic, underground irrigation system. See Appendix. 33. Surface Parking Off-street parking lots shall be designed and constructed utilizing civil engineering "best practices." At a minimum, surface lots shall be paved with asphaltic concrete over a compacted aggregate base with edges and planting islands defined by concrete curb and gutter and parking spaces defined with painted striping. Parking on gravel, dirt or unreinforced turf is prohibited. Off-street parking shag be located to the rear andr'or side of buildings Front -yard parking is permissible only along a maximum of 20 percent of the total site frontage. When parking or parking access must be located in the front yard, a landscaped buffer shall be provided. See Parking Lot Landscaping. mples of well landscaped parking areas. Off -Street Parking Requirements The intent of this section is to provide flexibility in the determination of the number of off-street parking spaces required to meet the minimum needs of each proposed building or use while taking into account the efficiencies inherent in the differing peak demand requirements of these uses and the overall sharing of parking facilities between uses. Furthermore, it shall be understood that there are existing shared parking agreements In place which may require amending in order to accommodate and facilitate the addition of new buildings and uses. The number of off -sheet parking spaces required for each building or use shall be determined through the design review process for each individual project. Refuse Outdoor placement of freestanding dumpsters or recuse containers is prohibited. Refuse shall be securely stored and enclosed as part of the principal structure, and contained and disposed of in accordance with applicable state, county and city health, safety and environmental codes. Use of sealed compactors is encouraged. Where food service/restaurant kitchen refuse storage is not accommodated as part of the principal building, refuse storage is permissible in an accessory storage enclosure. See Accessory Structures/Buildings. .. LANDSCAPED w"n P� 0006.E BAY Ma FP I2111 IP Example of adequate parking 10 landscape layout. Decorative fence between public sidewalk and parking. Fences and Screen Walls All fencing and screen walls shall be designed to incorporate intermediate structural components in order to avoid a "front' and "hack" side. Fencing and screen walls shall be attractive from all views. Residential Uses Fencing placed in front yard areas between the sidewalk and the building shall be tip to 42 inches in height. The following materials are acceptable in hunt yard locations: Painted architectural metals, including heavy gauge metal mesh in a square or rectangular configuration, with a painted metal Frame. Fencing may be mounted on decorative masonry wall of Krick, stone, or architectural precast concrete units. Total height of wall and fence shall not exceed 42 inches. Masonry walls shall be of durable, permanent construction. Dry -laid or stacked construction is not permissible. Unacceptable materials for front yard residential uses include: • Wood fencing of any kind. • Chain link fencing. • Fiberglass or plastic pickets or panels. Rear or side yard areas may have privacy fencing up to 6 feet in height. Acceptable materials for rear and side yard residential uses include: • Solid wood board panels of rot -proof lumber such as cedar, teak, or treated pine. Decorative wood lattice may occupy the top portion of the fence up to a maximum of 18 inches. • Painted wood or plastic picker fencing. • Any of the acceptable front yard fence and/or wall materials. Unacceptable materials for rear and side yard residential uses include: • Chain link fencing. • Fiberglass or plastic panels. • Plywood or chip board panels. • Corrugated or sheet metal panels. Office and Commercial Uses Decorative fencing for office and commercial uses in areas facing the primary street such as entry courtyards or outdoor seating areas, may be located between the building and the sidewalk. Fencing in these areas shall be limited to the following: • Painted architectural metals, including heavy gauge metal mesh in a square or rectangular configuration, with a painted steel frame. • Fencing may be mounted on decorative masonry wall of brick, stone, or architectural precast concrete units. Total height of wall and fence shall not exceed 42 inches- Masonry walls shall he of durable, permanent construction. Dry -laid or stacked construction is not permissible. Unacceptable materials for front areas of office and commercial uses include: • Wond fencing of any kind • Chain link fencing. • Fiberglass or plastic pickets or panels. • Corrugated or sheet metal panels. Commercial or olllre fencing examples. T' Residential fencing examples. Pre -Development Temporary Fencing Existing uses that require screening for outdoor storage and mechanical equipment shall be a minimum of 8 feet in height, with a maximum height of 10 feet. Acceptable materials include: • Solid wood panels - painted or stained and sealed. • Fabric (See Appendix for product listing). Unacceptable materials for temporary screening include: • Chain link fence. • Fiberglass or plastic panels- • Corrugated or sheet metal panels. See Parking Lot Landscaping for fencing in parking lot areas. Outdoor Storage Outdoor storage of any kind including vehicles, raw materials, etc. is prohibited. Seasonal equipment, supplies, etc shall be either stored within each facility or within a permanent accessory structure. See Accessory Structures/Buildings. Outdoor Audio Music, public address announcements and other forms of outdoor audio are discouraged. Sound shall be contained within the site boundaries. Outdoor music or other forms of outdoor audio associated with special events shall be controlled by the City's regulations for special events. Newspaper Boxes Newspaper dispensing units shall be clustered in small groups (2 or 3) and be ground -mounted, not chained or strapped to other streetscape elements. Vending Machines Outdoor placement of vending machines including but not limited to beverages and snacks is prohibited. Vending machines shall be located indoors. 34. Signs Building and vessel signs shall be architecturally compatible with the style, composition, materials, colors and details of the building or vessel. Signs shall be an integral part of the building and site design. A comprehensive sign program shall be developed for buildings or vessels which house more than one business. Signs shall be compatible with one another. No more than two types of signs shall be used on a single building facade or vessel (i.e. wall signs, projecting signs, awning signs). Sign Location: Wall signs on commercial or mixed-use storefront - type buildings shall be placed within a "sign band" immediately above the storefront display windows or entryway. Wall signs on other building types shall be placed where they do not obscure architectural features. Sign Materials: Sign materials shall be consistent or compatible with the construction materials and arddtectmal style of the building facade on which they are to be displayed. Neon signs are pemassible for display windows. Sign Illumination: Both internal and external illumination of signs, except for awnings, is permissible. 35. The following sign types are prohibited: Pole or pylon signs Billboards Internally illuminated awnings Flashing and rotating signs Portable signs Search lights Audible or musical signs Roof signs The following sign types are permissible: • Non -illuminated awning signs • Canopy or marquee signs • Wall signs • Projecting signs • Window signs • Freestanding ground/monument signs • Freestanding non -flashing, electronic information or message signs' "Limited to public and institutional uses such as a conference center or museum if incorporated into an overall facility identity sign. Well -coordinated wall and awning signs. Projecting Signs: Maximum dimensions for projecting signs: 9 square feet, with a clearance of at least 8 feet from ground level, projecting no more than 3 feet from the side of the building. Maximum: 1 per business. Window Signs: Window signs shall cover no more than 10 percent of the window area. Directional Signs: Directional signs shall be limited to 6 SF per sign and allowed as needed subject to the overall review and approval of a comprehensive sign program. Freestanding Ground/Monument Signs: Freestanding ground/monument signs shall he limited to use by commercial and institutional establishments such as hotels, restaurants, gas stations, museums, etc. Sign design materials, colors and detailing shall be similar to those of the principal building. Maximum dimensions for ground/monument signs: Maximum height.: 20 feet Maximum structure area any one side: 135 SF Maximum structure total area all sides: 460 SF Maximum sign area any one side: 75 SF Maximum total (aggregate) sign area per premises: 250 SF Maximum number: 1 sign per premises Electronic Message Signs: Maximum number: 1 sign per facility. Maximum sign size: 75 SF Wall Signs: Commercial/retail wall signs: Maximum sign area per use or occupant: 50 SF Maximum number: 1 sign per business Maximum aggregate sign area per premises or building Wall signs shall he limited to no more than 3 colors Vessel Signs: Maximum sign area: 10% of vessel area or 500 aggregate SF whichever is less. Maximum number: No limit, up to aggregate area per vessel. 100 SF Vessel area shall be calculated as length times height of vessel. Height of vessel shall be defined as the mean waterline to the top of the upper deck not including the pilot house. Note: Required US Coast Guard vessel names are excluded from these requirements. Restaurant, nightclub or entertainment facility wall signs: Maximum sign area per use: 100 SF Maximum number: No limit, up to aggregate area per premises Maximum aggregate sign area per premises or building: 400 SF Hotel, gaming and institutional or public building wall signs: Maximum sign area per use: 250 SF Maximum number: No limit, up to aggregate area per premises Maximum aggregate sign area per premises or building: 500 SF Cinema and theater signs: Marquee sign: maximum 3 sides, maximum 300 SF of changeable information area plus 150 SF identity signs for a maximum aggregate area of 450 SF Maximum size of wall sign: 32 SF Maximum aggregate sign area for all wall signs per premises (not including marquee): 64 SF 36. GLOSSARY Accessory Building: A subordinate building, located on the same lot as the main building, or a portion of the main building, the use of which is clearly incidental to and customarily found in connection with the main building or principal use of the land. Arbor: A rooftop or garden structure which provides shade. Arcade: A roofed passageway, usually with shops on one or both sides. Building Frontage: The front facade of a building, typically abutting the sidewalk. Cornice: Any projecting ornamental moulding along the lop of a building or wall. Eaves: The underpart of a sloping roof overhanging a wall. EFIS (Exterior Finish Insulation System): A coating of cementitious, stucco -tike material over rigid insulation. Entertainment Facility: A business engaged in the provision of legal activities or performances for the enjoyment of the public. Franchise Architecture: Building design That is trademarked or identified with a particular chain or corporation and is generic in nature. Infill Building: A new building sited within an established neighborhood, often between two existing buildings. isjtitifejtjtrjj 37. New Building: In addition to actual new buildings, the term "new building" shall include any expansion of an existing building that equals or exceeds 50 percent of the original building's Boor area and shall also include buildings which are the subject of substantial material and comprehensive renovation. Parapet: A low, decorative wall or railing along the edge of a roof. Gable Roof: A pitched roof with a central ridge line and vertical wall ends. Gambrel Roof: A roof with a double pitch terminating in a small gable at the ridge. Hip Roof: A pitched roof with sloped instead of vertical ends. Mansard Roof: A pitched roof having a double slope, the lower pitch being longer and steeper than the upper. Office/Showroom: A product display or showroom facility with two primary uses: office and showroom/display space. Storage. light assembly or shipping and receiving may occupy no more than 20% and office use may occupy nu more than 75% of the facility's gross floor area. Primary Facade: Thefarade fronting a public street. In the case of corner buildings, the primary facade fronts the highest classification of street. Renovation: 1) Any exterior remodeling and/or site alteration of 25% or more of any existing vessel, commercial, office, multifamily or institutional building or structure; or 2) any exterior remodeling that clearly alters the appearance of such a building of structure, including change in exterior paint color or material; or 3) any interior remodeling of 50% or more of existing building floor area. Service Commercial: Commercial uses that are primarily oriented to service rather than retail sales. such as barbers, photocopying, photo development, dry cleaners, shoe repair, etc. Sidewalk Line: The outer edge of the sidewalk. where the front facade of a storefront building is typically located, Storefront Building: A commercial building located at the sidewalk line, with display windows and principal entry on the ground floor facing the sidewalk. Storefront buildings typically include traditional elements such as a sign band above the storefront. a transom, a recessed entry and a kickplate as a base to the storefront. Streetscape: The public right-of-way, from building face to building face, occupied by the street, parkway sidewalk and pedestrian amenities such as lighting, benches, bike racks, etc. Urban Context Building Massing & Proportion Materials & Color Building ornamen & Detail gn Vocabulary tM Entries Windows Building Signs & Awnings Site Signs ign Vocabulary Street & Sidewalk Streetscape Elements Streetscape Elements Transit Facilities igu Vocabulary Parking Parking Open Space Open Space n Vocabulary Parking Lot Landscape Concept URBAN TOLERANT SHADE TREES NATIVE GRASSES, SEDGES & WILDFLOWERS COLORED CONCRETE EDGE, 3' WIDTH DIRECTION OF SURFACE DRAINAGE MIN. 2' WELL DRAINED, COURSE PLANTING SOIL 12" SAND BED* FILTER FABRIC 8" PEA GRAVEL LAYER* CORRUGATED - PERFORATED DRAIN TILE TO STORM SEWER * All dimensions are approximate, final design shall be based on design storm event and existing subsurface soil characteristics CONCEPTUAL DESIGN OF VEGETATIVE SWALE FOR PARKING AREAS BUTTERFLY WEED LIATRUS MARSHALL SEEDLESS ASH INDIAN GRASS BLACKEYED SUSAN SWALE CONSTRUCTION � M VEGETATIVE SWALE VEGETATIVE SWALE u ~ ::l ~ '" c :c ~ '2 ~ ~ ... u CL ~ U ~ u U U ~ u Ul -58 ~.~ -g ~.se ~ .......=--<1.> .E ~ ~. ~'=:d"'.~ o"g ~ EU Q.l.$l8.El;! -= ~ Q.,~- ~~o.'Q ..Q;;:.S!-::l_ 1l = ~ ~ ~ ~~."'~~ ~~~~ ~ ~: goT- Q.'- 0 -= '" e! ~'c'~~ :.: ~ "'~'S: ti ~ 2;a ~ .g.::::tig.:=! 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