BelRed Neighborhood Identity

The BelRed Corridor Plan Streetscape Character, Guidelines, and Standards febua ry 2013

Table of Contents 1 Introduction

2

1.1 How to Use This Document

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2 Character of the Corridor

7

2.1 Context

7

2.2 Character

9

3 Public Art Considerations

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3.1 Comprehensive Corridor Recommendations

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4 Conceptual Plans and Development Standards

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4.1 Street Types Overview

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4.2 Corridor-Wide Design Principles

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4.3 Arterial Streets Street Organization Overlooks 120th Avenue NE – Stage 1 120th Avenue NE – Stage 2 120th Avenue NE – Stage 3 and 4 NE 4th Street NE 6th Street Extension 124th Avenue NE NE 15th/16th Street

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4.4 Local Streets

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4.5 Retail Streets

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4.6 Green Streets

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C REDI T S

City of Bellevue ZGF Architects, LLP Tad Savinar

5 Streetscape Elements

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5.5 General Overview Seating: Backless and “Backed” Benches Waste Receptacles Bollards Bicycle Racks Vehicular-Scale Lighting Pedestrian-Scale Lighting Pedestrian Pavement Tree Grates Street Tree Root Zone Protection Newspaper Boxes Power and Signal Cabinets Vault Lids, Manholes, and Grates Wayfinding

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Appendices 79 A Appendix Public Art Considerations B Appendix Workshop Overview C

Appendix Graphic Considerations Graphic Application Examples

D Appendix Detailed Drawings

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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1

Introduction Goal is to distill the character of the BelRed Corridor and guide its expression in the streetscape.

The 2008 BelRed Subarea Plan establishes a vision for the reshaping of the BelRed Corridor into a vibrant and sustainably developed area that accommodates high-technology and other forms of business, provides dense transit-oriented retail and residential development, and restores riparian corridors to provide habitat and open space recreation.

This transformation is spurred by the catalyst of Sound Transit’s East Link Light rail alignment, and guided by a new supplement to the Bellevue Land Use Code, Part 20.25D — BelRed. This new amendment provides guidelines, standards and code requirements for new development in the Corridor, but does not illustrate planned street types nor make specific recommendations about what aspects of the Corridor’s character should be expressed through streetscape design.

Part 20.25D — BelRed identifies a total of five street typologies within the Corridor: Local Streets, Retail Streets, Green Streets, Arterials, and a Transit Boulevard. Transit Boulevard design will be developed under standards produced by the NE 15th/16th Street Project.

This plan, the BelRed Corridor Plan/Streetscape Character and Design Guidelines, addresses Arterials, Local Streets, Retails Streets, and Green Streets. It intended to supplement Part 20.25D — BelRed, and accomplish four primary objectives: • Identify qualities of BelRed’s past, present and future character that can be expressed graphically in certain elements in the street matched with a complimentary palette of materials; • Provide new development with a set of guidelines on how a palette of street elements and materials can express BelRed’s overall character as well as the unique qualities of subdistricts; this expression will occur through unique public art, street furniture, plantings and the configuration of new streets and sidewalks; • Provide new development with a set of physical design templates for Local, Retail and Green Streets, at a block scale, to guide the arrangement of all elements in the district’s rights-of-way; new development will be responsible for construction of much of the district’s new street system as projects are implemented.

• Provide City staff and their design teams with a set of physical design templates for use in the Corridor’s arterials.

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

1.1 How To Use This Document This document addresses four major topics: the establishment of the BelRed Corridor’s character and a design language that conveys that character, a discussion of the role public art will play in creating identifiable, vital places within the Corridor, the development of prototypes for the different street typologies proposed for the Corridor, and specific street furnishing recommendations that are consistent with the Corridor’s character. Specifically: Part 2 makes an assessment of the aspects of the BelRed Corridor’s character that should be expressed as a basis for design in the Corridor’s transformation. These concepts were developed in a series of charrettes with City of Bellevue staff, the Bellevue Arts Commission and the design team. Topics include history, culture, arts, land use, natural features and technology.

Part 3 examines the role public art can play in expressing BelRed’s evolving character.

Along with the expansion of light rail through the Corridor and catalyst projects called for in code, public art and the development of an arts district is seen as a way to jump start the transformation of the Corridor by creating a new degree of vibrancy and community. A study of public art opportunities is presented to identify ways the Corridor’s character may be interpreted and where these interpretations may occur to best initiate transformation of the Corridor and compliment anticipated development.

Part 4 establishes physical design templates for Local, Retail, and Green Streets (as identified in Bellevue Land Use Code, Part 20.25D.140). Each typology provides a statement of design intent, a character illustration, a typical section, a block plan, and precedent photos of similar streets to give the developer a sense of the desired character of that street within the Corridor. These templates are a starting point and may be adapted by developers, with City approval, to fit existing conditions and capitalize on opportunities unique to each development. Part 4 also provides physical design templates for City staff and their design teams to implement in the development of arterials in the Corridor, and includes street-by-street recommendations for the incorporation of specific design treatments.

Part 5 provides a palette of streetscape elements for each street typology that expresses BelRed’s character as described in Part 2. The development of the BelRed Corridor will take place over a number of years, and during that time specific products recommended in this document may go out of production, while other suitable products may be developed. This is intended to be a “living/working” design manual to which specific products may be removed or added over time, in both hard copy and web-based versions. Products are presented in a single-page “cut sheet” format to facilitate easy removal or addition.

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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Guidelines and Standards This document makes design-based recommendations that are indicated as either Guidelines or Standards, and also relies on standards already in place, such as the City of Bellevue Transportation Design Manual, federal accessibility standards, etc.

When a design treatment is identified as a Guideline, it is meant to be a suggestion that serves as a point of departure for the Developer’s design team. Guidelines are flexible in nature, and are intended to provide design latitude so that a variety of treatments, each unique but also cohesive as a whole, are developed by different teams working in the Corridor.

Design treatments identified as standards must be adhered to. Departures from standards may be permitted but will require approval from the City. The standards identified in this document are intended to compliment, not supersede, standards already in place.

Throughout this document recommendations that are guidelines will be marked with this Guidelines symbol: Recommendations that are Standards will be marked with the “Standards” symbol:

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

December 2012 BelRed Corridor

$ 423 $ 260

$7,908 $32,699* $1,357

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THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

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INDUSTRIAL COLOR

MARKS

TERMS

IMAGES

MODERN COLOR

MARKS

WORDS

IMAGES

COLOR

NATURAL MARKS

WORDS

BULKY

PURPOSEFUL

WORN

COMPACT LIVING

Growth

EXPOSED

SOLID

Observable

CONCRETE

ORGANIZED

Water

MASCULINE

THIN

Creek

REUSE

CLEAN

Roots

COLD

COOL

Native

METAL

New

Systems

SHARP

STRAIGHT

STONE

SOLID

USED

MINIMAL

IMAGES

Unpredictable

Force Manicured

STARK

ROUGH FADED

Life

REDEFINED

Continuous

HANDMADE

Seasons

HISTORY

MATHEMATICAL

Gradual

CHANGING

Merging

SLEEK

Open

CRITICAL

Accessible

FORWARD LARGE

HEAVY

SCATTERED

tactile

Figure 2.1.1

Patterns

ATTRACTIVE

Figure 2.1.2

Figure 2.1.3

BelRed Character Workshop These “mood” boards, above, were created to stimulate discussion about the character of the BelRed Corridor.

This started the development of a BelRed design language that can be applied to physical features, and printed and digital media.

Figure 2.1.4

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Character of the Corridor

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2.1 Context The process of identifying the character of the BelRed Corridor began with an investigation of its context. Three broad themes were identified as particularly relevant to the Corridor’s character:

Industrial The BelRed Corridor, as it exists today, is the largest industrial/light industrial area in the City of Bellevue. The west end of the Corridor has large industrial sites such as the Safeway distribution facility, the Coca-Cola bottling plant, the Metro yard, and the Cadman plant. To the east of these large industrial sites are smaller light industrial uses, many of which have a retail component to them.

Natural The entire Corridor has significant natural underpinnings. It is transected by six water courses. Some already have significant green belts around portions of their course (West Tributary and Valley Creek), while the others are mostly channelized and underground.

The BelRed Sub-Area Plan calls for the daylighting of these important natural features, and will reestablish important habitat corridors for fish, fowl, and other wildlife. It is envisioned that these greenbelts will provide a sense of boundary to each of the development nodes in the Corridor. They will be conspicuous as one moves through the corridor, particularly by foot or bicycle as one crosses these areas at-grade, and by rail, as one looks into them from elevated rail structures.

Modern The major catalyst for the redevelopment of the Corridor will be the expansion of the Link Light Rail system across the Eastside and through the BelRed Corridor. Stations at the Spring District development and at approximately 130th Avenue Northeast will transform these areas to high-density employment and residential centers with connections to established communities such as downtown Bellevue and Redmond, Overlake, regional centers such as Seattle, and the airport. This vital linkage across the Eastside connects a number of high-technology employers, and it is anticipated that this will make the Corridor an attractive location for these companies to expand to, for smaller start-ups looking for proximity to the larger companies, and for employees of these companies, who come from all corners of the globe, to live.

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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Workshop Synthesis Chart

Natural Underlying theme for the Corridor; found within open spaces, expressed in materials and reflected in the character of development.

Industrial Present state of the Corridor; provides opportunities for re-use and should inform future development and design.

Modern Reflects values of the current time and is expressed in a manner that is distinct to the Corridor.

Figure 2.1.5

BelRed Typographic Application During the workshop process it was decided that BelRed should be typographically represented without a hyphen and each world capitalized: BelRed.

Figure 2.1.6

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

2.2 Character With this understanding of the context in the BelRed Corridor, a series of workshops were performed as part of the work for this Plan to distill the relevant themes at play in the Corridor into a character statement and discuss how this character might be expressed in the streetscape.

It was agreed upon that the Corridor’s industrial setting, unique to the Eastside, and the imminent restoration and transformation of the natural systems in the Corridor are strong identifying characteristics that should be emphasized.

Equally important is the fact that BelRed will reinvent itself as one of the newest neighborhoods in the Puget Sound region. With its connectivity to established high technology businesses, it is expected to entice additional high-tech employers looking for space, and a workforce looking for residence. Increasingly, this workforce is being drawn from around the world. All of this suggests that the BelRed story should be forward-looking, and that the design language used to tell that story be contemporary and cosmopolitan.

Great consideration was given during the development of this plan to the nature of contemporary design and what it means in the context of the Corridor. Contemporary design is a reflection of its time and place. Because of the potential for the Corridor to become a very cosmopolitan neighborhood, approaches to design from around the world were considered. With society’s increased awareness of sustainability and natural, renewable, and recyclable materials, Asian design motifs, with their emphasis on material and clarity of form seemed particularly appropriate. This approach to motif also draws from the historical context of the Corridor, which was settled by Japanese-American families who practiced agriculture in the area.

Given this context, the Corridor’s character might best be expressed through design that references its industrial tradition and natural systems, with clear expression of materials and simple form.

“ BelRed is intended to be a vibrant community defined by its creativity, connectivity, and innovation, inspired by its industrial roots, and expressing its underlying natural context through sustainable design.”

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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3

Public Art Considerations This plan identifies broad opportunities for the incorporation of art into the public realm.

Public art will play a role in establishing human scale and creating unique identities at significant sites within the Corridor. The Corridor has the potential to become quite cosmopolitan, and as such, will become both a cultural and intellectual melting pot. This development will occur over generations in a spontaneous manner, and may be spurred by the catalysts of East Link Light Rail and the development of the Spring District.

This plan lays out a number of opportunities for private, public and community stakeholder partnerships and recommends the development of a Public Art Master Plan which will facilitate the development of memorable neighborhoods within the Corridor. These types of partnerships maximize opportunities for extraordinary improvements and places. This document presents a menu of options which illustrate the types, sizes and locations of public art that could enhance the human experience of not only these places, but also the identity of the unique series of neighborhoods within the Corridor. This plan does not make recommendations pertaining to artistic style. Site specific recommendations can only be undertaken within the context of a Public Art Master Plan which is developed through extensive historical research, community and Arts Commission involvement, and interface with Stakeholders.

3.1 Comprehensive Corridor Recommendations The following comprehensive actions should be taken in the consideration of public art in the Corridor: • A Public Art Master Plan should be developed that will address logical and significant art opportunities in both private and public lands, and identifies funding and implementation strategies for those projects. These opportunities should encourage the identification of the Spring District, retail and arts districts, and the light rail alignment as unique places defined by their public art.

• A series of meetings should be convened between the artistic community and property owners within the Corridor to discuss developing building stock inventories that will support the creation of an arts district within the corridor.

• These planning exercises should be undertaken with distinct consultant teams so as to infuse each exercise with a specific set of solutions focused on the unique opportunities and identities of each condition and each district-specific team.

A set of detailed actions are presented in Appendix B.

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Art Concept Map

Note: Base map for reference only.

Figure 3.1.1 THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

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Street Types Map

Wa

y

1 4 8 t h Ave NE

up

NE 2 0 th S t

1 36 th P la c e

NE

1 2 7 t h Ave N E

rth

il

State R oute 5 20

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1 4 0 t h Ave NE

No

1 2 4 th Ave NE

1 20 th Ave NE

1 1 6 t h Ave NE

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th

Lake B ellevue

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1 3 4 t h Ave NE

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1 3 2 n d Ave NE

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I nterstate 405

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Street Types

S t regreen et streets Types retail streets

Lo ca l S treet

local streets

T

G re e n S treet

arterials

NE 8 th S t

S h o p p i n g S t reet

Figure 4.1.1

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Conceptual Plans and Development Standards

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4.1 Street Types Overview This plan makes design recommendations for three prototypical street types: Local Streets, Retail Streets, and Green Streets. These prototypes assume a generic block length of 300 feet, which is driven by a code stipulated maximum block frontage of 1200 feet. As station area planning evolves at the Corridor’s nodes and development occurs, real conditions will dictate layout and design of the streetscape.

The prototypical plans make recommendations for types of street elements to be provided for each street type, general layout of the various zones of the sidewalk, and street parking configuration. These plans, sections and illustrations are meant to be used in conjunction with the City of Bellevue Transportation Department Design Manual.

Generally the character of street furniture and other elements will not vary from street type to street type. Instead, the level of amenity will vary, so that a retail street for example, would have more waste receptacles than a local street.

This document also makes design recommendations for proposed and existing arterials in, and adjacent to the Corrridor. These recommendations were developed in a workshop attended by several project teams working on arterial design in the BelRed and Wilburton neighborhoods and included both City staff and their respective design consultant teams. The following projects had representatives in the workshop: • 120th Avenue NE – Stage 1 NE 4th Street to NE 8th Street • 120th Avenue NE – Stage 2 NE 8th Street to NE 15th/16th Street • 120th Avenue NE – Stages 3 and 4 NE 15th/16th Street to Northup Way • NE 4th Street • NE 6th Street Extension • 124th Avenue NE • NE 15th/16th Street, Segments 1 and 2 A record of the work generate in the workshop can be found in Appendix C The ideas generated by the teams may be applied not only to the arterial streets listed above, but to other arterials in the corridor, including: • BelRed Road • Northup Way/NE 20th Street • 136th Place NE • 140th Avenue NE

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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4.2 Corridor-Wide Design Principles A common set of principles underlies the design recommendations made for each of the street types in the Corridor. These principles promote BelRed’s character while creating streets that are safe and functional for their users. These guiding principles are listed below and manifest themselves in the specific design recommendations that follow.

Reinforce Corridor Identity While Enhancing Legibility of Sub-Areas Design elements integrated by new development and City projects should not only reinforce the character of the Corridor as a whole, but also distinguish sub-areas within or adjacent to the Corridor (e.g. Spring District, Wilburton, etc.). This can be achieved through the use of “elements of continuity” and “elements of distinction”. Elements of continuity can include design gestures such as the bar pattern common to both the BelRed and Wilburton graphics, common color schemes, and street trees to establish a sense of cohesiveness across the Corridor. Using NE 8th Street as a line of transition, elements of distinction can convey the unique aspects of the BelRed and Wilburton neighborhoods. BelRed’s industrial and natural character can be conveyed through the use of the BelRed graphic, type face, and color scheme, and furniture and landscape palettes. Wilburton’s gardenesque character and strong sense of history can be conveyed through lush landscape treatments and a graphic language evocative of rails, lumber, and the Wilburton Trestle. As design and development commences in the Spring District, distinctive elements unique to that sub-area will be developed and implemented.

Reinforce Bellevue’s Identity as a “City in a Park” Bellevue is fortunate to have significant tree cover, and the areas immediately north and south of the BelRed Corridor are particularly lush. Effort should be made to weave this lushness into the Corridor along its streets and riparian corridors. Wherever possible, existing trees should be retained; where existing trees cannot be retained ample root zone should be provided for the health of new trees. Street trees should be used as an element of continuity that spans transition zones between sub-areas of the Corridor while using variety in the shrub and groundcover palette as elements of distinction.

Trees should be consider for use as visual screens, to reduce the apparent scale of large infrastructure elements, and as a noise abatement strategy. Shrub and groundcover beds can be used to define spaces within the right-of-way and direct pedestrian and bicycle flow. Shrubs and vines can be planted along the base of retaining walls to help reduce their perceived scale. Consider terracing taller walls and abutments to provide planting shelves. Plants in medians and planter strips can be used to help detain and treat stormwater. Plantings in, or adjacent to riparian corridors should be of a native palette appropriate to that ecology. Where plants are not being selected for their ecological functions, plant selections for BelRed should be of a more contemporary character while plants in Wilburton should be of a more antique or heirloom character.

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Reduce Clutter in the Streetscape Design solutions should favor simplicity and the reduction of clutter on or around sidewalks, particularly at intersections. To the extent possible, make poles at intersections multi-task so that multiple mast-arms, buttons, signs, etc. are affixed to a single pole.

Create Gateways at Transitions Transitions from surrounding neighborhoods into the BelRed Corridor (points of arrival, key intersections, etc.) can be marked with major gateway elements that convey the character of the Corridor (see Appendix D for major gateway element). Minor gateway elements may be placed at transitions between sub-areas within the Corridor. Each of these can be unique and relate to adjacent development. These treatments may include vertical markers, enhanced pavement, landscape features, etc.

Allow Riparian Corridors to Inform the Character of the Streets that Cross Them The system of creeks that traverse the Corridor are one of its defining features, and visual cues and interpretive elements in the streetscape can be provided at crossings to inform passers-by of the BelRed Corridor’s natural systems.

Accommodate a Wide Range of Users in the Right of Way The BelRed Corridor’s density, transit infrastructure, and location on a proposed major bicycle thoroughfare will encourage the use of bicycles as transportation. Streets and arterials in the Corridor are intended to feed the regional bicycle network by making connections to the dedicated bicycle lanes on NE 15th/16th Street. As such, the use of sharrows is encouraged, as directed by the City of Bellevue, in the Corridor where bicycle lanes are not present. Vertical and horizontal separation between bicyclists and vehicular traffic should be provided wherever possible. Finally, bicycle infrastructure suitable to a wide range of abilities should be provided.

The Corridor’s sidewalks and paths should allow for people to pass through, or linger within, the streetscape comfortably and safely. Pedestrian movement should not be impeded by poles, bicycle traffic, etc., and open sightlines should be maintained to provide a sense of security. “Pull-outs” or overlooks should be provided at elevated structures where pedestrians and bicyclists can stop to enjoy the view, meet a friend, or even have lunch. The character graphics developed in this document can be applied to sidewalks and crosswalks in a manner that gives pedestrians and bicyclists cues as they approach or enter vehicular traffic, gathering places, etc.

Provide Opportunities for Rotating Public Art Opportunities for sculpture, installations, performance, etc., can be created by providing open spaces along the sidewalk, on walls, in the landscape, etc.

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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4.3 Arterial Streets Along with the East Link light rail alignment, the Corridor’s arterials will serve as the primary means of entrance to, and movement through, the BelRed corridor.

Accordingly, these streets should convey the character of the neighborhood and provide a strong “threshold experience” as one enters the Corridor.

A number of potential design treatments were developed in the City’s BelRed arterial workshop and are recorded in the following pages. Following that are maps of arterial projects currently active in the Corridor with recommended design treatments indicated.

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Arterials and Major Streetscape Elements

viewpoiNt park

Ne 20th street

136 th

140th ave Ne

132Nd ave Ne

132Nd ave Ne

130th ave Ne

127th ave Ne

124th ave Ne

120th ave Ne

116th ave Ne

pw ay

ace

hu

e pl

rt

ave N

No

Bellevue highlaNds park

Ne 16th street Ne 15th street

Ne

12

th

st

re

lake Bellevue

405

et B elr

ed r

oad

Lightrail route Lightrail stops Local Streets Green Streets

Ne 8th street

Shopping Street Arterials BelRed CORRIDOR

Ne 6th street

Main Gateways Small Gateways

gleNdale couNtry cluB

Creek Crossing MARKERS Green Streets Entrance

Ne 4th street

Figure 4.3.1 THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

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Street Organization • Develop a relatively “curbless” streetscape for bike safety through the use of rounded or stepped curbs.

• Clearly define bike lanes through color, pattern, materials and/or separation with landscape.

• Protect bicyclists from traffic with parked cars instead of protecting parked cars with bicyclists.

• Create an appropriate balance of bicycle vs. pedestrian amenity that accommodates fast moving bicycle commuters and leisurely biking/baby strolling.

• Reduce roadway cost by transferring bicycles off of expensive vehicular pavements.

• Incorporate bus stops that do not endanger or interfere with bicyclists and pedestrians.

Figure 4.3.2 Arterial, parking, bicycle lane, and pedestrian zones are clearly marked through materials and/or landscaping

Figure 4.3.3 Materials and color utilized as identifiers for pedestrian and bicycle lanes

Figure 4.3.4 Bus stops and bike lanes are clearly separated

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Figure 4.3.5 Sloped curbs make transitions between bicycle lane and roadway

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Street Organization Example

Sloped Curb Preferable

Curb

Bikes

Furniture and Landscape

Cars

Pedestrian

Figure 4.3.6

Figure 4.3.7

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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Overlooks Overlooks at Elevated Structures

Potential Overlook Amenities

• Reinforce district character through use of design elements at overlooks

• Pedestrian furniture

• Leverage views of downtown and Mt. Rainier • Provide furniture and/or informational graphics at overlooks • Provide spaces off walkways to enhance the pedestrian experience

• Informative graphics • Free wi-fi • Views to downtown and Mt. Rainier • Night illumination of the space and the bumpout structure

• Consider integrating overlooks at bridges or significant elevation changes • Design overlooks to create social destinations (meet-up, lunch, etc.)

Figure 4.3.8 Overviews can contain greenery and pedestrian furniture

Figure 4.3.9 Elevation changes are opportunities for pedestrian resting points

Figure 4.3.10 Overlooks relate well to bike and pedestrian trails

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Overlook Examples Railroad tie pattern to warn bicyclists of pedestrian activity

Trestle patterned paving

Wave pattern on planter wall and signal pedestrian zone

Figure 4.3.11

View Opportunities

Places in Between

Accessibility

nn Co

ect

ion

Traffic Chaos

Figure 4.3.12 Overlook to create visual connections and destinations THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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PUBLIC PRESENTATION AND COMMENTS September 2011

BAckGROUND

WILBURTON

th 120 Avenuecharacter NE – Stage 1 Character Application Process Graphic COLOR SELECTION

Variety of colors will come from plant life.

120th Street Wilburton CITY OF BELLEVUE / ZGF ARCHITECTS, LLP OCTOBER 2011

PATTERN INSPIRATIONS

PUBLIC PRESENTATION AND COMMENTS

BelRed and Wilburton Urban Design Components Workshop CITY OF BELLEVUE / ZGF ARCHITECTS, LLP September 2011

NEIGHBORHOOD cONTExT

WILBURTON Natural context

WALL AND RAILING

SIDEWALk

A better option would be similar to the NE 8th sound walls — something that’s simple, but that vines will cling to. No need to reinvent the wheel/create something that requires excessive maintenance.

Why not just have a simple sidewalk? Think long-term maintenance -- when PSE digs up the sidewalk, will they replace with the custom design, or plain sidewalk?

I particularly like this design concept.

I like the incorporation of the trestle pattern into the sidewalk.

Would be brilliant if it could come complemented by the lattice at key points.

Looks nice, worry about the cost of construction and upkeep.

Understand concept, but it doesn’t remind me of trestle. Too vague. Go look at it, incorporate the arch.

A better look to incorporate the botanical gardens nearby!

This is the best, provided the plants are actually chosen to resemble this.

Nice I like this one a lot. Could the vines/plants be NATIVE, DROUGHT tolerant. Attractive flowers for wildlife/insects/ smells good too.

Looks a little “busy” Lattice does not look like the trestle – needs stronger verticals from point to point across square lattice.

Looks nice as long as the incremental cost is small. Not necessary, but small touches that don’t cost a lot can make a big difference visually.

Again it’s too vague to be reminded of railroad or trestle. The rails, ties, spikes.

Interesting but seems like it may be slippery. Also wooden railroad trestles aren’t generally pedestrian territory, so this is more reminiscent of a boardwalk Yes, I like this one too.

Very nice, go with it. sounds beautiful but it will be very costly to replace panels that start to heave due to tree roots What are the lines perpendicular to the ties? If you want to simulate the rails, use two wider for rails near the sides of the sidewalk. Ties were normally about 30 inches apart.

BelRed and Wilburton Urban Design Components Workshop

WALL AND RAILING

SIDEWALk

CITY OF BELLEVUE / ZGF ARCHITECTS, LLP

NEIGHBORHOOD cONTExT

A better option would be similar to the NE 8th sound walls — something that’s simple, but that vines will cling to. No need to reinvent the wheel/create something that requires excessive maintenance.

I particularly like this design concept.

Why not just have a simple sidewalk? Think long-term WILBURTON maintenance -- when PSE digs up the sidewalk, will they Built context replace with the custom design, or plain sidewalk?

I like the incorporation of the trestle pattern into the sidewalk.

Would be brilliant if it could come complemented by the lattice at key points.

Looks nice, worry about the cost of construction and upkeep.

Understand concept, but it doesn’t remind me of trestle. Too vague. Go look at it, incorporate the arch.

A better look to incorporate the botanical gardens nearby!

This is the best, provided the plants are actually chosen to resemble this.

Nice I like this one a lot. Could the vines/plants be NATIVE, DROUGHT tolerant. Attractive flowers for wildlife/insects/ smells good too.

Looks a little “busy” Lattice does not look like the trestle – needs stronger verticals from point to point across square lattice.

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Looks nice as long as the incremental cost is small. Not necessary, but small touches that don’t cost a lot can make a big difference visually.

Again it’s too vague to be reminded of railroad or trestle. The rails, ties, spikes.

Interesting but seems like it may be slippery. Also wooden railroad trestles aren’t generally pedestrian territory, so this is more reminiscent of a boardwalk Yes, I like this one too.

Very nice, go with it. sounds beautiful but it will be very costly to replace panels that start to heave due to tree roots What are the lines perpendicular to the ties? If you want to simulate the rails, use two wider for rails near the sides of the sidewalk. Ties were normally about 30 inches apart.

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

September 2011

120 th Avenue NE ­— Stage 1 (CIP No. XXX) NE 4th Street to NE 8 th Street

• Apply Wilburton graphic treatments to sidewalks • Provide varied finishes, trellises and climbing plants at retaining wall • Provide decorative guardrail at west edge of proposed school bus facility • Provide trellis screen between right-of-way and adjacent parking lots

VIEWPOINT PARK

NO

RT

HU

124TH AVE NE

BELLEV HIGHLA PARK

E PL 136 TH

AVE N

140TH AVE NE

132ND AVE NE

132ND AVE NE

127TH AVE NE

ACE

NE 20TH STREET

130TH AVE NE

120TH AVE NE

116TH AVE NE

PW AY

NE 16TH STREET NE 15TH STREET

NE

12

TH

ST

RE

LAKE BELLEVUE

405

ET B ELR

ED R

OAD

NE 8TH STREET

NE 6TH STREET

GLENDALE COUNTRY CLUB

NE 4TH STREET

Figure 4.3.13

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

23

120th Avenue NE – Stages 2 & 3 Character Application Process

24

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

120 th Avenue NE ­— StageS 2 & 3 (CIP No. PW-R-164) NE 8 th street to NORTHUP WAY

• Provide major gateway element (see Appendix D) between NE 8th Street and NE 12th Street

• Follow BelRed design recommendations for art, street furnishings and wayfinding

• Accommodate pedestrians and bicyclists in separate sidewalk zones

• Reduce the apparent scale of retaining walls by applying BelRed graphics and planting with climbing vines and foreground landscape where possible

• Continue street tree theme established in the 120th Avenue NE Stage 1 project. Provide a transition in shrub/groundcover treatments to distinguish Stages 2, 3 and 4 from Stage 1

VIEWPOINT PARK

NO

RT

HU

124TH AVE NE

BELLEV HIGHLA PARK

E PL 136 TH

AVE N

140TH AVE NE

132ND AVE NE

132ND AVE NE

127TH AVE NE

ACE

NE 20TH STREET

130TH AVE NE

120TH AVE NE

116TH AVE NE

PW AY

NE 16TH STREET NE 15TH STREET

NE

12

TH

ST

RE

LAKE BELLEVUE

405

ET B ELR

ED R

OAD

BelRed Character Recommended location for major gateway element, see Appendix D Transition zone between BelRed and Wilburton character

NE 8TH STREET

NE 6TH STREET

Wilburton Character

GLENDALE COUNTRY CLUB

NE 4TH STREET

Figure 4.3.14

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

25

120th Avenue NE – Stage 3 Character Application Process

26

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

120 th Avenue NE ­— Stage 3 (CIP No. PW-R-168) NE 12 th Street to Northup Way

• Highlight creek crossing (location identified by star below). Use color and texture in the sidewalk to express riparian ecology at the sidewalk level

• Follow BelRed design recommendations for art, street furnishings and wayfinding • 120th and 15th utilized as a gateway to lightrail station

• Accommodate pedestrians and bicyclists in separate sidewalk zones

• Substantial pedestrian and bike friendly lighting, pathways, seating and bicycle parking for easy access to lightrail and transit hub

• Continue street tree theme established in the 120th Avenue NE Stage 1 project. Provide distinctive shrub/groundcover treatments to distinguish Stages 3 and 4 from Stage 1

VIEWPOINT PARK

NO

RT

HU

124TH AVE NE

E PL

140TH AVE NE

BELLEV HIGHLA PARK

136 TH

132ND AVE NE

132ND AVE NE

127TH AVE NE

ACE

NE 20TH STREET

130TH AVE NE

120TH AVE NE

116TH AVE NE

PW AY

AVE N

Recommended location for creek crossing sidewalk markers.

NE 16TH STREET NE 15TH STREET

NE

12

TH

ST

RE

LAKE BELLEVUE

405

ET B ELR

ED R

OAD

NE 8TH STREET

NE 6TH STREET

GLENDALE COUNTRY CLUB

NE 4TH STREET

Figure 4.3.15

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

27

NE 4th Street Character Application Process

28

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

NE 4th Street (CIP No. XXX) • Provide pedestrian overlooks at the I-405 overpass to capitalize on views of Mt. Rainier and the Bellevue skyline

of translucent or opaque screens where necessary

• Provide visual screening and noise abatement structures along the I-405 overpass, especially in areas adjacent to existing and future development sites

• Reduce the apparent scale of retaining walls and abutments by applying Wilburton graphics (refer to CIP No. XXX documents) and planting with climbing vines and foreground landscape where possible

• Express the character of Wilburton through the use of gardenesque or trestle-like streetscape elements

• Locate plant strips between sidewalks and vehicular/bicycle lanes rather than at backof-sidewalk

• Address potential light pollution from elevated portions of the 4th Street corridor into adjacent development through the use

• Accommodate pedestrians and bicyclists in separate sidewalk zones

VIEWPOINT PARK

NO

RT

HU

124TH AVE NE

BELLEV HIGHLA PARK

E PL 136 TH

AVE N

140TH AVE NE

132ND AVE NE

132ND AVE NE

127TH AVE NE

ACE

NE 20TH STREET

130TH AVE NE

120TH AVE NE

116TH AVE NE

PW AY

NE 16TH STREET NE 15TH STREET

NE

12

TH

ST

RE

LAKE BELLEVUE

405

ET B ELR

ED R

OAD

NE 8TH STREET

NE 6TH STREET

GLENDALE COUNTRY CLUB

NE 4TH STREET

Figure 4.3.16

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

29

NE 6th Street Extension Character Application Process

30

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

NE 6 th Street Extension (CIP No. XXX) • Provide pedestrian overlooks at the I-405 overpass to capitalize on views of Mt. Rainier and the Bellevue skyline • Provide visual screening and noise abatement structures along the I-405 overpass, especially in areas adjacent to existing and future development sites • Express the character of Wilburton through the use of gardenesque or trestle-like streetscape elements • Address potential light pollution from elevated portions of the 4th Street corridor into adjacent development through the use of translucent or opaque screens where necessary

• Reduce the apparent scale of retaining walls and abutments by applying Wilburton graphics (refer to CIP No. XXX documents) and planting with climbing vines and foreground landscape where possible • Locate plant strips between sidewalks and vehicular/bicycle lanes rather than at back-ofsidewalk • Accommodate pedestrians and bicyclists in separate sidewalk zones • Continue street tree theme established in the 120th Avenue NE Stage 1 project. Provide distinctive shrub/groundcover treatments to distinguish Stages 3 and 4 from Stage 1 VIEWPOINT PARK

NO

RT

HU

124TH AVE NE

BELLEV HIGHLA PARK

E PL 136 TH

AVE N

140TH AVE NE

132ND AVE NE

132ND AVE NE

127TH AVE NE

ACE

NE 20TH STREET

130TH AVE NE

120TH AVE NE

116TH AVE NE

PW AY

NE 16TH STREET NE 15TH STREET

NE

12

TH

ST

RE

LAKE BELLEVUE

405

ET B ELR

ED R

OAD

NE 8TH STREET

NE 6TH STREET

GLENDALE COUNTRY CLUB

NE 4TH STREET

Figure 4.3.17

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

31

124th Avenue NE Character Application Process

32

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

124th Avenue NE (CIP No. PW-R-169) NE 12 th Street to NE 14th street

• Provide major gateway element (see Appendix D) where traffic enters the Corridor from Highway 520

• Ensure that pedestrian design solutions will be workable within interim industrial context • Consider noise abatement strategies in the design of pedestrian amenities to mitigate heavy truck traffic

• Highlight creek crossing (locaton identified by star below). Use color and texture in the sidewalk to express riparian ecology at the sidewalk level

• Ensure easy access between trails, sidewalks, and light rail station

• Anticipate heavy pedestrian traffic due to future light rail stop

• Establish and maintain a consistent street tree theme along the length of 124th Avenue NE. Provide transition in the shrub and groundcover plantings south of BelRed Road

• Provide for future bike and pedestrian trail crossings • Provide distinctive built or vegetative gateways into the riparian corridor east of 124th Avenue NE (locations identified below).

VIEWPOINT PARK

Recommended location for major gatewayNelement, see Appendix D OR

TH

124TH AVE NE

WA Y

BELLEV HIGHLA PARK

E PL 136 TH

AVE N

140TH AVE NE

132ND AVE NE

132ND AVE NE

127TH AVE NE

Recommended location for creek crossing sidewalk markers.

ACE

NE 20TH STREET

130TH AVE NE

120TH AVE NE

116TH AVE NE

UP

NE 16TH STREET NE 15TH STREET

NE

12

TH

ST

RE

ET B ELR

LAKE BELLEVUE

405

ED R

OAD

Transition zone between BelRed and Wilburton character NE 8TH STREET

Power Transmission Lines NE 6TH STREET

• Allow the power lines on 124th Avenue NE to inform, but not dominate, the pedestrian experience

NE 4TH STREET

• Create episodic experiences and create visual interest through the use of landscape textures to establish a human scale in the pedestrian realm

• Reduce perception of the towers by providing GLENDALE visual interest at eyeCOUNTRY level (art exhibits, CLUB landscaping, graphic character, etc.)

• Utilize space between transmission lines as a sound barrier (landscape, art, “glass” art Figure 4.3.18 elements, etc.)

• Ensure open sightliness across streetscape for safety

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

33

NE 15th/16th Street – Segments 1 & 2 Character Application Process

34

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

NE 15th/16 th Street ­— Segments 1 & 2 (CIP No. XXX) • Highlight creek crossing (location identified by star below). Use color and texture in the sidewalk to express riparian ecology at the sidewalk level

• Follow BelRed design recommendations for art, street furnishings and wayfinding except where superseded by Sound Transit standards in station areas

• Provide minor gateway element where NE 15th Street meets NE 12th Street

• Coordinate with Sound Transit to reduce the apparent scale of retaining walls, abutments, and guideway structures by applying BelRed graphics and planting with climbing vines and foreground landscape where possible

• Accommodate pedestrians and bicyclists in separate sidewalk zones • Establish a street tree theme for NE 15th/16th Street. Do not carry theme tree through riparian corridors.

VIEWPOINT PARK

NO

RT

HU

124TH AVE NE

BELLEV HIGHLA PARK

E PL 136 TH

AVE N

140TH AVE NE

132ND AVE NE

132ND AVE NE

127TH AVE NE

ACE

NE 20TH STREET

130TH AVE NE

120TH AVE NE

116TH AVE NE

PW AY

NE 16TH STREET

Recommended location for a Creek Crossing marker

NE 15TH STREET

Recommended NE location for 2T a Small BelRed 1Gateway H ST

RE

LAKE BELLEVUE

405

ET B ELR

ED R

OAD

NE 8TH STREET

NE 6TH STREET

GLENDALE COUNTRY CLUB

NE 4TH STREET

Figure 4.3.19

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

35

36

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

130 th Avenue NE ­(CIP No. PW-R-170) bel-red road to ne 20th street

• //////

VIEWPOINT PARK

NO

RT

HU

124TH AVE NE

BELLEV HIGHLA PARK

E PL 136 TH

AVE N

140TH AVE NE

132ND AVE NE

132ND AVE NE

127TH AVE NE

ACE

NE 20TH STREET

130TH AVE NE

120TH AVE NE

116TH AVE NE

PW AY

NE 16TH STREET NE 15TH STREET

NE

12

TH

ST

RE

LAKE BELLEVUE

405

ET B ELR

ED R

OAD

NE 8TH STREET

NE 6TH STREET

GLENDALE COUNTRY CLUB

NE 4TH STREET

Figure 4.3.19

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

37

4.4 Local Streets The majority of new streets to be built in the Corridor will be Local Streets. These streets are intended to support residential development through their intimate scale, generous landscape and pedestrian furnishings. Their design intends to encourage a sense of neighborhood “ownership” and participation through the relationship of entrances, lobbies and courtyards with social spaces for seating and conversation in the street. Mid-block curb extensions will provide an amenity space for seating, additional landscaping, bike parking as well as a more frequent interval of crossing in the 300 foot blocks. Texture and detail are prioritized in design. These block types are meant to provide quiet juxtaposition to the busier retail streets or transit boulevards that they intersect.

The intent is that when you turn the corner from these busier streets, you enter a quieter environment where you are able to “hear the birds sing”.

Figure 4.4.1 Residential building edges can meet the sidewalk.

Figure 4.4.2 A green edge can exist between residential buildings and the sidewalk.

38

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Figure 4.4.3

Figure 4.4.6 Connecting streets and residential buildings through large pedestrianonly corridors between buildings.

Mid-Block Crossing

Figure 4.4.4 Courtyards for residential buildings can be open to the sidewalk.

Figure 4.4.7 Buildings could include interior plazas connected to their lobby/public space.

Figure 4.4.5 A courtyard with residential entrance that is gated to the sidewalk.

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

39

Local Streets Section

Note 6” curb zone with 5΄-0˝ amenity zone where no parking permitted Figure 4.4.8

40

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Local Streets Plan

300'-0" TYP.

Prototypical Intersection (see figure 4.30)

Mid-block Crossing VEHICULAR STREET LIGHT

POTENTIAL SIGNAL CONTROL CABINET

SEE INSET FOR MID-BLOCK DRIVEWAY CONDITION

UTILITY CORRIDOR TYP

SAND-BLASTED CONCRETE

6' X 6' NOM. 1' X 6' SCORING W/ 6' CONTRACTION JOINTS*

61'-0"

WASTE RECEPTACLE RECYCLING

30'-0" TYP

VAULT LID

BENCHES POTENTIAL PARKING PAY STATION

BICYCLE RACK

CONCRETE STEP-OUT ZONE

Figure 4.4.9

Street Zone Guidelines

Paving & Scoring

Lighting

Landscape & Furnishings

6’ pedestrian thru-zone.

Concrete Joints: Saw-cut or trowel at developer’s option.

Vehicular street lights at middle and corners of blocks, one side of block only, or as required to meet design standards.

Trees spaced at 30’ on-center in planting strip.

18” concrete curbside step-out zone.

6’ (max) pedestrian pass-throughs (potential location of future utility corridors) 8’ +/- curb bulbs at mid-block crossings 3’ +/- curb bulbs at block corners with 21’ radius.

Pedestrian pass-throughs: 1’ x 6’ scored joint pattern over 6’ x 6’ full-depth contraction joints.

26'-0"

4’-0” planting strip.

Waste receptacles on pads within planting strip, on opposing corners.

10' AT 5% GRADE

One (potential) parking pay station at every midblock crossing as shown at edge of sidewalk.

Benches and bicycle racks located at mid-block crossings.

Figure 4.4.10

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

41

4.5 Retail Streets Retail Streets are intended to be active corridors that support retail by providing wider sidewalks for dining and window shopping, grated trees for extra pedestrian maneuverability, and low furnishings for unobstructed sightlines to store fronts and on-street parking and loading.

130th Avenue NE is designated as a Retail Street in the BelRed Plan. Retail uses here are seen as the type that will serve the emerging high density residential neighborhood and not compete with regional retail in Downtown Bellevue.

Smaller scale retail that is pedestrian-friendly will line both sides of 130th Avenue NE. To provide space adequate to serve all needs, a wider right-of-way is proposed. 130th Avenue NE is also a local bicycle corridor that will connect into the larger city-wide bicycle corridor proposed for the NE 15th/16th Street light rail corridor. As such it will include generous bicycle parking in front of businesses.

Because the street trees on Retail Streets will be grated instead of located in large open planters, provisions will need to be made for adequate root and soil volume. A root space protection zone is proposed from the face of adjacent development to the edge of the vehicular travel lane, in which a structural matrix such as Silva Cell will be used to support pavement over a high-quality growing medium.

Figure 4.5.1 Diversity and vibrancy can be found within signage, potted plants, and retail uses spilling onto sidewalk.

Figure 4.5.2

42

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Figure 4.5.3

Figure 4.5.6

Figure 4.5.7

Figure 4.5.4 Retail edges can open to sidewalks without spilling into the pedestrian zone.

Figure 4.5.8 Create an active edge with room for tables, strollers, and merchandise.

Figure 4.5.5

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

43

Retail Streets Section

ROOT PROTECTION ZONE

ROOT PROTECTION ZONE

Note Retail Streets shall accommodate bicycle traffic, typical section to be determined.

Add 5’0” for on-street bicycle facility Figure 4.5.9

44

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Retail Streets Plan

300'-0" TYP. POTENTIAL SPECIAL ARCHITECTURAL TREATMENTS AT RETAIL CORNERS WASTE RECEPTACLE RECYCLING

ENHANCED BICYCLE PARKING

SYLVA-CELL ROOT ZONE TYP (RETAIL ONLY)* VEHICULAR STREET LIGHT

TREE GRATE

SAND-BLASTED CONCRETE*

UTILITY CORRIDOR TYP

2' X 3' 6' x 6' 3' x 5'

NEWS RACK

67'-0"

SIGNAL CONTROL CABINET BICYCLE RACK

30'-0" TYP

* INFORMATION KIOSK

POTENTIAL HUMAN-SCALE ART

VAULT LID

CAFE SEATING

BENCH

POTENTIAL PARKING PAY STATION

Figure 4.5.10

Street Zone Guidelines

Paving & Scoring

Lighting

3’ cafe seating zone.

Concrete Joints: Saw-cut or trowel at developer’s option.

2. STAINED CONCRETE: AREAS IN PLAN TO BE CHARCOAL GRAY. Vehicular street lights at middle and corners of TreesSHADED spaced at 30’ on center in planting strip. blocks, one side of block only, or as required 3.toPAVING AT GREEN STREETS TO BE CONCRETE OR ASPHALT AT DEVELOPER'S OPTION. 5’ x 10’ planters with tree grates.

4. SYLVA CELL BUILT TO MANUFACTURER'S DETAILS, FROM FACE OF BUILDING TO EDGE OF TRAVEL LANE, meet design standards.

UTILITY CORRIDOR TO UTILITY CORRIDOR. Waste receptacles within amenity zone, on Building lighting by developer. opposite corners.

6’ pedestrian thru-zone.

18” concrete curbside step-out zone.

3’ curb bulbs at block corners with 21’ radius.

2’ x 3’ concrete joints at cafe seating zone.

3’ x 5’ concrete joints at planter strip zone.

Landscape & Furnishings

GENERAL NOTES:

1. CONCRETE JOINTS: SAW-CUT OR TROWEL AT DEVELOPER'S OPTION.

One (potential) parking pay station at every midblock as shown at edge of sidewalk.

Benches and bicycle racks distributed through street at random interval as shown. Minimum 3 benches and 6 bike racks per block face

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

45

4.6 Green Streets Green Streets are seen as a specific type of local street that supports intensive residential uses, has a traffic-calmed character that is attractive to pedestrians and bicyclists and because of their east-west alignment, act as green connective corridors between subdistricts and riparian open spaces. At intersections on the edge of subdistricts, Green Streets transition to trails as they cross the riparian corridors. The emphasis of the Green Street typology is to put pedestrians and bicycles on equal or greater priority with minor, local automotive traffic, and to employ natural systems to assist with storm water management.

The Green Streets are curbless environments with paving enhancements that feel plaza-like and could allow temporary closure for a pedestrian-oriented day festival or event. The street is punctuated by asymmetrically placed rain gardens in line with the parking bays. Trees are clumped into irregular groves within rain gardens, reinforcing a more natural extension of landscape from the riparian areas into the neighborhood street grid.

Storm water is conveyed to the rain garden planters along a crease in the pavement which feeds small cascades into the basins. The rain gardens will remove pollutants and suspended solids before returning water to the aquifer. In heavy rainfall overflow structures convey water to the storm sewer system to avoid flooding.

Figure 4.6.1 A curbless rich pedestrian environment attracting babies, birds, bikes, and bees 46

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Figure 4.6.2

Sidewalk Pockets Areas between rain gardens offer additional sidewalk width.

Park Intersections Where Green Streets intersect green open spaces; materials are extended through the intersection and into adjacent open space to create an integrated and seamless park entrance.

Figure 4.6.5 An environment for bikes.

Figure 4.6.3 Rain gardens provide unique color and texture to the streetscape.

Figure 4.6.4 Interconnected infiltration planters for water retention, infiltration, evaporation and transpiration.

Figure 4.6.6 Embracing stormwater as a street amenity provides opportunities for fountains and artistic channelization to bring people closer to the water.

Figure 4.6.7 Water is cleaned of suspended solids, heavy metals, nitrogen and phosphorous before entering the sewer system.

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

47

Green Streets Section

Figure 4.6.8

48

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Green Streets Plan

300'-0" TYP.

Intersection (see figure 4.31) SIGNAL CONTROL CABINET

BICYCLE RACK

WASTE RECEPTACLE

2 BOLLARDS AT EACH PARKING STALL

RECYCLING

PAVING*

POTENTIAL PARKING PAY STATION

6' X 6' SAND-BLASTED CONCRETE*

VEHICULAR STREET LIGHT

2' X 6' SAND-BLASTED CONCRETE* STAINED CONCRETE*

+6" 0"

0"

+6"

6" RAMP UP TO WOONERF AT 5% GRADE INFORMATION KIOSK

CHARGING STATION BETWEEN BOLLARDS

VAULT LID

FORMED BENCH

Figure 4.6.9 GENERAL NOTES:

Street Zone Guidelines

Paving & Scoring

Lighting

Street, planting zone, and sidewalk are all coplanar. 6” ramp up from perpendicular streets into woonerf environment.

Concrete Joints: Saw-cut or trowel at developer’s option.

Vehicular street lights at center and corners of Trees planted within raingarden planters at 3. PAVING AT GREEN STREETS TO BE CONCRETE OR ASPHALT AT DEVELOPER'S OPTION. blocks, one side of block only, or as required to random spacing and number.

4. SYLVA CELL BUILT TO MANUFACTURER'S DETAILS, FROM FACE OF BUILDING TO EDGE OF TRAVEL LANE, UTILITY CORRIDOR TO UTILITY CORRIDOR. meet design standards.

Waste receptacles on opposite corners of intersections.

3’ curb bulbs at block corners with 21’ radius

2’ x 6’ scored joint pattern over 6’ x 6’ fulldepth contraction joints.

Travel lanes and sidewalk are concrete.

Parking bays to be charcoal gray concrete.

Landscape & Furnishings

1. CONCRETE JOINTS: SAW-CUT OR TROWEL AT DEVELOPER'S OPTION.

2. STAINED CONCRETE: SHADED AREAS IN PLAN TO BE CHARCOAL GRAY.

One (potential) parking pay station at mid-block as shown at edge of pedestrian thru zone.

Bicycle racks and potential vehicle charging stations shown at intersection of two parking spaces, typical.

Two bollards placed at each parking stall to delineate parking zones from sidewalk.

Found seating integral with raingarden planters (see detail in appendix).

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

2349

Intersections The prototypical BelRed intersection features shallow curb bulbs that provide queuing space and shortened crossing distances while still allowing emergency vehicles to make turns without mounting the curb.

Special intersections are proposed where the Green Streets transition to trail as they enter the riparian corridors. These gateways can be framed by large trees, and announced with native boulders which also block vehicular traffic.

Prototypical Intersection

R12'-0" TYP.

SIGNAL CABINET OUTSIDE OF VISION TRIANGLE STOP LIGHT/SIGNAL POLE +0.50'

+0.50'

PROPERTY LINE WASTE RECEPTACLES OUTSIDE OF VISION TRIANGLE

0.00+

+0.33'

+0.39'

+0.50'

+0.33' +0.33'

+0.33'

+0.50'

0" 21'0.00+

6'-0"

R

0.50'+

+0.33'

0.00+ 0.00+

3'-0" TYP.

0"

1:12 MAX. SLOPE TYPICAL AT RAMPS

AMENITY ZONE

+0.33'

2'-

1:10 MAX. SLOPE TYPICAL AT FLARES

0.50' +

NOTES: SPOT ELEVATIONS SHOWN ARE CONCEPTUAL; GRADING MAY VARY SPECIFIC TO EACH STREET TYPE AND/OR DEVELOPMENT.

Figure 4.6.10

50

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Special Intersection at Green Streets

BELRED PATTERN IN CROSSWALK

LARGE "GATEWAY TREES" AT TRANSITION INTO RIPARIAN CORRIDORS

PATH

CONCRETE INTERSECTION

NATURAL ELEMENTS SUCH AS BOULDERS AS BOLLARDS

Figure 4.6.11

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

51

Colors Colors: in Corridor-related graphics, or on materials that need to be painted or otherwise coated, colors should come from a traditional industrial range of color tones:

a main

cmyk 25/85/100/18 rgb 163/63/31 pANTONE 1675 c html A33F1F

b support

cmyk 28/48/71/72 88/69/40 rgb pANTONE 462 c html 584528

cmyk 56/0/42/0 rgb 114/206/155 pANTONE 346 C html 72CE9B

cmyk 94/16/48/65 rgb 0/77/70 pANTONE 3302 C html 004D46

cmyk 10/0/0/90 rgb 77/79/83 pANTONE COOL gREY 11 C html 4D4F53

cmyk 23/17/13/41 rgb 139/141/142 pANTONE cOOL gREY 8 C html 8B8D8E

cmyk 12/7/6/17 rgb 188/189/188 pANTONE cool grey 4 c html bcbdbc

cmyk 0/70/100/6 rgb 225/109/34 pANTONE 1585 c html ff6d22

cmyk 0/15/100/6 rgb 242/175/0 pANTONE 7408 c html f2af00

cmyk 100/19/8/46 rgb 0/91/130 pANTONE 308 c html 005b82

cmyk 0/0/0/0 rgb 255/255/255 pANTONE white

cmyk 0/0/0/100 rgb 37/44/38 pANTONE black 3 c html 252c26

c tones d highlights

52

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Streetscape Elements

5

General In the selection of elements for use in the right-of-way, preference should be given to furnishings that express a mix of industrial and natural character, have simple clean, simple lines, and express the character of their materials. When possible, fasteners, welds, and flanges should be visible.

Materials: drawing from natural or industrial motifs: • steel • wood • concrete • stone Finishes: preference should be given to natural or industrial finishes and conditions: • Corten steel • galvanized steel • natural/clear stains or unfinished Installation: All streetscape elements are to be embed-mounted.

In This Section Seating: Backless and “Backed” Benches Waste Receptacles Bollards Bicycle Racks Vehicular-Scale Lighting Pedestrian-Scale Lighting Pedestrian Pavement Tree Grates Street Tree Root Zone Protection Newspaper Boxes Power and Signal Cabinets Vault Lids, Manholes, and Grates Wayfinding

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

53

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Seating Seating may be either in the form of benches or “found seating”.

Benches on Local Streets and Green Streets shall have backs.

Benches on retail streets shall be backless.

Found seating is encouraged along development frontages. A cast in place concrete seating block is recommended at rain garden cells on Green Streets (see detail in Appendix D).

Backless Benches Company: Dimensions: Materials:

Nu by Landscape Forms 26” x 32” x 102” Jarrah seat, galvanized steel frame

Contact:

timg@landscapeforms.com

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Company: Dimensions: Materials:

Broadmoor Bench by Urban Hardwoods 176” x 30” x 19” Salvaged timber

Contact:

bryan@urbanhardwoods.com

Green Street Park Entrance

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

“Backed” Benches Company: Dimensions: Materials:

Nu by Landscape Forms 26” x 32” x 102” Jarrah seat, galvanized steel frame

Contact:

timg@landscapeforms.com

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Company: Dimensions: Materials:

Trapecio by Landscape Forms 212” x 32” x 27” Unfinished Alaskan Yellow Cedar on hot-dip galvanized frame

Contact:

timg@landscapeforms.com

Green Street Park Areas

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Waste Receptacles Containers for trash and mixed recycling are to be provided.

Receptacles should have lids, or be otherwise closed to the sky to prevent accumulation of rainwater.

Side-opening or tilting receptacles are preferred for easier removal of waste bags.

Company: Dimensions: Materials:

ROUND Bin by Factory Furniture 19 gallons aluminium top, stainless steel body

Contact:

mail@obrienandsons.com

THE BELRED CORRIDOR PLAN  Street Typologies and Development Standards  2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Bollards Company: Dimensions: Materials:

R-8410 by Reliance Foundary 36” stainless and black or silver painted steel

Contact:

1.888.735.5680

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Bicycle Racks Bicycle racks may be vinyl coated.

Racks should have two points of contact with bikes.

For use on sidewalks and in enhanced bicycle parking on Retail Streets.

Company: Dimensions:

Ring by Landscape Forms 2 bikes each

Materials:

Stainless steel

Contact:

timg@landscapeforms.com

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Tree Grates Tree grates are not to be used on Local Streets or Green Streets.

Tree grates are required on Retail Streets.

Grates shall be ADA compliant walkable surfaces

Company: Dimensions: Materials:

Jamison by Urban Accessories 5’ x 10’ Aluminum

Contact:

Architecreation / 206.932.4730

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Street Tree Root Zone Protection Street trees on Retail Streets (i.e. street trees in grates) shall have their root zones protected by a three dimensional structural matrix product such as Silva Cell.

Minimum depth of the system shall be 32”. Width and length of installation per prototypical plans in this document.

Newspaper Boxes Newspaper boxes are to be provided on Retail Streets.

Boxes are to consolidate newspapers from various vendors to reduce clutter on the sidewalk.

Boxes should accommodate a minimum of four newspapers.

Power and Signal Cabinets Utility-related cabinets that occur in the right-of-way should not call attention to themselves, and therefore should not be decorated.

Cabinets should have a high quality metal finish.

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Vault Lids, Manholes, and Grates An opportunity exists to apply a BelRed graphic to lids and grates in the right-of-way. This can be implemented after Corridor graphics are formalized.

THE BELRED CORRIDOR PLAN  Street Typologies and Development Standards  2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Wayfinding Unique wayfinding elements that feature a BelRed graphic and typeface may be provided. These can be in the form of signage and kiosks, and/or through embedded information and patterns in the sidewalk. Signage and wayfinding standards should be developed after Corridor graphics are formalized.

THE BELRED CORRIDOR PLAN  Street Typologies and Development Standards  2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Vehicular-Scale Lighting Vehicular-scale lighting shall be GE Evolve LED Series Area Light - Medium Thin Profile, Dimmable, Mounting Option ‘B’, color to be coordinated with pole.

Product ID: EAMT Pole shall be round, height and spacing dependent on conditions specific to development. Finish to be 3 mils of polyester powder topcoat over 3 mils of epoxy powder primer, for a total thickness of 6 mils. Color to be black or dark bronze.

Other fixtures may be approved on a case-by-case basis.

Proposed fixtures shall be in keeping with the modern/industrial design themes proposed in this document. The fixture must be tested to LM-79 and LM-80 standards and shall be manufactured in the USA or as otherwise allowed by funding restrictions.

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Pedestrian-Scale Lighting Pole-mounted pedestrian-scale lighting is not required for development in the BelRed Corridor.

Lighting of the pedestrian realm is to be provided by fixtures mounted to adjacent development.

Pedestrian realm lighting where adjacent development is set back from the sidewalk is to be coordinated with the City of Bellevue Transportation Department on a case-by-case basis.

Pedestrian Pavement Pedestrian pavements are to be cast-in-place concrete. Unit pavers are not to be used within the right-of-way.

Finishes are to comply with the Transportation Design Manual, except at areas of accent pavement where concrete may have a medium sandblast finish and/or saw-cut joints.

Accent areas of concrete pavement may be colored integrally.

Top-dressed color may be used in addition to integral color, but not in lieu of it.

THE BELRED CORRIDOR PLAN  Street Typologies and Development Standards  2011

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Appendices A Appendix Public Art Considerations

B Appendix Workshop Overview

C Appendix Graphic Considerations

D Appendix Graphic Applications

E Appendix Detailed Drawings

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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A

Public Art Considerations Several nodes, or districts, will develop along the Corridor – the Spring District, a residential and retail district at 130th Avenue Northeast, and an Arts District east of Goff Creek. Pubic art will play a role in creating unique identities for each district, as well as for the Corridor as a whole.

Spring District: Parks, Open Spaces and Places to Gather The recommendations made below pertain to a series of open spaces and public right-of-ways envisioned in the Spring District Concept Plan. These recommendations, and their underlying concepts, should be carried forward and adjusted to the Spring District design as it evolves.

Park Adjacent to Residential Development This generous open space has opportunities to provide intimate as well as larger gathering spaces. Appropriately scaled sculptural works can provide a sense of scale, identity, place making and wonderment.

Recommendation: A diversity of works should be commissioned for Figure A.1 A rich heritage of the region offers opportunities to celebrate our earliest and diverse cultures.

the Half-Round Park - works that utilize light, a formal sculpture garden complete with figurative works, that spring forth from native cultures, etc should be considered. Conceptual drivers for the work should be focused on content.

Entry to Sports Field The potential exists for this entry to be one of the most widely used pedestrian accesses in and out of the development.

Recommendation: An appropriately scaled cultural amenity should Figure a.2 Public art works of significant size provide an intermediate scale between humans and buildings, and create landmarks.

MelbourneUD Program_Art_Architectural Fragment by Petrus Spronk.jpg 500×400 pixels

Figure A.3 Conceptual artworks encourage us to think of our past, our lives, our futures and the relationship of cities.

be commissioned at this location. Consideration should be given to collaborations between landscape architects and artists, native historians and horticulturists, etc. The focus for this work should be the experience one has in the movement through it rather than drive-by art.

Entry Plazas The Spring District envisions opportunity scaled, open plazas that create a welcome mat at each building’s front door, clearly defining the transition from public to private and from outside to inside. These entry plazas have the opportunity to become a discernible and diverse collection of urban scaled “front yards”. A public art program can more fully define place and assist with wayfinding. Each front yard can define a unique experience, and significant works of public art will reinforce the identities of these places.

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Recommendation: The proposed Spring District Public Art Master Plan should identify scope, process, budget, design criteria and conceptual intent for each plaza project, and if desired, an overarching theme for the district. Each project should be fully integrated in its setting and engineering, and appropriate for the site in which it resides. These works will only be successful within the district if they are of a scale to create a significant presence within the development.

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THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

2/14/10 5:30 AM

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Figure A.4 Not all public art need be permanent. Many artists working today seek out opportunities to engage the public in a real-time setting.

Temporal Projects Art need not be a permanent thing, nor is it always visually based. Poetry slams, string quartets, film exhibitions and dance performances can do much to build a special quality within communities.

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Recommendation: The Spring District Public Art Master Plan should discuss the potential to create specific locations within the development where these events might take place, and then develop an ongoing structure of programming and funding to facilitate their development and occurrence. Opportunities for interior as well as exterior spaces should be explored.

Spring District: Rights of Ways 120th and 124th Avenues The treatment of the Spring District will dictate to what degree it is integrated to the Corridor as a whole.

Recommendation: To ensure that these edges remain permeable, inviting and linked to the extended community, a Design Team Artist should be hired to collaborate with the Spring District design team to develop the landscaping and right-of-way treatments.

Sidewalks Internal to the Spring District The Spring District may be developed in phases, but public art can help create a cohesive sense of place over the course of its development. Such art elements, located on or in the sidewalks, may be fine-grained and ever-evolving, permeating the entire district.

Recommendation: A regional author may be commissioned to write a

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http://hearsight.com/img_support/june09/LoveButtons.jpg

http://hearsight.com/img_support/june09/LoveButtons.jpg

Figure A.5 Text and language art can bring a sense of narrative to the public realm.

novel, portions of which may be etched in granite panels and pavers set into the sidewalks of the Spring District. The panels may convey a sentence, or sometimes a series of pages, to add a sense of narrative discovery and wonder to the District. In conjunction with text in the sidewalks a web site Page 1 of 1 may be created which includes thePage entire novel for download onto personal 1 of 1 electronic devices such as phones or pads, allowing the novel to include illustrations, new chapters, etc. This text may find its way into the entry plazas and other open spaces in the District as well.

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Transitions Between Districts: Light Rail Corridor and Stations Transitions Between Districts Sound Transit has successfully incorporated public art at its existing rail stations and alignments. There will be similar opportunities within the BelRed Corridor for public art that announces significant transitions between districts within the Corridor. Transitions between the Spring District, 130th District, and the arts district may be announced through elements such as arches, gates, and lighting.

Recommendation: Meet with the Sound Transit Art Program Director to Figure a.6 Works of scale within the transit alignment announce the station and create wayfinding elements within the district.

develop a cooperative plan that leads to the creation of these transitional elements.

Light Rail Stations Art can be a wayfinding device for locating light rail stations. Additionally, art can be integrated directly into the station architecture and system elements so that the station reflects the character of the neighborhood it serves. The Spring District station, with its associated “cut”, will present an entirely different station condition than its sister at 130th Avenue Northeast, and accordingly should present a different station character.

Recommendation: Meet with the Sound Transit Art Program Director to develop a cooperative set of Public Art Design Criteria that addresses the particular opportunities at each station in the Corridor. Input from Spring District development team should inform the discussion around the Spring District station.

The Residential / Retail District at 130 th Avenue Northeast

Figure a.7 Artwork within the shopping environment provides a scale and richness to the retail experience.

130th Avenue Northeast It is anticipated that the retail activity along 130th Avenue Northeast will spill out of eateries and stores onto the sidewalk to create a diverse, colorful and lively environment. The street experience will be intimate like a table for two, well crafted like a fine pair of Italian shoes and fun like a children’s bookstore. Every 100 feet is different and provides an ever-unfolding experience. Art has a role to play in this environment in adding a layer of non-commercial content and continuity.

Recommendation: Multiple highly crafted/detailed human-scaled works of art should be commissioned to be set into the sidewalk furnishing zones along 130th Avenue Northeast. Sometimes on pedestals, sometimes atgrade, sometimes in conjunction with plantings or benches - these works will help to enrich this street’s activity and help define its unique identity.

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

The Arts District: An Evolving Arts Village

Figure a.8 The intimate character of Goff Creek can create unique surprises that support the development of an arts village.

Arts District One of the goals for the BelRed Corridor is the development and growth of an arts district. This is envisioned as happening in the area immediately east of Goff Creek in the proximity of the Pacific Northwest Ballet School. The growth of a cultural district generally evolves over generations and is driven by tangibles, such as availability of cheap space, but also by intangibles such as places for socialization, the personalities of its residents, and their ability to attract like-minded people to the area. The physical characteristics of this area of the Corridor, with its low-rise structures and tall evergreen trees, suggest that the district character be intimate and village-like. A number of activities, such as weekend open studios, craft festivals, and jazz performances may be employed to increase not only the use of the district by artists but also visitation by citizens and tourists over time.

Development and Programming Recommendations: Convene a group of local artists who might wish to locate in this new neighborhood and facilitate their organization into a working-group.

Figure A.9 Existing buildings within the district can be easily re-vitalized to create studio space.

Develop a name for the district.

The development of a modest artist residency program should be considered. Examine other such programs - Pilchuck, Caldera and Playa Oregon, Ucross -Wyoming, Anderson Ranch - Colorado, etc.

A study group should be convened to visit other such artistic communities of this implied scale - Cannon Beach Oregon, Emeryville, California, Roosevelt District in Phoenix, etc., to glean an understanding of the possibilities for such a community.

Figure a.10 An arts district should embrace all who create - the glass artists, the poet, the painter, etc.

Map and inventory properties which are underutilized within the district and then develop some logical, targeted nodes where critical mass cultural uses might be achieved.

Explore the development of a fund which would provide low interest loans or grants to artists who purchase property in the district (the City of Phoenix

program is an example).

Explore the development of a fund which would provide grants to subsidize rental fees for artists who locate within the district.

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Landscape Inventory and protect all significant trees.

Established landscape standards for the arts district which emphasis native plants and casual character.

Figure a.10 The existing landscape provides a wonderful stage for an emerging arts district - giving it an identity which is unique to the region.

Public Art Public art in the art district should favor temporary projects over permanent projects to facilitate the growth of the district. When improvements are made to right-of-ways in the arts district, locations should be identified for temporary display of district-curated art works.

Identify sites in the district for event-driven culture.

Review all existing and anticipated open spaces to determine ownership and potential to include public art work.

Identify opportunities for public art on Green Streets and at intersections.

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

B

Workshop Overview City of Bellevue Arterials Workshop Scope Workshop Agenda Workshop Goals Workshop List of Attendees District Character Context Workshop Process and Notes

City of Bellevue Arterials Workshop Scope ATTACHMENT A-1 SCOPE OF WORK BelRed / Wilburton Urban Design Components Background: The Mobility & Infrastructure Initiative was launched in 2008 to address overwhelming needs for transportation improvements due to unprecedented growth in the downtown and planned growth in the BelRed and Wilburton districts. The result is a network of arterials in the BelRed and Wilburton districts. They are: 1.

2.

3.

4.

5.

6.

7.

120th Stage 1 - NE 4th to NE 8th Street 120th Stage 2 - NE 8th St to 15th/16th Street 120th Stage 3+4 - 15th/16th Street to Northup Way NE 4th Street Project NE 6th Street Extension 124th Ave NE 15th/16th Segments 1 and 2

While infrastructure planning and design are underway it is also necessary to address the urban design and amenities that will communicate the character and sense of place for these projects. Providing fundamental guidance for an urban design approach will ensure a cohesive rather than patchwork and disjointed aesthetic for public and private development in these areas.

This contract is for the facilitation and follow-up documentation of a workshop attended by key consultants for the above projects. The participants will determine the elements of these projects that are appropriate for urban design treatment such as retaining walls, railings, sidewalks, streetscape furniture, and lighting, wayfinding, and landscape areas and develop a schematic urban design tool kit or guiding document.

THE BELRED CORRIDOR PLAN  Street Typologies and Development Standards  2011

City of Bellevue Workshop Scope <con’t>

The urban design tool kit will:    

Unify districts through design elements and amenities that speak uniquely about each location or district Exemplify the unique character of districts or locations while at the same time tying them together at part of Bellevue, “city in a park”.

Provide aesthetically pleasing treatments and amenities for all users; drivers, passengers pedestrians, bicyclists, etc.

Provide predictability with overall urban design concepts and features yet flexibility so the personality of a project or condition can be expressed.

Tasks Overview 1. Preparation/Facilitation a. Develop consultant team “homework” assignments i. Familiarize with BelRed UD Plan and 120th Avenue UD concepts ii. Identify opportunities for graphic application/incorporation iii. Plot base drawings for workshop b. Prepare wall graphics depicting character work to-date in BelRed and Wilburton c. Prepare workshop agenda i. Take first pass at identifying possible UD character tool kit to seed conversation d. Facilitate a half-day workshop i. Introductions and brief project summaries ii. Summary of BelRed and Wilburton character studies to-date iii. Group discussion – develop UD character tool kit iv. Team breakouts – apply UD character tools to specific projects v. Teams report to group vi. Synthesize ideas to develop continuity across all projects vii. Summarize e. Photograph or scan meeting products 2. Documentation – Summary Book (Deliverable: digital book in PDF format) a. Prepare workshop summary book i. Attendance list ii. Originals of exhibits presented at workshop iii. Scanned drawings and photographs from workshop iv. Simple plan/section drawings depicting concepts v. Precedent photos to illustrate concepts 3. Documentation – Photomontage Summary Images (Deliverable: images in PDF and .jpg formats) a. Prepare (2) photomontage images incorporation the design concepts developed during the workshop i. Arterial treatments in BelRed Corridor ii. Arterial treatments in Wilburton

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Workshop Agenda

BelRed and Wilburton Urban Design Components Workshop CITY OF BELLEVUE / ZGF ARCHITECTS, LLP September 2011

WORKSHOP AGENDA

Workshop Goals

BelRed and Wilburton Urban Design Components Workshop CITY OF BELLEVUE / ZGF ARCHITECTS, LLP

8:00

Introductions

Participants will determine the elements that are appropriate for urban design treatment such as;

8:15

Brief Overview of Projects / Project Managers

retaining walls

1.

2.

3.

4.

5.

6.

7.

railings

120th Stage 1 - NE 4th to NE 8th Street / Steve Costa 120th Stage 2 - NE 8th St to 15th/16th Street / Paul Krawczyk 120th Stage 3+4 - 15th/16th Street to Northup / Paul Krawczyk NE 4th Street Project / Marina Arakelyan 124th Ave NE / / Marina Arakelyan NE 6th Street Extension and NE 5th / Nancy Lacombe 15th/16th Segments 1 and 2 / Rick Logwood

8:40

Character Study Work-to-date Summary / ZGF

9:00

Group discussion – develop UD character tool kit

9:30

Team breakouts – apply UD character tools to specific projects

10:00 Cross-Pollination of Discussions – participants from each team swap 10:30 Teams to Develop Key Themes and Ideas from Discussions 10:45 Teams report to group 11:15 Group Summary / ZGF – synthesize ideas to develop continuity across all projects 12:00 Adjourn

September 2011

GOALS

sidewalks streetscape furniture and lighting wayfinding landscape areas Participants will develop a schematic urban design tool kit URBAN DESIGN TOOL KIT Unify districts through design elements and amenities that speak uniquely about each location or district Exemplify the unique character of districts or locations while at the same time tying them together as part of Bellevue, “city in a park” Provide aesthetically pleasing treatments and amenities for all users; drivers, passengers pedestrians, bicyclists, etc.

Provide predictability with overall urban design concepts and features yet flexibility so the personality of a project or condition can be expressed.

TOTAL TIME: 4 HOURS

Workshop Attendees City of Bellevue

Project Team

Phil Harris

Ken Loen (Parsons Brinkerhoff)

Rick Logwood Steve Costa Nancy Lacombe Nancy Arakelyan Paul Krawczyk Camron Parker Darek Jarzynski Mike Mattar Chris Salomone Patti Wilma

John Owen (Makers) Oliver Kuehne (HDR) Brian Elrod (HNTB) David Sadinsky (NBBJ) ZGF Architects Brian McCarter David Grant Heidi Nelson

Emil King

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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Workshop Process and Notes

Urban Design Elements

90

The group revisited the proposed goals for the “urban design treatment elements” and added issues they felt were needs within specific arterial designs and overall character development.

Wayfinding

Additions include:

High tension power lines on 124th street

Retaining walls (ranging from 8ft to 20/30ft) + piers

Possible gateway and entry treatment (8th and 120th)

Stairways and elevation changes

Public art

Railings

Pedestrian crossings

Sidewalks

Materials / color / icons

Streetscape furniture (benches and seating), lighting, signals, and poles

Street names

Landscape areas Bike facilities Bridges and viewing areas Screens to parking lots

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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Overall District Considerations Incorporate patterned translucent screens where screening is needed on overpasses

Utilize BelRed color palette by tinting pavement or coloring bike lanes.

Provide pedestrian overlooks of downtown and Mt. Rainier at elevated structures; illuminate at night Provide visual cues in pavement where sidewalks cross riparian corridors

Future development

Provide landscape on retaining walls to reinforce gardenesque character

Light Spill Consideration for Future Development

Translucent /opaque screen

Unique Sidewalk Inlay Opportunities

Overlook at Night is Illuminated

Example of Screening and Noise Abatement in an Attractive Streetscape Element

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THE BELRED CORRIDOR PLANâ&#x20AC;&#x192; Streetscape Character, Guidelines, and Standardsâ&#x20AC;&#x192; 2012

Workshop Process and Notes <con’t>

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

93

Sequencing Along Entire Arterial Smaller elements at pedestrian scale (1/4 mile walk distance)

Walls graphic character creates connectivity

Connections And Destinations View opportunities

Places in between Accessibility

Co

nne

ct

ion

Traffic chaos Trees and larger elements at vehicular scale Vertical elements could relate to private development

All railings are consistent

Retaining Wall Character

Greenery along retaining walls where trees are not present.

Wall texture consistent throughout BelRed Retaining wall “joints” can be an opportunity for expressions of either art or BelRed character.

Details Are Important Fewer poles by consolidating functions

Pedestrian Comfort Sound mitigation, signaling, lighting, wayfinding, placemaking, and utilities 20 Years

No galvanized straps

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THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Mature tree height

Workshop Process and Notes <con’t>

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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District Railing Transitions

Vertical transitional elements

Gateway Monuments

I-405 railing

Trestle pattern framing with glass

BelRed character wave pattern

Arterial Transitions

Railroad tie pattern / texture to serve as a traffic calming device

Lighting with BelRed Character

BelRed character integration with lighting ne 6th ave

bnsf regional trail

Railroad tie pattern to warn pass through bikes

Overlooks Structure

Trestle patterned paving

Wave pattern on planter wall and signal pedestrian zone

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THE BELRED CORRIDOR PLANâ&#x20AC;&#x192; Streetscape Character, Guidelines, and Standardsâ&#x20AC;&#x192; 2012

Workshop Process and Notes <con’t>

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

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I-405 lighting structures, piers, and railings

Character Application on I-405 Bridges

Overlook Design Wave pattern

Seating/Paving with flexible spaces

Trestle pattern

Views to Mt. Rainier Overlook Graphic pattern (wave) Views to downtown

Pedestrian Access

Light towers with trestle pattern

District Character Transitions

Wave pattern

BelRed BNSF trail Trees

Streetscape Organization

BelRed street light Existing building

Multi-purpose path Parking

Wave pattern utilized as a divider between bike lanes and parking

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THE BELRED CORRIDOR PLANâ&#x20AC;&#x192; Streetscape Character, Guidelines, and Standardsâ&#x20AC;&#x192; 2012

I-405 theme

Workshop Process and Notes <con’t>

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99

C

Graphic Considerations As the identity of the Corridor continues to evolve, a graphic may be developed to further enhance and make identifiable the character of the Corridor. A typeface may also be selected so that Corridor’s character can be expressed in print. The simplicity and clarity of Asian graphic motifs are a logical fit, particularly in their ability to be arranged in repeatable patterns. This repeatability is desirable in its ability to be applied across a number of surfaces of varying scale. These graphics may be applied in the streetscape to wayfinding components, vault and manhole covers, pavement at intersections, and electronic media to reinforce the sense of place.

Color Selection Colors are pulled from the inspirational photos below, showcasing the beautiful side of Industry. These colors represent an industrial mood with the undertones of modern vibrance.

A. Main

B. Support

C. Highlights

D. Tones

Figure C.1

Color Inspiration Images

Figure C.2

Font Selection and Preferred Typographic Applications A number of fonts were discussed during the workshop process for this plan. Preference was expressed for a very clean, modern-looking typography. This font would be utilized alongside the graphic, in signage, and any other media representing BelRed. Font Selected: Franklin Gothic Typographic Application:

Figure C.3

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Figure C.4

Graphic Inspiration Easy modification and repetition were seen as desirable qualities for the graphic. The graphic may be applied to printed and digital media and to physical forms in the streetscape. In the example below, a single fish can take on many forms of logo or pattern.

Figure C.5 Graphic inspirations that incorporates modern, industrial and natural themes in visually unique ways.

Figure C.6

Figure C.7

Figure C.8

Figure C.9

Pattern Inspiration Pattern is an important element of the BelRed graphic, expressing BelRed’s identity when appropriate and creating a BelRed “pattern language”.

Figure C.10

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Pattern and Graphic Explorations Most of the options explored in the workshops represent all three of BelRed’s contexts: Industrial, Modern, and Natural. Modern is shown through the typographic application of font style and weight. The graphic expresses the Natural and/or Industrial context of the Corridor.

Industrial and Natural This pattern merges the repetition and regularity of industry to the sinuous forms of BelRed’s riparian corridors.

Figure C.11

BelRed BelRed THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Bel

Industrial and Natural

Branches represent the interconnected nodes of BelRed in a form appropriate to the Corridor’s system of creeks, parks, and wetlands.

Figure C.12

Natural The leaf represents the natural context of the corridor as well as its growth as a place.

Figure C.13

Natural and Industrial The bird is a representation of the corridor’s Japanese history and its restored future as habitat for the Song Sparrow. The pattern is industrial in character but also evocative of ripples in water.

Figure C.14

Natural The plant represents new growth. The growth of BelRed through development, transit, and creation of green spaces.

Figure C.15

Industrial The triangles, squares, and hard angles represent the industrial and modern aspects of the Corridor to the extreme.

Figure C.16 THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

D

Graphic Application Examples of Wayfinding Wayfinding should be inclusive to all ages with preferably some sort of interaction.

Application should be identifiable but not dominating or “Disneyland-ish”, keeping to the context of each street type.

Figure d.1

Figure d.2

Figure d.3

Examples of Pattern Applications

Figure d.4

Figure d.5

Figure d.6

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Figure d.7

Graphic Application Possibilities Manhole Cover

Figure d.8

Wayfinding Kiosk

Figure d.9

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Sidewalk Inlay The example shown below is just one way a BelRed graphic inlay could be applied to pavement in the Corridor. The diagrams below show other placement possibilities.

300'-0" TYP.

300

POTENTIAL PARKING PAY STATION VEHICULAR STREET LIGHT

G*

POTENTIAL SPECIAL ARCHITECTURAL TREATMENTS AT RETAIL CORNERS WASTE RECEPTACLE 6' X 6' SAND-BLASTED CONCRETE* RECYCLING TREE GRATE 2' X 6' SAND-BLASTED CONCRETE*ENHANCED BICYCLE PARKING Figure d.10 SIGNAL CONTROL CABINET STAINED BICYCLE RACKCONCRETE*

Green Streets

Retail Streets

Figure d.11 30'-0" TYP THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

+6"

Figure d.12

0"

Walkway Wayfinding These graphics could be a permanent inlay or a temporary application.

130th Ave NE

Park

Figure d.13

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

Stream Crossing and Guard Rails Utilize BelRed wave pattern and add color to sidewalk cement

Railings utilize BelRed character wave pattern

Imply fish outline in cement through texture or color

Figure d.14

Walls

Light elements can be used at gateways.

Utilize BelRed pattern’s vertical lines on walls

Walls should be softened with shrubs and/or climbing vines

Figure d.15

108

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Sidewalks and Crosswalks As pedestrians approach a crosswalk, patterns become more condensed to convey transition

Figure d.16

Barriers

BelRed’s graphic pattern continuously.

Recommended for areas of heavy pedestrian traffic.

BelRed’s vertical graphic spaced evenly along barrier. Recommended in combination with screening.

Figure d.19 Figure d.17

BelRed’s graphic pattern occurring only at barrier ends. Recommended as an over-arching option for multiple scenarios.

Figure d.18

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

109

Screening Screening above barriers may have a translucent graphic or color.

Figure d.20

Bike Lanes Coloring

Figure d.21

110

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Bridges

Figure d.22

Landscape / Medians Plant life should be considered over paved or cement elements. Plant life should be prominent in all elements of the streetscape from trees, to shrubs, to crawling vines for any type of wall. Also, plant life should be NW region based with low maintenance needs and seasonal colors.

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

111

E

112

Detailed Drawings

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Typical Bioretention Planter on Green Streets

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

113

114

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

Main BelRed Gateway Detailed Drawing

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

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116

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

X

1/8" SCALE

ELEVATION

1/8" SCALE

PLAN 1/8" SCALE

PLAN 1/8" SCALE

N

N PCC CONCRETEPCC CONCRETESTAMPED STAMPED

CONCRETE EXAMPLE

PERVIOUS CONCRETE PERVIOUS CONCRETE

ELEVATION METAL LATTICE METAL LATTICE

STANDARD CONCRETE STANDARD CONCRETE CAST IN PLACE CAST WALL IN PLACE WALL

2" DEEP RELIEF 2"IN DEEP RELIEF IN CONCRETE WALL CONCRETE WALL

WOOD STANCHION WOOD STANCHION

STAINED STRIPE STAINED DETAILSTRIPE DETAIL

42" GUARDRAIL 42" GUARDRAIL

STAMPED CONCRETE STAMPED CONCRETE

elevation 1/8” SCALE

STAINED CONCRETE STAINED CONCRETE

X

2ND

STAMPED CONCRETE STAMPED CONCRETE

X

X

1/8” SCALE

X

X

X

Plan

X

X

1ST IN SHADOW

120 th Avenue NE – Stage 1

3 RD

Sidewalk and Wall Details

CONCRETE EXAMPLE

PLAN N

CONCRETE EXAMPLE CONCRETE EXAMPLE

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011 117

X

118

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

120 th Avenue NE – Stage 2

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

119

120

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

120 th Avenue NE – Stage 2

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

121

122

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

120 th Avenue NE – Stage 2

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

123

124

THE BELRED CORRIDOR PLAN Streetscape Character, Guidelines, and Standards 2012

120 th Avenue NE – Stage 2

THE BELRED CORRIDOR PLAN Street Typologies and Development Standards 2011

125

City of Bellevue Transportation Department

ZGF Architects, llp

Carl Wilson

David Grant

Senior Development Review Engineer P 425.452.4228 F 425.452.5225

206.521.3516 david.grant@zgf.com

Heidi Nelson 206.521.3460 heidi.nelson@zgf.com