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5 - Matters from the Board, Review and Feedback on the Broadway Reconstruction Project CEAP~wl,~ ~ 2~,~ CITY OF BOULDE~ Department of Public WorksiTransportation Division PO Box 791 ' " "" 1739 Broadway ;,... Boulder, Colorado 80306 (303)441-3266 (303)441-4271 FAX MEMORANDUM TO: Pazks and Recreauon Advisory Board Members . r~ /' ,~,~/~/~~~/' ~ ~ ~ FROM: Tracy Wmfree, Acring Assis. Director of Pubhc Works for Transportation Stephany Westhusm, Achng Transportation Pro~ects Coordmator Alex May, Pro~ect Manager Noreen Walsh, Transportation Planner DATE: October 11, 2001 SUBJ: Review and Feedback on the Broadway ReconstrucUOn Pro~ect CEAP This IIem provides the Pazks and Recreation Advisory Board (PRAB) with the Commumty and Environmental Assessment Process (CEAP) document for the proposed Broadway ._ Reconstruction Pro~ect. The CEAP document (Attachment A) mcludes mformation on the pro~ect purpose and proposed improvemen[s, preLmmary plans and design drawmgs, a summary of public mput and the CEAP checklist CEAP review comments by the city's Development Review Comtmttee (DRC) and staff tesponses to those comments have been mcluded m Attachment B. Updated design sketches of the streetscape improvements are mcluded m Attachment C Updated bndge graphics will be provided at the meetmg This mformation is bemg provided to the PRAB m order to obtun the~r feedback on the proposed improvements to the facilities and azeas which the Pazks and Recreanon Department maintazns. Smce the pro~ect plannmg began, the Transportation and Pazks Department staffs have been workmg together to discuss pro~ect issues and plans to gain mput on the proposed improvements The Transportanon Drvision staff will conunue to work with Forestry and Parks Department staff on these pro~ect issues as more detailed design plans are developed BACKGROUND: Broadway (Colorado Sta[e Highway 93) is classified as a Pnncipal Artenal that runs north and south m the city of Boulder. In the azea of the pro~ect, Broadway is a 4-lane urban sect~on carrymg approximately 3Q000 vehicles per day It is one of the city's multi-modal comdors servmg automobile, pedestr~an, bicycle, and transrt modes. The Broadway Reconstructton Pro~ect ts made up of two sepaza[e mterrelated pro~ec[s roadway ~ reconstruction between Umversrty Avenue and Pine Street and reconstruct~on of the bridge over ~...~ 10/11/Ot Page 2 of 4 Boulder Creek The roadway reconstruction pro~ect abuts the bndge reconstrucuon pro~ect to the north and south. The overall pro~ect includes reconstruct~on of Broadway, replacement of the ,,,,,~ Broadway bndge over Boulder Creek with ~mprovement to the exisung grade-sepazated crossmg ~~, of Broadway at Boulder Creek, local storm draznage improvements and flood control improvements to Boulder Creek. Ttus $7 6 mill~on pro~ect ~s bemg funded w~th federal, state and localsources The putpose and need for the Broadway Reconstruchon Pro~ect is summazized as follows - The detenorated roadway pavement needs to be replaced, and recons[ructed to concrete, m order to withstand the high volume, multi-modal, urban artenal traffic on th~s roadway, and reduce the long-term hfe cycle costs of mazntazmng this roadway - The cross-section crown ~s particulazly steep due ro yeazs of overlays on the pavement surface and needs to be reconstructed and reduced for better accessibility, ~mproved dramage funct~on and a more umform cross sechon - The bridge over Boulder Creek needs to be reconstructed due to the detenoratmg sWCture cond~tion - The span of the bndge needs to be mcreased m order to better handle the flood flows associated with Boulder Creek and reduce the penod dunng which the path is now mundated, and to provide for potential future reduction of flood hazards m the azea - The mulU-use pa[h under the bridge needs to be widened to accommodate improvements necessary for better pedestnan and bike traffic flow - The multi-use path needs improved flood protection so that it can remam open dunng heavy "~ raznfall events and annual spnng runoff - Enhanced transit facilities. - Enhanced pedestnan walkways and mulu-use path - Enhanced landscape PROJECT SCHEDULE Construction is expected to begm m late Januazy 2002 Construction ~s anhcipated to take approximately 12 months, concludmg m late 2002, with some landscapmg work concludmg m the sprmg 2003. PROPOSED IMPROVEMENTS AND IMPACTS Trees - Transportahon and Forestry staffs have been worlung with the pro~ect's urban designer and landscape azctutect to idenufy tree replacement needs and additional tree plantmg opportumties. Please refer to pages 30-37 of the pro~ect plans for specific mformat~on on locations. The plans for azeas surroundmg the trees are e~ther tree grates or a tree lawn plantmg azea The city will only mstall street tree plantmgs where it recerves acceptable assurance from the ad~ommg property owners that they will ma~ntam the plantmg and the imgauon system m accordance wrth Code requuemen[s Th~s pro~ect w~ll attempt to achieve the planung designated on the plan and where assurances aze obtamed, work w~th the ad~ommg ptoperty owners [o t~e m ~rngation systems (dnp system mstalled by crty) to theu current water service taps The ^* 10/11 /01 Page 3 of 4 Broadway Pro~ect team plans to reach out to the ad~acent property owners and work with them so ., they understand and fulfill their mazntenance responsibil~ues. ~ Streetscape tmvrovements tn the Crvic Center and Downtown Mall areas - Transportahon and Pazks and Recreation Department staffs have been workmg together to ensure that the proposed Broadway Reconstruction Pro~ect improvements and the Crvic Center Master Plan proposed design concepts aze coordmated. Transportation, Busmess Improvement Distnct and Parks Department staff also met to diswss proposed landscapmg improvements and related mamtenance issues m the downtown and civ~c center areas Improvements such as a promenade, enhanced transit stop azea and a wider detached s~dewalk m front of the mumcipal buildmg are bemg proposed. None of the presen[ trees will be affected by these proposed improvements and new trees will be planted along the buildmg side of the sidewalk Addit~onally, the northbound bus stop m the Arapahoe-Canyon block is bemg proposed to be relocated to the north end of the Broadway bndge wtuch is approx~mately 235 feet to the north of its present location This new bus stop will include benches, a shelter, and bike racks on a paved area. Between Canyon Boulevard and the path that connects to the creek path, the sidewalk will remain m the same location as it is now, but will be narrowed to 10 feet to provide a lazger tree lawn ad~acent to the mature trees along Broadway. There w~ll be a total of four trees removed from Central Park The pro~ect consultant has prepazed an evaluat~on of likely environmental impac[s tn con~unction wrth Section 4(~ of the Federal Aid Highway Act of 1968 Section 4(~ reqmres that this be forwuded to Mr poug Hawthorne, Pazks Supermtendent for these pazk azeas, for his concurrence ~ Boulder Creek Underpass -The Broadway Bndge over Boulder Creek will be replaced with a "` 130 foot long smgle span bndge with a classic archmg swcture The underpass at the Broadway bndge will be improved with a 22-foot wide path (8 foot wide pedestnan path, 10 foot wide bicycle path and 4 foot buffer area [o the bndge abutments) under the bndge This replacement bndge will also improve sightlmes and sight distances as users approach the undetpass. The improved hydrauhc performance of [he bndge will mrt~gate path closure dunng high spnng run- off and other storm events. Uttkrv Relocations - In order to mazntazn telecommumcations facilities and to accommodate uhhty relocauons necessary to reconstruct the Broadway Bndge, a~omt buned utihty trench is ptoposed to cross Boulder Creek upstream of Broadway The playground azea on the south side of Boulder Creek west of the Broadway bndge will not be impacted Events/Feskvals - TransportaUOn staff has been coordmatmg with the Downtown Management Commission (DMC) and [he Pazks and Recreation Department s[affs regazdmg the 2002 events and festivals schedule. 1'he Boulder Creek underpass at Broadway w~ll remun open durmg the entire penod of construction There will be occas~ons when the underpass will have to close for a short period of time due to overhead safety concerns Detours will be set up and staff will work to ensure tha[ this dces not occur dunng festivals. ~ ~..- 10/11 /01 Page 4 of 4 PUBLIC COMMENT AND PROCESS '~ The Broadway Reconswcuon Pro~ect has held several public open house meetings and agency ~-•°~` stakeholder meetmgs to gather input on the pro~ect's plans and issues Staff has also established addiuonal hnes of commumcation with the commuruty for this project. A pro~ect webpage was created and is updated as new mformarion is produced Comments on the pro~ect can be made on the webpage and forwarded to staff for a response. The pro~ect phonelme was created and provides updated informahon and the opportumty to leave a comment or quest~on about the pro~ect In July and October newsletters were ma~led to mterested citizens and orgamzations as well as residents and property owners m the area bounded by Euclid Avenue, 9`h Street, North Street, and 17`h/20`~ Streets. This is the same maihng gtoup that has recerved the mvrtattons to the public open-house meeungs. Staff has also made pro~ect presentauons to the neighborhood associaUOns and local orgamzahons such as Downtown Boulder Inc , Histonc Boulder, PLAN Boulder, and the Boulder Employee Transportahon Coordmator network Appendix F of the CEAP document contazns all of the pubhc mput recerved to date on the Broadway Reconstructton Pro~ect. CEAP REVIEW PROCESS The CEAP document was subirutted on September 4, 2001, and has been reviewed by other crty departments through the DRC review process Please refer to Attachment B to v~ew the comments recerved through the DRC review process and the responses to those comments This pro~ect will be rev~ewed by the Greenways Advisory Committee (GAC), Downtown Design Advisory Board (DDAB) and the Landmazks Preservation Advisory Board (LPAB) for their ~r~-, feedback On November 26, 2001, the Transportation Advisory Boazd (TAB) will make a ~..- recommendation [o the City Council on the Broadway Reconstruction Pro~ect CEAP INPUT REOUESTED Staff is requestmg the Boazd's feedback on the Broadway Reconstruct~on Pro~ect CEAP and the proposed streetscape improvements. ff there aze further quest3ons or comments on this rtem, please contact Noreen W alsh at ext 4301 or Alex may at ext 3269. ATTACHMENTS A- Broadway Reconsuvction Pro~ect CEAP B- DRC review comments and responses C - Updated streetscape drawmgs ~