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HomeMy WebLinkAbout2000-03 - OPH Central Business District Design Guidelines City of Oak Park Heights CENTRAL BUSINESS DISTRICT DESIGN GUIDELINES �,;t ! 'r'0() 4 141 1. PURPOSE AND SCOPE The City endorsed a master plan for the Central Business District in October 1999 in an effort to create a pedestrian friendly, mixed -use district. To ensure that the goals and objectives of the master plan are achieved, the City requested a framework of design guidelines be developed. The Design Guidelines have been developed to shape the City's CBD physical form and to improve the quality and character of new development within this district. The Guidelines have three primary functions: 1) To guide applicants wishing to construct new buildings or parking within the CBD area. 2) To assist the City and the public in reviewing development proposals; 3) To establish a framework for improvements to the City's Public realm — its streets, sidewalks, walkways, and its streetscape and landscape treatments. It is not the intent of the Guidelines to impose a particular architectural style or styles upon new construction within the Central Business District The Guidelines are intended to encourage creativity and diversity within a framework that recognizes and reinforces the City's small town character. Character can be defined as the distinctive features that contribute to the identity of a place. 2. CENTRAL BUSINESS DISTRICT PRECINCTS The master plan prepared by BRW has three precincts within the Central Business District (CBD). These are the public green, residential and mixed -use precincts. These three precincts are interconnected and serve to response to the city's goal of preserving and enhancing pedestrian - friendly CBD. 2a. Public Green Precinct The public green starts just behind Wal -Mart and weaves into the mixed -use precinct. This precinct extends underneath Northern States Power overhead tension wires then southward to the existing pond area. It is anticipated that connection would be made to 58 Street from the pond and Wal -Mart. 2b. Mixed - use Precinct New buildings in the mixed -use precinct should be developed with more than one of the following uses: • Retail • Service • Office Upper floors may be used for any permitted use including housing. 2 I - *t . - - ' - - - - - - - . *-'N". N \ . . - -' N : - -: :ss'. - - - - '''.--..''':\ . ' I: : -.. I 1 j . .. . . .\ f„,"-N_J i ._ 1 7_,_______) z a ' � b ll1ftp — � � i l 1 .c%:- A '-‘4..% WE N ';' \ •--' I - , /1 ( AMR 2 r - � ,1 4 ,,,,..,.,,,,, _.:-,-',"- F 1 ° - v N \� Z i ? !WI c _ . N ! e s . ,,e. & , , a . $ � T ,.o � . - • ` e -___:......_,-_. ....., fr.L.-- —.m......7 -.12.,....- i : ;,R* 1 l' ( ‘: fl � -=- -mss r- Q . POP Ap v a .• •� :w • ` i 2 0?_ ill ntik ffia . . !I� •a a d r�FOc G i` I ' .� Q 9 ' ` \ \\ 9 o _ e \ . i ...,.. , , , 1 0 _..). , _, \\ . , ,,,,/,/ , • ___: /, ),,..„._____ 1/ 1 .. 3 ..,, . / ol. 44 ct 1-1- 1 A g l - - N\ - - / N k (A I , 4, -. 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L � ► t/lst lirilsi`t :NI ` y • I ‘2 : 1 2 1 1 4 k inegt,72::N , A 1 %3-.,I t re, 6 ..,,.. ... -,..- - ----- xi r „ li .1 } Z 0 , sri. 4 �, '�.4 Ei \.flat Q Rs :4' ate+ _ l u m t is�►i.ri{ s 2. a er ia��tr L1. i el ��.. smom t 7----- -,-- N .)./. \■ssa� ��.imi < a U ''`' 2 4; �� ( ci; a .. co r t _-, --r . ---- re, . i t:t 1:3 / 2c. Residential Precinct Residential buildings should be townhomes or row - housing with underground or tuck - under parking. The residential precinct is concentrated around the redesigned pond and some in the mixed -use precinct. 3. BUILDING CONTEXT AND CHARACTER 3a. Public Green Precinct Any structures in this precinct should be of pedestrian scale that could be used for public gatherings and outdoor seating. Building styles, materials and colors should be reflective of the surrounding building context. Areas should also be landscaped with trails, seating and other amenities. 3b. Mixed -use Precinct Buildings should relate to each other and this can be achieved by maintaining similar setbacks, modest building scale and height, cornice lines, horizontal lines of windows and openings, architectural styles and details, building materials and colors. 3c. Residential Precinct The building vocabulary in this precinct should be pitched -roof buildings. Entry porches are required in all townhomes and rowhouse. All front yard areas should be appropriately landscaped. 4. BUILDING SETBACK/BUILD -TO LINE 4a. Public Green Precinct Structures could meet the property line if the overall design would enhance the public use of the greenspaces. 4b. Mixed -use Precinct Buildings should meet the defined sidewalk line, however, small setbacks (10 -15 feet) are encouraged to create courtyards, and outdoor seating and gathering. In areas where parking lot is required, landscaping should be encouraged. Awnings and architectural features may project beyond the setback line into the streetscape areas but should not present a hindrance to the overall pedestrian traffic flow. 4c. Residential Precinct Front yard: Min. 5 feet, max. 15 feet Side yard: Min. 0 feet, max. 5 feet Rear yard: Min. 10 feet, max. 30 feet. 5. BUILDING WIDTH 5a. Public Green Precinct The public gathering structure should be large enough to accommodate a stage, several small offices and public amenities.. No more than 24 feet of continuous building facade is allowed. If a building is more than 24 feet long, its facade be divided into smaller increments to create breaks and variations along the building face. 3 15 1 thou• I El:— ran Max / 3O' x , • 4.V61/DINCo e2Er 4c.4. e 1 +0EJTI PREGIW 1 F -121.4 BR` / 3:89r ■ .- 11. A)0 • \ .- AP• j1 / ; I 4 Or 414 ' / %? 41. 1\ti / I* o " I , � � . ', , '',-/ _yv‘p. / ' .. • -, ,t , , 0 drydb 4 I . il, - -1\213. i . s._ �% 4 , 1 41 . II•lik di l i f ) t .. . • ‘ , N ., t , , ,, Mial . AtCr 1 . 1 v P < t l . . it ..: 4 Ft) 1 L, DIN& 40,67 12.511 ONNT IAl- PI' ZANGT 5b. Mixed -use Precinct and Residential Precinct A building more than 24 feet in width should be divided into increments of no more than 24 feet through the articulation of the facade. This can be achieved through a variety of techniques: • Divisions or breaks in materials (although materials should be drawn from a common palette) • Window bays • Separate entrances and entry treatments, porticoes, • Variation in Roof Lines • Awnings • Building setbacks. The intent is not to make buildings appear taller but rather to break up the monotonous appearance of longer facades. 6. BUILDING HEIGHT AND UPPER STORY SETBACKS 6a. All precincts Building height will vary but should be between 2 and 3 stories high. Where three story buildings are proposed, the following standards apply: • A minimum of 25% of the third story must be set back from the building's front facade at a minimum of 10 feet, or • A maximum of 100%. 7. ROOF DESIGN 7a. Mixed -use precinct Flat roofs with gable or hip roof accents are encouraged and well - detailed parapets should be used on all flat roofs to define the roof line. 7b. Residential Precinct Residential roofs should generally be pitched but a combination of flat and pitched roofs is permitted. 8. ROOFTOP TERRACES 8a. All Precincts Rooftop terraces and gardens are encouraged to improve the view from above. Arbors and other structures may be exempted from height restriction if they meet the following conditions: • A maximum height of 10 feet above the roof deck • A setback from all building facades fronting a public street of at least 10 feet; • Enclosed structures shall cover a maximum of 10 % of the roof area; • Arbors and other open overhead structures shall cover a maximum of 35% of the roof area. 4 k • ir - / 1 Q. Cl .l / ‹i, L - ,C 1 u_E 3 c E- t E,r,:fii _5 - L s 4\ g .... (t- , t or_ I) 41 -, 1) r ---- , - '17.,-.; LEI'i * '1E-1 i i( i \ , __ ; 11:le I t ,, i i , I'L r ,,,. ..„,___, _=, ( ____.. �a(1 i:1 y 9. SCREENING OF ROOFTOP EQUIPMENT 9a. All Precincts All rooftop equipment shall be screened from views from above as well as from below. Equipment screens shall be well shall be well - designed and detailed, using dark or muted colors. If rooftop equipment is screened by the building parapet, the parapet should meet building height limits. Rooftop equipment may also be screened by a smaller accent roof or enclosure. This structure shall be set back from any primary facade that fronts a public street a distance equal to at least 11/2 times its height. 10. FACADE TRANSPARENCY, GROUND LEVEL EXPERSSION AND ENTRIES 10a. Residential Precinct Townhomes /rowhouse should have porches and balcony to identify the front entry and to create character to the buildings. Porches could be covered or opened. Primary entries should face the public street. Secondary entries could be on the side or rear. 10b. Mixed -use Precinct A minimum of 30% of the ground level facade fronting a street and a minimum of 15% of the ground level side or rear facade facing a public right -of -way, parking area or open space shall be transparent (windows and doors) allowing views into and out of the interior. For ground level expression, they shall be distinguished from the floors above by the use of one or more of the following elements: • An intermediate cornice line; • A difference in building materials and detailing; • An awning, trellis or arcade • special window lintels • brick corbels or quoins Entries should be well- designed and detailed as a unique element of each business. Landscaping of entries is encouraged. The main entry, placed at sidewalk grade, should always face the primary street with secondary entry to the side or rear, 11. BUILDING MATERIALS AND DETAILS lla. All precincts Buildings should be constructed of authentic materials such as wood, brick, stone, cast stone or stucco. Accent materials may include metal glass block, copper flashing or similar materials. The following materials are prohibited: • jumbo brick • unadorned or painted concrete block; • pre -fab concrete "tilt -up" construction; • aluminum, vinyl or fiberglass siding, • clear finished wood; • reflective glass • unpainted galvanized metal. 5 1. SGT >`liN6 op /2-00 P EC201PMMT ,)) - He ti/■16 Alf, oFF IGE./ff - 005 /N0' L. -,=„,„7„,: GOM M E-G IA i-/ [I 7 '' i 0 PF-re L. ,, r ti 40.N. • .74.F.:-.......„.,...- % .,: .-... 1 41....-.... 14.. . - 40%. Tools ..,, N 24 )4. ; trjh 5.. t 4V�'' 4. `t Al i : .,�. `i - � i► 4= 12. COLORS 12a. All Precincts Buildings should employ earth tones or muted colors on their facades to limit their obtrusiveness. Light and bright colors should be used only as minor accents. Sloped roofs should be dark in tone. Preferred materials include asphalt or cedar shingles, brown. gray, dark green, or copper standing seam metal roofs and slate roofs. 13. FRANCHISE ARCHITECTURE 13a. Mixed -use Precinct Typical franchise architecture is prohibited. They must follow these design guidelines to create a unique building sensitive to its context. 14. WALKWAYS 14a. Public Green Precinct Walkways and trails in the public green precinct should be a minimum of 6 feet where less pedestrian traffic is anticipated. In areas of high pedestrian traffic a width of 8 feet to 10 feet is encouraged. 14b. Mixed - use Precinct Sidewalks width in this precinct should be at least 8 feet and should be provide along all public street frontages. A narrower sidewalk width, if space does not allow, should extend between rear or side parking areas and building entrances. A minimum width of 6 feet should be maintained. 14c. Residential Precinct Sidewalks in residential streets should be a minimum of 6 feet in width. These sidewalks should be along all public streets. 15. STREET TYPES 15a. Mixed -use Precinct The entry boulevard would be a two -way main roadway with about 120 feet wide right - of -way. It should have 4 travel lanes with a landscaped median. Sidewalk, lighting and street trees would be allowed at either side of the roadway. All other streets would be two -way, two -lane with on- street parking. On- street parking could be parallel or angled. A minimum of 8 feet wide sidewalk is required in all streets other than the entry boulevard. Traffic calming measures such as curb bump -outs at mid blocks and at intersections are encouraged to pedestrian refuge. 15b. Residential Precinct Streets in this precinct would be a two -way, two -lane with on- street parking. On- street parking should be parallel and no angled parking is permitted. 16. SURFACE PARKING 16a. Mixed -use Precinct 6 13 . Fg.A-N6k A fz OH I T 5. c71 F.,6" f. f .,..„..e........„....4..... I --: , , I -, --.-.....--. , ---2-- --- 4 , 1 illi• 1 -;'- , - , - UNr 11 .. , A.7ar.::-., ::::1Th:'::s-'---' .: -,■-:', AI : • a aiir -a' 377 ...:4,;....'14;., :•, .. i. ■ . 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"11 ET TYPE 0 MIXvD - U s e Pie iN -T F-121 4 BRW 3,89m -c d'et 0 V -6,. kft 1 -WI . II .0 ' _. ...ail ,1 111 jilr - f kkit s i . . a*.N as '' \ prim, t ii) A1 Ir------ . 1 Pil 6 S q' 11' t1' , 5 , 6 , Ux1A1.6 . - PAW K T•A EL- Aet• P 69.694 69.694 WAL.g. D V de R tcoHT -oF -WAY 1 5 . 5 ET Ti PE 0 (Z 1 D TI AL.- P -UNGT L _..1 F-121.4 BRW 3.89 --�- 1 . ()42 C.S PAR IN Co . Mil Ilim, _!_I O-% III 1': 1t.:•' i I I I I I I P �; III r �G (i '^ • _Y �t L Q E G a les : ∎� ling ' " 1 . 1 ' • z✓ 1 nma " II '7 h. '1.C. ... i 1X. _ 1!'+ N III f — S ,-. 4__ firs, ., , ,may.. :Istti ll d � i �'T�VL . � Y . s Nat' * } � 1 1 -- • 1=7 ` 4 4 FaY1C-1Yt � ^ 'ti 1 ' ram ,,,g4..1.; a With the exception of the major entry road, all other public streets should have on- street parking. Off - street parking should be located to the rear of buildings. When parking must be located in a side yard adjacent to the street, a landscaped buffer must be provided. Front yard parking is prohibited. On corner lots, staff will determine which yard shall be treated as the front yard. Buildings should be located at corners, rather than parking. 16b. Residential Precinct In residential precinct, front yard parking is prohibited and parking at the side or the rear should be encouraged. Tuck -under parking is also encouraged. If necessary, underground parking should also be encouraged. 17. PARKING STRUCTURE 17a. Mixed -use Precinct If parking structure is required, their design should comply with these design guidelines. The structure should be designed and architecturally detailed like any other commercial or office building especially if the ground floor facade is abutting any public street. It should be required that the ground floor be used as commercial or office space to echo the surrounding uses. Windows and openings should be provided consistent with the surrounding buildings. Landscaping, seasonal or permanent, should be encouraged to soften the design. Sloped floors should not dominate the facade of these structures. 17b. Residential Precinct No parking structure is recommended. Underground parking or tuck under parking under townhomes /rowhouse is encouraged with guest parking on- street or surface parking within the property. 18. STREETSCAPE ELEMENTS 18a. General 18b. Sign Architecturally, they should be compatible with the style, composition, materials, colors and details of the buildings. Signs should be integral part of the building and site design. If buildings house several businesses, a sign program should be developed and located central to all the businesses. This would save space and be easier for users to locate. These sign should be compatible with each other and need not match. If illuminated signs are permitted, only the text and the logo portion of the message may be illuminated. Awnings should not have back lighting. 18c. Sign Location Wall or roof signs on buildings should not obstruct or obscure architectural features. Wall signs should generally be place immediately above the storefront. It is encouraged to define an area on building facade that could be designated as the "sign location precinct ". 18d. Sign Materials and Types Materials should be consistent or compatible with the building materials onto which these signs are to be displayed. Wood, metals and other natural materials are more appropriate 7 17 PA IN(, 'T7 .' . �� z • . / . „_ ,......„---.... 4 , 5 5,1, - 4 t1 i • ���� . • , _ _ _�_� , - �.. t i ,, .-....,.;„ ��''r,,��, �r _ wm� ! , ni - - t om - � �� r Sig! _ .4. • balkirx,re ivt .:. Is hogiflig i .i-A4 s 1...._z_—_- ------....—....„..__... ,,,r, ..2 ,=......, .... .1-1,.....---,_ .. . . .1 iv, :, U1 i TPubld - lAir CCY'A m e)rcA /D f Gi2- a`6pN CA.0 PTi96L ) n y EI Ti ` • fi t s -4,-,„3,..,,... v, '4 ;. 4 1 s y. 1 £ A _ . 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