HomeMy WebLinkAboutItem 8.3 DubBlWidCityEntrances (2)
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CITY CLERK
File # DGJ[3][Q]-[gJ[Q)
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AGENDA STATEMENT
CITY COUNCIL MEETING DATE: November 2,1999
SUBJECT:
Review of City Entrances/Landscaping for the Dublin Boulevard
Widening Project Between Dougherty Road and Scarlett Drive,
Hacienda Drive and Tassajara Road.
Report Prepared. by: Lee S. Thompson, Public Works Director
ATTACHMENTS:
1) Location Map
2) Schematic Landscape Plans
3) Colored renderings will be presented at the meeting, as well as
a presentation by the Landscape Architect
RECOMMENDATION: Receive Staff presentation and provide direction to Staff:
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Should the pilasterllattice enhancement be included in the three
projects?
Should Staff pursue a landscape/hardscape enhancement at the
Dublin Boulevard trailhead to the Iron Horse Trail?
Defer consideration of landscaping of the remnant parcel at the
southeast corner of Dublin Boulevard and Scarlett Court, until
the City's redevelopment feasibility study is completed.
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FINANCIAL STATEMENT:
Cost oflandscaping for the Dublin Boulevard Widening project is
included within the Capital Improvement Project budget and is
being paid for by Eastern Dublin Traffic Impact Fees. The. entry
landscaping for Hacienda Drive and Tassajara Road is part of the
road construction to be performed by the developers, as a condition
of their development.
DESCRIPTION:
Dublin Boulevard Widenin~ Proiect Between Dougherty Road and Scarlett Drive:
On April 21 , 1999, the City Council approved the agreement with Brian Kangas Foulk (BKF) to provide
design services for the Dublin B oulevard widening project between DoughertyRoad and Scarlett Drive.
City Council requested that Staff bring back schematic landscape plans for Council's input and direction.
The Council has emphasized the need to enhance the project landscaping as it serves as a gateway to the
Eastern Dublin area.
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Approximately two-thirds of the roadway segment median landscaping was installed a number of years
ago with the extension of Dublin Boulevard. For the new project, Staff has worked with BKF and its sub-
consultant, Gates and Associates, inthe preparation of the schematic landscape plans. The landscaping
proposal consists pf colorful plantings in the median, pavers at the median curb edges' when wider than
six feet, and cut-outs in the pavers for trees and color when the widthis four feet or less. Sycamore trees
have been added along the street edges to continue the. street tree scheme previously established. The
trees chosen for the medians are also consistent with previously established species and placements along
Dublin Boulevard. This landscaping proposal is estimated to cost $46,600. .
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Hacienda Drive and Tassaiara Road:
The plans for both Hacienda Drive and Tassajara Road are primarily the same basic design as the Dublin
Boulevard entrance, consisting of colorful plantings in the median, pavers at the median curb edges, and
cut-outs in ,the pavers for trees and color when the width is four. feet or less. Trees will be planted 20 feet
apart along the center of the median. At TassajaraRoad,a City of Dublin granite entry sign will be
constructed in the median approximately 1,000 feet north of I -580, with pilasters at both ends of the
signage.
Not shown is the median on Hacienda Drive between 1-580 and the entrance to, Hacienda Crossings. This
was originally proposed as a location for a City entrance sign, but because of the need for additional turn
lanes into the PeopleSoft parcel, the final median design was postponed. The PeopleSoft land use has
since been downsized. Whenthe landus,e is established, the final lane 0 configuration and design of this
median will be completed.
The cost of landscaping in9luded in the . Hacienda Drive and Tassajara Road street improvements will be
paid by the developers as a condition of approval' of their projects.
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ProJ)osed GatewavFeature:
BKF proposes to incorporate pilaster and lattice elements to all three project sites. The pilasters will have
a stuccofmishand measurements of 16"x 16" x 30" high. Attached to the pilasters is a three-foot high
arched metal lattice with bronze finish. Flowering vines will be planted next to the lattices to provide
more colors in the median. The pilaster and lattice feature is proposed to be placed between the trees
alongthe median of Hacienda Drive and Tassajara Road and continuously connected along the center of
the Dublin Boulevard median for approximately 50 feet. Thispilaster/lattice element provides a pleasing
entry feature atthe City's gateways and thus gives a nice impression of the City. The cost of adding the
pilasterllattice element to the Dublin Boulevard landscaping project is $26,220. For Hacienda Drive and
Tassajara Road, th~ cost will be botl1e by the developers required to enhance the gateways at these two
locations.
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Other Potential Features:
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Dublin Boulevard/Scarlett Drive intersection is the future Iron Horse Trail crossing. At the northern side
of Dublin Boulevard at its junction with the Iron Horse Trail, a trail-head/seating area is a natural spot to
relax and would be a nice focal point along this busy street. A circular bench or series of benches would
be protected from behind by large flowering Robinia treeS. An art object or sculpture could be located in
the center of the circle. Colorful plantings and toned concrete or pavers would complete this special area.
This focal point feature would be outside the street right-of-way and would thus require the acquisition of
property from Union Pacific and/or Alameda County to build the streetscape. Excluding right-of-way
cost, this feature is estimated at an additional $37,200 and is not part of the Dublin Boulevard project, but
has been identified as a potential future corridor enhancement.
An additional feature is the landscaping of a remainder parcel left over from the original extension of
Dublin Boulevard at the southeast corner of Dublin Boulevard and Scarlett Court. The enhancement
includes the planting of flowering perennials and annuals groundcover and shrubs with tall flowering
shade trees oehind. A semi-circular pilaster/lattice fence, similar to the one described above, could be
placed behind the annuals and perennials to provide a pleasing gateway feature. The cost to landscape
this area is estimated at $28,900. This enhancementis also not part of the Dublin Boulevard project but
could be made part of the development of the area south of Dublin Boulevard in the future. This parcel
has the potential of being sold to the adjacent property owner to become part of the landscaping for that
parcel when it redevelops.
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Staff recommends that the City Council receive Staffs presentation and provide direction on the various
alternates outlined in this report.
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CENTRAL PAR<.WAY
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STREET IMPROVEMENT PLANS
FOR PORTIONS OF DUBLIN BOULEVARD
AT HACIENDA DRIVE
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SITE LOCATION MAP
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TASSAJARA ROAD ENTRY
PRELIMINARY DESIGN