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HomeMy WebLinkAboutPermit L94-0089 - CITY OF TUKWILA - TUKWILA COMMUNITY CENTER CONDITIONAL USEL94 -0089 TUKWILA COMMUNITY CENTER CONDITIONAL USE : ... City of Tukwila John W. Rants, Mayor Department of Community Development Steve Lancaster, Director STAFF REPORT TO THE BOARD OF ARCHITECTURAL REVIEW HEARING DATE: PROJECT: APPLICANT: PROPOSAL: LOCATION: ACREAGE: COMPREHENSIVE PLAN: ZONING: SEPA DETERMINATION: STAFF: Prepared 2/14/95 February 23, 1995 TUKWILA COMMUNITY CENTER Conditional Use Permit #L94 -0089 Design Review #L94 -0088 Special Permission Sign #L95 -0007 ARC Architects, for City of Tukwila Parks and Recreation To construct a 48,000 square -foot community recreation center, including a 327 -stall parking lot, athletic fields and park improvements, landscaping, biofiltration swales, curb gutter and sidewalk, and river bank improvements. 124th Ave. S. and S. 42nd St. in the Allentown neighborhood. Approximately 12.8 acres Parks and Open Space R1 -7.2, Single Family Residential Mitigated Determination of Non- Significance issued 2/8/95. Ann Siegenthaler, Randy Berg 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • (206) 431-3670 • Fax (206) 431-3665 Tukwila Community Center Page 2 ATTACHMENTS: A. Vicinity map B. Photographs of site (to be submitted at hearing) C. Master site /grading plan (C -1) D. Site plan/landscape plan (L-1) E. Parking lot landscaping plan (L -2) F. West site landscape plan (L -3) G. East site landscaping plan (L -4) H. Planting schedule (L-5) I. Site sections J. Riverbank restoration details (C -2) K. Building elevations L. Building elevations M. Building elevations N. Revised rotunda/lobby study O. Revised dormer/light monitor study P. Floor plan (west) Q. Floor plan (east) R. Perspective sketch (to be submitted at hearing) S. Color board (to be submitted at hearing) T. Electrical site plan U. Applicant's response to Conditional Use V. Applicant's response to Design Review W. Design details booklet VICINITY /SITE INFORMATION A. Surrounding Land Uses: On the north and east, the site is bordered by single family residences. Across 42nd Avenue to the west is the Duwamish River, Interurban Avenue, and Highway 599. South of the site is the Duwamish River and the Gateway industrial park development (see Attachment A). B. Existing Development: The site previously has been used for agriculture. Currently a portion of the site is used as a pea - patch /neighborhood garden with a restroom and 15 -car parking lot. The pea -patch and parking lot occupy approximately 1 /5th of the site area, with remainder of the site being vacant (see Attachment B). Tukwila Community Center Page 3 C. Vegetation and Natural Features: The site was previously cleared for agriculture and is now covered with grass and bushes. There are no significant trees. The Duwamish River runs along the south side of the site, creating approximately 980 feet of river frontage. The riverbank has previously been disturbed, and vegetation here consists of canarygrass and blackberries (see Attachment B). D. Proiect Description: The City of Tukwila proposes to construct a 48,000 sq. ft. multi - purpose recreational facility on a 12.8 -acre site along the Duwamish River (see Attachments C, D). This new Community Center will include a gymnasium, racquetball courts, offices, crafts rooms, child care area, meeting rooms, and senior adult activity center. Outdoor recreation facilities will include softball and soccer fields, events plaza, public river trail, and picnic area. An area on the northwest portion of the site has been identified as archaeologically significant, and this area will be protected from development. Other site improvements include a 327-car parking lot, sidewalks and landscaping. The site will be fully landscaped, with an automatic irrigation system (Attachments E, F, G, H). Most of the project's stormwater will be addressed through an increase in -river flood storage capacity, and a series of parking lot biofiltration swales with oil/water separators. To protect site improvements, and to provide public access and flood storage, the Duwamish River riverbank which fronts on the site will be stabilized, re- contoured, and re- vegetated (Attachments I, J). The riverbank will be restored with native vegetation and large woody debris. A 15- foot -wide "bench" for maintenance access and a public trail will also be provided. The river through this reach is subject to tidal influences. Construction of the above improvements is anticipated to begin in summer 1995, with completion approximately one year later. Tukwila Community Center Page 4 BACKGROUND A. Public Involvement: The community has been informed of the Tukwila Community Center project in several ways: * Public meeting to select the architects; * Board of Adjustment public hearing on Zoning Code Variance; * Status update letter mailed to residents within 300 feet and other interested parties; * Notices mailed to residents within 300 feet; * Notices published in newspaper; * Notices posted on site; * Articles in February 1995 Hazelnut; * Public information .meeting 2/1/95. Five residents attended the February public information meeting. Comment sheets for forwarding to the Planning Commission were available at the information meeting; no comments were received. B. Building Height Variance: The Tukwila Zoning Code limits building height to a maximum of 30 feet in the underlying Single Family Residential zone. A variance to this height limit was approved by the Board of Architectural Review on 11/3/94. The Board approved a 46' maximum height for the pitched roof (or 38' mean height). The proposed Community Center has a 45 -foot maximum building height (or. 37' mean height). C. SEPA Environmental Determination: The project SEPA environmental review was completed 2/10/95. As conditions of approval, the project was required to add large trees along the shoreline, participate in future street improvements (curb, sidewalk, intersection signal) along 42nd Avenue and South 124th, and to complete negotiations with the Green River Flood Control District for a riverbank access easement. DECISION CRITERIA As a non - residential use in a residential zone, the Tukwila Community Center must obtain a Conditional Use Permit (TMC 18.12.050, under criteria in TMC 18.64.050). Approval by the Board of Architectural Review (per TMC 18.60.050) is also required. Tukwila Community Center Page 5 The Sign Code requires Planning Commission approval of public facility signs in residential zones (TMC 19.32.080). Given the above requirements, the applicant is requesting three approvals: A. Conditional Use Permit approval; B. Design Review approval; C. Special Permission for the design of signs. Accordingly, the staff report is divided into three parts:. Conditional Use Permit Criteria; Design Review Guidelines; and Special Permission for Public Facility Sign. Review criteria for each of these approvals are shown below in bold, followed by staff's summary. The applicant's written responses to the criteria are given in Attachments U and V. A. CONDITIONAL USE PERMIT CRITERIA (TMC 18.64.050) 1. The proposed use will not be materially detrimental to the pubic welfare or injurious to the property or improvements in the vicinity of the proposed use or in the district in which the subject property is located. The purpose of the project is to provide a variety of services to the community. Potential conflicts with its residential setting have been addressed in several ways. Perimeter landscaping of shrubs and trees will be used to screen the facility from adjacent residences. The eastern perimeter of the site, where sports fields are proposed, will have additional screening of a 6' high chain link fence covered with ivy. The proposed building occupies a very small portion (approximately 9 %) of the large, 12.8 -acre site, which allows the building to be located the maximum distance possible from adjacent residential areas. In addition, much of the site will remain as open space, providing additional buffering and recreational opportunities in the neighborhood. Biofiltration swales will be added to the parking lot to improve the quality of stormwater runoff to the river, and riverbank improvements are planned to improve aquatic and riparian habitats (see Attachments E, 3). The project is subject to Design Review, where other potential impacts can be addressed. Tukwila Community Center Page 6 2. The proposed use shall meet or exceed the performance standards that are required in the district it will occupy. A variance from the 30' building height standard was obtained from the Board of Architectural Review on 11/3/94. The Board approved an additional 8' mean building height (up to 46' maximum building height) for the Community Center. The proposal meet the Board's approved height. The proposed building will be located on a large site, with setbacks which greatly exceed the standards of the Single Family Residential zone. The proposal includes 10- foot wide landscaping buffers near residential uses, and internal and perimeter landscaping of the parking lot. There are no such landscaping requirements in the Single Family zone. 3. The proposed development shall be compatible generally with the surrounding land uses in terms of traffic and pedestrian circulation, building and site design. The proposed Community Center will generate approximately 1940 (970 in, 970 out) vehicle trips per day to roads in the project area. Vehicles will use two driveways into the site, one from 42nd Ave South and the other off of South 124th St. Street improvements are not part of this proposal. The City's 1995 budget provides for the design (but not installation) of future street improvements and a signal at the intersection. Both entry driveways will include pedestrian crossings. Pedestrian links will connect the Community Center to the adjacent convenience store, nearby residences, and the Green River Trail system. Sidewalks are not part of the project proposal, but are expected to be completed by the City at a later date. The Community Center will have limited hours, typically from 6:00 a.m. to 6:00 p.m. Monday through Saturday. Scheduling of outdoor athletic events will be restricted to daylight and early evening hours. The building and main entrance are located as far as possible from residences. Landscape buffers will be provided where single family residences abut the site. The entire project will be subject to public review, and required to meet the building and site design guidelines of the Board of Architectural Review. 4. The proposed use shall be in keeping with the goals and policies of the Comprehensive and Use Policy Plan. The use of the site for a Community Center and municipal park is consistent with Tukwila's current Comprehensive Plan which calls for recreational use on this site. The draft Comprehensive Plan (5/94) designation is for Public Recreation. Tukwila Community Center Page 7 5. All measures have been taken to minimize the possible adverse impacts which the proposed use may have on the area in which it is located. The proposed site plan, building design and landscaping reduce most, but not all, potential impacts (see Criteria #3, above). There is an opportunity to address other potential impacts during the Design Review process. CONDITIONAL USE PERMIT CONCLUSIONS: 1. The proposed use will not be materially detrimental to the public welfare.... Landscape screening and fencing, maximum building setbacks, the large amount of open space provided, and water quality and habitat enhancement features help ensure that this non - residential project fits well into the neighborhood. Through the provision of community services such as recreation and social services, the proposal has the potential to greatly benefit the public. In addition, this large -scale project has the potential to affect the aesthetic character of the neighborhood. The building design has attempted to minimize adverse impacts by using residential forms and scale, using harmonious colors, and locating the building away from residences. Through the public Design Review process, there will be opportunities to address screening and aesthetic issues in detail. 2. The proposed use shall meet or exceed the performance standards that are required in the district... The proposed Community Center exceeds the setback and landscaping standards of the underlying residential zone. In addition, it will provide amenities which benefit the neighborhood and the larger community. 3. The proposed development shall be compatible generally with the surrounding land uses... Traffic generated by the proposed Community Center will be greater than for typical residential uses. However, it is expected that traffic volumes will be similar to that of a church or school, uses also allowed as conditional uses in Single Family zones. Tukwila Fire and Public Works Departments have approved the proposed traffic and circulation patterns. Tukwila Community Center Page 8 As sidewalks are not part of the current proposal, there is some uncertainty as to when sidewalks will be constructed. Given the volume of truck traffic along 42nd Avenue and South 124th, and the volume of anticipated Community Center visitors, this is a potential safety issue. Sidewalks are essential for pedestrian safety, and should be installed prior to the facility's public opening. The proposed building design, site plan, landscaping and screening are generally compatible with the surrounding area. The specific way in which potential impacts are addressed can be resolved through the Design Review process. 4. The proposed use shall be in keeping with the goals and policies of the Comprehensive Plan. The proposed community center is consistent with the existing and proposed Comprehensive Plan and generally is consistent with the policies which require protection of single family residential areas. 5. All measures have been taken to minimize the possible adverse impacts which the proposed use may have on the area in which it is located. The proposal attempts to satisfy all aesthetic and landscape screening concerns. The building design has attempted to minimize adverse impacts by using residential forms, scale and materials. The surrounding neighborhood, as well as the larger community, will benefit from increased recreational opportunities, social services, and site amenities. The Design Review process provides an opportunity to address screening and aesthetic issues in detail. CONDITIONAL USE PERMIT RECOMMENDATIONS: Due to the fact that the project generally meets the criteria, staff recommends approval of the Conditional Use Permit, with the following condition: 1. Sidewalks along 42nd Avenue South and South 124th will be completed prior to the Community Center opening to the public. Tukwila Community Center Page 9 B. DESIGN REVIEW CRITERIA (TMC 18.60.050) 1. Relationship of Structure to Site. The site should be planned to accomplish a desirable transition with the streetscape and to provide for adequate landscaping and pedestrian movement. Parking and service areas should be located, designed and screened to moderate the visual impact of large paved areas. The height and scale of each building should be considered in relation to its site. The site plan locates the building close to the river and away from residential areas (see Attachment D). Perimeter landscaping is provided to buffer residential areas. In addition, the large parking area proposed is fully screened with landscaping. The truck loading/dumpster area is located to the side of the building, behind landscaping. On site pedestrian circulation has been designed to mesh with existing pedestrian patterns and future patterns anticipated when the Green/Duwamish River Trail system is complete. In the proposed site plan, the community center building is located away from surrounding residential uses. This minimizes impacts of scale and massing on surrounding properties. The building is oriented both to the parking area and the river. Interior spaces attempt to take advantage of the river as an amenity by providing views. Terraces off the senior center and main lobby allow interior spaces to expand outside on the river side. The building entrances all address the parking area and invite the public into the main entrance. The functional requirements of the gymnasium require building to a height and scale which exceeds common residential standards. However, the building is located as far from adjacent residences as possible, without creating conflicts with the shoreline. The design emphasizes the main building entrance with an entry rotunda, and a site design which radiates from this rotunda, which organizes site circulation and gives users a sense of where the entry is (see Attachments K, L). The main entrance serves a focal point to the site plan, and the orientation of the main entrance allows combined access for both cars and pedestrians. The plan also accommodates the typical motorist use of passenger drop off and pick up at the main entrance. On site pedestrian trails and park amenities provide for passive recreation at the river's edge. 2. Relationship of Structure & Site to Adjoining Area. Harmony in texture, line and masses is encouraged. Appropriate landscape transition to adjoining properties should be provided. Public buildings and structures should be consistent with the established neighborhood character. Tukwila Community Center Page 10 Compatibility of vehicular and pedestrian circulation patterns and loading facilities in terms of safety, efficiency and convenience should be encouraged. Compatibility of on -site vehicular circulation with street circulation should be encouraged. The proposed Tukwila Community Center site is surrounded by the Allentown residential neighborhood to the north and east, and by the river and industrial and commercial uses to the south and west. To fit the surrounding environment the community center design must relate to single family residences which most closely relate to the site in terms of context. The design also attempts to create a "civic monument" (see Attachments K, L, M). This creates a design conflict which has been resolved by increasing the scale of the building entry while reducing the scale of the remainder of the other building elements (with the exception of the gymnasium). The applicant has chosen a theme for the building which relates to agriculture and residential design metaphors. Durable exterior materials in earth tones are proposed, which are compatible with the subdued character of nearby residences. The landscape plan provides buffers next to residences, while the "public" sides of the site are more open. Vehicle access is from the north or west via two driveways, and entry walks access the site from the north, east and west. The building and site are handicapped accessible. The Tukwila Public Works and Fire Departments have reviewed and approved the proposed circulation. 3. Landscape and Site Treatment. Where existing topographic patterns contribute to beauty and utility of a development, they should be recognized, preserved and enhanced. Grades of walks, parking spaces, terraces and other paved areas should promote safety and provide an inviting and stable appearance. Landscape treatment should enhance architectural features, strengthen vistas and important axes, and provide shade. In locations where plants will be susceptible to injury by pedestrian or motor traffic, mitigating steps should be taken. Where building sites limit planting, the placement of trees or shrubs in paved areas is encouraged. Screening of service yards and other places which tend to be unsightly should be accomplished by the use of walls, fencing, planting or combinations of these. Screening should be effective in winter and summer. In areas where general planting will not prosper, other materials such as fences, walls, and pavings of wood, brick, stone or gravel may be used. Exterior lighting, when used, should enhance the building design and the adjoining landscape. Lighting standards and fixtures should be of a design and size compatible with the building and adjacent area. Lighting should be shielded, and restrained in design. Excessive brightness and brilliant colors should be avoided. Tukwila Community Center Page 11 An important component of major public buildings is a main entry which is visually strong and provides a memorable procession to the facility from the street. The site plan of the proposed community center attempts to create an entry sequence which meets this need. The main building feature is the entry rotunda. The remainder of the site features build from this focal element (see Attachment D). The parking lot is designed with a radial shape, which "funnels" visitors to the main entry. This helps to strengthen the relationship of the parking lot to the building entry. Pedestrian corridors, with alternate paving details, improve safety and emphasize the radial pattern. A flag plaza is incorporated into the entry sequence to provide a sense of arrival before the more formal entrance into the lobby. Brick pavers at building entries, a covered entry canopy complete the procession. Another important feature of public buildings is quality .outdoor spaces. The Community Center proposal provides several outdoor gathering areas both in the athletic areas as well as in the more private terrace areas on the river side of the building. The site plan identifies 3 to 4 areas which can accommodate future art work. The flag plaza is seen as a place for both gathering and for potential art work. Proposed landscaping includes perimeter screening with shrubs and large stature trees, and naturalistic plantings in parking lot bioswales (see Attachments E, F, G, H). The river side of the project is kept relatively free of trees in order to maintain views of Mt. Rainier and the river (see Attachment I). The dumpster /recycling surround is constructed of materials which relate the building architecture. Handicapped parking areas are located adjacent to the senior center entrance while remaining close `enough to the main entry to provide easy access to the lobby. Site lighting will be provided by 20 foot double and single fixture pole lights in the parking lot (see Attachment T). Site walkways from the parking area will be provided by bollard lights, casting light down to the walking surfaces, and clearly defining pathways from parking to the main building entrance. Additional lighting at the entries will come from ground mounted up lights casting light up the portico columns and highlighting the building architecture. 4. Building Design. Architectural style is not restricted, evaluation of a project should be based on quality of design and relationship to surroundings. Buildings should be to appropriate scale and be in harmony with permanent neighboring developments. Tukwila Community Center Page 12 Building components, such as windows, doors, eaves, and parapets, should have good proportions and relationship to one another. Building components and ancillary parts shall be consistent with anticipated Life of the structure. Colors should be harmonious, with bright or brilliant colors used only for accent. Mechanical equipment or other utility hardware on roof, ground or buildings should be screened from view. Exterior lighting should be part of the architectural concept. Fixtures, standards and all exposed accessories should be harmonious with building design. Monotony of design in single or multiple building projects should be avoided. Variety of detail, form and siting should be used to provide visual interest. Exterior materials and colors: The Tukwila Community Center's exterior will have a combination of materials (see color board, Attachment S; colored elevations will be provided at the hearing). A goal is to provide a building which will retain a high - quality appearance over time. Brick veneer and wood siding with prefinished metal roofing predominate the design. Brick is used at ground level to enhance the durability of the structure. The selection of colors has attempted to avoid trendy colors which will date the building in the future. Instead, the building design uses earthy colors and colors within the "northwest palette" to create an impression of indigenous architecture. Another project goal is to reduce long term maintenance costs; so, for example, the metal roof has a permanent factory applied finish which will reduce maintenance. Detailing: The applicant has revised the building design several times in order to provide better detailing and architectural interest. This has been accomplished in several ways. In most areas, brick is used as wainscotting, being held to a height of 4 feet. At the gymnasium the brick is continued to a height of 12 feet to break up the large expanses of the gym facades. The gym also incorporates wide vertical trim against horizontal siding, which provides a subtle pattern to the gym wall. Materials change, depending upon the function and location of the architectural element. For example, the social wing of the building, which houses the senior center, banquet and meeting spaces uses more wood siding, in order to create a more informal and more inviting exterior. The main entry rotunda is entirely of brick, further distinguishing it from other elements. Tukwila Community Center Page 13 To modulate the long facades of the building wings, the exterior line of the building extends outward at exterior doors and window areas. For example, there are window bays at the arts and crafts rooms. These bays are contrasted with the wall behind through the use of flat roofs and horizontal wood siding, as opposed to the pitched roofs and vertically- applied siding used elsewhere. These elements are also finished in a lighter color to further articulate and break the large building size down to residential scale. The building's large roof areas are modulated and broken down in scale by adding dormer -type skylights (or "light monitors ") over the interior hallways at all room entries. Besides breaking down the scale of the large expanses of roof areas, these dormers denote entry to rooms in the building interior. They provide a rhythm to the roofline, and repeat patterns found elsewhere on the building. The original design of the dormers has been slightly revised, as shown on Attachment 0. Rooftop mechanical equipment over the racquetball courts is screened with the same vertically applied siding used on most of the building exterior walls. Entry rotunda: The key feature of the Community Center design is the entry rotunda. It is the feature around which most of the design is organized. From the round, main rotunda, the architect has extended an east and west wing. This creates an "elbow" in the building, which directly relates to the radial- shaped parking lot, and which bends out toward the river and distant views. In this way the rotunda ties the building to the site and.gives the building users clear direction in how to approach the building. Some aspects of the rotunda have been revised subsequent to the application submittal. The roof overhang has been extended, and the covered entry canopy has been enlarged (see Attachment N). Building lighting: The large glass skylight over the rotunda/lobby is thought of as a beacon to the community inviting them to enter and explore the facility. The roof top monitors will also cast light outward at night (as well as casting light inward during the daylight hours) further articulating the ongoing uses within the facility. Columns and exterior walls at the entries are lit using ground mounted up lights to give accent to these important elements and invite users to the entries. Tukwila Community Center Page 14 5. Miscellaneous Structures & Street Furniture. Miscellaneous structures and street furniture should be designed to be part of the architectural concept of design and landscape. Materials should be compatible with buildings, scale should be appropriate, colors should be in harmony with buildings and surroundings, and proportions should be to scale. Lighting in connection with miscellaneous structures and street furniture should meet the guidelines applicable to site, landscape and buildings. Some site furnishings are provided in the proposed Community Center design. For example, plans show benches at the main entry, a bike rack at the fitness entry, and picnic tables near the river. Bleachers will be provided at the softball field. To promote the use of recycled materials, benches, trash receptacles and other site furnishings will be of recycled materials. DESIGN REVIEW CONCLUSIONS: 1. Relationship of Structure to Site. Proposed landscaping, walkways, parking lot and building location generally provide an appropriate transition to the street. Screening of service areas, parking lot and buffering of adjoining residences is included in the site plan. The height and scale of the building are appropriate for the site and compatible with surrounding uses. Although the gym and entry rotunda are not of a typical residential scale, proposed setbacks and locating the building away from residential areas resolves this potential conflict. The entry is clearly defined and gives users good orientation on how to access the facility. The site walkways and parking lot funnel users to the main building entrance. 2. Relationship of Structure & Site to Adjoining Area. The building generally fits its neighborhood setting. Building scale and forms attempt to relate to surrounding residential uses. Perimeter landscape screening is used to buffer residential uses which directly abut the site. Street trees are used to enhance the transition from right of ways while maintaining good visibility of the site for security reasons. Site landscaping includes development of active and passive recreational opportunities. Vehicular & pedestrian circulation is generally logical and safe. Since the site will also house the Tukwila Senior Center barrier free parking is provided with good access to the senior entry. Walkways from the parking area are oriented to the main entrance, and are enhanced with special paving patterns and landscaping. Tukwila Community Center Page 15 The arrival sequence is enhanced with the Landscaped flag plaza as the user approaches the main entry. 3. Landscape and Site Treatment. The applicant has provided, in general, a quality landscape plan. The perimeter is adequately screened, natural features are enhanced, and quality outdoor public spaces are provided. The site plan creates an appealing processional experience from the street to the entry lobby, and a high quality "people place" at the entry. Lighting is adequate for public safety and will provide attractive accents to the building and site design at night. However, the plan needs additional refinement in a few areas. To better respond to the pedestrians approaching from 42nd Avenue, the site plan should include another path. This path should run from 42nd Avenue around the edge of the demonstration compost garden, to the main building entry. Handicapped stalls located close to the main entry drive may create potential conflicts with entering traffic. Also, concentrating all handicapped stalls here tends to discourage use of other building areas. To better serve less -abled visitors, a minimum of 2 handicapped stalls at the main entry drive on 42nd Avenue should be relocated to the fitness wing entrance. With the possible exception of native plantings subject to inundation at the riverbank, all landscaped areas should be irrigated. There should be provision for at least temporary irrigation of native plant areas. This help ensure long- term plant survival throughout the project's lifetime. The applicant has agreed that these revisions would be desirable. 4. Building Design. The Tukwila Community Center will be an important and highly visible civic facility serving the citizens of Tukwila for years to come. Recognizing this, the applicant has attempted to design a building which denotes the sense of "civic place" appropriate to the importance of the building to the community. For example, the community center has a strong entry element and design concept which is inviting to the community. At the same time, the project is generally sensitive to its residential neighborhood location. It also takes advantage of the river front setting. The applicant has made many revisions in order to continually improve the building's design. The most recent revisions (Attachments N, 0) are an example. Proposed revisions to the entry rotunda make the rotunda much more effective as a main entry. The covered canopy will be provide an Tukwila Community Center Page 16 inviting "processional experience" to the Community Center. The rotunda's added roof overhang and covered canopy together "anchor" the rotunda to the rest of the building. Similarly, proposed revisions to the dormers improve the design. Dormers are still effective, but have been scaled down, to be more compatible with the overall building scale. The proposed Community Center design provides a high degree of attention to detail. It uses high quality materials which have a durability and richness suited to an important civic structure, and which respond to the building's historical and site context. 5. Miscellaneous Structures & Street Furniture. Further refinement of main public areas with site furnishings would improve these areas. This would also enhance the passive recreation opportunities on the site. DESIGN REVIEW RECOMMENDATIONS: Staff recommends that the Tukwila Community Center be approved with the following conditions. Refinements should be made by the applicant and submitted to staff for administrative approval. 1. To better respond to the pedestrians approaching from 42nd Avenue, the site plan shall include a path from 42nd Avenue to the main building entry. 2. To provide better handicapped access, a minimum of 2 handicapped stalls at the main entry drive shall be relocated east of the entry rotunda, closer to the fitness wing entrance. 3. Automatic irrigation shall be provided for all planted areas, except for the native riverbank plantings where irrigation shall be optional. Tukwila Community Center Page 17 C. SPECIAL PERMISSION: PUBLIC FACILITY SIGN CRITERIA (TMC 19.32.080) Single Family Zones: Home Occupation, Church, Approved Conditional Use and Public Facility Signs. (C) Public facilities may have one sign for each street upon which the property fronts; signs shall be located in the setback area or upon the face of the building. Total area of sign shall not exceed 60 square feet per face; maximum height above ground when in setback area shall not exceed sixteen feet; minimum setback shall be eight feet; and base of sign shall be located in a landscaped area...Illuminated signs shall use indirect, concealed sources, or backlighted letters on an opaque background. All signs in Subsection 19.32.080 (C) must be approved by the Planning Commission. Two freestanding monument signs are proposed for the Community Center site (see Attachment M, elevation A3.3). They are each 45 s.f. in area, and three feet in height. Materials used for the signs will be: brick base (to match the building's brick), and cast metal channel letters with a chrome finish. The signs will be located in accent landscaping at the site entry drives (see Attachment D). No special lighting is proposed for the signs. SPECIAL PERMISSION SIGN CONCLUSIONS: The freestanding signs are in visible and logical locations. By incorporating elements similar to those found in the building, the signs are integrated with, and complement the building architecture. While no special lighting is proposed, site lighting should be adequate for sign visibility. SPECIAL PERMISSION SIGN RECOM1VIENDATIONS: Staff recommends approval of the 2 freestanding signs as submitted. 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I j 1- -- — -1 ( 00.21. pmsz II CPWM1) / I' I'--.1._ t. I I 4 in_ j . I . \ \ A . i o \ I - _ _ _ _ - I, . .o L J. _ _ , , ...17.M / • 1 • I i i, \\ \ ' • - \ , 's • CL 15.0 -------------- . _ 'ft II 1,.. j/ >,' ......., \ '1:•-•,, Tor 0, lil • ..--- t *"-- I AC----g,",-..- ii S 124TH ST S 125TH ST I Or.* • • LOOT Or CAM: MC • 0 111001 ASTIALT PATO E..... .. soporpopb• • W. .0 0 STORY DOW DUVALL 10' MOE C....0010 to., fo...cval of ..1 CeO..0. b Wm.. 0 Cookne 0.•••••0 fo of aale• frperd P10 95•Pf0. NOIES I 4.. leopop•ta•o •m.* tb. 4. ea. 0.• 100 0 Ow 00 1,...,1... es. es.O.val 4012 *O.* er• 1000 ••••••• Mo. 0 Ha, ow, leosonar•• orb, •••••••• Pg.*, • r. fibb, As Ono. 0.1 • ...cwt. Me *woo *cub. en.. Me Mr I. nom.", Vv.. el Pt '192 moo, 30. ROVISOOI 11.04,CL ACCCSS 05.55T. FUTIJOC olataaaOCZ CASCOVIT PTA .1.1C CO. 5T010.0. GRAPHIC SCALE PARKING DATA IwelonC MONOLD: 5.0000 072 .ACT — (300 0.00C.v. TOY. 327 ARC ••••C 00.501. .51 nor boor 9077.30, MII:11121 K81211....11 O., MOW. 04.05 roao WI NO mon MI roan on rag 1.II, Lel IMIM 0=1,1•1, .--""••• OF Ow 1.■• GRADING AND- DRAINAGE — PLAN --- XCIO0 3/ 30400700 Wt0 • KEYMAP SCALE IN FEET HOUGH BECK & BAIRD INC. LANDSCAPE ARCHITECTURE PLANNING II MOAN DESIGN 1000 LEK. STREET. 0911E 919 sw Tu. •9911410.1 98128 (ZOO 082-.1031 Off COOMPI PPM ACM-- _NAM- ULM,- Pill= Awmaw-istivermifizetaigelir.iitts=tammesmriatikaiefiSmigamsAmikefails. agegMagaget-PWMPligMf0.P.r,mmintlf1P.MWAtiwisiwrizimm rv".„411, 4,110, mw ,Atrw,,,I,7w76-10wown, WIP 01IP .41 0 .41 se •••so -et 000 . ■11;4" '43 0 c, -- • �� ii ■ ■ ■ ■ ■ ■G. \. 256 1 ). ! Y( Y1 1( 1( 1( 1�111�111�1111111'(1(1'1�: :•;: � �O 111111 E� vAlsort IRIRE •• --- 7 —A.RSfN51.14.01 10.TYLIQ55.c6L NL12 - _ s w )1111_ i anN I.A._ _NIT1>70I.,. DNINDO _,11LS60 .Olt —__ yCO_ —_ _N. NU mnytim— AA KEYMAP SCALE IN FEET 11 mtt. a. 3. aAnoi .0 7'6 HOUGH BECK & BAIRD INC. LANDSCAPE ARCNITECSLRtE RL6'0IPIC ♦ URBAN DES! CAI 1000 LENORA 516EE1. 0111E 516 SEATTLE. RASNINCTON 96121 (206) 862-3055 J.c- J.1. J.._ 3.a. J.. J.� J.4.. a J•. J... 1969 M"VISEZ ,MITISTO AlM.:.Im Q.TSEfm'RMEIN PLi,T.NY L'P .i ascot- rwristT =Gwamaurana is. . I. '''''',..!WrrilliiirnWrilg: 0 PI i or. Alliraw ilia 1= eair,rw Air am... Ai:: Avon 4111.7 rw•Abigiowaliki:avrilliiir.1 r. ■ A •iiiw 'si VP • IA!:A — i� A •1,+ 'q,W *4,A 'Aj A 'Al w . Vi PIP en A 1► T9 )21 1601'Ia1 200 -O-"" • P —NTLIDOWINLIMG11111 • 20 59 ISM -- 19 19 -O- KEYMAP Cti 561 JN S,. • _ masse .6 j2_ -360 5? TOE OF SLOPE • • J95 /s 10 . -/-6.2 49 89 LIMIT OF GRADING 0 20 40 60 MORO SCALE IN FEET fan 6 101161 {Un902 4 319 HOUGH BECK & BAIRD INC. IA.OSCARE ARCHITECTURE PLM II9C 6 URBAN GESICH 1000 ttu509 STREET. SUITE 516 SEATTIL 9920119709 96121 (209) 662 -3051 -L=- PLANT SCHEDULE 5028. 070. SdEN)ifC /COUMON NAME 0 0 G O 0 0 5, TREES 57ZE/REMARKS Ace. rub.. Fed 5.nse1' RED SIIN5CT MAPLE Th.p RNa.a 4£57(00 RED CEO. L• (Ki40 CYPRESS Sfoos / file coda.. breewl* TAENLLAEN UTTLEEAF LNOON 76 PI.. 604...0 0'.N1I0EER rL04Ee**C PEAR 17 TN.pa n *101014/90 6E51ERN 600L004 • 9,00807 .9W o 0OrZtt 0020.05 F 3 n Ace. 7A ...Loa .•K MAPLE Betu10 jea.r.mti JACO.NONT. OREN • • lAcroli Cooa9o, 1p nlK: Bea,tj NAJESTC BEAUTY EL7894(N MAGNOLIA 7 r .46.4•, 9,1.60, 80W4AL1 MAPLE 5 *A4.0 aepon4 RW RIDER J.2 1 '.0.960066 � KOLE FR "(4)r- E 11 Pn.t unto,. SmCRE PINE CJ 3 KAT51F• I.GmcVn 07 Pa.dtfe P «•00 PERS. PARe06A 7 Gory. c0L. o IUNt19M r(PCRT 3 07.000 740.0 RED OAK JAPr 60m0tum ANESE MAPLE C44n41 Sousa "OUST. DOG10000 CANT.. 0eoA..6. INCENSE CEDAR 9.... nyr* AUSTRIAN PIE 04.16,0 rotor Em.o.olo COLTAe•1A8E DIGITS. OAK F.o.nus NUt.1e OREGON ASH I• Cd. Nn� 119.28 6.010.4 . tn.. • 06,1,0 Ned, 6010.4 • 1r & cent. M00er 6• -C Nt: BAB.rw .1 4001. 1406.. 9 [ri'S r CO:BAB 4N •00.• 0/ ,fart MP. • 86,110 I0o0. 2' Ca.B1B.nw aeae4ed 0/ .u. oOl Inr+ • 8.860 40dr 6' -9' Nt.:9•e,W*A B•0N4 / traio4t • 76,40 toper • Ni4B9B :teeO 9.0+077.0 0/ .UOpM Wn* k 0681,0 Int*.. Net 160900. 6' -10' Mt:1344W41 Broached./ ran tbee (3) vu0** 2• cO:9ae. Apbe.. 1/2 ,'et, Ana. e. n41: -he.L4 1 -3/* Cd481.9.(t** ba0C.4 0/ str69•.l IrN.e k 1687," Ieo0er 2' C0.:BkB.M B•9.c.4 ./ 900:01 6.o. k 66,9,0 Node, 2 -2 -1/2 C".:B•9.•641 Broached ./ 1110,7* 1008*. & swat. Ie00e 6' -17 Cd:8419.44 1.90..0 0/ ,1,[941 INN • 76,1,0 1000*, E" -9' NI;BAB:WN sNOy41 6.494 & 7801.0 18048, 2' C0 :B* . o3 6,. B r.0n.. raga t w [6.6.28 1404 2' 00.8A9,WN boomed 1 0,441) tn.. 9 centra .coder 2' C01 :BeB.Werl 0ooc0ed ./ strut Iva. k contra. Nader 2' Ca.:8•0;WWt 6.01../ 6besot bun. k 7910. Nader 2 Cd:BAB,s . Banc... /,nn. •** (3) 2' 071:810M (3) b�^0.4 ./ 9,n. 9..e 484+ benched 0/ .7,04.) 14,0E & teat," Mader 6' -9' 770908(9.0 P.0.0 ./ .1.0:4•.9 Vona. k unt. 110000 2' CdsBalk• '01.00 0/ sbo:9l1 90404 ! cob" Newer 6• -9. NL:BAB:WOI bmch4 ./ .d"y.l 914 ! 6•46," Nader 5YU. OTY. SCIENT87C /CODUON NAME • 49 O 51 O '04 e 1e sines SIZE/REMARKS 8.400.1901 9469 .147* Y6, JmM KEN YNEO0 ANOOOC 1 004 &96,94 b.6, Noe. EEN 1YN4 LOLLY 06[4.0. 0014/ DAMO MBURNw . 002• 0.11 0.00.e Iwe.00d4 09NARIA Q' 3 3D. Otto. 15..4 NODrsa. ® 0095 .*90(050* ROOIROSC O 35 E3 294 Q 17 • 294 O 25 D amn• .1000 WN1E8 0*PNNE 0 • 9 .33 2702 so It 407 157 157 307 Dome.. 0016 '02.06.40 DRAW' BURWNC BUS . ovoNon (41007((11 NuCKLEKRR, *n 0o0177r 4104.0/ SERYICEBERRT Mason,. Paoiq. '7 10 COMPACT OREGON CRAPE *8.00000,09, 'W so . 287594E 940000E10001 PAN ▪ .emeeneoo 'W016[ APO 900000EN0Rw Arpul4s weds 'C wOcta COMPACT STRA69EPRY TREE Annum garner.. '0110 L*0.' OTTO LLAMA (AUKS 001N1 stamJra RED 100C DOG*OOD 15' -16' Sm*e69AB /Cool: hi • M 0.004 15' -10• Nt.,BAe/C6,t:rw Y M b e. N. E 10 - -17' Sveod.8A8 /Cent.; Fw • M 04014.4 -5. 01 8161/C6,11 9,4 M 6,01764 • 16..0 (3) rnen 174. 2*' -30' Sae.6B*B/Cool: 9W • .ell 6.01[.4 16' -20 Nt;BAB/C...,T. • .N 6.010.4 12• -15' Saeu61318 /Conl_Fw • .N 6.010.4 21' -74• N1. ;9AB/Ca.t; 9w • •N bmN4 15 - -1e' NI :B•9/0oo1.; rw a M 6.01[.4 IS' -1e• 14t:81149/ Cmt:rw Y AN Pooch.. 15' -19' 0(1808/ CentJrw Y .N 079,0.86 Soreo68k9/Cm1: 9w • A. D.RNO 18' -21- Sa..613A8/C6,1: rw Y..* ku004 21• -2 *' 11148109/ cool ;rw 9 .4d 6.mched. le' -71• Soreo6OA8/C.L. rw k M 04020 2t' -24' Nt.:1349/ Cool;rw • .N broached EUEROENTS (SWALE EIOERGENIS) Anc90 effu840 SOFT RUST 0.00770 . pa.4+tr4 5886E RUSH S[:w. o0.1,, N4ROSIEN BALM. .Mews ten.. SLENDER 8094 PLANING NOTE: BARE 600E rut AND WELL ROOTED PLANTS 94ALL BE PLANTED IN A RAND04 PATTERN AT roltEN (15) NO4E5 ON CENTER TRIANGULAR SPACING IN B0TOC28 fY DRANAGE 5WALE PLANT NA7(••.1S PROPOSED 907( ACCESS BEN01 ANO LOWER BANK AKA ARE CON90ERED BY KING COUNTY SURF ACE WATER 10 BC 6000 rot RIVER BANK 51ABR12A1pN WERE 9(000 OR SALT *EDGE COMMONS NAY OCCUR. RANT SELEC110l BASED UPON 1ELEPNO.K CONLERSA010N WITH PUN 504AEFER OF KP00 COV4TY SURFACE WATER YAM *CENENI, 1NE KING COUNTY SURFACE WATER 0lWNNES FOR BANK STA9K1IAT104 PROJECTS 00E5 NOT PROMOS A UST CC SALT TOLERANT PLANTS FOR SMORELPK RESTORAT10N PROJECTS I (OUGI ( BECK & 13A 1(N) !NC. LANDSCAPE ARCHITECTURE PLANNING A I09AN DESIGN 1000 LEND.• STREET. SUITE 516 SEAT1lE. +.9.10019. 97,21 (206) 014 -SCSI Sri. 0TY. SCTENISFlC /CODUON NAME OROIIl71COV9RS 57ZE/REUARKS 4779 5 b ens.. 2310 Moo:e nevoso CASCADE GROS ED 746 Cbtus '0.0. 0(6..co DOGS 1.88(0501 8001,050 6764 Ar6IO,t0mtos t.e we: KP4WNKK O 343 Cr:0. 09080 ' 90*100ud 0i+i SPRWOROCO 810.2 NE•50(• 106 Sy.pnvk0lpe, 0643 94309Ek07 ▪ 4012 BOWIES PEERW.KLE 1265 Ko JAPANESE SPURGE ▪ 1113 Saco*0[cc nee,t 770 n..nirs SARCOCOCCA ▪ S07 08. 09.000'n.nr: 400(500 100710 O9 203302 SEEDED L•WN 10 IL • 0393 tAAS5R0A0 PAVERS a tl. • 0E17 ER090+ 000700. SEED NI. AR 04. (ACCESS 0EN04 AREA) 1 1a4 cant. F. •00 ',,60.10 and M rooted • 1e' 0C. 1,69006 460060 . 1 p• cont. rw• .N 0.a0n4 and .e0 .0014 • 09' 07. Troen.A06 seam; 1 9e. Coot, 9w..ea 6.9.004 ono *e0 rooted • ir 0 C. Trim90a woen9. I ow. 009 Mon.. 6.6.0.4 9W • quly 0000.9 • t9. 107. 1 pa.. coot. 94*. M 6.010.4 cad •e. rooted • 15' 0C. Tre•9a.06 s00*9* 1 40. trot.: F.4 .N *PN4 and •t* rooted • 20. 0C. Tr6.9I06 1006 4' pot: F. 910 •t* 6,010.4.15'07. Trion9J0 +107■9. 4' pa rW and .0 Pro.. end •N ,0014 • 15' 0.7. 1,:01900 400 411 1 90. eont rw .el Gras.. 010 .MI rooted Trgnpi0r spans • 19' Oc 1 p"l toot rw..e1 0.810.4 010 .91 c001. • 15' 07. Tr6pWa 01009* SEE CATALOG Cu, SKIT BANK SIA88JZAT10N (UPPER BANK) 1.400 257 110.4, 9tdmarp s6 N. 0(0005 DOGWOOD 57 Aer a :enotw. V.( MAPLE S7 962866 <9w, PO*. 940+9(080 157 S.". ^040940 NODRRS *6(04 157 5•*..891.7080 5COIAE05 284500 57 nodocrato S7 0.10.. Medd.. 5*LUONBERRY 57 66.+ 9009+08.8 070 CUAR*0T 8000 6.406* 257 4.y7 605E CUTTNCS OR EWE ROOT RANT 6 *1E6AL DEPENDENT UPON RUE 00 YEAR. PLANTING 9(54005 SMALL BE PER KNC COUNTY SURFACE WATER MANAGEMENT 0O0000405 FOR DANK 57*911ZA60N PROJECTS PLANTS S0Au. BE ...DONUT INT(0N:8ED Wi N 9(07(0171 FABRIC LAYERS ON RIDER DANK. ALL LOWER SANK PLANTING AREAS SMALL RECELE 09090N C0NTROI SEED. BANK STABIUZATION (LOWER BANK) 2.20 757 P.6, 7.14000 K It. .0 ROSE SON 257 ..00[,6.0 U.o0 woo. 507 0.48 (0Y,,) Tosco WE5TER% CRABAPPLE CUT10G5 OR BARE ROOT UPON ONE Or YEAR NT PLANING 9(TN9C5 SMALL BE PER KING COUNTY SURFACE WATER NANAGEN(NT GUIDELINES 900 8*NK STASI...00N PROJECTS PLANTS 94ALL BE RANDONLT 011(81I70D 28111. GE0TE01110 (ABM LAYERS 04 RIVER BANK. ALL LOWER BANK PUNTING AREAS 5N*LL REOCK 010901 CONTROL SEEO. NOTE: 10WEO BANK PLANTINGS 94A11 BE LOCATED BETWEEN EDGE OF ACCESS BENIN AND ONWU ELEV. (APPRO.. (LEY. 7.5) SEE OUL DRAMNGS ARC r•9 Pv r.l s.a1 �rtL e.TU•Ws 7271172 Ise 11777 rut e.5*8 n70.7.7 80 + WM DA vs1 ea s.0. 7. 827 5722 tAista nn .00 2 ROOF PEAK 0.0-.12' PLATE F1 FLOOR .066146 PATH 100 O- PATER LEVEL 00 HALK/6 / .10661N6 PATH A.ROOF I I6NT mm. CO M DEFT TION BOTTON OF BEM M1 06'0 F1FY1 ROOTR .106616 PATH YULK6aS / .!76616 PA f TYPICAL ROOF. /MIA/ ROOFING ER y / 12106E VENT CLAD MOOD HINDO16 STEEL FRAME W BRICK VENEER CANOPY ROOF. COVER BOA VT�ORR RETARDER 1 FLTMOOD SHEATHING MOOD BEA'K MA501FT COLI►F15 II Evir11l(D 3 AT g34119ll B NT RY SEE SHEETS I L�3 rANDSCAOING 3 IV 00 f __ aTaL_ W =_ _,MlLi Rn TNPTRr CANOPY DROP OFF TYPICAL MULL. 9L1[ 01015 LELTARTW OR &YY ET ARINIM�1+6 2+6 HOOD611V R•19 BATT IPM 5/6• TYPE x GYM LOBBY ROOF. ■O? MNOHT !BY COLE OFFMV0NT BOTTOM OF THIN ' $#LKM• / -10661116 PATH COMMUNITY EVER AREA §BN TIION AT AIIAIIN IENTIITRY SEE SHEETS 1.•I A. _•6 P. LANDZC.6PINCT x06616 PATH MAIN LOBBY FU4TINS ENTRY CANOPY A DROP OFF FLAG PLAZA WOOD RELOCATED BELL LOBBY HALL. m000 R/M6N16T111HC> 6YP%# WALL BOARD GLAD WOOD Y0100H HVAC MICE LOUVER BOtAI�IYOP,PY RRpO�OOFF. COVER BOARD TAPEf6D I�OH VAPO__ R RUCK H� MASONRY COLUMNS tzt 6TMUSUM ROOF. mmzcamil COVEN BOARD R1610 AON RETARDER VAPOR RETARRDER 5• MOOD DECKING STEEL TR1555 L16NT FIxTLRE WAG MGT RRA6�OIT.EMARLLLC.FG 1• ROOF. ZyOA�{V�ERR BOiARDNS T.Ps COURT OEK1G PANELS �— ROOF MOIMED CHILLER YaTH LOWERED SCREEN F— CEDAR FACIA / SOFFIT METAL GUTTER / DOTNSPOUT COILING FIRE DOOR COURT MALU, BRICK VENEER 6• LT&A1ET.5TLO5 R - -Ft BATT INSULATION T MALL PANEL SYSTEM RETRACTABLE BLEACHERS FIRE TdGK ACCESS 6TMMA5U7 6.04 / IRA METBALL FOrQE RAT ALL / SMASH DROP OPE SECTION AT GYAIINASIIII1AII 3EE SHEETS L-1 A. L-'+ !el,- LANDSCAPING MUTERLEV 5 I1' Ha 70 00 111V Oa WtUm BLUING - CROSS-- SUETI0149 - 170W-- RWL!>• O[DOII SR 80 l,A 2047 2411(10411 rMl� WS MOM Mlsif Od - 74004 rem IS' m 1t' I. ILO 7411 (0MIII Yla RN 7..00 IY 1' 700 sins 13' AI7. IDIOM RICE I. 0.G. ILLS UIC4 A' 031(1 PILL m op [/MOs 4117 SUM AI141 MO ICI 4T PL. S LAWS 0 LOOT TOME 74•00 YIY. 7MIDOt3S I' Ns • I) 140711MS NOW 1*1 x11 M mfl *IC 40114x441 IM MAIM: Y44YM SIR - M3f m u 4 (0 1/1 04. 10.) n70n 31.a(s0)n) 41030 3141 2) RS LMLRMS PLAN [x11 I-0 TIM RYR IMMIX LITT. CRS: 1. ■NOES 04 014/4401 RUM. ICES NO 144014 90.1. 4 8430 M A IMWI MISS.= PATTER. 7. !1001013 41 G01 4141 M /WOt1 NO 000111 -RI4X. 3.7110040 PUN Sxsi l-0 CM MEMO ~4014 2101. 91A1RIND DETAIL VEGETATED GEOGRIO MEA DM STA2I) tZATIDN S3CTION MAO CUP. SOOL OT AT 3:1 20' YIY 2* LI101 04 ^4 s.: C— ICAO MU IOW —10 °fit 4/ ..M— !_ 7 O. IAN 0—L" . _ - \�• wan euxl 4 IA' YIY, 1• 11' 0174414. 70' -30' IOC 141 174 414 IO410.- / MUD 041 TOR 140 IIxA40 4124 OIII. 44I OUR 11111 Nonni Al IN MU M 2' 10 10' CONN. 0MR0S 741 7141O NO A 20' TO MU 10 144 IM4 PI41K MOM. -T RMi49(A11M M.D. O RMt FIVE 3' -2'044. 01A. A7401K ISMS 4OC COMM IT0414 LUCIA Or 141 OUR Ii 0~11114. 7.1 401001. otn 441n ( 41x140 0411 1) 4000C 000 9•11 xis 447243* 014141* 401141011 IN Ni 01411104. l) 31[001. 20 4041 ®Y 0075 RAMS 404 440404 AT 35. OG 1Q NM. S4A012AIM Mmes ELM OM ...118GEJIDZIEBRILDUAIL R' 1) 43 WOMAN RA 91111-2 301 S W 1 RANOC LOT. SALE SECTION ARC 44 rtt_ ( R ME2041! OMITS GRADING AND DRAINAGE --'- DETAILS - -- pd. 115 -- 77_77 ~1010 At 10421.44 Wf!0 C2- dfF r 111 .r RESTROOM /FITNESS ENTRY RACQUETBALL COURTS / WITH CHILLER ABOVE %. . UND- t- 1OUN•7CD uPUGHPg G COLUMN NCTAL. MALI DM LOCKER ROOMS FITNESS WING FITNESS ROOM _11_111M MAIIIMOUSHEMINEInnilre-gli GAMES DANCE POTTERY /CERAMICS ARTS AND CRAFTS MULTI- PURPOSE WING PRE-SCHOOL/CHILDCARE SFl4IOR PRE - SCHOOL /CHILDCARE - ENCLOSURE WALL Ia7uN0- MOUMfeD - tRIQHTh e COLUMNS] MGTAL HAL-IDC) VIIh3W II QDAii IPA1IIU IIN` G LOWERS, PAINTED COVERED ENTRY w] ?m _LaY]VLLfPt- _Ll]tLLL7�lII_1]I!_ — i.]i[A] Iu �>z 0 HUMAN SERVICES SENIOR ADULTS WING EXTERIOR ELEVATIONS- oaasa �p l4TA31= LOUNGE/K/LTI-PVRPOSE/DINING AREA SENIOR ADULTS TERRACE SITTING ALL _7t4p e:TEE!.. IrTEr aLLIE N r 1 C.A-1C.,- AT S.-MEL. RAIL. LC' TRC. i-JALL KITCHEN WITH HOOD FAWEXHAUST ABOVE BANGUET/t4EETING/AEROBICS MULTI-PURPOSE WING TERRACE SITTING WALL ....iorimr..._ illit i„.,R.Imar/Hte...cED METAL HALI DM LIPU64-crs, I :MEP mil al 111111i111111 11111011 MAIN LOBBY •t!! H!! LINE OF MAIN L0587. CLASSROOM/ YOUTH MEETING/TRAINING HouN-rn U&HT'4Th.NALJS. ISROu -1410...11.176-0 PLIGHTS COLLAMNS, METAL HALO DM BRICK ROWLOCK BRICK RUNNING BOND SI 17ING NALL DETAIL 3/4• TERRACE WALL .E.Tttal- PAIL-PAINTED • Ei_um. TRIM COLD_ PATH WATERLINE : • : : ! • i • ! • ... I I! • ; j, • 1 TYPICAL MATERIALS AND FINICI IC:, METAL ROOF HOOD TRIM, STAINED . METAL GUTTER AND DOW`ISPOUT, PAINTED 41-41000 SHADING TREU_15, STARS'? HOOD BOARD AND BATTEN SIDING, STAINED WOOD CHANNEL DROP SIDING • STAINED VENEER. SEALED WOOD WINDOWS AND DOORS, WITH EXTERIOR ALUMINUM CLADDING OFFICES STAFF LOUNGE BOILER ADMINISTRATION GYMNASIUM VIEW MON INIV111111 I—OPTIONAL CHILLER LOCATION STORAGE/TOILET r ICI - /71.1PUL-- - - ZAtlf-01.1,11-J111- _NAM -.PPM won_ EXTERIOR ELEVATIONS- .ffaud • MAcT_MUKINII n n n f n [TE HUMAN SERVICE-5 SENIOR/ADULT SERVICES FIRESIDE LOUNGE/BOO SENIOR ADULTS WING VIEW IFIRIDMI GARDEN AND 412NO AVIIDNIIJIR SOUTH VALL McuNTLT7 ' IGHT'i. METAL KALI O6 LOUNGF/KILTI PURPOSE/ TERRACE DINING AREA GARBAGE/RECYCLING ENCLOSURE BRICK WOOD/STEEL GATES TERRACE GYMNASIUM VIIEW OUTDOOR AIIb➢3A GYMNASIUM STORAGE EXHIBIT ENTRANCE FITNESS ENTRANCE RACQUETBALL COURTS W/OPAOUE DOOR FITNESS WING VOW MUM IIDILAYll ll IL DS WITH CHILLER ABOVE L 1 > ,c l� _im _XV= WWII-Ail- 711:R2 ROUND LMODUNTTSED CAST METAL LETTERSMLISH 6D GA R.Phi_ IV -0' FINIS4 SITE SIGN WITH ADDRESS ($UT M iN. p' FFoM PPoPLFT1 LING) r. r d r ! a ac —1— EXTERIOR ELEVATIONS -- MUIR wMQL"R ww,._ xit =A3;--3= iiwiwuwuaImiIMMIniummannuummmw111nul I In g lilIMMII:�umu111111krillI H1w. ifrrID DOD p VENT - D =Ioi't T./6100171D NA L- €DLDI Ot COLA F-4 c-, 1 = CA-Nd 7b\. -1-67113 y 6TU b� tr _.G MOP _ 10' 20' Z1S1s '1 .. . t, ANI.,_,?.,,ztAi 0--,--e-,-7,----- f iNF26 EP- -Ddg-NIE _ 1.) 1 1' 5'. 20' 2 • IS- LOUNGE MULTI- PURPOSE JANJ HUMAN SERVICES STORAGE SENIOR ADULT/ FIRESIP ARTS GRAFTS .". • POTTERY CERAMICS ike7E j/EPY . a • :o Pzu,-Gwei, IRLIGHTS 11•12,T13_ x.m1313!. DINING WEDITTIGAL BUILDING FLOOR AREA GROUND FLOOR, 45.560 5.F. ME-OHANIGAL MEZZANINE, 2,100 5.F. BUILDING TOTAL 48,260 5F. 8111111101E6 AND SOCIAL WING Es, r s 0 • BANQUET MEETING AEROBICS CLASSROOM MEETING TRAINING YOUTH MORD 0 UPLI6NTS o F1RST ftOOR- SME 'V.10 i; 11,11!il 1 11111111 11;.: ! ; I ! I 111:' NOIONSISY4 'MUM JaWaD .[11.93 RUM njt L 42ND AVE S , S 124TH ST r— l ,, sk • i (11 —_ / .<• ��\� .x,';; •' ,,:\•�- 1 oi%'`I`ijJ''I` L) y.� 2 pIr K Iran we rO tat n L.•/a yt `. U•01.1100.1(IWr'C100.U•01.1100.1 11411.4 1019CE 10 14M 09 COO 9'•,Q q.l ot 10119.4 0.10 a arc Lr< -/i �•�� 9 : •• r �i ./. oma' Q,-': LEGTRIGAL SITE PLAN RC •s 20C11.1C0 1 1 0.01 DIMENSIONS 044• Ud1ii • • -- t al•MC •-- i-- SALL 1. GLIM SOX 9041. 1 MEM •. 991.4 ...9.904. / TidIL/ ••1040 OOIt d0[• R[ MX TO 10941LLL011.0•.04••011.0 Y C�n COOKIE9101. OKIC ••X TO.1.K 919.4 E ---OO 090111 10 C• 110.0•0•490a • 0940 1119.10 0h1191T4. at ONTO 41T wl ••9(• 10 h9. RC (TM C.O. 1•••0011 a1) l••r dwn `— •IQa/ C.' 1L0 ..•4 0.114 P .S MIN O• 0.001143 (0. 111r 0 19.140) aorta r9. (1004) •----.101101.11 n NW.. .111 rat 01 0 MC1..0 USE /14.1114.I u OOCIC 1001 \ — RS. 9li0 IC .n •*—oc. • #—c— , — MOO Ri 041-I.9111.•a 00441 POLEBASE DETAIL OCT 10 SC44 LEG -END: OA - Pa -E. LT 00 - PO(.L.ARD 1.14,4-11 OG - GRO."ND-MGUNTEo UPLI&HT GRAPHIC SCA(l. ARC 119 UV Pal 11•Cr1 1419.L. 144-90 9•91•12.101 am COMM _ELECTRICAL SITE PLAN zt r.a aA a vn/a 0(0M OAC ROACt R 1701 9QL ES A F F I D A V I T Notice of Public Hearing LI Notice of Public Meeting 0 Board of Adjustment, Agenda Packet 0 Board of Appeals Agenda Packet Planning Commission Agenda Packet fj Short Subdivision Agenda Packet O F D I S T R I B U T I O N hereby declare that: fl Notice of Application for Shoreline Management Permit fl Shoreline Management Permit fl Determination of Non - significance 1 Mitigated Determination of Nonsignificance 0 Determination of Significance and Scoping Notice 0 Notice of Action 0 Official Notice Other 0 Other was m d to each of the following addresses on ? — 9 _plc" ero fm1911 /kJ 01/. Name of Project File Number L S 06Q(] City of Tukwila PUBLIC BEARING NOTICE Notice is hereby given that the City of Tukwila Planning Commission and Board of Architectural Review will be holding a public hearing at 7:00 p.m. on February 23, 1995 located at City Hall Council Chambers, 6200 Southcenter Blvd. to discuss the following: PLANNING COMMISSION PUBLIC HEARING PROJECT: TUKWILA COMMUNITY CENTER Conditional Use Permit #L94- 0089 Special Permission Sign #L95 -0007 APPLICANT: City of Tukwila PROPOSAL: Construction of a 40000 sq. ft. multi- purpose recreational facility on a 12.8 acre site along the Duwamish River. The project will include indoor and outdoor recreation facilities, offices, softball and soccer fields, events plaza, public river trail, a 330 -car parking lot, bioftration swales, sidewalks and landscaping. Approximately 480 linear feet. of riverbank will be regraded, armored with rip -rap, and revegetated to improve habitat. Also proposed is a freestanding site sign of 60 sq. ft. in area. Planning Commission approval is required for public facility signs in residential areas (TMC 19.32.080). LOCATION: 42nd Avenue South and South 124th Street S.E. 1/4 Sect. 10, Twn. 23, Rge. 4 BOARD OF ARCHITECTURAL REVIEW PUBLIC HEARING PROJECT: TUKWILA COMMUNITY CENTER Design Review #L94 -0088 APPLICANT: City of Tukwila PROPOSAL: Construction of a 45,000 sq. ft. multi - purpose recreational facility on a 12.8 acre site along the Duwamish River. The project will include indoor and outdoor recreation facilities, offices, softball and soccer fields, events plaza, public river trail, a 330 -car parking lot, biofiltration swales, sidewalks and landscaping. Approximately 480 linear feet of riverbank will be regraded, armored with rip -rap, and revegetated to improve habitat. LOCATION: 42nd Avenue South and South 124th Street S.E. 1/4 Sect. 10, Twn. 23, Rge. 4 PLANNING COMMISSION PUBLIC MEETING PROJECT: COMP USA, L95 -0005 APPLICANT: Pam Combs, Tube Art PROPOSAL: Approval of a 122.85 sq. ft. sign based on doubling of the setback. LOCATION: 17400 Southcenter Parkway, Tukwila. Persons wishing to comment on the above cases may do so by written statement or by appearing at the public hearing. Information on the above cases may be obtained at the Tukwila Planning Division. The City encourages you to notify your neighbors and other persons you believe would be affected by the above items. Published: Seattle Times February 10, 1995 Distribution: Mayor, City Clerk, Property Owners /Applicants, Adjacent Property Owners, File. • A F F I D A V I T Notice of publopi Hearing raeh O Notice of Public Meeting fl Board of Adjustment Agenda Packet fl Board of Appeals Agenda Packet fl Planning Commission Agenda Packet fl Short Subdivision Agenda Packet O F D I S T R I B U T I O N hereby declare that: Notice of Application for Shoreline Management Permit J Shoreline Management Permit ODetermination of Non - significance 0 Mitigated Determination of Nonsignificance O Determination of Significance and Scoping Notice O Notice of Action 00f ficial Notice Other Other was mailed to each of the following addresses on °Y� /�S 7viCGU/A- Name of Project C WA File Number "ALL196 --QD$47 �q5 — 0007 • _ City of Tukwila John W. Rants, Mayor Department of Community Development Steve Lancaster, Director City of Tukwila PUBLIC HEARING NOTICE Notice is hereby given that the City of Tukwila Planning Commission and Board of Architectural Review will be holding a public hearing at 7:00 p.m. on February 23, 1995 located at City Hall Council Chambers, 6200 Southcenter Blvd. to discuss the following: PLANNING COMMISSION PUBLIC BEARING PROJECT: TUKWILA COMMUNITY CENTER Conditional Use Permit #L94 -0089 Special Permission Sign #L95 -0007 APPLICANT: City of Tukwila PROPOSAL: Construction of a 48,000 sq. ft. multi- purpose recreational facility on a 12.8 acre site along the Duwamish River. The project will include indoor and outdoor recreation facilities, offices, softball and soccer fields, events plaza, public river trail, a 330 -car parking lot, biofiltration swales, sidewalks and landscaping. Approximately 480 linear feet of riverbank will be regraded, armored with rip -rap, and revegetated to improve habitat. Also proposed is a freestanding site sign of 60 sq. ft. in area. Planning Commission approval is required for public facility signs in residential areas (TMC 19.32.080). LOCATION: 42nd Avenue South and South 124th Street S.E. 1/4 Sect. 10, Twn. 23, Rge. 4 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • (206) 431-3670 • Fax (206) 4313665 • BOARD OF ARCHITECTURAL REVIEW PUBLIC HEARING PROJECT: TUKWILA COMMUNITY CENTER Design Review #L94 -0088 APPLICANT: City of Tukwila PROPOSAL: Construction of a 48,000 sq. ft. multi - purpose recreational facility on a 12.8 acre site along the Duwamish River. The project will include indoor and outdoor recreation facilities, offices, softball and soccer fields, events plaza, public river trail, a 330 -car parking lot, biofiltration swales, sidewalks and landscaping. Approximately 480 linear feet of riverbank will be regraded, . armored with rip -rap, and revegetated to improve habitat. LOCATION: 42nd Avenue South and South 124th Street S.E. 1/4 Sect. 10, Twn. 23, Rge. 4 PLANNING COMMISSION PUBLIC MEETING PROJECT: COMP USA, L95 -0005 APPLICANT: Pam Combs, Tube Art PROPOSAL: Approval of a 122.85 sq. ft. sign based on doubling of the setback. LOCATION: 17400 Southcenter Parkway, Tukwila. Persons wishing to comment on the above cases may do so by written statement or by appearing at the public hearing. Information on the above cases may be obtained at the Tukwila Planning Division. The City encourages you to notify your neighbors and other persons you believe would be affected by the above items. Published: Seattle Times February 10, 1995 Distribution: Mayor, City Clerk, Property Owners /Applicants, Adjacent Property Owners, File. Re: 01- 79- 0032 -38 (12400 42nd Ave S) Verline E Harris 10529 SE 213th St Kent WA 98031 -2046 Re: 01- 79- 0000 -80 (12244 42nd Ave S) Resident 12244 42nd Ave S Tukwila WA 98178 Re: 01- 79- 0001 -00 (12258 42nd Ave S) Larry & Evelyn Howe 14548 SE 51st St Bellevue WA 98006 Re: 01- 79- 0001 -40 (12247 43rd Ave S) Curtis J Sweeney 12253 43rd Ave S Tukwila WA 98178 Re: 01- 79- 0003 -00 (12240 43rd Ave S) Sandra Deleza 12240 43rd Ave S Tukwila WA 98178 Re: 01- 79- 0003 -20 (4304 S 124th St) Kim M Anderson 112 5th Ave SW Pacific WA 98047 Re: 01- 79- 0003 -40 (4316 S 124th St) Jeffrey Greenway 4316 S 124th St Tukwila WA 98178 Re: 01- 79- 0003 -65 (12249 44th Ave S) Laurence Weikum 12249 44th Ave S Tukwila WA 98178 Re: 01- 79- 0005 -55 (4408 S 124th St) Jim Joslyn 4408 S 124th St Tukwila WA 98178 Re: 01- 79- 0005 -75 (4426 S 124th St) Resident 4426 S 124th St Tukwila WA 98178 Re: 01- 79- 0032 -38 (12400 42nd Ave S) Resident 12400 42nd Ave S Tukwila WA 98178 Re: 01- 79- 0000 -90 (12250 42nd Ave S) James & Jessie Baker 19 East Cresta Way Chula Vista CA 91910 Re: 01- 79- 0001 -00 (12258 42nd Ave S) Resident 12258 42nd Ave S Tukwila WA 98178 Re: 01- 79- 0002 -90 (12248 43rd Ave S) Jack Jay Carlson 2024 S 304th St Federal Way WA 98003 -4845 Re: 01- 79- 0003 -15 (12254 43rd Ave S) Phillip E & Charlene Gearhart 219 S 107th St Seattle WA 98168 Re: 01- 79- 0003 -20 (4304 S 124th St) Resident 4304 S 124th St Tukwila WA 98178 Re: 01- 79- 0003 -50 (4318 S 124th St) Laurie Dearinger 4318 S 124th St Tukwila WA 98178 Re: 01- 79- 0003 -80 (12245 44th Ave S) Gayle M Jacobsen 12245 44th Ave S Tukwila WA 98178 Re: 01- 79- 0005 -65 (4412 S 124th St) David J Siquaw 4412 S 124th St Tukwila WA 98178 Re: 01- 79- 0005 -35 (12254 44th Ave S) James D Hunley 12254 44th Ave S Tukwila WA 98178 Re: 01- 79- 0000 -80 (12244 42nd Ave S) Ben Kolstad 12238 42nd Ave S Tukwila WA 98178 Re: 01- 79- 0000 -90 (12250 42nd Ave S) Resident 12250 42nd Ave S Tukwila WA 98178 Re: 01- 79- 0001 -05 (4208 S 124th St) Frederick F Walker 4208 S 124th St Tukwila WA 98178 Re: 01- 79- 0002 -90 (12248 43rd Ave S) Resident 12248 43rd Ave S Tukwila WA 98178 Re: 01- 79- 0003 -15 (12254 43rd Ave S) Resident 12254 43rd Ave S Tukwila WA 98178 Re: 01- 79- 0003 -30 (4306 S 124th St) Cassandra Extine 4306 S 124th St Tukwila WA 98178 Re: 01- 79- 0003 -60 (12253 44th Ave S) Ioan Nistor 12253 44th Ave S Tukwila WA 98178 Re: 01- 79- 0005 -50 (4402 S 124th St) Donald & Juanita Leckband 4402 S 124th St Tukwila WA 98178 Re: 01- 79- 0005 -75 (4426 S 124th St) Robert J Levack 29707 4th Ave SW Federal Way WA 98023 Re: 01- 79- 0005 -25 (12242 44th Ave S) Aaron Prestegaard 12242 44th Ave S Tukwila WA 98178 + Re: 01- 79- 0006 -00 (12245 45th Ave S) Lorene L Mathis 12245 45th Ave S Tukwila WA 98178 Re: 01- 79- 0007 -85 (4518 S 124th St) George G Gomez 4504 S 124th St Tukwila WA 98178 Re: 01- 79- 0007 -45 (12244 45th Ave S) Arthur & Brenda Burrington 12244 45th Ave S Tukwila WA 98178 Re: 01- 79- 0008 -20 (12245 46th Ave S) Resident 12245 46th Ave S Tukwila WA 98178 Re: 01- 79- 0009 -85 (Lot 19 -20 Allntwn Add) Daniel C Aragon 4610 S 124th St Tukwila WA 98178 Re: 01- 79- 0010 -25 (12253 47th Ave S) Charlie & Rose Marie Ross 12253 47th Ave S Tukwila WA 98178 Re: 01- 79- 0030 -25 (Lot 5 -7 Blk 14 Allntwn) Mackey L White 4615 S 124th St Tukwila WA 98178 Re: 01- 79- 0027 -15, 35, 36 (4609, 4621, 4627 S 125th St) Stephen A Pearce 605 SW Ambaum Blvd Seattle WA 98166 Pam Carter 4115 S 139th St Tukwila WA 98168 Nancy Lamb Foster Community Club 4251 S 139th St Tukwila WA 98168 Re: 01- 79- 0005 -85 (12253 45th Ave S) Roe S Decker 12253 45th Ave S Tukwila WA 98178 Re: 01- 79- 0007 -85 (4518 S 124th St) Resident 4518 S 124th St Tukwila WA 98178 Re: 01- 79- 0008 -10 (12253 46th Ave S) Arben Marku 12253 46th Ave S Tukwila WA 98178 Re: 01- 79- 0009 -65 (12246 46th Ave S) Thomas M Applegate 12246 46th Ave S Tukwila WA 98178 Re: 01- 79- 0009 -95 & 1005 (4610 S 124th St, Lot 23 Allntwn Add) Daniel C Aragon 4610 S 124th St Tukwila WA 98178 Re: 01- 79- 0030 -05 (4603 S 124th St) Albert D Capellaro 1728 Lake Ave S Renton WA 98055 Re: 01- 79- 0030 -30 (4623 S 124th St) Jacqueline Baca 4623 S 124th St Tukwila WA 98178 Re: 00 -04- 8000 -03 (12600 Interurban) Sammis PCA Partners Saris Regis Group 6755 S 216th St Kent WA 98032 Karen Walter Muckleshoot Indian Tribe Fisheries Dept 39015 172nd Ave SE Auburn WA 98092 Virginia Cross, Chairperson Muckleshoot Indian Tribe 39015 172nd Avenue S.E. Auburn, WA 98002 Re: 01- 79- 0007 -82 (4504 S 124th St) George G Gomez 4504 S 124th St Tukwila WA 98178 Re: 01- 79- 0007 -55 (12252 45th Ave S) Harry & Arlene Steinberg 12252 45th Ave S Tukwila WA 98178 Re: 01- 79- 0008 -20 (12245 46th Ave S) Daniel C Aragon 4610 S 124th St Tukwila WA 98178 Re: 01- 79- 0009 -75 (12252 46th Ave S) Eldon Knight 12252 46th Ave S Tukwila WA 98178 Re: 01- 79- 0010 -10 (4616 S 124th St) David C Swanson 4616 S 124th St Tukwila WA 98178 Re: 01- 79- 0030 -05 (4603 S 124th St) Resident 4603 S 124th St Tukwila WA 98178 Re: 01- 79- 0027 -00 (4603 S 125th St) Iwao Hirano 4603 S 125th St Tukwila WA 98178 Re: 00- 04-8000 -02 (12642 Interurban) Seattle City Light Property Mangement 1015 Third Ave Seattle WA 98104 Dorothy DeRodas Duwamish Improvement Club 3910 S 114th St Tukwila WA 98168 Rod Malcom, Fisheries Dept. Muckleshoot Indian Tribe 39015 172nd Avenue S.E. Auburn, WA 98002 Walter Pacheco, Comm. Serv. Muckleshoot Indian Tribe 39015 172nd Avenue S.E. Auburn, WA 98002 Dr. Robert Whitlam, Archaeologist WA State Office of Archaeology 111 21st Avenue S.W. Olympia, WA 98504-8343 Andy Levesque, S.W.M. King County Public Works 400 Yesler Way, Rm. 400 Seattle, WA 98104 Mr. Phil Schneider, Flab. Mgmt. WA Dept. of Fisheries 115 General Admin. Bldg., AX -11 Olympia, WA 98504 Dr. Michael Silver South Central School Distr. 4640 South 144th Tukwila, WA 98168 CHECKLIST: ENV L)NMENTAL REVIEW /SHORELINE ,si;RMIT MAILINGS FEDERAL AGENCIES ( )U.S. ARMY CORPS OF ENGINEERS ( )FEDERAL HIGHWAY ADMINISTRATION ( )DEPT. OF INTERIOR -FISH & WILDLIFE SERVICE ( )U.S. ENVIRONMENTAL PROTECTION AGENCY ( )U.S. DEPARTMENT OF H.U.D. (REGION X) WASHINGTON STATE AGENCIES ( )OFFICE OF ARCHAEOLOGY ( )TRANSPORTATION DEPARTMENT ( )DEPT. OF NATURAL RESOURCES ( )OFFICE OF THE GOVERNOR ( )DEPT. OF COMMUNITY DEVELOPMENT ( )DEPT. OF FISHERIES ( )K.C. PLANNING & COMMUNITY DEV. ( )BOUNDARY REVIEW BOARD ( )FIRE DISTRICT #11 ( )FIRE DISTRICT #2 ( )SOUTH CENTRAL SCHOOL DISTRICT ( )TUKWILA LIBRARIES ( ) RENTON LIBRARY ( )KENT LIBRARY ( )CITY OF SEATTLE LIBRARY )US WEST )SEATTLE CITY LIGHT )WASHINGTON NATURAL GAS )WATER DISTRICT #75 )SEATTLE WATER DEPARTMENT )GROUP W CABLE )OLYMPIA PIPELINE ( )KENT PLANNING DEPARTMENT ( )TUKWILA CITY DEPARTMENTS: ( )PUBLIC WORKS ( ) FIRE ( )POLICE ( )FINANCE ( )PLANNING ( )BUILDING ( )PARKS AND ORECREATION ( )TUKWILA MAYOR )DEPARTMENT OF SOCIAL & HEALTH SERVICES )DEPT. OF ECOLOGY, SHORELANDS DIVISION )DEPT. OF ECOLOGY, SEPA DIVISION* )DEPARTMENT OF WILDLIFE )OFFICE OF ATTORNEY GENERAL *SEND CHECKLIST WITH DETERMINATIONS AND *SEND SITE MAPS WITH DECISION RING COUNTY AGENCIES ( )KING COUNTY DEPT. OF PARKS ( )HEALTH DEPARTMENT ( )PORT OF SEATTLE ( )BUILDING & LAND DEV. DIV.- SEPA INFORMATION CENTER SCHOOLS /LIBRARIES ( )HIGHLINE SCHOOL DISTRICT ( )KING COUNTY PUBLIC LIBRARY ( )SEATTLE MUNICIPAL REFERENCE LIBRARY ( )SEATTLE SCHOOL DISTRICTS ( ) RENTON SCHOOL DISTRICT UTILITIES ( )PUGET SOUND POWER & LIGHT ( )VAL -VUE SEWER DISTRICT ( )WATER DISTRICT #20 ( )WATER DISTRICT #125 ( )CITY OF RENTON PUBLIC WORKS ( )RAINIER VISTA ( )SKYWAY CITY AGENCIES ( ) RENTON PLANNING DEPARTMENT ( )CITY OF SEA -TAC ( )CITY OF SEATTLE ( )CITY OF BURIEN ( )TUKWILA PLANNING COMMISSION MEMBERS ( )TUKWILA CITY COUNCIL MEMBERS OTHER LOCAL AGENCIES ( )PUGET SOUND REGIONAL COUNCIL ( )P.S. AIR POLLUTION CONTROL AGENCY ( )SW K.COUNTY CHAMBER OF COMMERCE ( )MUCKLESHOOT INDIAN TRIBE ( )DUWAMISH INDIAN TRIBE MEDIA ( )DAILY JOURNAL OF COMMERCE ( )VALLEY DAILY NEWS ( )METRO ENVIRONMENTAL PLANNING DIV. OFFICE /INDUSTRIAL 5,000 GSF OR MORE RESIDENTIAL 50 UNITS OR MORE RETAIL 30,000 GSF OR MORE ( ) HIGHLINE TIMES ( )SEATTLE TIMES PUNIC NOTICE MAILINGS FOR PERMITS SEPA MAILINGS Mail to: (comment period starts on date of mailing) Dept. of Ecology Environmental Review Section Applicant Other agencies as necessary (checked off on attached list) Include these documents: SEPA Determination (3 -part form from Sierra) Findings (staff report, usu. with MDNS) SEPA Checklist (filled out by applicant) Drawings /Plans of project (site plan, elevations, etc. from PMT's) Affidavit of Dlstribution (notice was mailed & sent to newspaper). SHORELINE MAILINGS Notice of Application: Notice of application for a substantial development Permit must be mailed to owners and to property owners within 300 feet of subject property, prepare an affidavit of publication, and publish two consecutive weeks with deadline for comments due 30 days after last newspaper publication date. Shoreline Permit: Mail to: (within 8 days of decision; 30 -day appeal period begins date received by DOE) Department of Ecology Shorelands Section State Attorney General Applicant Indian Tribes Other agencies as necessary (checked off on attached list). Include these documents: Shoreline Substantial Development Permit (3 -part form from Sierra) Findings (staff report, if applicable) Shoreline Application Form (filled out by applicant) Drawings /Plans of project (site plan, elevations, etc. from PMT's) Site plan, with mean high water mark & improvements Cross - sections of site w /structures & shoreline Grading plan Vicinity map SEPA Determination (3 -part form from Sierra) Findings (staff report, usu. with MDNS) SEPA Checklist (filled out by applicant) Any background studies related to impacts on shoreline Notice of Application Affidavit of Distribution (notice was mailed & sent to newspaper) Affidavit of Publication (notice was published in newspaper). CONDITi("" ANAL USE APPLICATION CITY OF TUKWILA DEPARTMENT OF COMMUNITY DEVELOPMENT 6300 Southcenter Boulevard, Tukwila, WA 98188 Telephone: (206) 431 -3680 1. BRIEFLY DESCRIBE YOUR PROPOSAL: Cep U C7 fl o J or= A- 527 Oma . n 2. PROJECT LOCATION: (Give street address or, if vacant, indicate lot(s), block, and sub- division; or tax lot number, access street, and nearest intersection) .L K5 15) I ) 17 Ji I r3� t's-I�LEI- �'�o�,�l I-� A7D I'll o Quarter: 5 0. Section: IC) Township: £.) Range: 4 (This information may be found on your tax statement) 3. APPLICANT:* Name: (its`{ ic9r lb KW 1 L4 12A-RK,S ��P• Address: 6.24Pe). �o1..1- fi--1 G -j LVD. 1 `6,I 8t6 Phone O1 Signature: s.► Date: e,--/-: 6 / 914. * The applica., *is the person om the staff will contact regarding the application, and to whom all notices and reports shall be sent, unless otherwise stipulated by applicant. AFFIDAVIT OF OWNERSHIP 4. PROPERTY Name: (°i11 F ' tJ I 1 RAND`{ iZU OWNER "MC` I II Address: 62490 . A)--- .F 11`et2 Bu/P, 141.5% Phone: 433 . ©I71 I /WE,[signature(s)] swear that I /we are the ner(s) or contrac chaser(s) of the property involved in this application and that the foregoing statements and answers contained in this applica • en are true and correct to the RECE W I .74 NI /our knowledge and belief. Date: ,CT: 6 Iii+ OCT 61994 U;UMMUNITY DEVELOPMENT ATTACHPAENT U CONDITIONAL USE APPI "^.ATION Page 2 5. PRESENT USE OF PROPERTY: ALL 1 'L‘. I' - 6. PROPOSED CONDITIONAL USE REQUESTED (from list in TMC 18.64.020): 7. ADJACENT North: t 17t?j -t-r l ftL ( R -.1_, 72V) LAND South: RI fr4A-1.4141-1 IZIvR, 1 N i7U5`rRIhL 071-1 DP 4A1( A-Y 70■Fl.Pt'1o1I1 USES East: Rat 17t4-1-1A -L., (17Ze') West: 4ZN2. Aw_S - PUklAvii K1 VVZ, R.519 . 8. DETAILED DESCRIPTION OF PROPOSED USE (for example, describe the manufactur- ing processes used, wholesale /retail /warehouse functions, outside storage of goods or equipment or other information which will facilitate understanding of the activities you proposed to develop on this site): 14C -1-upF '1�EK4� L5, 3GG X12 PJ BILL) (71LH f (,- f'f i'l LS f a46 - Fa12 Cam? 9. Will the conditional use be in operation and /or a building to house the use be started within z7 ear of issuance of the permit? 10. Describe the manner in which you believe that your request for a Conditional Use Permit will satisfy each of the following criteria as specified in TMC 18.64.030 (attach additional sheets, if necessary). A. The proposed use will not be materially detrimental to the public welfare or injurious to the property or improvements in the vicinity of the proposed use or in the district in which the subject property is situated. RESPONSE: /r1-The-4-1- p B. The proposed use shall meet or exceed the performance standards that are required in the district it will occupy. RESPONSE: * c� 7 " CONDITIONAL USE APPICATION 10. (continued) Page 3 C. The proposed development shall be compatible generally with the surrounding land uses in terms of traffic and pedestrian circulation, building and site design. RESPONSE: , 1�-r�� ,_H-E r7 D. The proposed use shall be in keeping with the goals and policies of the Comprehensive Land Use Policy Plan. RESPONSE: A-1---rATA-1-017 E. All measures have been taken to minimize the possible adverse impacts which the proposed use may have on the area in which it is located. RESPONSE: 10. A. The use will not be detrimental to the public welfare or injurious to the property or improvements in the vicinity of the proposed use or in the district in which the subject property is situated. The proposed center is intended to improve recreational opportunities in the community. The Allentown neighborhood where the proposed site is located is an old residential area. This project should be beneficial to the neighborhood and may help revitalize the area. B. The proposed use should meet or exceed the performance standards that are required in the district it will occupy. The project will be subject to the requirements of the Board of Architectural Review, which should insure a high standard of design. It is a goal of the project is to create a community center which all citizens of Tukwila will be proud of. C. The proposed development shall be compatible generally with surrounding land uses in terms of traffic and pedestrian circulation, building and site design. The traffic impact of the project will be subject to review in the SEPA process. All required traffic mitigation will be completed. Pedestrian and bicycle circulation is being incorporated into the site design to tie into the Green/Duwamish River trail located across the river. The Subject site is 13 acres which allows for very large setbacks. Although the Community Center requires a larger scale of design and construction than the surrounding single family homes, the size of the site allows this increased scale to be absorbed without any adverse impacts to surrounding properties. D. The proposed use shall be in keeping with the goals and policies of the comprehensive plan. The Community Center and park improvements planned for the site are in keeping with the Comp. Plan land use element which shows recreation for the site. The overall development proposed for the site supports: NATURAL ENVIRONMENT, Goal 3; OPEN SPACE, Goals 1, 2 and 3; RESIDENCE, Objective 1, policy 2, and Objective 3, Policy 7. E. All measures have been taken to minimize possible adverse impacts which the proposed use may have on the area in which it is located. The design will be subject to review by the Board of Architectural Review. The community has been asked to participate in the planning and design of the proposed center. Adverse traffic impacts will be mitigated through the SEPA process. This project is seen as an asset to the neighborhood in which it is located, and should help to revitalize a neighborhood which needs an economic boost. E. All measures have been taken to minimize possible adverse impacts which the proposed use may have on the area in which it is located. The design will be subject to review by the Board of Architectural Review. The community has been asked to participate in the planning and design of the proposed center. Adverse traffic impacts will be mitigated through the SEPA process. This project is seen as an asset to the neighborhood in which it is located, and should help to revitalize a neighborhood which needs an economic boost. JAN 0 4 1995 DEVELOPMENT C - - • 6 ) . A. -- REV ts� -- . Tukwila Community Center Project Na:rative The City of Tukwila proposes to construct a multi - purpose recreational facility on a 12.8 acre site along the banks of the Duwamish River. The site is located on 124th Ave. S. and S. 42nd St. in the Allentown neighborhood of Tukwila. The proposed Tukwila Community Center building is planned as a 48,000 square foot facility housing a full size gymnasium, 2 racquetball courts, a fitness and weight training room, locker rooms, administration and recreation offices, youth and teen center, arts and crafts space, child care area, general meeting space, multi - purpose banquet space and a senior adult activity center. Site improvements planned to accompany the new Community Center will include a 327 car parking lot. When completed the parking lot and building will cover about 30% of the site in impervious surface. Storm water from the building will be discharged directly to the river. Storm water runoff from the parking lot will be gathered in biofiltration swales, ran through an oil separator and discharged to the river. Approximately 110,000 cubic feet of flood storage capacity will be added to the Duwamish river. An additional 20,000 cubic feet of storm water detention will be supplied on site. A control manhole will only release water from the parking area into the river when river volume is below flood stage. The river through this reach is subject to tidal influences. 480 lineal feet of the total 950 lineal feet of Duwamish River bank which fronts on the subject site will be stabilized. Existing steep banks will be regraded to a 2 to 1 slope and a 15 foot wide access bench will be placed just above ordinary high water to accommodate future river bank maintenance needs. The stabilized bank will be armored with rock rip -rap, and woody debris in the form of logs with root balls attached. The line of the river bank will undulate to create pockets of quiet water, improving the aquatic habitat. The completed bank will be fully revegetated using native riparian species. Site landscaping will include perimeter trees and shrubs to screen the parking area and athletic fields, with lawns and planting beds around the building. Parking lot interior landscaping will include sedges and reeds so that planting areas can also serve as biofiltration swales. RECEIVED FEB 0 11995 COMMUNITY DEVELOPMENT . Construction of the improvements mentioned above is planned to begin in summer of 1995 with completion planned in summer of 1996. The proposed park and athletic field improvements are scheduled for a second phase of construction in Spring of 1997. The athletic fields, picnic shelter, children's play area, outdoor basketball court and tennis court are planned to be constructed in this phase. When completed the site will be fully landscaped and a complete irrigation sprinkler system will be included. A portion of the subject site hes been identified as being of archaeological significance. This area is identified on the site plan. The entire site has had a subsurface survey done to determine the limits of the archaeologically significant area. This area does qualify for placement on the Federal Register of Historic Places. Site improvements have been planned to avoid any sub - surface disturbance of this area, preserving the site for future investigation. The following agencies and individuals have either been working with the City of Tukwila to develop the proposed improvements, or have been given the opportunity to review the City's plans: Phil Fraser Ann Siegenthaler Gary Schulz Don Williams Phil Schneider Andy Levesque Rod Malcom Walter Pacheco City of Tukwila, Public Works City of Tukwila, Dept. of Community Dev. City of Tukwila, Dept. of Community Dev. City of Tukwila, Dept. of Parks and Rec. Wash. State Dept. of Fisheries & Wildlife King Co. Surface Water Management Muckleshoot Indian Fisheries Muckleshoot Indian Cultural Affairs 72 v r 9 PQni 1=1 prj PP d � Q P d b PP PP PA a N2 I I 1 l I I I; i "J 1 t 11Y GNC. Ilf I i •11 I \ b 1. 1-114, jiiii 11:1 illgita -111;1 liljli I 1 7.•'. 11.1;5; Voliai.lti I 1 ; ; HAI! , . ki ; $ , ■ 1 • t II' I I I I I • II ! AOLDPIPISVAI Want r- i AN • Ja)ua,) { 7nEuarop A. •:, .1.. 1... t...,_ eitAzi\-4131 -i;. "... Aa • • . • : 1 1 : ; re a 'r r ! I ' ' ' • itl,1.1 c.r.):1 • ^•:, • 4. !...P !. :5; iii , , t i , : . $ $ $ ,,„ a I ' I a ..!•19/ RECEIVED II ES • .1071 1111. 14 1111 111.40.,1 1M••■.0.11.01.111147011 • 1 1 133S LIIGZ --ert/f1 _ 0 • I • OM.: .:-,.....-:-......:-...' -:........■::. 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F• 1P •F• ia is g II 11 11 • • o m ® 0 0 0 0. • e e • • 111 '` a 1 _i al Ai b 1 L 1.!i �II i1• 0 1 Lib I i Ihhg SPIN il E ! 1 1 1 1 1 1 1 1 1 1 1 1 1 1 h._ gi pi �.� /.E .i Ili .i �.i ei . �. gi I!' .i �i ? t ? � i fide di . a. 3..... h!! ?1; ' pia s4. • • :1 r 1 i • • • • b • L • L • • h fi h h 0•30® 0 0 0 0 000000 0 ®G e O SIIII 7.• 1' 1 2 xxotLrruirloo • C r I 1 1 I 14 Cr 1 l Transportation Impact Analysis for the Tukwila Community Center Tukwila, Washington November 1994 NOV 3 9 1994 November 1994 Tukwila Community Center TABLE OF CONTENTS INTRODUCTION 1 SCOPE OF THE REPORT 1 PROJECT DESCRIPTION 1 EXISTING CONDITIONS 5 SITE CONDITIONS AND ADJACENT LAND USES 5 TRANSPORTATION FACILITIES 5 PEDESTRIAN AND BICYCLE FACILITIES AND ACTIVITY 6 TRANSIT FACILITIES 6 TRAFFIC VOLUMES AND PEAK HOUR OPERATIONS 6 TRAFFIC SAFETY 11 PLANNED TRANSPORTATION IMPROVEMENTS 12 TRAFFIC IMPACT ANALYSIS 13 PROPOSED DEVELOPMENT PLANS 13 TRIP GENERATION 14 TRIP DISTRIBUTION /ASSIGNMENT ANALYSIS 17 FUTURE TRAFFIC VOLUMES /OPERATIONAL ANALYSIS 17 SIGNAL WARRANT EVALUATION 21 ALTERNATIVE MODE TRAVEL TO THE SITE 25 FINDINGS AND RECOMMENDATIONS 28 REFERENCES 29 Appendix A - Level of Service Concept Appendix B HCM Worksheets Kittelson & Associates, Inc. i Table of Contents November 1994 Tukwila Community Center LIST OF TABLES 1 Existing Intersection Level of Service 9 2 Accident Summary 12 3 Trip Generation Comparisons 15 4 Tukwila Community Center Trip Generation - Full Buildout 15 5 Future 1995 Intersection Level of Service with Site 17 6 Signal Warrant Analysis 22 7 Proportionate Intersection Traffic 25 8 Service Area for 10 Minute Travel Time 26 LIST OF FIGURES 1 - Site Vicinity Map 2 2 - Proposed Site Plan 3 3 - Intersection Lane Configuration and Control 7 4 - Existing Traffic Volumes Daily and Weekday P.M. Peak Hour 8 5 - Potential Channelization 124th/42nd Intersection 10 6 - Weekday Hourly Profile, Community Center Traffic 16 7 - Estimated Trip Distribution Weekday P.M. Peak Hour 18 8 - Total Site Generated Traffic Daily and Weekday P.M. Peak Hour 19 9 - 1995 Total Traffic Volumes With Site Daily and Weekday P.M. Peak Hour 20 Kittelson & Associates, Inc. ii Table of Contents November 1994 Tukwila Community Center EXECUTIVE SUMMARY An approximate 53,000 square foot Community Center is proposed on the southeast corner of 42nd Avenue South and South 124th Street in Tukwila, Washington. The following paragraphs describe the analysis methodology employed, analysis results, and the recommendations from the study. Traffic Analysis Methodology • The traffic analysis methodology employed in this investigation relies upon standard and nationally- accepted traffic engineering principles and practices. The methodology uses reasonable but "worst case" assumptions in several key areas to ensure a conservative analysis. All analyses are based upon the peak 15 minutes of the evening peak hour. For the remainder of the evening peak hour and during all other hours of the day and week, total traffic demands are likely to be less than is indicated in this report. Findings/Recommendations • The intersection of 42nd Avenue South and South 124th Street intersection is currently operating at level of service "F" during weekday p.m. peak hour conditions. • To mitigate the level of service deficiency at the 42nd Avenue South/South 124th Street intersection, the intersection should be signalized. The signalization will improve peak hour traffic operations from level of service "F" to "B" during weekday p.m. peak hour conditions. • Based on existing and site generated peak hour traffic volumes, the proposed Community Center should contribute approximately 4 percent to the overall cost of the signal installation. • At full build -out, the proposed center will generate approximately 1,940 daily vehicular weekday trips, with approximately 235 vehicular trips being generated during the weekday p.m. peak hour. • A sidewalk should be extended from the site frontage from 42nd Avenue South to the Green River Bridge to provide a better connection to the Duwamish/Green River Trail. Kittelson & Associates, Inc. 1 Executive Summary November 1994 Tukwila Community Center INTRODUCTION SCOPE OF THE REPORT The purpose of this analysis is to determine transportation related impacts of the proposed new Tukwila Community Center located at the southeast corner of 42nd Avenue South and South 124th Street in the Allentown neighborhood of Tukwila in King County, Washington. Figure 1 shows the vicinity of the proposed development in relationship to the major transportation facilities in the area. Specific issues discussed in this report include: • Existing land use within the project study area. • Existing traffic conditions in the site vicinity for p.m. peak hour conditions. • Trip generation characteristics for the proposed center. • Traffic impact of the proposed development on future peak hour operations at key intersections in the site vicinity. • Signal warrant evaluation at the intersection of 42nd Avenue South/South 124th Street. • Analysis of bicycle /pedestrian access issues to /from the site. PROJECT DESCRIPTION The proposed site plan is shown in Figure 2. The Tukwila Community Center will have a total building area of approximately 53,000 square feet and will include a wide variety of facilities catering to all age groups. The new Tukwila Community Center will replace the existing 24,000 square foot facility located nearby on South 131st Street. The site plan shows two full access driveways serving the center, one on 42nd Avenue South and one on South 124th Street. The site development is planned to occur in two phases. The first phase will include the Community Center facility, parking for 300 cars, a children's play area, river access for viewing, a walking /jogging path, off -site improvements and site landscaping. The second phase will include expansion of the parking area, a basketball/multi - purpose court, a multi - purpose athletic field, a walking/jogging trail, a tennis court, a volleyball court, a Kittelson & Associates, Inc. 1 Introduction > Z NORTH (NOT TO SCALE) �9t SITE VICINITY MAP TUKWILA COMMUNITY CENTER TUKWILA, WASHINGTON FIGURE 1 1 ■< NOVEMBER 1994 1376F001 NORTH (NOT TO SCALE) PROPOSED SITE PLAN TUKWILA COMMUNITY CENTER TUKWILA, WASHNGTON FIGURE 2 NOVEMBER 1994 1376F002. November 1994 Tukwila Community Center picnic shelter and other picnic areas, bocce ball for the senior center, horseshoe pits and site landscaping. The Tukwila Community Center is scheduled to be operational by 1995. Thus, analysis is focused on existing conditions plus project, which reflect 1995 conditions. Kittelson & Associates, Inc. 4 Introduction November 1994 Tukwila Community Center EXISTING CONDITIONS SITE CONDITIONS AND ADJACENT LAND USES The site for the proposed new Tukwila Community Center is located at the southeast corner of 42nd Avenue South and South 124th Street in the Allentown neighborhood of Tukwila, King County, Washington. The site is bounded by 124th Street to the north, 42nd Avenue South to the west, 45th Avenue South to the east, and by the Green River to the south. Current land uses in the vicinity of the site include a neighborhood convenience store (Allentown Grocery) and a City Park: the Allentown Pea -Patch and compost demonstration garden. Surrounding the site, land uses are primarily neighborhood residential. Immediately to the south of the site, 42nd Avenue crosses the Green River via a two -lane bridge. TRANSPORTATION FACILITIES The proposed Tukwila Community Center will replace the existing Community Center as the only center of its kind in the City of Tukwila, and thus will serve the entire Tukwila community. According to staff at the existing Tukwila Community Center, residents from Burien, Renton, SeaTac and Seattle also make use of the facility. Considering the location of the proposed Community Center in relation to the city limits and the surrounding communities, the primary access to the center is likely to be provided by Interurban Avenue (which will be used by traffic from Highway 599 and I -5) from the south, and by Highway 99 and 130th Street from the south and west. In addition to these routes, access from the north will be via 42nd Avenue South, and from the east via South 129th Street. Both South 42nd Avenue and South 124th Street are classified as collector arterials by the City of Tukwila. Both facilities are two-lane roadways without curbs, gutters or sidewalks. No on- street parking is allowed on either street. The posted speed limit on both 42nd Avenue South and South 124th Street is 30 mph. The "T" intersection of 42nd Avenue South and 124th Street is stop - controlled on all three approaches. Each approach to the intersection has a single lane. Interurban Avenue is a two -lane facility to the north of 42nd Avenue South, with a posted speed of 35 mph and no sidewalks. To the south of this intersection, it is a four -lane facility with a sidewalk on the east side only. No bicycle facilities are provided. Lane configurations and pertinent roadway characteristics for the signalized intersection of Interurban/42nd Kittelson & Associates, Inc. 5 Existing Conditions November 1994 Tukwila Community Center Avenue South and the all -way stop controlled intersection of 42nd Avenue South/South 124th Street intersection are shown together with sidewalk information in Figure 3. PEDESTRIAN AND BICYCLE FACILITIES AND ACTIVITY Pedestrian and bicycle facilities in the area are minimal. There are no sidewalks or bicycle lanes on South 124th Street. The bridge over the Green River has a sidewalk on one side only, and no provision for bicycles. The roadway shoulders on both 42nd Avenue South and South 124th Street are unpaved. As a result of the transportation facilities, and as expected, field observations in the vicinity of the project site indicated relatively little pedestrian and bicycle activity. TRANSIT FACILITIES Transit service in the vicinity of the site is provided by Metro via Route 124 (Airport) which has a bus stop on 42nd Avenue at the Allentown Grocery. This route provides service at approximate 30 minute headways on weekdays, and approximate 60 minute headways on weekends. TRAFFIC VOLUMES AND PEAK HOUR OPERATIONS As described in the trip generation section of this report, the combination of site - generated plus background traffic will be greatest during the weekday p.m. peak hour. Thus, this analysis focused on weekday p.m. peak hour traffic conditions. Manual traffic counts were conducted at the two study area intersections of 42nd Avenue South/South 124th Street and Interurban Avenue /42nd Avenue South during weekday evening peak hours on mid -week days during September 1994. The weekday p.m. peak hour was found to generally occur between 3:30 and 4:30 p.m. and the resultant turning movements are shown in Figure 4. Current Levels of Service All level -of- service (LOS) analyses described in this report are in accordance with the procedures stated in the 1985 Highway Capacity Manual (Reference 1). A description of LOS and the criteria by which they are determined is presented in Appendix A. Appendix A also indicates how LOS is measured and what is generally considered to be the acceptable range of LOS. To ensure that this analysis was based on a reasonable worst -case scenario, the peak 15- minute flow rate during the weekday p.m. peak hour was used in the evaluation of all Kittelson & Associates, Inc. 6 Existing Conditions 0 0 N t 0 IA N 't 20 245 NORTH (NOT TO SCALE) S. 124TH ST. • reN L599 e6, i ■ EXISTING TRAFFIC VOLUMES WEEKDAY P.M. PEAK. HOUR TUKWILA COMMUNITY CENTER TUKWILA WASHINGTON FIGURE . z J (7a NOVEMBER 1994 1376F003 599 z N ter Ln S. 124TH ST. SITE .1 i i GREEN :trs i NORTH (NOT TO SCALE) 14:141 LEGEND - TWO WAY AVERAGE WEEKDAY DAILY TRAFFIC EXISTING TRAFFIC VOLUMES DAILY AND WEEKDAY P.M. PEAK HOUR TUKWILA COMMUNITY CENTER TUKWILA. WASHINGTON FIGURE ia N NOVEMBER 1994 1376F004 November 1994 Tukwila Community Center intersection levels of service. For this reason, the analyses reflect conditions that are only likely to occur for 15 minutes out of each average weekday p.m. peak hour. Traffic conditions during all other weekday and weekend periods will likely operate better than those described in this report, except possibly when a special event occurs on a weekend. The levels of service for the existing signalized and all -way stop controlled intersection during weekday p.m. peak hour are listed in Table 1. Table 1 Existing Intersection Level of Service Intersection (control type) Delay (sec/veh) Volume/ Capacity Level of Service Interurban Ave /42nd Ave So. (signal) 16.0 0.46 C 42nd Ave So. /So. 124th St (all -way stop) * 1.46 F * - meaningless when V/C greater than 1.2 As shown in Table 1, for existing weekday p.m. peak hour traffic conditions the signalized intersection of Interurban Avenue /42nd Avenue South operates at LOS "C" with a volume /capacity ratio 0.46. The all-way stop controlled intersection 42nd Avenue South/South 124th Street was found to operate at LOS "F" with volume capacity ratio of 1.46. Based on review of the traffic operational data and field observations, the LOS problem was identified to be a result of significant northbound to eastbound right turning movements and westbound to southbound left turns. Compounding the LOS problem is the fact that heavy vehicles comprise approximately eight percent of the traffic stream during the weekday p.m. peak hour. To mitigate the identified level of service deficiency at the intersection of 42nd Ave. S. /S. 124th St., various alternatives were investigated including; change in traffic control, capacity improvements, and channelization improvements. One conceptual alternative investigated includes the installation of a raised island to channelize northbound to eastbound right turns to provide for an effective free right turn without stopping for the northbound to eastbound movement. Figure 5 presents the conceptual channelization to mitigate the existing level of service deficiency. It is important to recognize that the sketch as shown in Figure 5 is conceptual. Kittelson & Associates, Inc. 9 Existing Conditions. T vi 42ND AVE. . 124TH ST. YIELD SIGN CHANNELIZE NORTHBOUND RIGHT TURNS NORTH (NOT TO SCALE) POTENTIAL CHANNELIZATION 124TH/42ND INTERSECTION TUKWILA COMMUNITY CENTER TUKWILA, WASHINGTON FIGURE 5 I( NOVEMBER 1994 1376F005 . November 1994 Tukwila Community Center Based on discussions with City of Tukwila Staff, the channelization as presented in Figure 5 is unlikely to be implemented based on the following reasons: • right of way is very likely to result in a full take of the community grocery store due to removal of its access and parking which will cost an unusually high amount. • There is no grant resource for this as the project is not a high enough capacity or safety problem to rate on a state or regional level. • The wheel base 50 truck radius needed to serve the high amount of truck traffic will result in a high speed curve for car and pickup traffic. The community has continued to express major concern for safety - opposing high speeds as well as the truck traffic. The WB50 radius would be a significant concern for the community and council in approving this type of improvement. • The community has continued to express its high priority to maintain the "local" grocery stores remaining in Tukwila: the right -of -way take and continuous traffic movement at the store access would render it unviable from a safety perspective by the residents. As a result of the aforementioned issues, the improvement with the highest likelihood for implementation is signalization of the intersection. Consequently, a signal warrant analysis was conducted and is further described in a subsequent section of this report. As described in the signal warrant section of this report, the signal warrants at the intersection are marginally met. However, given the fact that the capacity enhancement alternatives at the intersection are not feasible, the best long term solution is signalization of the intersection with the north to east and east to south movement on 42nd and 124th the major street and the north leg S. 42nd Avenue as the minor street. With signalization, the intersection is anticipated to operate at LOS B with a volume /capacity ratio of 0.35 and average delay of 6.1 seconds /vehicle. TRAFFIC SAFETY The most recent available four year (July 1991 through June 1994) accident information was obtained from the City of Tukwila for the key study area intersections in the site vicinity. Kittelson & Associates, Inc. 11 Existing Conditions November 1994 Tukwila Community Center Accidents are tabulated here as the number • of accidents per million entering vehicles occurring at each intersection. Table 2 shows the accident investigation summary. Table 2 Accident Summary Intersection Total No. of Accidents (7/91 through 6/94) Accidents/MEV (Million Entering Vehicles) 42nd Ave. So. /So. 124th St. 3 0.26 42nd Ave. So./Interurban Ave. 5 0.38 Table 2 shows that both study area intersections have an accident rate of less than 0.40. Further investigation into the type, frequency, and severity of the accidents indicated no significant safety. The intersection accidents appear to be random and not severe. Based on the results of the traffic accident investigation, it is concluded that no significant traffic safety problem currently exists at the intersections in the immediate site vicinity. PLANNED TRANSPORTATION IMPROVEMENTS The Duwamisb/Green River Trail which is planned and currently under construction will follow the west bank of the Green River, opposite the proposed new Center. The 42nd Avenue South bridge provides a connection over the River to the proposed Tukwila Community Center, although no plans exist to provide separate bicycle lanes. Conversations with City of Tukwila officials indicate that there has been some discussion with regard to relocating truck movements on 42nd Avenue South to relieve the heavy vehicle demand on 42nd Avenue South especially at the intersection of 42nd Avenue South/South 124th Street. However, to date no formal adoption of the aforementioned improvement has been identified. Thus, no formal design plans have been completed. Kittelson & Associates, Inc. 12 Existing Conditions November 1994 Tukwila Community Center TRAFFIC IMPACT ANALYSIS The impacts of the proposed new Tukwila Community Center during a typical weekday p.m. peak hour were analyzed as follows: Kittelson & Associates, Inc. 13 Traffic Impact Analysis November 1994 Tukwila Community Center TRIP GENERATION The proposed Tukwila Community Center will provide a full range of recreational activities. Estimates of total daily and peak hour driveway volumes for a Recreational Community Center are contained in the latest available edition of the ITE Trip Generation Manual (Reference 2). The trip, rates in the ITE report are based on empirical observations at only one Recreational Community Center located in Rochester, New York, a 140,000 square foot facility that had 14,000 members. The ITE Trip Generation Manual describes a Recreational Community Center as "facilities similar to and including YMCA's, often including classes and clubs for adults and children, day care or a nursery school, meeting rooms, swimming pools and whirlpools, saunas, tennis, racquetball, and handball courts, exercise classes, weight lifting and gymnastics equipment, locker rooms, and a restaurant or snack bar." The proposed Tukwila Community Center is different from that identified in the Trip Generation Manual. The size of the facility and types of services provided are different from those at the Rochester facility. Given the weak database regarding trip generation for community centers, and the unique characteristics of the Tukwila Community Center, a separate trip generation survey was conducted at an existing Community Center in Tacoma (Norpointe) which shares similar characteristics to those of the proposed Tukwila facility. The Tacoma Norpointe facility was designed by ARC Architects where are also designing the Tukwila facility. The Tukwila facility is slightly larger than that of the Norpointe facility and contains athletic fields that Tacoma does not have. The purpose of the special trip generation study was to develop a specific trip generation rates for a Community Center such as the Tukwila facility. In addition to the trip generation study conducted at the Norpointe Center, Kittelson & Associates, Inc. compared trip rates at other facilities and on interviews with other Community Center operators located in the Pacific Northwest as well as a prior study conducted at the Renton Community Center. Information obtained from interviews with a number of Community Center Facility managers in the Puget Sound area indicated that the majority of their program support occurred during the week, with the highest traffic perceived to occur around the weekday p.m. peak hour. Additionally, based on the anticipated services provided and available recreational facilities a comparative trip generation analysis was conducted. Table 3 contains a summary of the comparative trip generation analysis. The assumed trip generation for the proposed new Tukwila Community Center is . shown in Table 4. Kittelson & Associates, Inc. 14 Traffic Impact Analysis November 1994 Tukwila Community Center Table 3 Trip Generation Comparisons Table 4 Tukwila Community Center Trip Generation - Full Buildout Time Period (weekday) Location Renton (TSM Study) . Existing Tukwila Tualatin Hills Norpointe Tacoma ITE Renton Study Estimate Size (sf.) 35,000 24,000 103,20 42,000 150,000 53,305 Daily Trips 2,806 996 2,795 1,093 N/A 13,540 Rate (/1,000 sf.) 80.17 41.5 27.1 26.0 N/A 254.0 P.M. Peak Hour 374 150 175 159 193 506 Rate ( /1,000 sf.) 10.68 6.25 1.7 3.8 1.38 9.49 Table 4 Tukwila Community Center Trip Generation - Full Buildout Time Period (weekday) Rate (Trips /1,000 gsf!) Total Trips In Out Daily Generation 36.6 1,940 970 970 A.M. Peak Hour 2.07 110 60 50 Mid -day Peak Hour 2.73 145 65 80 P.M. Peak Hour 4.43 235 120 115 ' - gross square feet As shown in Table 4, the new Community Center is expected to generate approximately 1,940 new daily vehicle trips and 235 new weekday p.m. peak hour trips on the surrounding transportation system. The estimated mid -day peak hour trip generation is estimated to be 145 vehicle trips, and during the a.m. peak hour an estimated 110 trips will be generated. Based on review of available trip generation information an hourly profile of weekday traffic was prepared to show the parking characteristics of the site. As seen in Figure 6, on an average weekday the traffic to /from the community center peaks right before lunch (noon) and after work (after 5 p.m.). This is a logical trip pattern given that the Community Center is primarily a destination oriented recreational facility. Kittelson & Associates, Inc. 15 Traffic Impact Analysis 250 200- Community Center Traffic Hourly Profile 0 -0 al 150 - c a) U CD 100 - 50- 0 1 T T T 1 1 I 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I 3 5 7 9 11 1 3 5 7 9 11 2 4 6 8 10 12 2 Hour Ending 4 6 8 10 12 WEEKDAY HOURLY PROFILE COMMUNITY CENTER TRAFFIC TUKWILA COMMUNITY CENTER TUKWILA, WASHINGTON FIGURE G 6 K NOVEMBER 1994 1376F006 November 1994 Tukwila Community Center TRIP DISTRIBUTION /ASSIGNMENT ANALYSIS The distribution of site - generated trips onto the roadway system within the study impact area was estimated through evaluation of housing density, employment characteristics in the area, and in discussions with the City of Tukwila staff. Figure 7 shows the estimated trip distribution pattern expected for the proposed expansion. Figure 8 shows the site - generated traffic during a typical weekday and p.m. peak hour. It is important to recognize that although the proposed Tukwila Community Center is new, the proposed Community Center is effectively replacing the existing Community Center. Therefore, the true traffic "impact" of the proposed facility is not as great as reported in this document since there will be a considerable amount of "diverted" traffic that was already using the existing Community Center in Tukwila and thus is not "new" to the transportation system. FUTURE TRAFFIC VOLUMES /OPERATIONAL ANALYSIS Figure 8 was added to Figure 4 to show the total weekday p.m. peak hour traffic volumes at the two study area intersections and as shown in Figure 9. Table 5 shows the intersection level of service for predicted 1995 weekday p.m. peak hour traffic conditions with the proposed Tukwila Community Center in operation. Table 5 Future 1995 Intersection Level of Service with Site Intersection (control type) Delay (sec/veh) Volume/ Capacity Level of Service Interurban Ave /42nd Ave So. (signal) 18.2 0.59 C 42nd Ave So. /So. 124th St (all-way stop) * 1.46 F 42nd Ave. So. /So. 124th St. (signal) 7.7 0.46 B * - Meaningless when V/C greater than 1.2. As shown in Table 5, both study area intersections are predicted to operate at acceptable levels of service with the proposed site signalization of 42nd Ave. S. /S. 124th St. intersection. Kittelson & Associates, Inc. 17 Traffic Impact Analysis ESTIMATED TRIP DISTRIBUTION WEEKDAY P.M. PEAK HOUR TUKWILA COMMUNITY CENTER TUKWILA, WASHINGTON FIGURE 7 NW, M. NOVEMBER 1994 1376F007 i T W z N O NORTH (NOT TO SCALE) or 18 S. 124TH ST ACROSS THE STEEL HILL BRIDGE �F; / ei• so IPA ` ` 41/ 130TH 180} -► Q Li 0 z N LEGEND - TWO WAY DAILY SITE GENERATED VOLUME TOTAL SITE GENERATED TRAFFIC DAILY AND WEEKDAY P.M. PEAK HOUR TUKWILA COMMUNITY CENTER TUKWILA, WASHINGTON FIGURE 8 1p/ IN NOVEMBER 1994 1376F008 O M M , 3 J c84 / 1 I pn co N CO O z (Ai z C1 / M M N 1�► e N S. 124T4 . S 23 253 NORTH (NOT TO SCALE) 335 —► ■ 265 11� c 18 F.W"/ ryvfir 4414111114747* ' OgFFN .� 810i .• �R sO p PO ■ F� N -9 LEGEND a - TWO WAY AVERAGE WEEKDAY DAILY TRAFFIC 1995 TOTAL TRAFFIC VOLUMES WITH SITE - DAILY AND WEEKDAY P.M. PEAK HOUR TUKWILA COMMUNITY CENTER. TUKWILA, WASHINGTON FIGURE 9 ■�/ NOVEMBER 1994 1376F009 November 1994 Tukwila Community Center SIGNAL WARRANT EVALUATION The Manual on Uniform Traffic Control Devices (MUTCD) published by the Federal Highway Administration was used to evaluate the need for a traffic signal. The following 11 warrants are published in the MUTCD: Warrant 1 - Minimum vehicular volume Warrant 2 - Interruption of continuous flow Warrant 3 - Minimum pedestrian volume Warrant 4 - School crossings Warrant 5 - Progressive movement Warrant 6 - Accident experience Warrant 7 - Systems warrant Warrant 8 - Combination of warrants Warrant 9 - Four hour volumes Warrant 10 - Peak hour delay Warrant 11 - Peak hour volume As described in the MUTCD, "( t)raffic control signals should not be installed unless one or more of the signal warrants in this Manual are met...The engineering study should indicate the installation of a traffic signal will improve the overall safety and/or operation of the intersection." The advanced engineering data required for a traffic signal warrant investigation includes; traffic volume information, traffic operational data, and traffic accident data. Table 6 shows the results of the traffic signal warrant analysis for existing conditions based on 24 hour traffic counts provided by the City of Tukwila. It is important to note that the traffic volumes shown in Table 6 are higher for the peak hour than those manually counted in September 1994 by Traffic Count Consultants. Thus, to ensure a conservative analysis for signal warrants, the City of Tukwila traffic volume information was utilized. Warrant 1 the minimum vehicular volume warrant is satisfied when for each of 8 hours of a day the traffic volumes as shown in Table 6 exist on both the minor and major street approach. Although the intersection of 42nd/124th is a traditional "T" type intersection, the predominant movement is from north to east and east to south. Thus, to properly assess the intersection operations and signal warrants, the major street was assumed to be the combination of the northbound approach on 42nd and the westbound approach on 124th. The minor street was assumed to be the southbound approach on 42nd Avenue. Warrant 1 Kittelson & Associates, Inc. - - 21 Traffic Impact Analysis November 1994 Tukwila Community Center Table 6 Signal Warrant Analysis' Kittelson & Associates, Inc. 22 Traffic Impact Analysis Volume Warrant Number Met (Yes or No) Major Minor Major Minor 500 150 750 75 Hour Ending Major Street Minor Street 1 2 9 11 1 104 9 No No 2 54 4 No No 3 26 3 No No 4 36 1 No No 5 62 5 No No 6 204 22 No No 7 442 43 No No 8 569 65 No No 9 530 63 No No 10 448 69 No No 11 472 58 No No 12 503 70 No No 13 565 83 No No 14 589 96 No No 15 665 130 No No Yes 16 937 300 Yes Yes Yes Yes 17 847 233 Yes Yes Yes 18 739 191 Yes No Yes 19 602 91 No No 20 455 55 No No 21 301 44 No No 22 261 27 No No Kittelson & Associates, Inc. 22 Traffic Impact Analysis November 1994 Tukwila Community Center Hour Ending Volume Warrant Number Met (Yes or No) Major Minor Major Minor 500 150 750 75 Major Street Minor Street 1 2 9 11 23 207 10 No No 24 162 18 No No 'Traffic Volume Source - City of Tukwila applies where the volume on the minor street is the principal reason for signal installation. Warrant 2 the interruption of continuous traffic volume warrant is also satisfied when for each of 8 hours of a day the traffic volumes as shown in Table 6 exist on both the minor and major street approach. Warrant 2 is applicable for situations where traffic volumes on the major street are so high that minor street traffic has little opportunity to enter the major street. Warrant 9 is satisfied when for each of any four hours of a day the vehicles per hour on the major street and minor street fall above graph curves shown in the MUTCD. Warrant 11 is the peak hour volume warrant and is similar to Warrant 9 in that it is satisfied when the requirements shown in the graphs are met or exceeded. Warrant 3 is the pedestrian volume warrant and is satisfied where on a major street or mid - block location, 100 or more pedestrians for each of any four hours or 190 or more pedestrians during and one hour desire to cross the intersection. The pedestrian warrant also states that there must be less than 60 gaps per hour of adequate length for the pedestrian in the traffic stream for the requirement to be met. Both existing and predicted future pedestrian volumes at the intersection do not satisfy warrant 3. Warrant 8 is the combination of warrants which states that signals may be justified where no single warrant is satisfied but where Warrants 1 and 2 are satisfied to the extent of 80 percent or more of the required volumes. For this application Warrant 8 is not met as the volumes for Warrants 1 and 2 are not 80 percent met. Warrant 10 is the peak hour delay warrant and applies where minor street traffic suffers undue delay in entering or crossing the major street. Kittelson & Associates, Inc. 23 Traffic Impact Analysis November 1994 Tukwila Community Center The Manual on Uniform Traffic Control Devices (MUTCD) recommends that a collision diagram showing accident experience by type, location, direction of movement, severity, time of day, date, and day of week for at least one year be analyzed for the purposes of determining the need for a traffic signal. Warrant 6 is satisfied when five or more accidents are reported within a 12 month period that are susceptible to correction by traffic signal control. As mentioned in the traffic safety section of this report, there has been a total of,3 reported accidents over the past 36 months thus Warrant 6 is not satisfied. As seen in Table 6, only Signal Warrants 9 and 11 are met for projected 1995 total traffic conditions at the 42nd Avenue South/South 124th Street intersection. Based on the following key points, it is concluded that a traffic signal should be installed at the 42nd Avenue South/South 124th Street intersection: 1. The signal warrant analysis suggests that a traffic signal is marginally warranted at the intersection based on the existing and projected demand at the intersection. 2. A traffic signal would offer a significant increase in the capacity of the intersection to accommodate future travel demands in the area from both passenger cars and existing and potential industrial users. 3. The less costly mitigation as shown in Figure 5 is not feasible, and as such any capacity enhancements would be difficult if not impossible to implement due to existing land use constraints Therefore, it is recommended that a traffic signal be installed at the 42nd Avenue South/South 124th Street intersection. If a traffic signal were to be installed at the intersection of 42nd/124th Street, the proportionate fair share of the cost of the signal attributed to the Community Center needs to be determined. To determine the fair share cost, the anticipated site generated traffic was compared to the existing background traffic volumes at the intersection of 42nd Avenue/124th Street. Table 7 shows the results of the "fair share" analysis. Kittelson & Associates, Inc. 24 Traffic Impact Analysis November 1994 Tukwila Community Center Table 7 Proportionate Intersection Traffic As shown in Table 7, the proposed Tequila Community Center contributes approximately 4 percent to the overall intersection peak hour traffic volumes. Thus, based on the anticipated site generated traffic, it is concluded that the Tukwila Community Center should contribute approximately 4 percent to the overall signal installation cost at the intersection of 42nd Ave. S. /S. 124th St. It is important to note that Tukwila Community Center is proposing two main points of access; one on 42nd Avenue South, and one on South 124th Street. By virtue of the multiple access drives, the Community Center has little impact on the intersection of 42nd Avenue South/South 124th Street and thus does not in and of itself trigger the need for a traffic signal at the intersection. ALTERNATIVE MODE TRAVEL TO THE SITE Pedestrian and bicycle facilities are poor along south 124th Street in the vicinity of the site. The Allentown neighborhood does not have sidewalks and as such the only pedestrian facilities in the vicinity of the site is on 42nd Avenue South, north of South 124th Street. A four foot wide separated sidewalk is on the east side of 42nd Avenue South. South of South 124th Street on 42nd Avenue South, a six foot wide shoulder exists only on the east side of the street for bikes and pedestrians from 124th Street to the Green River Bridge. There is no shoulder on the west side of 42nd Avenue South from the Green River Bride to South 124th Street. Thus, in the vicinity of the proposed site, bicycle and pedestrian facilities are poor to average. The proposed site plan includes many elements which accommodate and promote access to the Center by pedestrians and bicyclists. The existing Metro transit stop is ideally located to provide direct access to the proposed Community Center. The proposed Community Center is located approximately 700 feet from the Duwamish/Green River Trail along 42nd Avenue Kittelson & Associates, Inc. 25 Traffic Impact Analysis Peak Hour Volume Fair Share ( %) Background (Existing) Traffic 700 96% Tukwila Community Center Generated Traffic 28 4% Total 728 100% As shown in Table 7, the proposed Tequila Community Center contributes approximately 4 percent to the overall intersection peak hour traffic volumes. Thus, based on the anticipated site generated traffic, it is concluded that the Tukwila Community Center should contribute approximately 4 percent to the overall signal installation cost at the intersection of 42nd Ave. S. /S. 124th St. It is important to note that Tukwila Community Center is proposing two main points of access; one on 42nd Avenue South, and one on South 124th Street. By virtue of the multiple access drives, the Community Center has little impact on the intersection of 42nd Avenue South/South 124th Street and thus does not in and of itself trigger the need for a traffic signal at the intersection. ALTERNATIVE MODE TRAVEL TO THE SITE Pedestrian and bicycle facilities are poor along south 124th Street in the vicinity of the site. The Allentown neighborhood does not have sidewalks and as such the only pedestrian facilities in the vicinity of the site is on 42nd Avenue South, north of South 124th Street. A four foot wide separated sidewalk is on the east side of 42nd Avenue South. South of South 124th Street on 42nd Avenue South, a six foot wide shoulder exists only on the east side of the street for bikes and pedestrians from 124th Street to the Green River Bridge. There is no shoulder on the west side of 42nd Avenue South from the Green River Bride to South 124th Street. Thus, in the vicinity of the proposed site, bicycle and pedestrian facilities are poor to average. The proposed site plan includes many elements which accommodate and promote access to the Center by pedestrians and bicyclists. The existing Metro transit stop is ideally located to provide direct access to the proposed Community Center. The proposed Community Center is located approximately 700 feet from the Duwamish/Green River Trail along 42nd Avenue Kittelson & Associates, Inc. 25 Traffic Impact Analysis November 1994 Tukwila Community Center South. However, it is important to note that despite the proposed Community Center's proximity to the Duwamish/Green River Trail, the lack of a good direct connection to the trail, narrow sidewalk on only one side the Green River Bridge, and no separate pedestrian facility on 42nd Avenue South from the bridge to South 124th Street makes the Community Center only fair to poor in terms of its location and attractiveness to pedestrians and bicyclists on the Duwamish/Green River Trail. Although no specific forecasts can be identified for those pedestrians and bicyclists on the Duwamish/Green River Trail that will divert to the proposed Community Center, it can be assumed that without improvements to the Green River Bridge and 42nd Avenue South, the numbers of pedestrians and bicyclists will likely be less than 40 to 50 bicyclists and 40 to 50 pedestrians on a weekday daily basis. Table 8 shows the typical capture radius for bicycles and pedestrians. The information in Table 8 is taken from information provided in a Bicycle Planning and Facility Workshop handbook prepared by The Traffic Institute at Northwestern University in Evanston, Illinois. Table 8 Service Area for 10 Minute Travel Time Mode Speed Capture Radius Area Bicycle 12 mph 2 miles 12.6 square miles Pedestrian 3 mph 0.5 miles 0.8 square miles The typical trip length for a recreational destination type bicycle trip is 1/4 to 2 miles. Thus, given a 2 mile trip the captive audience for the proposed Tukwila Community Center is not relatively large given that the only major neighborhood in the vicinity of the Allentown neighborhood. The pedestrian capture radius takes in approximately the Allentown neighborhood north and east of the proposed site. Based on review of the Allentown neighborhood, it is estimated that there exist approximately 225 homes in the capture radius of the proposed Tukwila Community Center. The pedestrian volume warrant states that for a pedestrian actuated signal to be warranted, "the pedestrian volumes crossing the major street at an intersection or mid -block location during an average day is: 100 or more for each of any four hours;or 190 or more during any one hour ". Also, the warrant states that, "in addition to a minimum pedestrian volumes ... there shall be less that 60 gaps per hour in the traffic stream of adequate length for pedestrians to cross during the same period when the pedestrian volume criterion is satisfied ". Based on review of the capture audience for pedestrians (225 homes) Kittelson & Associates, Inc. 26 Traffic Impact Analysis November 1994 Tukwila Community Center and the pedestrian signal warrants, it is concluded that the estimated volume of pedestrians (40 to 50) to the proposed community center is not enough to warrant a pedestrian traffic signal on either 124th Street or 42nd Avenue. Based on review the existing facilities for pedestrians and bicycles in the vicinity of the proposed site, and review of the estimated trip generation to the proposed site for alternative modes (bikes, peds), it is recommended that no significant roadway improvements be made as a direct result of the Community Center. However, it is recommended that a sidewalk be installed on the site frontage on both 124th Street and 42nd Avenue, and it is further recommended that the sidewalk be extended from the site frontage on 42nd Avenue to the Green River Bridge to facilitate safe and efficient bicycle and pedestrian access to the Duwamish/Green River Trail. Kittelson & Associates, Inc. -27 Traffic Impact Analysis November 1994 Tukwila Community Center FINDINGS AND RECOMMENDATIONS The results of the traffic impact analysis indicate that the proposed Tukwila Community Center can be developed while acceptable levels of service and safety are maintained on the surrounding street system. The analysis resulted in the following findings and recommendations: • The intersection of 42nd Avenue South and South 124th Street intersection is currently operating at level of service "F" during weekday p.m. peak hour conditions. • To mitigate the level of service deficiency at the 42nd Avenue South/South 124th Street intersection, the intersection should be signalized. The signalization will improve peak hour traffic operations from level of service "F" to "B ". • Based on existing and site generated peak hour traffic volumes, the proposed Community Center should contribute approximately 4 percent to the overall cost of the signal installation. • At full build -out, the proposed center will generate approximately 1,940 daily weekday vehicular trips, with approximately 235 vehicular trips being generated during the weekday p.m. peak hour. • A sidewalk should be extended from the site frontage on 42nd Avenue South to the Green River Bridge to provide a better connection to the Duwamish/Green River Trail. Kittelson & Associates, Inc. 28 Findings and Recommendations November 1994 Tukwila Community Center REFERENCES 1. Transportation Research Board, Highway Capacity Manual, Special Report No. 209, 1985. 2. Institute of Transportation Engineers, Trip Generation Manual, Fifth Edition, 1991. 3. Federal Highway Administration. Manual on Uniform Traffic Control Devices (MUTCD) (1988). Kittelson & Associates, Inc. 29 References : ....� �.. Appendix A Level of Service. Concept November 1994 Tukwila Community Center APPENDIX A LEVEL OF SERVICE CONCEPT Level of Service (LOS) is a concept developed by the transportation profession to quantify the degree of comfort (including such elements as travel time, number of stops, total amount of stopped delay, and impediments caused by other vehicles) afforded to drivers as they travel through an intersection or roadway segment. As defined in the 1985 Highway Capacity Manual (Reference 1), six grades are used to denote the various LOS ranging from "A ", which indicates little, if any, vehicle delay, to "F" which indicates significant vehicle delay and traffic congestion'. SIGNALIZED INTERSECTIONS Recent research has determined that average stopped delay per vehicle is the best available measure of the LOS at a signalized intersection which are described in Table A -1. Additionally, Table A -2 identifies the relationship between level of service and average stopped delay per vehicle. Using this definition, a "D" LOS is generally considered to represent the minimum acceptable design standard for signalized intersections. For signalized intersections, LOS defines the quality of the traffic flow, but does not necessarily describe the overall design adequacy of the intersection to accommodate the traffic volumes being analyzed. As an example, a good LOS can be achieved even when the volume /capacity ratio for the intersection exceeds 1.0. Similarly, there are conditions under which a poor LOS is achieved even though the volume /capacity ratio for the intersection is well below 1.0. Therefore, all signalized intersection summary tables contained in this report provide both the calculated LOS and the calculated volume /capacity ratio for each intersection. In this way, the reader is provided with a complete description of the expected operating conditions for each signalized intersection that was analyzed. UNSIGNALIZED INTERSECTIONS The calculation of LOS at an unsignalized intersection requires a different approach. The 1985 Highway Capacity Manual includes a method for calculating the LOS at two -way stop- "'Most of the material in this appendix is adapted from the Transportation Research Board, Highway Capacity Manual, Special Report 209 (1985). Kittelson & Associates, Inc. 1 Appendix A November 1994 Tukwila Community Center controlled intersections. For these unsignalized intersections, LOS is defined differently than for signalized intersections in that it is based upon the concept of "Reserve Capacity" (i.e., that portion of available hourly capacity that is not used). A qualitative description of the various service levels associated with an unsignalized intersection is presented in Table A -3. A quantitative definition of LOS for an unsignalized intersection is presented in Table A -4. The reserve capacity concept applies only to an individual traffic movement or to shared lane movements. Once the capacity of all the individual movements has been calculated and their LOS and expected delays determined, an overall evaluation of the intersection can be made. Normally, the movement having the worst LOS defines the overall evaluation, but this may be tempered by engineering judgement. An "E" LOS is generally considered to represent the minimum acceptable design standard. Past experience with the unsignalized analysis procedure indicates this methodology is very conservative in that it tends to overestimate the magnitude of any potential problems that might exist. This is especially true for minor street left turn movements. For example, the Highway Capacity Manual methodology does not take into account the effects of vehicle flow platoons that result from upstream signalization. Vehicles traveling in platoons tend to create greater gaps in the traffic flow that sometimes provide additional capacity for the side closest to the signal. Therefore, the results of any unsignalized intersection analysis should be reviewed with this thought in mind. Generally, LOS E for the minor street left turn movement is considered to be acceptable for an unsignalized intersection although it also indicates that the need for signalization should be investigated. All LOS analyses described in this report were performed in accordance with the procedures described above. Copies of the analysis forms are contained in Appendix B . As a final note, the HCM analysis procedures are based upon . worst case conditions, the peak 15 minute period flow rate during the morning and evening peak hours was used in the evaluation of all intersection levels of service. Thus, the analysis reflects conditions that are only likely to occur for 15 minutes out of each average weekday. For the remainder of each weekday and throughout the weekends, traffic conditions within the study impact area are likely to be better than that described in this report. Kittelson & Associates, Inc. 2 Appendix A November 1994 Tukwila Community Center ALL -WAY STOP CONTROLLED INTERSECTIONS' There is not accepted procedure for a level of service analysis of an all -way stop controlled intersection. The procedure used for determining LOS for a four -way or three -way stop controlled intersection differs from that described for unsignalized intersections. This methodology, which is being reviewed y the Unsignalized Intersection Committee of the Transportation Research Board, uses a capacity estimation method based on headways observed at all -way stop controlled intersections in the western United States. The procedure incorporate several important variables, including volumes distribution, number of lanes on each approach, and the percentage of right and left turns at the intersection. Intersection performance is measured in parameters similar to signalized intersections; delay, volume -to- capacity ration, and Level of Service using a scale of "A" through "F ". Approach delay on any given leg of the intersection is calculated using the following equation: D = exp(3.8xC) Where D = vehicle delay on a given approach (sec /veh) SV = subject approach volume (vph) C = calculated approach capacity (vph) exp = base of natural logarithms In this equation, the quantity SV /C is simply the volume -to capacity ration on the approach under consideration. Table A -5 presents the LOS criteria for all-way stop controlled intersection. `2Kyte, Michael, Estimating Capacity and Delay at an All -Way Stop - Controlled Intersection. University of Idaho, Department of Civil Engineering Research Report, September 1989. Kittelson & Associates, Inc. 3 Appendix A November 1994 Tukwila Community Center Table A -1 - General Level Of Service Description For Signalized Intersections Level -of- Service Traffic Flow Characteristics A Very low average stopped delay, less than five seconds per vehicle. This occurs when progression is extremely favorable, and most vehicles arrive during the green phase. Most vehicles do not stop at all. Short cycle lengths may also contribute to low delay. B Average stop delay is in the range of 5.1 to 15.0 seconds per vehicle. This generally occurs with good progression and/or short cycle lengths. More vehicles stop than for LOS A, causing higher levels of average delay. C Average stopped delay is in the range of 15.1 to 25.0 seconds per vehicle. These higher delays may result from fair progression and/or longer cycle lengths. Individual cycle failures may begin to appear in this level. The number of vehicles stopping is significant at this level, although many still pass through the intersection without stopping. D Average stopped delays are in the range of 25.1 to 40.0 seconds per vehicle. The influence of congestion becomes more noticeable. Longer delays may result from some combination of unfavorable progression, long cycle length, or high volume /capacity ratios. Many vehicles stop, and the proportion of vehicles not stopping declines. Individual cycle failures are noticeable. E Average stopped delays are in the range of 40.1 to 60.0 seconds per vehicle. This is considered to be the limit of acceptable delay. These high delay values generally indicate poor progression, long cycle lengths, and high volume/capacity ratios. Individual cycle failures are frequent occurrences. F Average stop delay is in excess of 60 seconds per vehicle. This is considered to be unacceptable to most drivers. This condition often occurs with oversaturation. It may also occur at high volume /capacity ratios below 1.00 with many individual cycle failures. Poor progression and long cycle lengths may also be major contributing causes to such high delay levels. Note: A signal cycle failure is considered to occur when one or more vehicles are forced to wait through more than one green signal indication for a particular approach. Kittelson & Associates, Inc. 4 Appendix A November 1994 Tukwila Community Center Table A -2 Table A -3 Level Of Service Criteria For Signalized Intersections Level -of- Service Stopped Delay per Vehicle (Sec) A <= 5.0 B 5.1 to 15.0 C 15.1 to 25.0 D 25.1 to 40.0 E 40.0 to 60.0 F > 60.0 Source: Transportation Research Board. Highway Capacity Manual. Special Report 209 (1985) Level of Service Criteria (All-Way Stop Controlled Intersections) Level of Service Average Delay per Vehicle to Minor Street Traffic A < 5 seconds B 5 to 10 seconds C 10 to 20 seconds D 20 to 30 seconds E 30 to 45 seconds F > 45 seconds Source: Kyte, Michael. Estimating the Capacity of an All -Way Stop - Controlled Intersection, University of Idaho. (January 1990) Kittelson & Associates, Inc. 5. Appendix A November 1994 Tukwila Community Center Table A-4 - General Level Of Service Descriptions For Unsignalized Intersections LOS General Description . A - Average delay per vehicle ranges between 0 and 10 seconds - Nearly all drivers find freedom of operation - Very seldom is there more than one vehicle in the queue B - Average delay per vehicle ranges between 10 and 20 seconds - Some drivers begin to consider the delay an inconvenience - Occasionally there is more than one vehicle in the queue C - Average delay per vehicle ranges between 20 and 30 seconds - Many times there is more than one vehicle in the queue - Most drivers feel restricted, but not objectionably so D - Average delay per vehicle ranges between 30 and 40 seconds - Often there is more than one vehicle in the queue - Drivers feel quite restricted E - Represents a condition in which the demand is near or equal to the probable maximum number of vehicles that can be accommodated by the movement - Average delay per vehicle ranges between 40 and 60 seconds - There is almost always more than one vehicle in the queue - Drivers find the delays to be approaching intolerable levels F - Forced flow - Represents an intersection failure condition that is caused by geometric and/or operational constraints external to the intersection Kittelson & Associates, Inc. 6 Appendix A November 1994 Tukwila Community Center Table A -5 Level Of Service Criteria For Unsignalized Intersections Reserve Capacity (pcph) Level of Service Expected Delay to Minor Street Traffic > 400 . A Little or no delay 300 -399 B Short traffic delays 200 -299 C Average traffic delays 100 -199 D Long traffic delays 0 -99 E Very long traffic delays * F * * When demand volume exceeds the capacity of the lane, extreme delays will be encountered with queuing which may cause severe congestion affecting other traffic movements in the intersection. This condition usually warrants improvement to the intersection. Kittelson & Associates, Inc. ? Appendix A Appendix B HCM Worksheets 1376FUT2. CMD Fri Nov 18, 1994 09 :52:18 Page 1 -1 1376FUT2.CMD Fri Nov 18, 1994 09:52:18 Page 2 -1 Tukwila Community Center - 1376 Tukwila Community Center - I376 Traffic conditions with Proposed Center (w/ fields) Traffic conditions with Proposed Center (w/ fields) Zone Trip Generation Report Trip Distribution Report Forecast for Percent Of Trips new Rate Rate Trips Trips Total i Of To Gates Subzone Amount Units In Out In Out Trips Total 1 2 3 4 1 center 100.00 Comm. Center 1.20 1.15 120 115 235 100.0 Zone 1 Subtotal 120 115 235 100.0 TOTAL I20 115 235 100.0 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson i Assoc. Zone 1 15.0 5.0 45.0 35.0 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson 6 Assoc. Kittelson t Associates, Inc. Page 1 1376FUT2.CMD Fri Nov 18, 1994 09:52:18 Page 3 -1 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 4 -1 Tukwila Community Center - 1376 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Traffic conditions with Proposed Center (w/ fields) Turning Movement Report Impact Analysis Report Level Of Service Volume Northbound Southbound Eastbound Westbound Total Type Left Thru Right Left Thru Right Left Thru Right Left Thru Right Volume 12 S42nd Av /124th Base 0 50 215 120 50 0 0 0 0 245 0 20 700 Added 0 3 8 3 3 0 0 0 0 8 0 3 28 Total 0 53 223 123 53 0 0 0 0 253 0 23 728 14 S. 124th St. /Site Access Base 0 0 0 0 0 0 0 335 0 0 265 •0 600 Added 11 0 17 0 0 0 0 0 11 18 0 0 58 Total 11 0 17 0 0 0 0 335 11 18 265 0 658 17 Interstate /S142nd .lase 25 165 150 15 230 15 10 85 15 140 125 15 990 Added 0 0 42 0 0 0 0 54 0 40 52 0 188 Total 25 165 192 15 230 15 10 139 15 180 177 15 1178 012 42nd Ave S. /Site Access Base 0 265 0 0 295 0 0 0 0 0 0 0 560 Added 0 8 88 3 8 0 0 0 0 84 0 3 194 Total 0 273 88 3 303 0 0 0 0 84 0 3 754 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson 6 Assoc. Kittelson i Associates, Inc. Intersection 1 2 S42nd Av /124th 1 4 S. 124th St. /Site Access 1 7 Interstate /S142nd 12 42nd Ave S. /Site Access Base Future Change Del/ V/ Del/ V/ in LOS Veh C LOS Veh C F OVRFL 1.456 F OVRFL 1.460 + 0.004 V/C A xxxxx 0.000 A xxxxx 0.000 + 0.000 V/C C 16.0 0.461 C 18.2 0.585 + 2.163 D/V A xxxxx 0.000 B xxxxx 0.000 + 0.000 V/C Arterial Base Future Change Trvl Avg. Trvl Avg. in Avg. Dir LOS Time Speed LOS Time Speed Speed Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson c Assoc. Page 2 I376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 5 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Computation Report 4 -Way Stop Method Base Volume Alternative Intersection 12 S42nd Av /124th Cycle (sec): Loss Time (sec): Optimal Cycle: 1 0 0 Critical Vol. /Cap. (X): Average Delay (sec /veh): Level Of Service: 1.456 OVERFLOW F Approach: North Bound South Bound Movement: L - T- R L- T- R 1 I1 Control: Stop Sign Stop Sign Rights: Include Include Lanes: 0 0 0 1 0 0 1 0 0 0 1 11 Volume Module: Base Vol: 50 215 120 50 Growth Adj: 1.0 1.00 1.00 1.00 I.00 1.0 Initial Bse: 50 215 120 50 User Adj: 1.0 I.00 1.00 1.00 1.00 1.0 PHF Adj: 1.0 1.00 1.00 1.00 1.00 1.0 :HF Volume: 50 215 120 50 Reduct Vol: 0 0 0 0 Reduced Vol: 50 215 120 50 PCE Adj: 1.0 1.00 1.00 1.00 1.00 1.0 MLF Adj: 1.0 1.00 1.00 1.00 1.00 1.0 Final Vol.: 50 215 120 50 1 I1 Saturation Flow Module: Sat /Lane: 182 182 182 515 5I5 Adjustment: 1.00 1.00 1.00 1.00 1.00 Lanes: 0.00 0.19 0.81. 0.71 0.29 Final Sat.: 0 34 148 364 151 r 11 Capacity Analysis Module: Vol /Sat: 0.00 1.46 1.46 0.33 0.33 Crit Moves: •••• •••• 1 11 Level Of Service Module: Delay /Veh: 1.0 253 252.9 3.5 Delay Adj: 1.00 1.00 1.00 1.00 AdjDel /Veh: 1.0 253 252.9 3.5 Queue: xxxx xxxx xxxxx xxxx East Bound L - T - R 11 11 Stop Sign Stop Sign Include Include O 0 0 0 0 0 0 1! 0 0 11 11 West Bound L - T - R 0 1.00 0 1.00 1.00 0 0 0 1.00 1.00 0 11 1.0 1.0 1.0 1.0 1.0 515 0 0 1.00 1.00 1.00 0.00 0.00 0.00 0 0 0 11 0.00 0.00 0.00 /1- 3.5 1.0 1.0 1.00 1.00 1.00 3.5 1.0 1.0 xxxx xxxxx xxxx O 245 0 20 1.00 1.00 1.00 1.00 O 245 0 20 1.00 1.00 1.00 1.00 1.00 1.00 1.00 I.00 O 245 0 20 O 0 0 0 O 245 0 20 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 O 245 0 20 11 O 644 644 644 1.00 1.00 1.00 1.00 0.00 0.92 0.00 0.08 O 595 0 49 ll 1 0.00 0.41 0.00 0.41 lf.. .f!! 11 I 1.0 1.0 1.00 1.00 1.0 1.0 xxxx xxxxx 4.8 1.00 4.8 xxxx 1.0 4.8 1.00 1.00 1.0 4.8 xxxx xxxxx Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson 6 Assoc. 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 6 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Computation Report 4 -Way Stop Method Future Volume Alternative Intersection 12 S42nd Av /124th Cycle (sec): Loss Time (sec): Optimal Cycle: 1 0 0 Critical Vol. /Cap. (X): Average Delay (sec /veh): Level Of Service: 1.460 OVERFLOW F Approach: North Bound Movement: L - T - R Control: Stop Sign Rights: Include Lanes: 0 0 0 1 0 Volume Module: Base Vol: Growth Adj: Initial Bse: Added Vol: Initial Fut: 0 User Adj: 1.00 PHF Adj: I.00 PHF Volume: 0 Reduct Vol: 0 Reduced Vol: 0 PCE Adj: 1.00 MLF Adj: 1.00 Final Vol.: 0 0 1.00 0 0 South Bound East Bound West Bound L - T- R L- T- R L- T- R I1 11 11 I Stop Sign Stop Sign Stop Sign Include Include Include O 1 0 0 0 0 0 0 0 0 0 0 1! 0 0 1/ 11 11 1 50 215 120 50 1.00 1.00 1.00 1.00 1.0 50 215 120 50 3 8 3 3 53 223 123 53 1.00 I.00 1.00 1.00 1.0 1.00 1.00 1.00 1.00 1.0 53 223 123 53 0 0 0 0 53 223 123 53 1.00 1.00 1.00 1.00 1.0 1.00 1.00 1.00 1.00 1.0 53 223 123 53 11 Saturation Flow Module: Sat /Lane: 189 189 Adjustment: 1.00 1.00 Lanes: 0.00 0.I9 Final Sat.: 0 36 189 519 I.00 1.00 0.81 0.70 153 363 1 11 Capacity Analysis Module: Vol /Sat: 0.00 1.46 1.46 0.34 Crit Moves: •••• 1 I1 Level Of Service Module: Delay /Veh: 1.0 257 257.0 Delay Adj: 1.00 1.00 1.00 AdjDel /Veh: 1.0 257 257.0 Queue: xxxx xxxx xxxxx xxxx 519 1.00 0.30 156 3.6 1.00 3.6 11 1.0 I.0 1.0 1.0 1.0 0 1.00 1.0 0 0 0 1.00 1.0 1.00 1.0 0 0 0 1.00 1.0 1.00 1.0 0 519 0 1.00 1.00 0.00 0.00 0 0 11 0.34 0.00 0.00 11 0 1.00 0.00 0 3.6 I.0 1.0 1.00 1.00 1.00 3.6 1.0 1.0 xxxx xxxxx xxxx 245 1.00 245 8 253 1.00 1.00 253 0 253 1.00 1.00 253 1l 0 I.00 0 0 0 1.00 1.00 0 0 0 1.00 1.00 0 20 1.00 20 3 23 1.00 1.00 23 0 23 1.00 1.00 23 0 646 646 646 1.00 1.00 1.00 1.00 0.00 0.92 0.00 0.08 0 592 0 54 11 0.00 0.00 0.43 0.00 0.43 !!.f .1f! 11 1.0 1.0 5.1 1.00 1.00 1.00 1.0 1.0 5.1 xxxx xxxxx xxxx 1.0 1.00 1.0 xxxx 5.1 1.00 5.1 xxxxx 1 Traffix System Version 6.6 (c) I992 DA Licensed to Kittelson 6 Assoc. Kittelson i Associates, Inc. Page 3 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 7 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Computation Report 1985 HCM Unsignalized Method • Base Volume Alternative Intersection 14 S. 124th St. /Site Access Level Of Service: A Approach: North Bound South Bound East Bound West Bound Movement: L- T- R L- T- R L- T- R L- T - R 1 11 11 11 1 Control: Stop Sign Stop Sign Uncontrolled Uncontrolled Rights: Include Include Include Include Lanes: 0 0 I1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 --1- - -11 11 1! 1 Volume Module: Base Vol: 0 0 0 0 0 0 0 335 0 0 265 0 Growth Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Initial Bse: 0 0 0 0 0 0 0 335 0 0 265 0 User Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Volume: 0 0 0 0 0 0 0 335 0 0 265 0 Reduct Vol: 0 0 0 0 0 0 0 0 0 0 0 0 Final Vol.: 0 0 0 0 0 0 0 335 0 0 265 0 1 11 11 1! 1 Adjusted Volume Module: Grade: 01 0t 01 01 I Cycle /Cars: xxxx xxxx xxxx xxxx 0.00 0.92 0.00 0.92 It Truck /Comb: xxxx xxxx xxxx xxxx 0.06 0.02 0.06 0.02 PCE Adj: 1.10 1.10 1.10 1.10 1.10 1.10 xxxx 1.00 1.00 xxxx 1.00 1.00 :Tel/Car PCE: xxxx xxxx xxxx xxxx 0.50 1.00 0.50 1.00 Trck /Cmb PCE: xxxx xxxx xxxx xxxx 1.50 2.00 1.50 2.00 Adj Vol.: 0 0 0 0 0 0 0 335 0 0 265 0 1 -- 11 °11 11 1 Critical Gap Module: » Population: 10000000 c< » Run Speed(E /W): 30 MPH c< RT Rad /Ang: 20.0 ft /90.0 deg 20.0 ft /90.0 deg 20.0 ft /90.0 deg 20.0 ft /90.0 deg Critical Gp: 6.0 5.5 5.0 6.0 5.5 5.0 4.5 xxxx xxxxx 4.5 xxxx xxxxx 1 11 11 1! 1 Capacity Module: Cnflict Vol: 600 600 335 600 600 265 265 xxxx xxxxx 335 xxxx xxxxx Potent Cap.: 475 550 859 475 550 925 1000 xxxx xxxxx 962 xxxx xxxxx 1 Used Cap.: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 xxxx xxxxx 0.0 xxxx xxxxx Impedance: xxxx 1.00 1.00 xxxx 1.00 1.00 1.00 xxxx xxxxx 1.00 xxxx xxxxx Actual Cap.: 475 550 859 475 550 925 1000 xxxx xxxxx 962 xxxx xxxxx ---- - - - - -1 - -11 11 11 I Level Of Service Module: Unused Cap.: 475 550 859 475 550 925 1000 xxxx xxxxx 962 xxxx xxxxx LOS by Move: • • • • • • * • • • • • Movement: LT - LTR - RT LT - LTR - RT LT - LTR - RT LT - LTR - RT Shared Cap.: xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx Unused Cap.: xxxx 0 xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx Shared LOS: • •• g • • • • * • • • • Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson 6 Assoc. 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 8 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Computation Report 1985 IICM Unsignalized Method Future Volume Alternative Intersection 04 S. 124th SC. /Site Access Level Of Service: A Approach: Movement: North Bound South Bound East Bound West Bound L- T- R L- T- R L- T- R L- T- R 1 1! 1! 11 1 Control: Stop Sign Rights: Include Lanes: 0 0 1! 0 0 1 11 Volume Module: Base Vol: 0 0 0 0 Growth Adj: 1.00 1.00 1.00 1.00 1.0 Initial Bse: 0 0 0 0 Added Vol: 11 0 17 0 Initial Fut: 11 0 17 0 User Adj: 1.00 1.00 1.00 1.00 1.0 PHF Adj: 1.00 1.00 1.00 1.00 1.0 PNF Volume: 11 0 17 0 Reduct Vol: 0 0 0 0 Final Vol.: 11 0 17 0 Adjusted Volume Module: Stop Sign Uncontrolled Uncontrolled Include Include Include 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 11 11 1 1.0 1.0 1.0 O 335 0 0 265 0 1.00 1.00 1.00 1.00 1.00 1.00 O 335 0 0 265 0 O 0 11 18 0 0 O 335 11 18 265 0 1.00 1.00 1.00 1.00 I.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 O 335 11 I8 265 0 O 0 0 0 0 0 O 335 11 18 265 0 Grade: OS 01 01 01 1 Cycle /Cars: xxxx .xxxx xxxx xxxx 0.00 0.92 0.00 0.92 1 Truck /Comb: xxxx xxxx xxxx xxxx 0.06 0.02 0.06 0.02 PCE Adj: 1.10 1.10 1.10 1.10 1.10 1.10 xxxx 1.00 1.00 xxxx 1.00 1.00 Cycl /Car PCE: xxxx xxxx xxxx xxxx 0.50 1.00 0.50 1.00 Trck /Cmb PCE: xxxx xxxx xxxx xxxx 1.50 2.00 1.50 2.00 Adj Vol.: 12 0 19 0 0 0 0 335 11 19 265 0 Critical Gap Module: » Population: 10000000 c< » Run Speed(E/W): 30 MPH c< RT Rad /Ang: 20.0 ft /90.0 deg 20.0 ft /90.0 deg 20.0 ft /90.0 deg 20.0 ft /90.0 deg Critical Gp: 6.0 5.5 5.0 6.0 5.5 5.0 4.5 xxxx xxxxx 4.5 xxxx xxxxx 1 11 11 11 1 Capacity Module: Cnflict Vol: 624 624 341 647 629 265 265 xxxx xxxxx 346 xxxx xxxxx Potent Cap.: 461 536 853 447 532 925 1000 xxxx xxxxx 949 xxxx xxxxx 1 Used Cap.: 2.6 0.0 2.2 0.0 0.0 0.0 0.0 xxxx xxxxx 2.0 xxxx xxxxx Impedance: xxxx 1.00 0.99 xxxx 1.00 1.00 1.00 xxxx xxxxx 0.99 xxxx xxxxx Actual Cap.: 455 529 853 436 526 925 1000 xxxx xxxxx 949 xxxx xxxxx - -1 11 11 11 ! Level Of Service Module: Unused Cap.: 443 529 834 436 526 925 1000 xxxx xxxxx 930 xxxx xxxxx LOS by Move: • • • • • • • • • A • Movement; LT - LTR - RT LT - LTR - RT LT - LTR - RT LT - LTR - RT Shared Cap.: xxxx 637 xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx Unused Cap.: xxxx 606 xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx Shared LOS: • A • • • • • • • • • • Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson S Assoc. Kittelson i Associates, Inc. Page 4 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 ' Page 9 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Computation Report 1985 HCM Operations Method Base Volume Alternative Intersection 17 Interstate /SI42nd Cycle (sec): Loss Time (sec): Optimal Cycle: 85 Critical Vol. /Cap. (X): 12 Average Delay (sec /veh): 38 Level Of Service: 0.46I 16.0 C Approach: North Bound South Bound Movement: L - T- R L- T- R 1 11 11 Control: Protected Protected Rights: Include Include Min. Green: 0 0 0 0 0 0 Lanes: 1 0 1 0 1 1 0 0 1 0 1 11 11 Volume Module: Base Vol: 25 165 150 15 Growth Adj: 1.00 1.00 1.00 1.00 Initial Bse: 25 165 150 15 User Adj: 1.00 I.00 1.00 1.00 PHF Adj: 1.00 1.00 1.00 1.00 PHF Volume: 25 165 150 15 Reduct Vol: 0 0 0 0 Reduced Vol: 25 165 150 15 PCE Adj: 1.00 1.00 1.00 1.00 MLF Adj: 1.00 1.00 1.00 1.00 Final Vol.: 25 165 150 15 1 11 Saturation Flow Module: Sat /Lane: 1800 1800 1800 1800 Adjustment: 0.95 1.00 0.85 0.95 Lanes: 1.00 1.00 1.00 1.00 Final Sat:: 1710 1800 1530 1710 1 11 Capacity Analysis Module: East Bound West Bound L- T- R L- T- R 11 Split Phase Include 0 0 0 1 0 1 0 1 11 1 Split Phase Include 0 0 0 0 0 1! 0 0 230 15 10 85 15 140 125 15 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 230 15 10 85 15 140 125 15 1.00 1.00 1.00 1.00 1.00 I.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 230 15 10 85 15 140 125 15 0 0 0 0 0 0 0 0 230 15 10 85 15 140 125 15 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 230 15 10 85 15 140 125 15 11 11 1 1800 1800 1800 1800 1800 1800 1800 1800 0.99 0.99 0.95 1.00 0.85 0.79 0.79 0.79 0.94 0.06 1.00 1.00 1.00 0.50 0.45 0.05 1673 109 1710 1800 1530 713 637 76 11 11 I Vol /Sat: 0.01 0.09 0.10 0.01 0.14 0.14 0.01 0.05 0.01 0.20 0.20 0.20 Crit Moves: "al Green /Cycle: 0.03 0.30 0.30 0.03 Volume /Cap: 0.46 0.30 0.32 0.32 1 - - - -11 Level Of Service Module: Delay /Veh: 34.9 17.4 17.5 32.3 18.9 18.9 26.2 28.6 26.3 13.6 13.6 13.6 Delay Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 ProgAdjFctr: 1.00 0.85 0.85 1.00 0.85 0.85 1.00 0.85 0.85 0.85 0.85 0.85 AdjDel /Veh: 34.9 14.8 14.9 32.3 16.1 16.1 26.2 24.3 22.3 11.6 11.6 11.6 Queue: 1 3 3 0 5 5 0 2 0 5 5 5 **AA 10111it 0.30 0.30 0.10 0.10 0.10 0.43 0.43 0.43 0.46 0.46 0.06 0.46 0.10 0.46 0.46 0.46 11 11 1 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson 6 Assoc. 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 10 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Detailed Computation Report 1985 HCM Operations Method Base Volume Alternative Intersection 17 Interstate /S142nd Approach: North Bound South Bound Movement: L - T- R L- T- R 1 11 1) HCM Ops Adjusted Lane Utilization Module: Lanes: 1 0 1 0 1 1 0 0 1 0 Lane Group: L T R L RT RT ILnslnGrps: 1 1 1 I 1 1 1 11 11 HCM Ops Input Saturation Adj Module: Lane Width: 12 12 12 12 12 t Hev Veh: 0 0 Grade: 0% 01 Parking /Hr: No No Bus SCp /Hr: 0 0 Area Type: < < < < < < < < < < < < < < Cnft Ped /Hr: 0 0 ExclusiveRT: Include Include 1 RT Prtct: 0 0 1 11 HCM Ops f(rt) and f(1t) Adj Case Module: f(rt) Case: xxxx xxxx 2 xxxx 5 f(lt) Case: 1 xxxx xxxx 1 xxxx - - -1 11 HCM Ops Saturation Adj Module: Ln Wid Adj: 1.00 1.00 1.00 1.00 1.00 I.00 Hev Veh Adj: I.00 1.00 1.00 1.00 1.00 1.00 Grade Adj: 1.00 1.00 1.00 1.00 1.00 1.00 Parking Adj: xxxx xxxx 1.00 xxxx 1.00 1.00 Bus Stp Adj: xxxx xxxx 1.00 xxxx 1.00 1.00 Area Adj: 1.00 1.00 1.00 1.00 1.00 1.00 RT Adj: xxxx xxxx 0.85 xxxx 0.99 0.99 LT Adj: 0.95 xxxx xxxxx 0.95 xxxx xxxxx HCM Sat Adj: 0.95 1.00 0.85 0.95 0.99 0.99 Usr Sat Adj: 1.00 1.00 1.00 1.00 1.00 1.00 MLF Sat Adj: 1.00 1.00 1.00 1.00 1.00 1.00 Fnl Sat Adj: 0.95 1.00 0.85 0.95 0.99 0.99 1 11 Progresssion Adjustment Factor Module: Signal Type: <<<<<<<<<<< << Volume /Cap: 0.46 0.30 0.32 0.32 0.46 ArrivalType: 3 3 ProgAdjFctr: 1.00 0.85 0.85 1.00 0.85 East Bound West Bound L - T- R L- T- R 11 1 1 0 1 0 I 0 0 1! 0 0 L T R LTR LTR LTR 1 1 1 1 1 1 11 1 12 12 12 0 01 No 0 < other >>>>> 0 Include 0 12 12 12 12 0 01 No 0 > > > > > > > > > > 0 Include 0 11 11 5 xxxx xxxx xxxx 1 xxxx 11 1.00 1.00 1.00 1.00 1.00 1.00 xxxx xxxx xxxx xxxx 1.00 1.00 xxxx xxxx 0.95 xxxx 0.95 1.00 1.00 1.00 1.00 1.00 0.95 1.00 2 xxxx 11 1.00 1.00 1.00 1.00 1.00 1.00 0.85 xxxxx 0.85 1.00 1.00 0.85 11 11 Actuated 0.46 0.06 0.85 1.00 Traffix System Version 6.6 (c) 1992 DA 7 7 7 7 7 7 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.89 0.89 0.89 0.89 0.79 0.79 1.00 1.00 1.00 1.00 0.79 0.79 1.00 1.00 1.00 1.00 1.00 1.00 0.89 0.89 0.79 1.00 1.00 0.79 1 > > > > > > > > > > > > > 0.46 0.10 0.46 0.46 0.46 3 3 0.85 0.85 0.85 0.85 0.85 Licensed to Kittelson 6 Assoc. Kittelson L Associates, Inc. Page 5 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 11 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Computation Report . 1985 HCM Operations Method Future Volume Alternative Intersection 47 Interstate /S142nd Cycle (sec): Loss Time (sec): Optimal Cycle: 85 Critical Vol. /Cap. (X): 12 Average Delay (sec /veh): 46 Level Of Service: 0.585 18.2 C Approach: North Bound South Bound East Bound West Bound Movement: L- T- R L- T- R L- T- R L- T - R 1 11 11 11 1 Control: Protected Protected Split Phase Split Phase Rights: Include Include Include Include Min. Green: 0 0 0 0 0 0 0 0 0 0 0 0 Lanes: 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 0 12 0 0 1 it 11 11 1 Volume Module: Base Vol: 25 165 150 15 230 15 10 85 15 I40 I25 15 Growth Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Initial Bse: 25 165 150 15 230 15 10 85 15 140 125 15 Added Vol: 0 0 42 0 0 0 0 54 0 40 52 0 Initial Fut: 25 165 192 15 230 15 10 139 15 180 177 I5 User Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 PHF Volume: 25 165 192 15 230 15 10 139 15 180 177 15 Reduct Vol: 0 0 0 0 0 0 0 0 0 0 0 0 Reduced Vol: 25 165 192 15 230 15 10 139 15 180 177 15 PCE Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Final Vol.: 25 165 192 15 230 15 10 139 25 180 177 15 1 - - - -11 11 11 1 Saturation Flow Module: Sat /Lane: 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 Adjustment: 0.95 1.00 0.85 0.95 0.99 0.99 0.95 1.00 0.85 0.76 0.76 0.76 Lanes: 1.00 1.00 1.00 1.00 0.94 0.06 1.00 1.00 1.00 0.48 0.48 0.04 Final Sat.: 1710 1800 1530 1710 1673 109 1710 1800 1530 659 648 55 1 11 11 11 1 Capacity Analysis Module: Vol /Sat: 0.01 0.09 0.13 0.01 0.14 0.14 0.01 0.08 0.01 0.27 0.27 0.27 Crit Moves: 111.1111 11111.11 1.4.11' 111.4.11 Green /Cycle: 0.02 0.24 0.24 0.02 0.23 0.23 0.13 0.13 0.13 0.47 0.47 0.47 Volume /Cap: 0.59 0.38 0.52 0.52 0.59 0.59 0.04 0.59 0.07 0.59 0.59 0.59 1 11 I1 11 I Level Of Service Module: Delay /Veh: 43.6 20.6 22.2 42.4 23.5 23.5 24.5 29.0 24.6 13.7 13.7 13.7 Delay Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 ProgAdjFctr: 1.00 0.85 0.85 1.00 0.85 0.85 1.00 0.85 0.85 0.85 0.85 0.85 AdjDel /Veh: 43.6 17.6 18.9 42.4 19.9 19.9 24.5 24.7 20.9 11.6 11.6 11.6 Queue: 1 3 4 0 5 5 0 3 0 7 7 7 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson s Assoc. 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 12 -I Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Detailed Computation Report 1985 HCM Operations Method Future Volume Alternative Intersection 17 Interstate/5142nd Approach: North Bound South Bound East Bound West Bound Movement: L - T- R L - T- R L- T- R L- T- R 1 11 II 11 1 HCM Ops Adjusted Lane Utilization Module: Lanes: 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 0 11 0 0 Lane Group: L T R L RT RT L T R LTR LTR LTR ILnslnGrps: 1 1 1 I 1 1 1 1 1 1 I 1 1 11 11 11 1 HCM Ops Input Saturation Adj Module: Lane Width: 12 12 12 12 12 12 I2 12 12 12 12 12 t Hev Veh: 0 0 0 0 Grade: 01 01 01 01 Parking /Hr: No No No No Bus Stp /11r: 0 0 0 0 Area Type: < < < < < < < < < < < < < < < Other > > > > > > > > > > > > > > > Cnft Ped /Hr: 0 . 0 0 0 ExclusiveRT: Include Include Include Include t RT Prtct: 0 0 0 0 1 11 11 11 1 HCM Ops f(rt) and t(lt) Adj Case Module: f(rt) Case: xxxx xxxx 2 xxxx 5 5 xxxx xxxx 2 7 7 7 f(lt) Case: 1 xxxx xxxx 1 xxxx xxxx 1 xxxx xxxx 7 7 7 I 11 11 11 1 HCM Ops Saturation Adj Module: Ln Wid Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Rev Veh Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Grade Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Adj: xxxx xxxx 1.00 xxxx 1.00 1.00 xxxx xxxx 1.00 1.00 1.00 1.00 Bus Stp Adj: xxxx xxxx 1.00 xxxx 1.00 1.00 xxxx xxxx 1.00 1.00 1.00 1.00 Area Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 RT Adj: xxxx xxxx 0.85 xxxx 0.99 0.99 xxxx xxxx 0.85 0.89 0.89 0.89 LT Adj: 0.95 xxxx xxxxx 0.95 xxxx xxxxx 0.95 xxxx xxxxx 0.85 0.85 0.85 HCM Sat Adj: 0.95 1.00 0.85 0.95 0.99 0.99 0.95 1.00 0.85 0.76 0.76 0.76 Usr Sat Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF Sat Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Fnl Sat Adj: 0.95 1.00 0.85 0.95 0.99 0.99 0.95 1.00 0.85 0.76 0.76 0.76 1 11 11 11 1 Progresssion Adjustment Factor Module: Signal Type: <<< <<< << <<<<< Actuated >> >> > > > > >> > >> Volume /Cap: 0.59 0.38 0.52 0.52 0.59 0.59 0.'04 0.59 0.07 0.59 0.59 0.59 ArrivalType: 3 3 3 3 ProgAdjFctr: 1.00 0.85 0.85 1.00 0.85 0.85 1.00 0.85 0.85 0.85 0.85 0.85 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson s Assoc. Kittelson i Associates, Inc. Page 6 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 13 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Computation Report 1985 HCM Unsignalized Method Base Volume Alternative Intersection 012 42nd Ave S. /Site Access Level Of Service: A Approach: Movement: Control: Rights: Lanes: -I North Bound L - T - R Uncontrolled Include O 0 0 1 0 South Bound East Bound West Bound L - T- R L- T- R L- T- R 11 11 11 I Uncontrolled Stop Sign Stop Sign Include Include Include O 1 0 0 0 0 0 0 0 0 0 0 1! 0 0 11 11 11 I Volume Module: Base Vol: 0 265 0 Growth Adj: 1.00 1.00 1.00 1.0 Initial Bse: 0 265 0 User Adj: 1.00 I.00 1.00 1.0 PHF Adj: 1.00 1.00 1.00 1.0 PHF Volume: 0 265 0 Reduct Vol: 0 0 0 Final Vol.: 0 265 0 1 11 11 Adjusted Volume Module: Grade: 01 01 01 01 t Cycle /Cars: 0.00 0.92 0.00 0.92 xxxx xxxx xxxx xxxx t Truck /Comb: 0.06 0.02 0.06 0.02 xxxx xxxx xxxx xxxx PCE Adj: xxxx 1.00 1.00 xxxx 1.00 1.00 1.10 1.10 1.10 1.10 1.10 1.10 Cycl /Car PCE: 0.50 1.00 0.50 1.00 xxxx xxxx xxxx xxxx Trck /Cmb PCE: 1.50 2.00 1.50 2.00 xxxx xxxx xxxx xxxx Adj Vol.: 0 265 0 0 295 0 0 0 0 0 0 0 - -I 11 11 11 1 Critical Gap Module: » Population: 10000000 « » Run Speed(N /S): 30 MPH « RT Rad /Ang: 20.0 ft /90.0 deg 20.0 ft /90.0 deg 20.0 ft /90.0 deg 20.0 ft /90.0 deg Critical Gp: 4.5 xxxx xxxxx 4.5 xxxx xxxxx 6.0 5.5 5.0 6.0 5.5 5.0 I 11 11 11 I Capacity Module: Cnflict Vol: 295 xxxx xxxxx 265 xxxx xxxxx 560 560 295 560 560 265 Potent Cap.: 1000 xxxx xxxxx 1000 xxxx xxxxx 503 578 895 503 578 925 1 Used Cap.: 0.0 xxxx xxxxx 0.0 xxxx xxxxx 0.0 0.0 0.0 0.0 0.0 0.0 Impedance: 1.00 xxxx xxxxx 1.00 xxxx xxxxx xxxx 1.00 1.00 xxxx 1.00 1.00 Actual Cap.: 1000 xxxx xxxxx 1000 xxxx xxxxx 503 578 895 503 578 925 - -I- 11 11 11 I Level Of Service Module: Unused Cap.: 1000 xxxx xxxxx 1000 xxxx xxxxx 503 578 895 503 578 925 LOS by Move: • • • • • • • • • • • • Movement: LT - LTR - RT LT - LTR - RT LT - LTR - RT LT - LTR - RT Shared Cap.: xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx Unused Cap.: xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx 0 xxxxx Shared LOS: • • • • • • • • • • • • 295 I.00 1.0 295 1.00 1.0 1.00 1.0 295 0 295 O 0 0 1.00 1.00 1.00 1.0 O 0 0 1.00 1.00 I.00 1.0 1.00 1.00 1.00 1.0 O 0 0 O 0 0 O 0 0 11 0 0 1.00 1.00 O 0 1.00 1.00 1.00 1.00 O 0 O 0 O 0 1 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson i Assoc. 1376FUT2.CMD Fri Nov 18, 1994 09:52:20 Page 14 -1 Tukwila Community Center - 1376 Traffic conditions with Proposed Center (w/ fields) Level Of Service Computation Report 1985 ACM Unsignalized Method Future Volume Alternative Intersection 012 42nd Ave S. /Site Access Level Of Service: 8 Approach: North Bound South Bound East Bound West Bound Movement: L- T- R L- T- R L- T- R L- T- R 1 11 11 11 I Control: Uncontrolled Uncontrolled Stop Sign Stop Sign Rights: Include Include Include Include Lanes: 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1! 0 0 1 11 11 11 1 Volume Module: Base Vol: 265 0 0 295 0 0 0 0 0 Growth Adj: 1.0 1.00 1.00 I.00 1.00 1.00 1.0 I.00 1.0 1.00 1.00 1.00 Initial Bse: 265 0 0 295 0 0 0 0 0 Added Vol: 8 88 3 8 0 0 84 0 3 Initial Fut: 273 88 3 303 0 0 84 0 3 User Adj: 1.0 1.00 1.00 1.00 1.00 1.00 1.0 1.00 1.0 1.00 1.00 1.00 PHF Adj: 1.0 1.00 1.00 1.00 1.00 1.00 1.0 1.00 1.0 1.00 1.00 1.00 PHF Volume: 273 88 3 303 0 0 84 0 3 Reduct Vol: 0 0 0 0 0 0 0 0 0 Final Vol.: 273 88 3 303 0 0 84 0 3 Adjusted Volume Module: Grade: 01 Of 01 01 t Cycle /Cars: 0.00 0.92 0.00 0.92 xxxx xxxx xxxx xxxx 1 Truck /Comb: 0.06 0.02 0.06 0.02 xxxx xxxx xxxx xxxx PCE Adj: xxxx 1.00 1.00 xxxx 1.00 1.00 I.10 1.10 1.10 1.10 1.10 1.10 Cycl /Car PCE: 0.50 1.00 0.50 1.00 xxxx xxxx xxxx xxxx Trck /Cmb PCE: 1.50 2.00 1.50 2.00 xxxx xxxx xxxx xxxx Adj Vol.: 0 2/3 88 3 303 0 0 0 0 92 0 3 Critical Gap Module: » Population: 10000000 « » Run Speed(N /S): 30 MPH « RT Rad /Ang: 20.0 ft /90.0 deg 20.0 ft /90.0 deg 20.0 ft /90.0 deg 20.0 ft /90.0 deg Critical Gp: 4.5 xxxx xxxxx 4.5 xxxx xxxxx 6.0 5.5 5.0 6.0 5.5 5.0 1 11 11 11 1 Capacity Module: Cnflict Vol: 303 xxxx xxxxx 361 xxxx xxxxx 670 667 303 623 623 317 Potent Cap.: 997 xxxx xxxxx 935 xxxx xxxxx 433 508 887 461 536 875 t Used Cap.: 0.0 xxxx xxxxx 0.3 xxxx xxxxx 0.0 0.0 0.0 20.0 0.0 0.4 Impedance: 1.00 xxxx xxxxx 1.00 xxxx xxxxx xxxx 1.00 1.00 xxxx 1.00 1.00 Actual Cap.: 997 xxxx xxxxx 935 xxxx xxxxx 433 508 887 461 536 875 1 11 11 11 1 Level Of Service Module: Unused Cap.: 997 xxxx xxxxx 932 xxxx xxxxx 433 508 887 369 536 871 LOS by Move: • • • A • • • • • • • Movement: LT - LTR - RT LT - LTR - RT LT - LTR - RT LT - LTR - RT Shared Cap.: xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx 468 xxxxx Unused Cap.: xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx xxxx xxxxx xxxx 373 xxxxx Shared LOS: • • • • • • • • • • B • Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson 4 Assoc. Kittelson i Associates, Inc. Page 7 42124X.CMD Fri Nov 18, 1994 09:32 :47 Page I -1 Tukwila Community Center S. 42nd Av /124th St. Intersection I S. 42nd Av /124th St. Impact Analysis Report Level Of Service Base Del/ V/ LOS Veh C B 6.1 0.35I Future Change Del/ V/ in LOS Veh C B 6.1 0.35I t 0.000 0/V Arterial Base Future Change Trvl Avg. Trvl Avg. in Avg. Dir LOS Time Speed LOS Time Speed Speed vi 6- CoND (T DI S Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson 6 Assoc. Kittelson i Associates, Inc. 42124X.CMD Fri Nov 18, 1994 09 :32 :47 Page 2 -1 Tukwila Community Center S. 42nd Av /124th SC. Level Of Service Computation Report 1985 RCM Operations Method Base Volume Alternative Intersection II S. 42nd Av /124th St. Cycle (sec): Loss Time (sec): Optimal Cycle: 60 Critical Vol. /Cap. (X): 6 Average Delay (sec /veh): 21 Level Of Service: 0.351 6.1 B Approach: Movement: Control: Rights: Min. Green: Lanes: 0 North Bound I. - T - R ' 11 Permitted Include 0 0 0 0 0 Volume Module: Base Vol: 0 Growth Adj: 1.00 1.0 Initial Bse: 0 User Adj: 1.00 1.0 PRF Adj: 0.90 0.9 PHF Volume: 0 Reduct Vol: 0 Reduced Vol: 0 PCE Adj: 1.00 1.0 MLF Adj: 1.00 1.0 Final Vol.: 0 South Bound East Bound West Bound L - T - R L - D - R L - T - R 11 11 Permitted Permitted Include Include O 0 0 0 0 0 0 0 0 0 11 0 0 0 1 0 0 0 11 11 11 O 120 50 50 215 0 0 245 1.00 1.00 1.0 1.00 1.00 1.00 1.00 1.00 1.00 O 120 50 50 215 0 0 245 1.00 1.00 1.0 1.00 1.00 1.00 1.00 1.00 1.00 0.90 0.90 0.9 0.90 0.90 0.90 0.90 0.90 0.90 O 133 56 56 239 0 0 272 O 0 0 0 0 0 0 0 O 133 56 56 239 0 0 272 1.00 1.00 1.0 1.00 1.00 1.00 I.00 1.00 1.00 1.00 1.00 I.0 1.00 1.00 1.00 1.00 1.00 1.00 O 133 56 56 239 0 0 272 11 11 11 Permitted Include 0 0 0 0 0 0 I 0 1 Saturation Flow Module: Sat /Lane: 1800 I800 1800 1800 1800 1800 1800 1800 Adjustment: 1.00 2.00 1.00 0.84 1.00 0.84 0.89 0.89 Lanes: 0.00 0.00 0.00 0.70 0.00 0.30 0.19 0.81 Final Sat.: 0 0 0 1068 0 450 305 1302 1 11 11 Capacity Analysis Module: Vol /Sat: 0.00 0.00 0.00 0.12 0.00 0.12 0.18 0.18 Crit Moves: •••• Green /Cycle: 0.00 0.00 0.00 0.36 0.00 0.36 0.54 0.54 Volume /Cap: 0.00 0.00 0.00 0.35 0.00 0.35 0.34 0.34 1 11 11 Level Of Service Module: Delay /Veh: 0.0 0.0 0.0 11.0 0.0 1I.0 5.9 5.9 Delay Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 ProgAdjFctr: 1.00 0.85 0.85 0.85 0.85 0.85 0.85 0.85 AdjDe1 /Veh: 0.0 0.0 0.0 9.4 0.0 9.4 5.0 5.0 Queue: 0 0 0 2 0 2 3 3 20 1.00 20 1.00 0.90 22 0 22 1.00 1.00 22 1800 1800 1800 1800 1.00 1.00 0.85 0.85 0.00 0.00 0.93 0.07 0 0 1423 115 11 0.00 0.00 0.I9 0.19 •••• 0.00 0.00 0.54 0.00 0.00 0.35 11 0.0 1.00 0.85 0.0 0 0.0 I.00 1.00 0.0 0 5.9 1.00 0.85 5.1 3 0.54 0.35 5.9 1.00 0.85 5.1 3 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson s Assoc. Page 1 42124X.CMD Fri Nov 18, 1994 09:32:47 Page 3 -1 Tukwila Community Center S. 42nd Av /124th St. Level Of Service Detailed Computation Report • 1985 HCM Operations Method Base Volume Alternative Intersection II S. 42nd Av /124th St. Approach: North Bound South Bound East Bound West Bound Movement: L- T- R L - T - R L- T- R L- T- R 1 11 11 11 -1 RCM Ops Adjusted Lane Utilization Module: Lanes: 0 0 0 0 0 0 0 11 0 0 0 1 0 0 0 0 0 0 1 0 Lane Group: xxxx xxxx xxxx LTR LTR LTR LT LT xxxx xxxx RT RT ILnslnGrps: 0. 0 0 1 1 1 1 1 0 0 1 1 1 11 11 11 1 HCM Ops Input Saturation Adj Module: Lane Width: 12 12 12 12 12 12 12 12 12 12 12 12 1 Hev Veh: 0 2 8 8 Grade: 01 01 01 01 Parking /Hr: No No No No Bus Stp /Hr: 0 0 0 0 Area Type: << c< <<<<<<<<<<< Other > >> > >> >> >> >>>>> Cnft Ped /Hr: 0 0 0 0 ExclusiveRT: Include Include Include Include RT Prtct: 0 0 0 0 l 11 11 11 I HCM Ops f(rt) and f(lt) Adj Case Module: f(rt) Case: xxxx xxxx xxxx 7 xxxx 7 xxxx xxxx xxxx xxxx 7 7 f(lt) Case: xxxx xxxx xxxx 7 xxxx 7 7 7 xxxx xxxx xxxx xxxx 1 11 11 11 -1 RCM Ops Saturation Adj Module: Ln Wid Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 Hev Veh Adj: xxxx xxxx xxxxx 0.99 xxxx 0.99 0.96 0.96 xxxxx xxxx 0.96 0.96 Grade Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 Parking Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 Bus Stp Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx I.00 1.00 Area Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 RT Adj: xxxx xxxx xxxxx 0.86 xxxx 0.86 xxxx xxxx xxxxx xxxx 0.89 0.89 LT Adj: xxxx xxxx xxxxx 0.99 xxxx 0.99 0.93 0.93 xxxxx xxxx xxxx xxxxx HCM Sat Adj: 1.00 1.00 1.00 0.84 1.00 0.84 0.89 0.89 1.00 1.00 0.85 0.85 Usr Sat Adj: 1.00 1.00 1.00 1.00 1.00 1.00 I.00 1.00 1.00 1.00 1.00 1.00 MLF Sat Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Fnl Sat Adj: 1.00 1.00 1.00 0.84 1.00 0.84 0.89 0.89 1.00 1.00 0.85 0.85 -- ---- - - - -1- 11 11 11 1 Progresssion Adjustment Factor Module: Signal Type: < <<<<< << <<< << Actuated >>>>>>>>> >> >> Volume /Cap: 0.00 0.00 0.00 0.35 0.00 0.35 0.34 0.34 0.00 0.00 0.35 0.35 ArrivalType: 3 3 3 3 ProgAdjFctr: 1.00 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 1.00 0.85 0.85 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson Assoc. Kittelson G Associates, Inc. Page 2 42124F.CMD Fri Nov 18, I994 09:36:54 Page 1 -1 Tukwila Community Center S. 42nd Av /124th St. Future Conditions Intersection 1 S. 42nd Av /124th St. Impact Analysis Report Level Of Service Base Del/ V/ LOS Veh C B 7.7 0.456 Future Change Del/ V/ in LOS Veh C B 7.7 0.456 t 0.000 D/V Arterial Base Future Change Trvl Avg. Trvl Avg. in Avg. Dir LOS Time Speed LOS Time Speed Speed Traffix System Version 6.6 , (c) 1992 DA Licensed to Kittelson c Assoc. 42124F.CMD Fri Nov 18, 1994 09:36:54 Page 2 -1 Tukwila Community Center S. 42nd Av /124th St. Future Conditions Level Of Service Computation Report 1985 HCM Operations Method Base Volume Alternative Intersection fl S. 42nd Av /124th SC. Cycle (sec): Loss Time (sec): Optimal Cycle: 60 Critical Vol. /Cap. (X): 6 Average Delay (sec /veh): 24 Level Of Service: 0.456 7. 7 B Approach: Movement: Control: Rights: Min. Green: Lanes: North Bound South Bound East Bound West Bound L- T- R L- T- R L- T- R L- T- R II 11 11 I Permitted Permitted Permitted Permitted Include Include Include Include 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 0 0 0 1 0 0 0 0 0 0 I 0 I( I1 11 1 Volume Module: Base Vol: 0 Growth Adj: 1.00 Initial Bse: 0 User Adj: 1.00 PHF Adj: 0.90 PHF Volume: 0 Reduct Vol: 0 Reduced Vol: 0 PCE Adj: 1.00 MLF Adj: 1.00 Final Vol.: 0 O 0 223 I:00 1.00 I.00 O 0 223 1.00 1.00 1.00 0.90 0.90 0.90 O 0 248 O 0 0 O 0 248 1.00 1.00 1.00 I.00 1.00 1.00 O 0 248 1 11 Saturation Flow Module: O 53 53 1.00 1.00 1.00 O 53 53 1.00 1.00 1.00 0.90 0.90 0.90 O 59 59 O 0 0 O 59 59 1.00 1.00 1.00 1.00 1.00 1.00 O 59 59 I1 Sat /Lane: 1800 1800 1800 1800 1800 1800 1800 Adjustment: 1.00 1.00 1.00 0.81 1.00 0.81 0.87 Lanes: 0.00 0.00 0.00 0.81 0.00 0.19 0.19 Final Sat.: 0 0 0 1177 0 280 302 1 11 11 Capacity Analysis Module: Vol /Sat: 0.00 0.00 0.00 0.21 0.00 0.21 0.20 0.20 0.00 0.00 0.20 0.20 Crit Moves: •••• Green /Cycle: 0.00 0.00 0.00 0.46 0.00 0.46 0.44 Volume /Cap: 0.00 0.00 0.00 0.46 0.00 0.46 0.45 ---- - - - - -1 11 -11 Level Of Service Module: Delay /Veh: 0.0 0.0 0.0 8.7 0.0 8.7 9.3 9.3 0.0 0.0 9.4 9.4 Delay Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 I.00 1.00 ProgAdjFctr: 1.00 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 1.00 0.85 0.85 AdjDel /Veh: 0.0 0.0 0.0 7.4 0.0 7.4 7.9 7.9 0.0 0.0 8.0 8.0 Queue: 0 0 0 4 0 4 4 4 0 0 4 4 223 0 0 253 23 1.00 1.00 1.00 1.00 I.00 223 0 0 253 23 1.00 1.00 1.00 1.00 1.00 0.90 0.90 0.90 0.90 0.90 248 0 0 281 26 0 0 0 0 0 248 0 0 281 26 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 248 0 0 281 26 11 1 1800 1800 1800 1800 1800 0.87 1.00 1.00 0.85 0.85 0.81 0.00 0.00 0.92 0.08 1270 0 0 1408 130 11 0.44 0.00 0.00 0.44 0.44 0.45 0.00 0.00 0.46 0.46 11 1 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson s Assoc. Kittelson i Associates, Inc. Page 1 42124F.CMD Fri Nov 18, 1994 09:36:54 Page 3 -1 Tukwila Community Center S. 42nd Av /I24th St. Future Conditions Level Of Service Detailed Computation Report 1985 HCM Operations Method Base Volume AIternative Intersection 11 S. 42nd Av /124th St. Approach: North Bound South Bound East Bound West Bound Movement: L- T- R L - T- R L- T- R L- T- R - - 1- 11 ll II -I HCM Ops Adjusted Lane Utilization Module: Lanes: 0 0 0 0 0 0 0 11 0 0 0 1 0 0 0 0 0 0 1 0 Lane Group: xxxx xxxx xxxx LTR LTR LTR LT LT xxxx xxxx RT RT ILnslnGrps: 0 0 0 1 1 I 1 1 0 0 1 1 - -1 11 ll 11 -I HCM Ops Input Saturation Adj Module: Lane Width: 12 12 12 12 12 12 12 12 12 12 12 12 1 Hev Veh: 0 2 8 8 Grade: 01 01 01 01 Parking /Hr: No No No No Bus Stp /Hr: 0 0 0 0 Area Type: < < < <<c c < <<<< <<< Other >> >>>>>> > > >>>>> Cnft Ped /Hr: 0 0 0 0 ExclusiveRT: Include Include Include Include 1 RT Prtct: 0 0 0 0 -- I------ - - - - -- I l 11 11 I HCM Ops f(rt) and f(lt) Adj Case Module: f(rt) Case: xxxx xxxx xxxx 7 xxxx 7 xxxx xxxx xxxx xxxx 7 7 f(lt) Case: xxxx xxxx xxxx 7 xxxx 7 7 7 xxxx xxxx xxxx xxxx ---- - - - - -- I 1) )1 I 1 1 RCM Ops Saturation Adj Module: Ln Mid Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 Hev Veh Adj: xxxx xxxx xxxxx 0.99 xxxx 0.99 0.96 0.96 xxxxx xxxx 0.96 0.96 Grade Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 Parking Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 Bus Stp Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 Area Adj: xxxx xxxx xxxxx 1.00 xxxx 1.00 1.00 1.00 xxxxx xxxx 1.00 1.00 RT Adj: xxxx xxxx xxxxx 0.87 xxxx 0.87 xxxx xxxx xxxxx xxxx 0.89 0.89 LT Adj: xxxx xxxx xxxxx 0.94 xxxx 0.94 0.91 0.91 xxxxx xxxx xxxx xxxxx HCM Sat Adj: 1.00 1.00 1.00 0.8I 1.00 0.81 0.87 0.87 1.00 1.00 0.85 0.85 Usr Sat Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 MLF.Sat Adj: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Fnl Sat Adj: 1.00 1.00 1.00 0.81 1.00 0.81 0.87 0.87 1.00 1.00 0.85 0.85 ----- - -- -1- 11 11 l l l Progresssion Adjustment Factor Module: Signal Type: < << < <<<< << <<< Actuated > >> >>> >>>> > >> Volume /Cap: 0.00 0.00 0.00 0.46 0.00 0.46 0.45 0.45 0.00 0.00 0.46 0.46 ArrivalType: 3 3 3 3 ProgAdjFctr: 1.00 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 1.00 0.85 0.85 Traffix System Version 6.6 (c) 1992 DA Licensed to Kittelson c Assoc. Kittelson i Associates, Inc. Page 2